fix: dockerfile syntax error

fix: forbid to browse file system index

.dockerignore

@@ -1 +1,10 @@
-.env
+.env
+config*.yml
+!config.default.yml
+*.db
+*.exe
+wakapi
+Dockerfile
+docker-compose.yml
+.dockerignore
+.git*

.env.example

@@ -1,10 +0,0 @@
-ENV=prod
-WAKAPI_DB_TYPE=sqlite3                    # mysql, postgres, sqlite3
-WAKAPI_DB_NAME=wakapi_db.db             # database name for mysql / postgres or file path for sqlite (e.g. /tmp/wakapi.db)
-WAKAPI_DB_USER=myuser                   # ignored when using sqlite
-WAKAPI_DB_PASSWORD=shhh                 # ignored when using sqlite
-WAKAPI_DB_HOST=localhost                # ignored when using sqlite
-WAKAPI_DB_PORT=3306                     # ignored when using sqlite
-WAKAPI_PASSWORD_SALT=shhh               # CHANGE !
-WAKAPI_DEFAULT_USER_NAME=admin
-WAKAPI_DEFAULT_USER_PASSWORD=admin123   # CHANGE !

.github/workflows/docker.yml

@@ -0,0 +1,42 @@
+name: Publish Docker Image
+
+on:
+  push:
+    tags:
+      - '*.*.*'
+      - '!*.*.*-*'
+
+jobs:
+  docker-publish:
+    runs-on: ubuntu-latest
+    steps:
+      # https://stackoverflow.com/questions/58177786
+      - name: Get version
+        run: echo "GIT_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build and push to Docker Hub
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: |
+            n1try/wakapi:${{ env.GIT_TAG }}
+            n1try/wakapi:latest
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache

.github/workflows/linux-build-on-release.yml

@@ -0,0 +1,50 @@
+name: Build Wakapi on Linux
+
+on:
+  push:
+    branches:
+  pull_request:
+  release:
+    types:
+      - published
+
+jobs:
+  build-and-release:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get github.com/markbates/pkger/cmd/pkger
+        go get
+        go generate
+
+    - name: Build
+      run: GO111MODULE=on go build -v .
+
+    - name: Zip executable and sample config
+      if: github.event_name == 'release'
+      run: |
+        cp config.default.yml config.yml
+        zip -9 release.zip wakapi config.yml
+
+    - name: Upload built executable to Release
+      if: github.event_name == 'release'
+      uses: actions/upload-release-asset@v1.0.2
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: release.zip
+        asset_name: wakapi_linux_amd64.zip
+        asset_content_type: application/gzip

.github/workflows/win-build-on-release.yml

@@ -0,0 +1,53 @@
+name: Build Wakapi on Windows
+
+on:
+  push:
+    branches:
+  pull_request:
+  release:
+    types:
+      - published
+
+jobs:
+  build-and-release:
+    name: Build
+    runs-on: windows-latest
+    steps:
+
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
+
+    - name: Get dependencies
+      run: |
+        go get github.com/markbates/pkger/cmd/pkger
+        go get
+        go generate
+
+    - name: Enable Go 1.11 modules
+      run: cmd /c "set GO111MODULE=on"
+
+    - name: Build
+      run: go build -v .
+
+    - name: Compress working folder
+      if: github.event_name == 'release'
+      run: |
+        cp .\config.default.yml .\config.yml
+        Compress-Archive -Path .\wakapi.exe, .\config.yml -DestinationPath release.zip
+
+    - name: Upload built executable to Release
+      if: github.event_name == 'release'
+      uses: actions/upload-release-asset@v1.0.2
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        upload_url: ${{ github.event.release.upload_url }}
+        asset_path: release.zip
+        asset_name: wakapi_win_amd64.zip
+        asset_content_type: application/gzip

.gitignore

@@ -1,8 +1,10 @@
 launch.json
 .vscode
-.env
 wakapi
 .idea
 build
 *.exe
-*.db
+*.db
+config*.yml
+!config.default.yml
+pkged.go

Dockerfile

@@ -1,52 +1,49 @@
 # Build Stage
 
-FROM golang:1.13 AS build-env
-ADD . /src
-RUN cd /src && go build -o wakapi
+FROM golang:1.15 AS build-env
+WORKDIR /src
 
+ADD ./go.mod .
+RUN go mod download && go get github.com/markbates/pkger/cmd/pkger
 
-# Final Stage
+RUN curl "https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh" -o wait-for-it.sh && \
+    chmod +x wait-for-it.sh
+
+ADD . .
+RUN go generate && go build -o wakapi
+
+WORKDIR /app
+RUN cp /src/wakapi . && \
+    cp /src/config.default.yml config.yml && \
+    sed -i 's/listen_ipv6: ::1/listen_ipv6: /g' config.yml && \
+    cp /src/wait-for-it.sh . && \
+    cp /src/entrypoint.sh .
+
+# Run Stage
 
 # When running the application using `docker run`, you can pass environment variables
-# to override config values from .env using `-e` syntax.
-# Available options are: 
-# – WAKAPI_DB_TYPE
-# – WAKAPI_DB_USER
-# – WAKAPI_DB_PASSWORD
-# – WAKAPI_DB_HOST
-# – WAKAPI_DB_PORT
-# – WAKAPI_DB_NAME
-# – WAKAPI_PASSWORD_SALT
-# – WAKAPI_DEFAULT_USER_NAME
-# – WAKAPI_DEFAULT_USER_PASSWORD
+# to override config values using `-e` syntax.
+# Available options can be found in [README.md#-configuration](README.md#-configuration)
 
 FROM debian
 WORKDIR /app
 
-ENV ENV prod
+RUN apt update && \
+    apt install -y ca-certificates
+
+ENV ENVIRONMENT prod
 ENV WAKAPI_DB_TYPE sqlite3
 ENV WAKAPI_DB_USER ''
 ENV WAKAPI_DB_PASSWORD ''
 ENV WAKAPI_DB_HOST ''
 ENV WAKAPI_DB_NAME=/data/wakapi.db
 ENV WAKAPI_PASSWORD_SALT ''
-ENV WAKAPI_DEFAULT_USER_NAME admin
-ENV WAKAPI_DEFAULT_USER_PASSWORD admin
+ENV WAKAPI_LISTEN_IPV4 '0.0.0.0'
+ENV WAKAPI_INSECURE_COOKIES 'true'
+ENV WAKAPI_ALLOW_SIGNUP 'true'
 
-COPY --from=build-env /src/wakapi /app/
-COPY --from=build-env /src/config.ini /app/
-COPY --from=build-env /src/version.txt /app/
-COPY --from=build-env /src/.env.example /app/.env
-
-RUN sed -i 's/listen = 127.0.0.1/listen = 0.0.0.0/g' /app/config.ini
-RUN sed -i 's/insecure_cookies = false/insecure_cookies = true/g' /app/config.ini
-
-ADD static /app/static
-ADD data /app/data
-ADD migrations /app/migrations
-ADD views /app/views
-ADD wait-for-it.sh .
+COPY --from=build-env /app .
 
 VOLUME /data
 
-ENTRYPOINT ./wait-for-it.sh
+ENTRYPOINT ./entrypoint.sh

README.md

@@ -1,94 +1,305 @@
-# 📈 wakapi
+<p align="center">
+  <img src="static/assets/images/logo-gh.svg" width="350">
+</p>
 
-[![](http://img.shields.io/liberapay/receives/muety.svg?logo=liberapay&style=flat-square)](https://liberapay.com/muety/)
-[![Say thanks](https://img.shields.io/badge/SayThanks.io-%E2%98%BC-1EAEDB.svg?style=flat-square)](https://saythanks.io/to/n1try)
-![](https://img.shields.io/github/license/muety/wakapi?style=flat-square)
-[![Go Report Card](https://goreportcard.com/badge/github.com/muety/wakapi?style=flat-square)](https://goreportcard.com/report/github.com/muety/wakapi)
+<p align="center">
+  <img src="https://badges.fw-web.space/github/license/muety/wakapi">
+  <a href="https://saythanks.io/to/n1try"><img src="https://badges.fw-web.space/badge/SayThanks.io-%E2%98%BC-1EAEDB.svg"></a>
+  <a href="https://liberapay.com/muety/"><img src="https://badges.fw-web.space/liberapay/receives/muety.svg?logo=liberapay"></a>
+  <img src="https://badges.fw-web.space/endpoint?url=https://wakapi.dev/api/compat/shields/v1/n1try/interval:any/project:wakapi&color=blue&label=wakapi">
+</p>
 
-[![Buy me a coffee](https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png)](https://buymeacoff.ee/n1try)
+<p align="center">
+  <a href="https://goreportcard.com/report/github.com/muety/wakapi"><img src="https://goreportcard.com/badge/github.com/muety/wakapi"></a>
+  <img src="https://badges.fw-web.space/github/languages/code-size/muety/wakapi">
+  <a href="https://sonarcloud.io/dashboard?id=muety_wakapi"><img src="https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=sqale_index"></a>
+  <a href="https://sonarcloud.io/dashboard?id=muety_wakapi"><img src="https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=ncloc"></a>
+</p>
 
----
+<h3 align="center">A minimalist, self-hosted WakaTime-compatible backend for coding statistics.</h3>
 
-**A minimalist, self-hosted WakaTime-compatible backend for coding statistics**
+<div align="center">
+  <h3>
+    <a href="https://wakapi.dev">Website</a>
+    <span> | </span>
+    <a href="#-features">Features</a>
+    <span> | </span>
+    <a href="#-how-to-use">How to use</a>
+    <span> | </span>
+    <a href="https://github.com/muety/wakapi/issues">Issues</a>
+    <span> | </span>
+    <a href="https://github.com/muety">Contact</a>
+  </h3>
+</div>
 
-![Wakapi screenshot](https://anchr.io/i/bxQ69.png)
+<p align="center">
+  <img src="static/assets/images/screenshot.png" width="500px">
+</p>
 
-If you like this project, please consider supporting it 🙂. You can donate either through [buying me a coffee](https://buymeacoff.ee/n1try) or becoming a GitHub sponor. Every little donation is highly appreciated and boosts the developers' motivation to keep improving Wakapi!
+## Table of Contents
+* [User Survey](#-user-survey)
+* [Features](#-features)
+* [Roadmap](#-roadmap)
+* [How to use](#-how-to-use)
+* [Configuration Options](#-configuration-options)
+* [API Endpoints](#-api-endpoints)
+* [Integrations](#-integrations)
+* [WakaTime Integration](#%EF%B8%8F-wakatime-integration)
+* [Best Practices](#-best-practices)
+* [Developer Notes](#-developer-notes)
+* [Support](#-support)
+* [FAQs](#-faqs)
 
-## Prerequisites
-**On the server side:**
+## 📬 **User Survey**
+I'd love to get some community feedback from active Wakapi users. If you want, please participate in the recent [user survey](https://github.com/muety/wakapi/issues/82). Thanks a lot!
+
+## 🚀 Features
+* ✅ 100 % free and open-source
+* ✅ Built by developers for developers
+* ✅ Statistics for projects, languages, editors, hosts and operating systems
+* ✅ Badges
+* ✅ REST API
+* ✅ Partially compatible with WakaTime
+* ✅ WakaTime integration
+* ✅ Support for Prometheus exports
+* ✅ Self-hosted
+
+## 🚧 Roadmap
+Plans for the near future mainly include, besides usual improvements and bug fixes, a UI redesign as well as additional types of charts and statistics (see [#101](https://github.com/muety/wakapi/issues/101), [#80](https://github.com/muety/wakapi/issues/80), [#76](https://github.com/muety/wakapi/issues/76), [#12](https://github.com/muety/wakapi/issues/12)). If you have feature requests or any kind of improvement proposals feel free to open an issue or share them in our [user survey](https://github.com/muety/wakapi/issues/82). 
+
+## ⌨️ How to use?
+There are different options for how to use Wakapi, ranging from our hosted cloud service to self-hosting it. Regardless of which option choose, you will always have to do the [client setup](#-client-setup) in addition. 
+
+### ☁️ Option 1: Use [wakapi.dev](https://wakapi.dev)
+If you want to you out free, hosted cloud service, all you need to do is create an account and the set up your client-side tooling (see below).
+
+However, we do not guarantee data persistence, so you might potentially lose your data if the service is taken down some day ❕
+
+### 🐳 Option 2: Use Docker
+```bash
+# Create a persistent volume
+$ docker volume create wakapi-data
+
+# Run the container
+$ docker run -d \
+  -p 3000:3000 \
+  -e "WAKAPI_PASSWORD_SALT=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w ${1:-32} | head -n 1)" \
+  -v wakapi-data:/data \
+  --name wakapi n1try/wakapi
+```
+
+**Note:** By default, SQLite is used as a database. To run Wakapi in Docker with MySQL or Postgres, see [Dockerfile](https://github.com/muety/wakapi/blob/master/Dockerfile) and [config.default.yml](https://github.com/muety/wakapi/blob/master/config.default.yml) for further options.
+
+### 📦 Option 3: Run a release
+```bash
+# Download the release and unpack it
+$ wget https://github.com/muety/wakapi/releases/download/1.20.2/wakapi_linux_amd64.zip
+$ unzip wakapi_linux_amd64.zip
+
+# Optionally adapt config to your needs
+$ vi config.yml
+
+# Run it
+$ ./wakapi
+```
+
+### 🧑‍💻 Option 4: Run from source
+#### Prerequisites
 * Go >= 1.13 (with `$GOPATH` properly set)
 * gcc (to compile [go-sqlite3](https://github.com/mattn/go-sqlite3))
     * Fedora / RHEL: `dnf install @development-tools`
     * Ubuntu / Debian: `apt install build-essential`
     * Windows: See [here](https://github.com/mattn/go-sqlite3/issues/214#issuecomment-253216476)
-* _Optional_: A MySQL- or Postgres database
 
-**On your local machine:**
-* [WakaTime plugin](https://wakatime.com/plugins) for your editor / IDE
+#### Compile & Run
+```bash
+# Adapt config to your needs
+$ cp config.default.yml config.yml
+$ vi config.yml
 
-## Server Setup
-### Run from source
-1. Clone the project
-1. Copy `.env.example` to `.env` and set database credentials
-1. Adapt `config.ini` to your needs
-1. Build executable: `GO111MODULE=on go build`
-1. Run server: `./wakapi`
+# Install packaging tool
+$ export GO111MODULE=on
+$ go get github.com/markbates/pkger/cmd/pkger
 
-### Run with Docker
-```
-docker run -d -p 3000:3000 --name wakapi n1try/wakapi
+# Build the executable
+$ go generate
+$ go build -o wakapi
+
+# Run it
+$ ./wakapi
 ```
 
-To get your API key, take a look into the logs `docker logs wakapi | grep "API key"`
+**Note:** By default, the application is running in dev mode. However, it is recommended to set `ENV=production` for enhanced performance and security. To still be able to log in when using production mode, you either have to run Wakapi behind a reverse proxy, that enables for HTTPS encryption (see [best practices](#best-practices)) or set `security.insecure_cookies = true` in `config.yml`.
 
-In addition, you can specify several environment variables for configuration:
-* `-e WAKAPI_DEFAULT_USER_NAME=admin`
-* `-e WAKAPI_DEFAULT_USER_PASSWORD=admin`
-
-By default, SQLite is used as a database. To run Wakapi in Docker with MySQL or Postgres, see [Dockerfile](https://github.com/muety/wakapi/blob/master/Dockerfile) and [.env.example](https://github.com/muety/wakapi/blob/master/.env.example) for further options.
-
-## Client Setup
+### 💻 Client Setup
 Wakapi relies on the open-source [WakaTime](https://github.com/wakatime/wakatime) client tools. In order to collect statistics to Wakapi, you need to set them up.
 
 1. **Set up WakaTime** for your specific IDE or editor. Please refer to the respective [plugin guide](https://wakatime.com/plugins)
-2. Make your local WakaTime client talk to Wakapi by **editing your local `~/.wakatime.cfg`** file as follows
-```
-api_url = https://your.server:someport/api/heartbeat`
-api_key = the_api_key_printed_to_the_console_after_starting_the_server`
+2. **Editing your local `~/.wakatime.cfg`** file as follows
+
+```ini
+[settings]
+
+# Your Wakapi server URL or 'https://wakapi.dev/api/heartbeat' when using the cloud server
+api_url = http://localhost:3000/api/heartbeat
+
+# Your Wakapi API key (get it from the web interface after having created an account)
+api_key = 406fe41f-6d69-4183-a4cc-121e0c524c2b
 ```
 
-## Customization
+Optionally, you can set up a [client-side proxy](docs/advanced_setup.md) in addition.
 
-### User Accounts
-* When starting wakapi for the first time, a default user _**admin**_ with password _**admin**_ is created. The corresponding API key is printed to the console.
-* Additional users, at the moment, can be added only via SQL statements on your database, like this:
-    * Connect to your database server: `mysql -u yourusername -p -H your.hostname` (alternatively use GUI tools like _MySQL Workbench_)
-    * Select your database: `USE yourdatabasename;`
-    * Add the new user: `INSERT INTO users (id, password, api_key) VALUES ('your_nickname', MD5('your_password'), '728f084c-85e0-41de-aa2a-b6cc871200c1');` (the latter value should be a random [UUIDv4](https://tools.ietf.org/html/rfc4122), as can be found in your `~/.wakatime.cfg`)
+## 🔧 Configuration Options
+You can specify configuration options either via a config file (default: `config.yml`, customziable through the `-c` argument) or via environment variables. Here is an overview of all options.
 
-### Aliases
-There is an option to add aliases for project names, editors, operating systems and languages. For instance, if you want to map two projects – `myapp-frontend` and `myapp-backend` – two a common project name – `myapp-web` – in your statistics, you can add project aliases.
+| YAML Key                  | Environment Variable      | Default      | Description                                                         |
+|---------------------------|---------------------------|--------------|---------------------------------------------------------------------|
+| `env`                       | `ENVIRONMENT`               | `dev`          | Whether to use development- or production settings                  |
+| `app.custom_languages`      | -                           | -              | Map from file endings to language names                             |
+| `server.port`               | `WAKAPI_PORT`               | `3000`         | Port to listen on                                                   |
+| `server.listen_ipv4`        | `WAKAPI_LISTEN_IPV4`        | `127.0.0.1`    | IPv4 network address to listen on (leave blank to disable IPv4)     |
+| `server.listen_ipv6`        | `WAKAPI_LISTEN_IPV6`        | `::1`          | IPv6 network address to listen on (leave blank to disable IPv6)     |
+| `server.tls_cert_path`      | `WAKAPI_TLS_CERT_PATH`      | -              | Path of SSL server certificate (leave blank to not use HTTPS)       |
+| `server.tls_key_path`       | `WAKAPI_TLS_KEY_PATH`       | -              | Path of SSL server private key (leave blank to not use HTTPS)       |
+| `server.base_path`          | `WAKAPI_BASE_PATH`          | `/`            | Web base path (change when running behind a proxy under a sub-path) |
+| `security.password_salt`    | `WAKAPI_PASSWORD_SALT`      | -              | Pepper to use for password hashing                                  |
+| `security.insecure_cookies` | `WAKAPI_INSECURE_COOKIES`   | `false`        | Whether or not to allow cookies over HTTP                           |
+| `security.cookie_max_age`   | `WAKAPI_COOKIE_MAX_AGE  `   | `172800`       | Lifetime of authentication cookies in seconds or `0` to use [Session](https://developer.mozilla.org/en-US/docs/Web/HTTP/Cookies#Define_the_lifetime_of_a_cookie) cookies |
+| `db.host`                   | `WAKAPI_DB_HOST`            | -              | Database host                                                       |
+| `db.port`                   | `WAKAPI_DB_PORT`            | -              | Database port                                                       |
+| `db.user`                   | `WAKAPI_DB_USER`            | -              | Database user                                                       |
+| `db.password`               | `WAKAPI_DB_PASSWORD`        | -              | Database password                                                   |
+| `db.name`                   | `WAKAPI_DB_NAME`            | `wakapi_db.db` | Database name                                                       |
+| `db.dialect`                | `WAKAPI_DB_TYPE`            | `sqlite3`      | Database type (one of `sqlite3`, `mysql`, `postgres`, `cockroach`)                     |
+| `db.max_conn`               | `WAKAPI_DB_MAX_CONNECTIONS` | `2`            | Maximum number of database connections                              |
+| `db.ssl`                    | `WAKAPI_DB_SSL`             | `false`        | Whether to use TLS encryption for database connection (Postgres and CockroachDB only) |
 
-At the moment, this can only be done via raw database queries. See [_User Accounts_](#user-accounts) section above on how to do such.
-For the above example, you would need to add two aliases, like this:
+### Supported databases
+Wakapi uses [GORM](https://gorm.io) as an ORM. As a consequence, a set of different relational databases is supported.
+* [SQLite](https://sqlite.org/) (_default, easy setup_)
+* [MySQL](https://hub.docker.com/_/mysql) (_recommended, because most extensively tested_)
+* [MariaDB](https://hub.docker.com/_/mariadb) (_open-source MySQL alternative_)
+* [Postgres](https://hub.docker.com/_/postgres) (_open-source as well_)
+* [CockroachDB](https://www.cockroachlabs.com/docs/stable/install-cockroachdb-linux.html) (_cloud-native, distributed, Postgres-compatible API_)
 
-* `INSERT INTO aliases (type, user_id, key, value) VALUES (0, 'your_username', 'myapp-web', 'myapp-frontend')` (analogously for `myapp-backend`)
+### Client-side proxy (`optional`)
+See the [advanced setup instructions](docs/advanced_setup.md).
 
-#### Types
-* Project ~  type **0**
-* Language ~  type **1**
-* Editor ~ type **2**
-* OS ~  type **3**
+## 🔧 API Endpoints
+See our [Swagger API Documentation](https://wakapi.dev/swagger-ui).
 
-**NOTE:** In order for the aliases to take effect for non-live statistics, you would either have to wait 24 hours for the cache to be invalidated or restart Wakapi.
+### Generating Swagger docs
+```bash
+$ go get -u github.com/swaggo/swag/cmd/swag
+$ swag init -o static/docs
+```
 
-## Best Practices
+## 🤝 Integrations
+### Prometheus Export
+If you want to export your Wakapi statistics to Prometheus to view them in a Grafana dashboard or so please refer to an excellent tool called **[wakatime_exporter](https://github.com/MacroPower/wakatime_exporter)**.
+
+[![](https://github-readme-stats.vercel.app/api/pin/?username=MacroPower&repo=wakatime_exporter&show_owner=true&bg_color=2D3748&title_color=2F855A&icon_color=2F855A&text_color=ffffff)](https://github.com/MacroPower/wakatime_exporter)
+
+It is a standalone webserver that connects to your Wakapi instance and exposes the data as Prometheus metrics. Although originally developed to scrape data from WakaTime, it will mostly for with Wakapi as well, as the APIs are partially compatible.
+
+Simply configure the exporter with `WAKA_SCRAPE_URI` to equal `"https://wakapi.your-server.com/api/compat/wakatime/v1"` and set your API key accordingly.
+
+### WakaTime Integration
+Wakapi plays well together with [WakaTime](https://wakatime.com). For one thing, you can **forward heartbeats** from Wakapi to WakaTime to effectively use both services simultaneously. In addition, there is the option to **import historic data** from WakaTime for consistency between both services. Both features can be enabled in the _Integrations_ section of your Wakapi instance's settings page.     
+
+### GitHub Readme Stats Integrations
+Wakapi also integrates with [GitHub Readme Stats](https://github.com/anuraghazra/github-readme-stats#wakatime-week-stats) to generate fancy cards for you. Here is an example.
+
+![](https://github-readme-stats.vercel.app/api/wakatime?username=n1try&api_domain=wakapi.dev&bg_color=2D3748&title_color=2F855A&icon_color=2F855A&text_color=ffffff&custom_title=Wakapi%20Week%20Stats&layout=compact)
+
+## 👍 Best Practices
 It is recommended to use wakapi behind a **reverse proxy**, like [Caddy](https://caddyserver.com) or _nginx_ to enable **TLS encryption** (HTTPS).
-However, if you want to expose your wakapi instance to the public anyway, you need to set `listen = 0.0.0.0` in `config.ini`
+However, if you want to expose your wakapi instance to the public anyway, you need to set `server.listen_ipv4` to `0.0.0.0` in `config.yml`
 
-## Important Note
-**This is not an alternative to using WakaTime.** It is just a custom, non-commercial, self-hosted application to collect coding statistics using the already existing editor plugins provided by the WakaTime community. It was created for personal use only and with the purpose of keeping the sovereignity of your own data. However, if you like the official product, **please support the authors and buy an official WakaTime subscription!**
+## 🤓 Developer Notes
+### Running tests
+```bash
+CGO_FLAGS="-g -O2 -Wno-return-local-addr" go test -json -coverprofile=coverage/coverage.out ./... -run ./...
+```
 
-## License
+## 🙏 Support
+If you like this project, please consider supporting it 🙂. You can donate either through [buying me a coffee](https://buymeacoff.ee/n1try) or becoming a GitHub sponsor. Every little donation is highly appreciated and boosts the developers' motivation to keep improving Wakapi!
+
+## ❔ FAQs
+Since Wakapi heavily relies on the concepts provided by WakaTime, [their FAQs](https://wakatime.com/faq) apply to Wakapi for large parts as well. You might find answers there.
+
+<details>
+<summary><b>What data is sent to Wakapi?</b></summary>
+
+<ul>
+  <li>File names</li>
+  <li>Project names</li>
+  <li>Editor names</li>
+  <li>You computer's host name</li>
+  <li>Timestamps for every action you take in your editor</li>
+  <li>...</li>
+</ul>
+
+See the related [WakaTime FAQ section](https://wakatime.com/faq#data-collected) for details.
+
+If you host Wakapi yourself, you have control over all your data. However, if you use our webservice and are concerned about privacy, you can also [exclude or obfuscate](https://wakatime.com/faq#exclude-paths) certain file- or project names.  
+</details>
+
+<details>
+<summary><b>What happens if I'm offline?</b></summary>
+
+All data is cached locally on your machine and sent in batches once you're online again.
+</details>
+
+<details>
+<summary><b>How did Wakapi come about?</b></summary>
+
+Wakapi was started when I was a student, who wanted to track detailed statistics about my coding time. Although I'm a big fan of WakaTime I didn't want to pay <a href="https://wakatime.com/pricing)">9 $ a month</a> back then. Luckily, most parts of WakaTime are open source!  
+</details>
+
+<details>
+<summary><b>How does Wakapi compare to WakaTime?</b></summary>
+
+Wakapi is a small subset of WakaTime and has a lot less features. Cool WakaTime features, that are missing Wakapi, include:
+
+<ul>
+  <li>Leaderboards</li>
+  <li><a href="https://wakatime.com/share/embed">Embeddable Charts</a></li>
+  <li>Personal Goals</li>
+  <li>Team- / Organization Support</li>
+  <li>Integrations (with GitLab, etc.)</li>
+  <li>Richer API</li>
+</ul>
+
+WakaTime is worth the price. However, if you only want basic statistics and keep sovereignty over your data, you might want to go with Wakapi.
+</details>
+
+<details>
+<summary><b>How are durations calculated?</b></summary>
+
+Inferring a measure for your coding time from heartbeats works a bit different than in WakaTime. While WakaTime has <a href="https://wakatime.com/faq#timeout">timeout intervals</a>, Wakapi essentially just pads every heartbeat, that occurs after a longer pause, with 2 extra minutes.
+
+Here is an example (circles are heartbeats):
+
+```
+|---o---o--------------o---o---|
+|   |10s|      3m      |10s|   |
+
+```
+
+It is unclear how to handle the three minutes in between. Did the developer do a 3-minute break or were just no heartbeats being sent, e.g. because the developer was starring at the screen find a solution, but not actually typing code.
+
+<ul>
+  <li><b>WakaTime</b> (with 5 min timeout): 3 min 20 sec
+  <li><b>WakaTime</b> (with 2 min timeout): 20 sec
+  <li><b>Wakapi:</b> 10 sec + 2 min + 10 sec = 2 min 20 sec</li>
+</ul>
+
+Wakapi adds a "padding" of two minutes before the third heartbeat. This is why total times will slightly vary between Wakapi and WakaTime.
+</details>
+
+## 🙏 Thanks
+I highly appreciate the efforts of [@alanhamlett](https://github.com/alanhamlett) and the WakaTime team and am thankful for their software being open source. 
+
+## 📓 License
 GPL-v3 @ [Ferdinand Mütsch](https://muetsch.io)

config.default.yml

@@ -0,0 +1,32 @@
+env: development
+
+server:
+  listen_ipv4: 127.0.0.1    # leave blank to disable ipv4
+  listen_ipv6: ::1          # leave blank to disable ipv6
+  tls_cert_path:            # leave blank to not use https
+  tls_key_path:             # leave blank to not use https
+  port: 3000
+  base_path: /
+
+app:
+  aggregation_time: '02:15' # time at which to run daily aggregation batch jobs
+  counting_time: '05:15'    # time at which to run daily job to count total hours tracked in the system
+  custom_languages:
+    vue: Vue
+    jsx: JSX
+
+db:
+  host:                     # leave blank when using sqlite3
+  port:                     # leave blank when using sqlite3
+  user:                     # leave blank when using sqlite3
+  password:                 # leave blank when using sqlite3
+  name: wakapi_db.db        # database name for mysql / postgres or file path for sqlite (e.g. /tmp/wakapi.db)
+  dialect: sqlite3          # mysql, postgres, sqlite3
+  max_conn: 2               # maximum number of concurrent connections to maintain
+  ssl: false                # whether to use tls for db connection (must be true for cockroachdb) (ignored for mysql and sqlite)
+
+security:
+  password_salt:            # CHANGE !
+  insecure_cookies: false
+  cookie_max_age: 172800
+  allow_signup: true

config.ini

@@ -1,14 +0,0 @@
-[server]
-listen = 127.0.0.1
-port = 3000
-base_path = /
-insecure_cookies = false
-
-[app]
-cleanup = false
-
-[database]
-max_connections = 2
-
-[languages]
-vue = Vue

config/config.go

@@ -0,0 +1,328 @@
+package config
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/gorilla/securecookie"
+	"github.com/jinzhu/configor"
+	"github.com/markbates/pkger"
+	"github.com/muety/wakapi/models"
+	migrate "github.com/rubenv/sql-migrate"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"strings"
+)
+
+const (
+	defaultConfigPath = "config.yml"
+
+	SQLDialectMysql    = "mysql"
+	SQLDialectPostgres = "postgres"
+	SQLDialectSqlite   = "sqlite3"
+
+	KeyLatestTotalTime  = "latest_total_time"
+	KeyLatestTotalUsers = "latest_total_users"
+	KeyLastImportImport = "last_import"
+)
+
+const (
+	WakatimeApiUrl               = "https://wakatime.com/api/v1"
+	WakatimeApiUserUrl           = "/users/current"
+	WakatimeApiAllTimeUrl        = "/users/current/all_time_since_today"
+	WakatimeApiHeartbeatsUrl     = "/users/current/heartbeats"
+	WakatimeApiHeartbeatsBulkUrl = "/users/current/heartbeats.bulk"
+	WakatimeApiUserAgentsUrl     = "/users/current/user_agents"
+)
+
+var cfg *Config
+var cFlag = flag.String("config", defaultConfigPath, "config file location")
+
+type appConfig struct {
+	AggregationTime  string                       `yaml:"aggregation_time" default:"02:15" env:"WAKAPI_AGGREGATION_TIME"`
+	CountingTime     string                       `yaml:"counting_time" default:"05:15" env:"WAKAPI_COUNTING_TIME"`
+	ImportBackoffMin int                          `yaml:"import_backoff_min" default:"5" env:"WAKAPI_IMPORT_BACKOFF_MIN"`
+	ImportBatchSize  int                          `yaml:"import_batch_size" default:"100" env:"WAKAPI_IMPORT_BATCH_SIZE"`
+	CustomLanguages  map[string]string            `yaml:"custom_languages"`
+	Colors           map[string]map[string]string `yaml:"-"`
+}
+
+type securityConfig struct {
+	AllowSignup bool `yaml:"allow_signup" default:"true" env:"WAKAPI_ALLOW_SIGNUP"`
+	// this is actually a pepper (https://en.wikipedia.org/wiki/Pepper_(cryptography))
+	PasswordSalt    string                     `yaml:"password_salt" default:"" env:"WAKAPI_PASSWORD_SALT"`
+	InsecureCookies bool                       `yaml:"insecure_cookies" default:"false" env:"WAKAPI_INSECURE_COOKIES"`
+	CookieMaxAgeSec int                        `yaml:"cookie_max_age" default:"172800" env:"WAKAPI_COOKIE_MAX_AGE"`
+	SecureCookie    *securecookie.SecureCookie `yaml:"-"`
+}
+
+type dbConfig struct {
+	Host     string `env:"WAKAPI_DB_HOST"`
+	Port     uint   `env:"WAKAPI_DB_PORT"`
+	User     string `env:"WAKAPI_DB_USER"`
+	Password string `env:"WAKAPI_DB_PASSWORD"`
+	Name     string `default:"wakapi_db.db" env:"WAKAPI_DB_NAME"`
+	Dialect  string `yaml:"-"`
+	Type     string `yaml:"dialect" default:"sqlite3" env:"WAKAPI_DB_TYPE"`
+	MaxConn  uint   `yaml:"max_conn" default:"2" env:"WAKAPI_DB_MAX_CONNECTIONS"`
+	Ssl      bool   `default:"false" env:"WAKAPI_DB_SSL"`
+}
+
+type serverConfig struct {
+	Port        int    `default:"3000" env:"WAKAPI_PORT"`
+	ListenIpV4  string `yaml:"listen_ipv4" default:"127.0.0.1" env:"WAKAPI_LISTEN_IPV4"`
+	ListenIpV6  string `yaml:"listen_ipv6" default:"::1" env:"WAKAPI_LISTEN_IPV6"`
+	BasePath    string `yaml:"base_path" default:"/" env:"WAKAPI_BASE_PATH"`
+	TlsCertPath string `yaml:"tls_cert_path" default:"" env:"WAKAPI_TLS_CERT_PATH"`
+	TlsKeyPath  string `yaml:"tls_key_path" default:"" env:"WAKAPI_TLS_KEY_PATH"`
+}
+
+type Config struct {
+	Env      string `default:"dev" env:"ENVIRONMENT"`
+	Version  string `yaml:"-"`
+	App      appConfig
+	Security securityConfig
+	Db       dbConfig
+	Server   serverConfig
+}
+
+func (c *Config) CreateCookie(name, value, path string) *http.Cookie {
+	return c.createCookie(name, value, path, c.Security.CookieMaxAgeSec)
+}
+
+func (c *Config) GetClearCookie(name, path string) *http.Cookie {
+	return c.createCookie(name, "", path, -1)
+}
+
+func (c *Config) createCookie(name, value, path string, maxAge int) *http.Cookie {
+	return &http.Cookie{
+		Name:     name,
+		Value:    value,
+		Path:     path,
+		MaxAge:   maxAge,
+		Secure:   !c.Security.InsecureCookies,
+		HttpOnly: true,
+		SameSite: http.SameSiteStrictMode,
+	}
+}
+
+func (c *Config) IsDev() bool {
+	return IsDev(c.Env)
+}
+
+func (c *Config) UseTLS() bool {
+	return c.Server.TlsCertPath != "" && c.Server.TlsKeyPath != ""
+}
+
+func (c *Config) GetMigrationFunc(dbDialect string) models.MigrationFunc {
+	switch dbDialect {
+	default:
+		return func(db *gorm.DB) error {
+			db.AutoMigrate(&models.User{})
+			db.AutoMigrate(&models.KeyStringValue{})
+			db.AutoMigrate(&models.Alias{})
+			db.AutoMigrate(&models.Heartbeat{})
+			db.AutoMigrate(&models.Summary{})
+			db.AutoMigrate(&models.SummaryItem{})
+			db.AutoMigrate(&models.LanguageMapping{})
+			return nil
+		}
+	}
+}
+
+func (c *Config) GetFixturesFunc(dbDialect string) models.MigrationFunc {
+	return func(db *gorm.DB) error {
+		migrations := &migrate.HttpFileSystemMigrationSource{
+			FileSystem: pkger.Dir("/migrations"),
+		}
+
+		migrate.SetIgnoreUnknown(true)
+		sqlDb, _ := db.DB()
+		n, err := migrate.Exec(sqlDb, dbDialect, migrations, migrate.Up)
+		if err != nil {
+			return err
+		}
+
+		logbuch.Info("applied %d fixtures", n)
+		return nil
+	}
+}
+
+func (c *dbConfig) GetDialector() gorm.Dialector {
+	switch c.Dialect {
+	case SQLDialectMysql:
+		return mysql.New(mysql.Config{
+			DriverName: c.Dialect,
+			DSN:        mysqlConnectionString(c),
+		})
+	case SQLDialectPostgres:
+		return postgres.New(postgres.Config{
+			DSN: postgresConnectionString(c),
+		})
+	case SQLDialectSqlite:
+		return sqlite.Open(sqliteConnectionString(c))
+	}
+	return nil
+}
+
+func mysqlConnectionString(config *dbConfig) string {
+	//location, _ := time.LoadLocation("Local")
+	return fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=true&loc=%s&sql_mode=ANSI_QUOTES",
+		config.User,
+		config.Password,
+		config.Host,
+		config.Port,
+		config.Name,
+		"Local",
+	)
+}
+
+func postgresConnectionString(config *dbConfig) string {
+	sslmode := "disable"
+	if config.Ssl {
+		sslmode = "require"
+	}
+
+	return fmt.Sprintf("host=%s port=%d user=%s dbname=%s password=%s sslmode=%s",
+		config.Host,
+		config.Port,
+		config.User,
+		config.Name,
+		config.Password,
+		sslmode,
+	)
+}
+
+func sqliteConnectionString(config *dbConfig) string {
+	return config.Name
+}
+
+func (c *appConfig) GetCustomLanguages() map[string]string {
+	return cloneStringMap(c.CustomLanguages, false)
+}
+
+func (c *appConfig) GetLanguageColors() map[string]string {
+	return cloneStringMap(c.Colors["languages"], true)
+}
+
+func (c *appConfig) GetEditorColors() map[string]string {
+	return cloneStringMap(c.Colors["editors"], true)
+}
+
+func (c *appConfig) GetOSColors() map[string]string {
+	return cloneStringMap(c.Colors["operating_systems"], true)
+}
+
+func IsDev(env string) bool {
+	return env == "dev" || env == "development"
+}
+
+func readVersion() string {
+	file, err := pkger.Open("/version.txt")
+	if err != nil {
+		logbuch.Fatal(err.Error())
+	}
+	defer file.Close()
+
+	bytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		logbuch.Fatal(err.Error())
+	}
+
+	return strings.TrimSpace(string(bytes))
+}
+
+func readColors() map[string]map[string]string {
+	// Read language colors
+	// Source:
+	// – https://raw.githubusercontent.com/ozh/github-colors/master/colors.json
+	// – https://wakatime.com/colors/operating_systems
+	// - https://wakatime.com/colors/editors
+	// Extracted from Wakatime website with XPath (see below) and did a bit of regex magic after.
+	// – $x('//span[@class="editor-icon tip"]/@data-original-title').map(e => e.nodeValue)
+	// – $x('//span[@class="editor-icon tip"]/div[1]/text()').map(e => e.nodeValue)
+	var colors = make(map[string]map[string]string)
+
+	file, err := pkger.Open("/data/colors.json")
+	if err != nil {
+		logbuch.Fatal(err.Error())
+	}
+	defer file.Close()
+	bytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		logbuch.Fatal(err.Error())
+	}
+
+	if err := json.Unmarshal(bytes, &colors); err != nil {
+		logbuch.Fatal(err.Error())
+	}
+
+	return colors
+}
+
+func mustReadConfigLocation() string {
+	if _, err := os.Stat(*cFlag); err != nil {
+		logbuch.Fatal("failed to find config file at '%s'", *cFlag)
+	}
+	return *cFlag
+}
+
+func resolveDbDialect(dbType string) string {
+	if dbType == "cockroach" {
+		return "postgres"
+	}
+	return dbType
+}
+
+func Set(config *Config) {
+	cfg = config
+}
+
+func Get() *Config {
+	return cfg
+}
+
+func Load() *Config {
+	config := &Config{}
+
+	flag.Parse()
+
+	if err := configor.New(&configor.Config{}).Load(config, mustReadConfigLocation()); err != nil {
+		logbuch.Fatal("failed to read config: %v", err)
+	}
+
+	config.Version = readVersion()
+	config.App.Colors = readColors()
+	config.Db.Dialect = resolveDbDialect(config.Db.Type)
+	config.Security.SecureCookie = securecookie.New(
+		securecookie.GenerateRandomKey(64),
+		securecookie.GenerateRandomKey(32),
+	)
+
+	if strings.HasSuffix(config.Server.BasePath, "/") {
+		config.Server.BasePath = config.Server.BasePath[:len(config.Server.BasePath)-1]
+	}
+
+	for k, v := range config.App.CustomLanguages {
+		if v == "" {
+			config.App.CustomLanguages[k] = "unknown"
+		}
+	}
+
+	if config.Server.ListenIpV4 == "" && config.Server.ListenIpV6 == "" {
+		logbuch.Fatal("either of listen_ipv4 or listen_ipv6 must be set")
+	}
+
+	if config.Db.MaxConn <= 0 {
+		logbuch.Fatal("you must allow at least one database connection")
+	}
+
+	Set(config)
+	return Get()
+}

config/config_test.go

@@ -0,0 +1,66 @@
+package config
+
+import (
+	"fmt"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestConfig_IsDev(t *testing.T) {
+	assert.True(t, IsDev("dev"))
+	assert.True(t, IsDev("development"))
+	assert.False(t, IsDev("prod"))
+	assert.False(t, IsDev("production"))
+	assert.False(t, IsDev("anything else"))
+}
+
+func Test_mysqlConnectionString(t *testing.T) {
+	c := &dbConfig{
+		Host:     "test_host",
+		Port:     9999,
+		User:     "test_user",
+		Password: "test_password",
+		Name:     "test_name",
+		Dialect:  "mysql",
+		MaxConn:  10,
+	}
+
+	assert.Equal(t, fmt.Sprintf(
+		"%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=true&loc=%s&sql_mode=ANSI_QUOTES",
+		c.User,
+		c.Password,
+		c.Host,
+		c.Port,
+		c.Name,
+		"Local",
+	), mysqlConnectionString(c))
+}
+
+func Test_postgresConnectionString(t *testing.T) {
+	c := &dbConfig{
+		Host:     "test_host",
+		Port:     9999,
+		User:     "test_user",
+		Password: "test_password",
+		Name:     "test_name",
+		Dialect:  "postgres",
+		MaxConn:  10,
+	}
+
+	assert.Equal(t, fmt.Sprintf(
+		"host=%s port=%d user=%s dbname=%s password=%s sslmode=disable",
+		c.Host,
+		c.Port,
+		c.User,
+		c.Name,
+		c.Password,
+	), postgresConnectionString(c))
+}
+
+func Test_sqliteConnectionString(t *testing.T) {
+	c := &dbConfig{
+		Name:    "test_name",
+		Dialect: "sqlite3",
+	}
+	assert.Equal(t, c.Name, sqliteConnectionString(c))
+}

config/templates.go

@@ -0,0 +1,10 @@
+package config
+
+const (
+	IndexTemplate    = "index.tpl.html"
+	LoginTemplate    = "login.tpl.html"
+	ImprintTemplate  = "imprint.tpl.html"
+	SignupTemplate   = "signup.tpl.html"
+	SettingsTemplate = "settings.tpl.html"
+	SummaryTemplate  = "summary.tpl.html"
+)

config/utils.go

@@ -0,0 +1,14 @@
+package config
+
+import "strings"
+
+func cloneStringMap(m map[string]string, keysToLower bool) map[string]string {
+	m2 := make(map[string]string)
+	for k, v := range m {
+		if keysToLower {
+			k = strings.ToLower(k)
+		}
+		m2[k] = v
+	}
+	return m2
+}

coverage/coverage.out

@@ -0,0 +1,602 @@
+mode: set
+github.com/muety/wakapi/models/alias.go:12.32,14.2 1 0
+github.com/muety/wakapi/models/alias.go:16.37,17.35 1 0
+github.com/muety/wakapi/models/alias.go:22.2,22.14 1 0
+github.com/muety/wakapi/models/alias.go:17.35,18.18 1 0
+github.com/muety/wakapi/models/alias.go:18.18,20.4 1 0
+github.com/muety/wakapi/models/heartbeat.go:32.34,34.2 1 1
+github.com/muety/wakapi/models/heartbeat.go:36.65,37.28 1 1
+github.com/muety/wakapi/models/heartbeat.go:40.2,41.45 2 1
+github.com/muety/wakapi/models/heartbeat.go:44.2,45.44 2 1
+github.com/muety/wakapi/models/heartbeat.go:48.2,48.42 1 1
+github.com/muety/wakapi/models/heartbeat.go:37.28,39.3 1 1
+github.com/muety/wakapi/models/heartbeat.go:41.45,43.3 1 0
+github.com/muety/wakapi/models/heartbeat.go:45.44,47.3 1 0
+github.com/muety/wakapi/models/heartbeat.go:51.50,52.11 1 1
+github.com/muety/wakapi/models/heartbeat.go:65.2,65.15 1 1
+github.com/muety/wakapi/models/heartbeat.go:69.2,69.12 1 1
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+github.com/muety/wakapi/services/summary.go:227.2,239.30 4 1
+github.com/muety/wakapi/services/summary.go:259.2,262.26 3 1
+github.com/muety/wakapi/services/summary.go:223.24,225.3 1 0
+github.com/muety/wakapi/services/summary.go:239.30,240.38 1 1
+github.com/muety/wakapi/services/summary.go:244.3,244.37 1 1
+github.com/muety/wakapi/services/summary.go:248.3,248.34 1 1
+github.com/muety/wakapi/services/summary.go:252.3,256.83 5 1
+github.com/muety/wakapi/services/summary.go:240.38,242.4 1 0
+github.com/muety/wakapi/services/summary.go:244.37,246.4 1 1
+github.com/muety/wakapi/services/summary.go:248.34,250.4 1 1
+github.com/muety/wakapi/services/summary.go:265.127,269.32 2 1
+github.com/muety/wakapi/services/summary.go:273.2,273.27 1 1
+github.com/muety/wakapi/services/summary.go:281.2,283.26 3 1
+github.com/muety/wakapi/services/summary.go:288.2,288.43 1 1
+github.com/muety/wakapi/services/summary.go:292.2,292.17 1 1
+github.com/muety/wakapi/services/summary.go:269.32,271.3 1 1
+github.com/muety/wakapi/services/summary.go:273.27,274.37 1 1
+github.com/muety/wakapi/services/summary.go:274.37,276.4 1 1
+github.com/muety/wakapi/services/summary.go:276.9,278.4 1 1
+github.com/muety/wakapi/services/summary.go:283.26,286.3 2 1
+github.com/muety/wakapi/services/summary.go:288.43,290.3 1 1
+github.com/muety/wakapi/services/summary.go:295.116,296.25 1 1
+github.com/muety/wakapi/services/summary.go:300.2,303.44 2 1
+github.com/muety/wakapi/services/summary.go:308.2,308.40 1 1
+github.com/muety/wakapi/services/summary.go:324.2,324.54 1 1
+github.com/muety/wakapi/services/summary.go:328.2,328.18 1 1
+github.com/muety/wakapi/services/summary.go:296.25,298.3 1 0
+github.com/muety/wakapi/services/summary.go:303.44,305.3 1 1
+github.com/muety/wakapi/services/summary.go:308.40,310.19 2 1
+github.com/muety/wakapi/services/summary.go:315.3,318.22 3 0
+github.com/muety/wakapi/services/summary.go:310.19,311.12 1 1
+github.com/muety/wakapi/services/summary.go:318.22,320.4 1 0
+github.com/muety/wakapi/services/summary.go:324.54,326.3 1 1
+github.com/muety/wakapi/services/summary.go:331.59,333.25 2 1
+github.com/muety/wakapi/services/summary.go:336.2,336.32 1 1
+github.com/muety/wakapi/services/summary.go:333.25,335.3 1 1

docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.7'
+
+services:
+  wakapi:
+    build: .
+    ports:
+      - 3000:3000
+    restart: always
+    environment:
+      WAKAPI_DB_TYPE: "postgres"
+      WAKAPI_DB_NAME: "wakapi"
+      WAKAPI_DB_USER: "wakapi"
+      WAKAPI_DB_PASSWORD: "CHANGE_ME!!!"
+      WAKAPI_DB_HOST: "db"
+      WAKAPI_DB_PORT: "5432"
+      ENVIRONMENT: "prod"
+
+  db:
+    image: postgres:12.3
+    environment:
+      POSTGRES_USER: "wakapi"
+      POSTGRES_PASSWORD: "CHANGE_ME!!!"
+      POSTGRES_DB: "wakapi"

docs/advanced_setup.md

@@ -0,0 +1,47 @@
+# Advanced Setup
+This page contains instructions for additional setup options, none of which are mandatory.
+
+## Optional: Client-side proxy
+Most Wakatime plugins work in a way that, for every heartbeat to send, the plugin calls your local [wakatime-cli](https://github.com/wakatime/wakatime) (a small Python program that is automatically installed when installing a Wakatime plugin) with a few command-line arguments, which is then run as a new process. Inside that process, a heartbeat request is forged and sent to the backend API – Wakapi in this case.
+
+While this is convenient for plugin developers, as they do not have to deal with sending HTTP requests, etc., it comes with a minor drawback. Because the CLI process shuts down after each request, its TCP connection is closed as well. Accordingly, **TCP connections cannot be re-used** and every single heartbeat request is inevitably preceded by the `SYN` + `SYN ACK` + `ACK` sequence for establishing a new TCP connection as well as a handshake for establishing a new TLS session.
+
+While this certainly does not hurt, it is still a bit of overhead. You can avoid that by setting up a local reverse proxy on your machine, that keeps running as a daemon and can therefore keep a continuous connection.
+
+### Option 1: [tinyproxy](https://tinyproxy.github.io) forward proxy (`Linux`, `Mac` only)
+In this example we use _tinyproxy_ as a small, easy-to-install proxy server, written in C, that runs on your local machine.
+1. Install [tinyproxy](https://tinyproxy.github.io)
+   * Fedora / RHEL: `dnf install tinyproxy`
+   * Debian / Ubuntu: `apt install tinyproxy`
+   * MacOS: Install from [MacPorts](https://ports.macports.org/port/tinyproxy/summary)
+1. Enable and start it
+   * Linux: `sudo systemctl start tinyproxy && sudo systemctl enable tinyproxy`
+   * Mac: Not sure, sorry ¯\_(ツ)_/¯
+1. Update `~/.wakatime.cfg`
+   * Set `proxy = http://localhost:8888`
+1. Done
+   * All Wakapi requests are passed through tinyproxy now, which keeps a TCP connection with the server open for some time
+
+### Option 2: [Caddy](https://caddyserver.com) reverse proxy (`Win`, `Linux`, `Mac`)
+In this example, we misuse Caddy, which is a web server and reverse proxy, to fulfil the above scenario. 
+
+1. [Install Caddy](https://caddyserver.com/) 
+    * When installing manually, don't forget to set up a systemd service to start Caddy on system startup
+1. Create a Caddyfile
+    ```
+    # /etc/caddy/Caddyfile
+   
+    http://localhost:8070 {
+        reverse_proxy * {
+            to https://wakapi.dev  # <-- substitute your own Wakapi host here
+            header_up Host {http.reverse_proxy.upstream.host}
+            header_down -Server
+        }
+    }
+    ```
+1. Restart Caddy
+1. Verify that you can access [`http://localhost:8070/api/health`](http://localhost:8070/api/health)
+1. Update `~/.wakatime.cfg`
+    * Set `api_url = http://localhost:8070/api/heartbeat`
+1. Done
+   * All Wakapi requests are passed through Caddy now, which keeps a TCP connection with the server open for some time

entrypoint.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+if [ "$WAKAPI_DB_TYPE" == "sqlite3" ] || [ "$WAKAPI_DB_TYPE" == "" ]; then
+  ./wakapi
+else
+  echo "Waiting for database to come up"
+  ./wait-for-it.sh   "$WAKAPI_DB_HOST:$WAKAPI_DB_PORT" -s -t 60 -- ./wakapi
+fi

go.mod

@@ -3,19 +3,31 @@ module github.com/muety/wakapi
 go 1.13
 
 require (
-	github.com/gobuffalo/packr/v2 v2.8.0
+	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
+	github.com/emvi/logbuch v1.1.1
+	github.com/go-co-op/gocron v0.3.3
+	github.com/go-openapi/spec v0.20.2 // indirect
 	github.com/gorilla/handlers v1.4.2
 	github.com/gorilla/mux v1.7.3
 	github.com/gorilla/schema v1.1.0
 	github.com/gorilla/securecookie v1.1.1
-	github.com/jasonlvhit/gocron v0.0.0-20191106203602-f82992d443f4
-	github.com/jinzhu/gorm v1.9.11
-	github.com/joho/godotenv v1.3.0
-	github.com/kr/pretty v0.2.0 // indirect
+	github.com/jinzhu/configor v1.2.0
+	github.com/mailru/easyjson v0.7.7 // indirect
+	github.com/markbates/pkger v0.17.1
+	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
+	github.com/mitchellh/hashstructure/v2 v2.0.1
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/rubenv/sql-migrate v0.0.0-20200402132117-435005d389bc
 	github.com/satori/go.uuid v1.2.0
-	github.com/t-tiger/gorm-bulk-insert v0.0.0-20191014134946-beb77b81825f
-	golang.org/x/crypto v0.0.0-20191122220453-ac88ee75c92c
-	gopkg.in/ini.v1 v1.50.0
+	github.com/stretchr/testify v1.6.1
+	github.com/swaggo/swag v1.7.0
+	go.uber.org/atomic v1.6.0
+	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
+	golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9
+	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
+	golang.org/x/tools v0.1.0 // indirect
+	gorm.io/driver/mysql v1.0.3
+	gorm.io/driver/postgres v1.0.5
+	gorm.io/driver/sqlite v1.1.3
+	gorm.io/gorm v1.20.11
 )

go.sum

@@ -1,14 +1,20 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
-github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
+github.com/KyleBanks/depth v1.2.1 h1:5h8fQADFrWtarTdtDudMmGsC7GPbOAu6RVB3ffsVFHc=
+github.com/KyleBanks/depth v1.2.1/go.mod h1:jzSb9d0L43HxTQfT+oSA1EEp2q+ne2uh6XgeJcm8brE=
+github.com/PuerkitoBio/purell v1.1.1 h1:WEQqlqaGbrPkxLJWfBwQmfEAE1Z7ONdDLqrN38tNFfI=
+github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
+github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
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 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
+github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
@@ -29,82 +35,101 @@ github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kB
 github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
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-github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
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 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
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+github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
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@@ -274,6 +356,7 @@ github.com/performancecopilot/speed v3.0.0+incompatible/go.mod h1:/CLtqpZ5gBg1M9
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@@ -289,36 +371,41 @@ github.com/prometheus/client_model v0.0.0-20190115171406-56726106282f/go.mod h1:
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@@ -369,9 +458,13 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
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@@ -379,21 +472,27 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
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@@ -406,12 +505,17 @@ golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73r
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+golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
+golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
+golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20190513163551-3ee3066db522/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
@@ -488,27 +618,45 @@ google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/gorp.v1 v1.7.2 h1:j3DWlAyGVv8whO7AcIWznQ2Yj7yJkn34B8s63GViAAw=
 gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
-gopkg.in/ini.v1 v1.50.0 h1:c/4YI/GUgB7d2yOkxdsQyYDhW67nWrTl6Zyd9vagYmg=
-gopkg.in/ini.v1 v1.50.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
+gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
+gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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main.go

@@ -1,196 +1,277 @@
 package main
 
+//go:generate $GOPATH/bin/pkger
+
 import (
+	"github.com/emvi/logbuch"
 	"github.com/gorilla/handlers"
+	"github.com/markbates/pkger"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/migrations"
+	"github.com/muety/wakapi/repositories"
+	"github.com/muety/wakapi/routes/api"
+	"github.com/muety/wakapi/utils"
+	"gorm.io/gorm/logger"
 	"log"
 	"net/http"
+	"os"
 	"strconv"
 	"time"
 
-	"github.com/gobuffalo/packr/v2"
 	"github.com/gorilla/mux"
-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/middlewares"
-	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/routes"
+	shieldsV1Routes "github.com/muety/wakapi/routes/compat/shields/v1"
+	wtV1Routes "github.com/muety/wakapi/routes/compat/wakatime/v1"
 	"github.com/muety/wakapi/services"
-	"github.com/muety/wakapi/utils"
-	"github.com/rubenv/sql-migrate"
-
-	_ "github.com/jinzhu/gorm/dialects/mysql"
-	_ "github.com/jinzhu/gorm/dialects/postgres"
-	_ "github.com/jinzhu/gorm/dialects/sqlite"
+	_ "gorm.io/driver/mysql"
+	_ "gorm.io/driver/postgres"
+	_ "gorm.io/driver/sqlite"
+	"gorm.io/gorm"
 )
 
 var (
 	db     *gorm.DB
-	config *models.Config
+	config *conf.Config
 )
 
 var (
-	aliasService       *services.AliasService
-	heartbeatService   *services.HeartbeatService
-	userService        *services.UserService
-	summaryService     *services.SummaryService
-	aggregationService *services.AggregationService
+	aliasRepository           repositories.IAliasRepository
+	heartbeatRepository       repositories.IHeartbeatRepository
+	userRepository            repositories.IUserRepository
+	languageMappingRepository repositories.ILanguageMappingRepository
+	summaryRepository         repositories.ISummaryRepository
+	keyValueRepository        repositories.IKeyValueRepository
+)
+
+var (
+	aliasService           services.IAliasService
+	heartbeatService       services.IHeartbeatService
+	userService            services.IUserService
+	languageMappingService services.ILanguageMappingService
+	summaryService         services.ISummaryService
+	aggregationService     services.IAggregationService
+	keyValueService        services.IKeyValueService
+	miscService            services.IMiscService
 )
 
 // TODO: Refactor entire project to be structured after business domains
 
-func main() {
-	config = models.GetConfig()
+// @title Wakapi API
+// @version 1.0
+// @description REST API to interact with [Wakapi](https://wakapi.dev)
+// @description
+// @description ## Authentication
+// @description Set header `Authorization` to your API Key encoded as Base64 and prefixed with `Basic`
+// @description **Example:** `Basic ODY2NDhkNzQtMTljNS00NTJiLWJhMDEtZmIzZWM3MGQ0YzJmCg==`
 
-	// Enable line numbers in logging
+// @contact.name Ferdinand Mütsch
+// @contact.url https://github.com/muety
+// @contact.email ferdinand@muetsch.io
+
+// @license.name GPL-3.0
+// @license.url https://github.com/muety/wakapi/blob/master/LICENSE
+
+// @securitydefinitions.apikey ApiKeyAuth
+// @in header
+// @name Authorization
+
+// @BasePath /api
+func main() {
+	config = conf.Load()
+
+	// Set log level
 	if config.IsDev() {
-		log.SetFlags(log.LstdFlags | log.Lshortfile)
+		logbuch.SetLevel(logbuch.LevelDebug)
+	} else {
+		logbuch.SetLevel(logbuch.LevelInfo)
 	}
 
+	// Set up GORM
+	gormLogger := logger.New(
+		log.New(os.Stdout, "", log.LstdFlags),
+		logger.Config{
+			SlowThreshold: time.Minute,
+			Colorful:      false,
+			LogLevel:      logger.Silent,
+		},
+	)
+
 	// Connect to database
 	var err error
-	db, err = gorm.Open(config.DbDialect, utils.MakeConnectionString(config))
-	if config.DbDialect == "sqlite3" {
-		db.DB().Exec("PRAGMA foreign_keys = ON;")
+	db, err = gorm.Open(config.Db.GetDialector(), &gorm.Config{Logger: gormLogger})
+	if config.Db.Dialect == "sqlite3" {
+		db.Raw("PRAGMA foreign_keys = ON;")
 	}
-	db.LogMode(config.IsDev())
-	db.DB().SetMaxIdleConns(int(config.DbMaxConn))
-	db.DB().SetMaxOpenConns(int(config.DbMaxConn))
+
+	if config.IsDev() {
+		db = db.Debug()
+	}
+	sqlDb, _ := db.DB()
+	sqlDb.SetMaxIdleConns(int(config.Db.MaxConn))
+	sqlDb.SetMaxOpenConns(int(config.Db.MaxConn))
 	if err != nil {
-		log.Println(err)
-		log.Fatal("could not connect to database")
+		logbuch.Error(err.Error())
+		logbuch.Fatal("could not connect to database")
 	}
-	// TODO: Graceful shutdown
-	defer db.Close()
+	defer sqlDb.Close()
 
 	// Migrate database schema
-	migrateDo := databaseMigrateActions(config.DbDialect)
-	migrateDo(db)
+	migrations.RunPreMigrations(db, config)
+	runDatabaseMigrations()
+	migrations.RunCustomPostMigrations(db, config)
+
+	// Repositories
+	aliasRepository = repositories.NewAliasRepository(db)
+	heartbeatRepository = repositories.NewHeartbeatRepository(db)
+	userRepository = repositories.NewUserRepository(db)
+	languageMappingRepository = repositories.NewLanguageMappingRepository(db)
+	summaryRepository = repositories.NewSummaryRepository(db)
+	keyValueRepository = repositories.NewKeyValueRepository(db)
 
 	// Services
-	aliasService = services.NewAliasService(db)
-	heartbeatService = services.NewHeartbeatService(db)
-	userService = services.NewUserService(db)
-	summaryService = services.NewSummaryService(db, heartbeatService, aliasService)
-	aggregationService = services.NewAggregationService(db, userService, summaryService, heartbeatService)
+	aliasService = services.NewAliasService(aliasRepository)
+	userService = services.NewUserService(userRepository)
+	languageMappingService = services.NewLanguageMappingService(languageMappingRepository)
+	heartbeatService = services.NewHeartbeatService(heartbeatRepository, languageMappingService)
+	summaryService = services.NewSummaryService(summaryRepository, heartbeatService, aliasService)
+	aggregationService = services.NewAggregationService(userService, summaryService, heartbeatService)
+	keyValueService = services.NewKeyValueService(keyValueRepository)
+	miscService = services.NewMiscService(userService, summaryService, keyValueService)
 
-	// Custom migrations and initial data
-	addDefaultUser()
-	migrateLanguages()
-
-	// Aggregate heartbeats to summaries and persist them
+	// Schedule background tasks
 	go aggregationService.Schedule()
+	go miscService.ScheduleCountTotalTime()
 
-	if config.CleanUp {
-		go heartbeatService.ScheduleCleanUp()
-	}
+	routes.Init()
 
-	// Handlers
-	heartbeatHandler := routes.NewHeartbeatHandler(heartbeatService)
-	summaryHandler := routes.NewSummaryHandler(summaryService)
-	healthHandler := routes.NewHealthHandler(db)
-	publicHandler := routes.NewIndexHandler(userService)
+	// API Handlers
+	healthApiHandler := api.NewHealthApiHandler(db)
+	heartbeatApiHandler := api.NewHeartbeatApiHandler(userService, heartbeatService, languageMappingService)
+	summaryApiHandler := api.NewSummaryApiHandler(userService, summaryService)
+
+	// Compat Handlers
+	wakatimeV1AllHandler := wtV1Routes.NewAllTimeHandler(userService, summaryService)
+	wakatimeV1SummariesHandler := wtV1Routes.NewSummariesHandler(userService, summaryService)
+	wakatimeV1StatsHandler := wtV1Routes.NewStatsHandler(userService, summaryService)
+	shieldV1BadgeHandler := shieldsV1Routes.NewBadgeHandler(summaryService, userService)
+
+	// MVC Handlers
+	summaryHandler := routes.NewSummaryHandler(summaryService, userService)
+	settingsHandler := routes.NewSettingsHandler(userService, heartbeatService, summaryService, aliasService, aggregationService, languageMappingService, keyValueService)
+	homeHandler := routes.NewHomeHandler(keyValueService)
+	loginHandler := routes.NewLoginHandler(userService)
+	imprintHandler := routes.NewImprintHandler(keyValueService)
 
 	// Setup Routers
 	router := mux.NewRouter()
-	publicRouter := router.PathPrefix("/").Subrouter()
-	summaryRouter := publicRouter.PathPrefix("/summary").Subrouter()
+	rootRouter := router.PathPrefix("/").Subrouter()
 	apiRouter := router.PathPrefix("/api").Subrouter()
 
-	// Middlewares
+	// Globally used middlewares
 	recoveryMiddleware := handlers.RecoveryHandler()
-	loggingMiddleware := middlewares.NewLoggingMiddleware().Handler
-	corsMiddleware := handlers.CORS()
-	authenticateMiddleware := middlewares.NewAuthenticateMiddleware(
-		userService,
-		[]string{"/api/health"},
-	).Handler
+	loggingMiddleware := middlewares.NewLoggingMiddleware(
+		log.New(os.Stdout, "", log.LstdFlags),
+		[]string{"/assets"},
+	)
 
 	// Router configs
 	router.Use(loggingMiddleware, recoveryMiddleware)
-	summaryRouter.Use(authenticateMiddleware)
-	apiRouter.Use(corsMiddleware, authenticateMiddleware)
 
-	// Public Routes
-	publicRouter.Path("/").Methods(http.MethodGet).HandlerFunc(publicHandler.Index)
-	publicRouter.Path("/login").Methods(http.MethodPost).HandlerFunc(publicHandler.Login)
-	publicRouter.Path("/logout").Methods(http.MethodPost).HandlerFunc(publicHandler.Logout)
-	publicRouter.Path("/signup").Methods(http.MethodGet, http.MethodPost).HandlerFunc(publicHandler.Signup)
+	// Route registrations
+	homeHandler.RegisterRoutes(rootRouter)
+	loginHandler.RegisterRoutes(rootRouter)
+	imprintHandler.RegisterRoutes(rootRouter)
+	summaryHandler.RegisterRoutes(rootRouter)
+	settingsHandler.RegisterRoutes(rootRouter)
 
-	// Summary Routes
-	summaryRouter.Methods(http.MethodGet).HandlerFunc(summaryHandler.Index)
-
-	// API Routes
-	apiRouter.Path("/heartbeat").Methods(http.MethodPost).HandlerFunc(heartbeatHandler.ApiPost)
-	apiRouter.Path("/summary").Methods(http.MethodGet).HandlerFunc(summaryHandler.ApiGet)
-	apiRouter.Path("/health").Methods(http.MethodGet).HandlerFunc(healthHandler.ApiGet)
+	// API route registrations
+	summaryApiHandler.RegisterRoutes(apiRouter)
+	healthApiHandler.RegisterRoutes(apiRouter)
+	heartbeatApiHandler.RegisterRoutes(apiRouter)
+	wakatimeV1AllHandler.RegisterRoutes(apiRouter)
+	wakatimeV1SummariesHandler.RegisterRoutes(apiRouter)
+	wakatimeV1StatsHandler.RegisterRoutes(apiRouter)
+	shieldV1BadgeHandler.RegisterRoutes(apiRouter)
 
 	// Static Routes
-	router.PathPrefix("/assets").Handler(http.FileServer(http.Dir("./static")))
+	fileServer := http.FileServer(utils.NeuteredFileSystem{Fs: pkger.Dir("/static")})
+	router.PathPrefix("/assets").Handler(fileServer)
+	router.PathPrefix("/swagger-ui").Handler(fileServer)
+	router.PathPrefix("/docs").Handler(
+		middlewares.NewFileTypeFilterMiddleware([]string{".go"})(fileServer),
+	)
 
 	// Listen HTTP
-	portString := config.Addr + ":" + strconv.Itoa(config.Port)
-	s := &http.Server{
-		Handler:      router,
-		Addr:         portString,
-		ReadTimeout:  10 * time.Second,
-		WriteTimeout: 10 * time.Second,
-	}
-	log.Printf("Listening on %+s\n", portString)
-	s.ListenAndServe()
+	listen(router)
 }
 
-func databaseMigrateActions(dbDialect string) func(db *gorm.DB) {
-	var migrateDo func(db *gorm.DB)
-	if dbDialect == "sqlite3" {
-		migrations := &migrate.PackrMigrationSource{
-			Box: packr.New("migrations", "./migrations/sqlite3"),
+func listen(handler http.Handler) {
+	var s4, s6 *http.Server
+
+	// IPv4
+	if config.Server.ListenIpV4 != "" {
+		bindString4 := config.Server.ListenIpV4 + ":" + strconv.Itoa(config.Server.Port)
+		s4 = &http.Server{
+			Handler:      handler,
+			Addr:         bindString4,
+			ReadTimeout:  10 * time.Second,
+			WriteTimeout: 10 * time.Second,
 		}
-		migrateDo = func(db *gorm.DB) {
-			n, err := migrate.Exec(db.DB(), "sqlite3", migrations, migrate.Up)
-			if err != nil {
-				log.Fatal(err)
-			}
-			log.Printf("Applied %d migrations!\n", n)
+	}
+
+	// IPv6
+	if config.Server.ListenIpV6 != "" {
+		bindString6 := "[" + config.Server.ListenIpV6 + "]:" + strconv.Itoa(config.Server.Port)
+		s6 = &http.Server{
+			Handler:      handler,
+			Addr:         bindString6,
+			ReadTimeout:  10 * time.Second,
+			WriteTimeout: 10 * time.Second,
+		}
+	}
+
+	if config.UseTLS() {
+		if s4 != nil {
+			logbuch.Info("--> Listening for HTTPS on %s... ✅", s4.Addr)
+			go func() {
+				if err := s4.ListenAndServeTLS(config.Server.TlsCertPath, config.Server.TlsKeyPath); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
+		}
+		if s6 != nil {
+			logbuch.Info("--> Listening for HTTPS on %s... ✅", s6.Addr)
+			go func() {
+				if err := s6.ListenAndServeTLS(config.Server.TlsCertPath, config.Server.TlsKeyPath); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
 		}
 	} else {
-		migrateDo = func(db *gorm.DB) {
-			db.AutoMigrate(&models.Alias{})
-			db.AutoMigrate(&models.Summary{})
-			db.AutoMigrate(&models.SummaryItem{})
-			db.AutoMigrate(&models.User{})
-			db.AutoMigrate(&models.Heartbeat{}).AddForeignKey("user_id", "users(id)", "RESTRICT", "RESTRICT")
-			db.AutoMigrate(&models.SummaryItem{}).AddForeignKey("summary_id", "summaries(id)", "CASCADE", "CASCADE")
+		if s4 != nil {
+			logbuch.Info("--> Listening for HTTP on %s... ✅", s4.Addr)
+			go func() {
+				if err := s4.ListenAndServe(); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
+		}
+		if s6 != nil {
+			logbuch.Info("--> Listening for HTTP on %s... ✅", s6.Addr)
+			go func() {
+				if err := s6.ListenAndServe(); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
 		}
 	}
-	return migrateDo
+
+	<-make(chan interface{}, 1)
 }
 
-func migrateLanguages() {
-	for k, v := range config.CustomLanguages {
-		result := db.Model(models.Heartbeat{}).
-			Where("language = ?", "").
-			Where("entity LIKE ?", "%."+k).
-			Updates(models.Heartbeat{Language: v})
-		if result.Error != nil {
-			log.Fatal(result.Error)
-		}
-		if result.RowsAffected > 0 {
-			log.Printf("Migrated %+v rows for custom language %+s.\n", result.RowsAffected, k)
-		}
-	}
-}
-
-func addDefaultUser() {
-	u, created, err := userService.CreateOrGet(&models.Signup{
-		Username: config.DefaultUserName,
-		Password: config.DefaultUserPassword,
-	})
-
-	if err != nil {
-		log.Println("unable to create default user")
-		log.Fatal(err)
-	} else if created {
-		log.Printf("created default user '%s' with password '%s' and API key '%s'\n", u.ID, config.DefaultUserPassword, u.ApiKey)
-	} else {
-		log.Printf("default user '%s' already existing\n", u.ID)
+func runDatabaseMigrations() {
+	if err := config.GetMigrationFunc(config.Db.Dialect)(db); err != nil {
+		logbuch.Fatal(err.Error())
 	}
 }

middlewares/authenticate.go

@@ -2,36 +2,34 @@ package middlewares
 
 import (
 	"context"
-	"errors"
 	"fmt"
-	"github.com/muety/wakapi/utils"
-	"log"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/patrickmn/go-cache"
-
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"strings"
 )
 
 type AuthenticateMiddleware struct {
-	config         *models.Config
-	userSrvc       *services.UserService
-	cache          *cache.Cache
-	whitelistPaths []string
+	config           *conf.Config
+	userSrvc         services.IUserService
+	optionalForPaths []string
 }
 
-func NewAuthenticateMiddleware(userService *services.UserService, whitelistPaths []string) *AuthenticateMiddleware {
+func NewAuthenticateMiddleware(userService services.IUserService) *AuthenticateMiddleware {
 	return &AuthenticateMiddleware{
-		config:         models.GetConfig(),
-		userSrvc:       userService,
-		cache:          cache.New(1*time.Hour, 2*time.Hour),
-		whitelistPaths: whitelistPaths,
+		config:           conf.Get(),
+		userSrvc:         userService,
+		optionalForPaths: []string{},
 	}
 }
 
+func (m *AuthenticateMiddleware) WithOptionalFor(paths []string) *AuthenticateMiddleware {
+	m.optionalForPaths = paths
+	return m
+}
+
 func (m *AuthenticateMiddleware) Handler(h http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		m.ServeHTTP(w, r, h.ServeHTTP)
@@ -39,13 +37,6 @@ func (m *AuthenticateMiddleware) Handler(h http.Handler) http.Handler {
 }
 
 func (m *AuthenticateMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
-	for _, p := range m.whitelistPaths {
-		if strings.HasPrefix(r.URL.Path, p) || r.URL.Path == p {
-			next(w, r)
-			return
-		}
-	}
-
 	var user *models.User
 	user, err := m.tryGetUserByCookie(r)
 
@@ -53,22 +44,34 @@ func (m *AuthenticateMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Reques
 		user, err = m.tryGetUserByApiKey(r)
 	}
 
-	if err != nil {
+	if err != nil || user == nil {
+		if m.isOptional(r.URL.Path) {
+			next(w, r)
+			return
+		}
+
 		if strings.HasPrefix(r.URL.Path, "/api") {
 			w.WriteHeader(http.StatusUnauthorized)
 		} else {
-			utils.ClearCookie(w, models.AuthCookieKey, !m.config.InsecureCookies)
-			http.Redirect(w, r, fmt.Sprintf("%s/?error=unauthorized", m.config.BasePath), http.StatusFound)
+			http.SetCookie(w, m.config.GetClearCookie(models.AuthCookieKey, "/"))
+			http.Redirect(w, r, fmt.Sprintf("%s/?error=unauthorized", m.config.Server.BasePath), http.StatusFound)
 		}
 		return
 	}
 
-	m.cache.Set(user.ID, user, cache.DefaultExpiration)
-
 	ctx := context.WithValue(r.Context(), models.UserKey, user)
 	next(w, r.WithContext(ctx))
 }
 
+func (m *AuthenticateMiddleware) isOptional(requestPath string) bool {
+	for _, p := range m.optionalForPaths {
+		if strings.HasPrefix(requestPath, p) || requestPath == p {
+			return true
+		}
+	}
+	return false
+}
+
 func (m *AuthenticateMiddleware) tryGetUserByApiKey(r *http.Request) (*models.User, error) {
 	key, err := utils.ExtractBearerAuth(r)
 	if err != nil {
@@ -77,51 +80,26 @@ func (m *AuthenticateMiddleware) tryGetUserByApiKey(r *http.Request) (*models.Us
 
 	var user *models.User
 	userKey := strings.TrimSpace(key)
-	cachedUser, ok := m.cache.Get(userKey)
-	if !ok {
-		user, err = m.userSrvc.GetUserByKey(userKey)
-		if err != nil {
-			return nil, err
-		}
-	} else {
-		user = cachedUser.(*models.User)
+	user, err = m.userSrvc.GetUserByKey(userKey)
+	if err != nil {
+		return nil, err
 	}
 	return user, nil
 }
 
 func (m *AuthenticateMiddleware) tryGetUserByCookie(r *http.Request) (*models.User, error) {
-	login, err := utils.ExtractCookieAuth(r, m.config)
+	username, err := utils.ExtractCookieAuth(r, m.config)
 	if err != nil {
 		return nil, err
 	}
 
-	cachedUser, ok := m.cache.Get(login.Username)
-
-	if ok {
-		return cachedUser.(*models.User), nil
-	}
-
-	user, err := m.userSrvc.GetUserById(login.Username)
+	user, err := m.userSrvc.GetUserById(*username)
 	if err != nil {
 		return nil, err
 	}
 
-	if !CheckAndMigratePassword(user, login, m.config.PasswordSalt, m.userSrvc) {
-		return nil, errors.New("invalid password")
-	}
+	// no need to check password here, as securecookie decoding will fail anyway,
+	// if cookie is not properly signed
 
 	return user, nil
 }
-
-// migrate old md5-hashed passwords to new salted bcrypt hashes for backwards compatibility
-func CheckAndMigratePassword(user *models.User, login *models.Login, salt string, userServiceRef *services.UserService) bool {
-	if utils.IsMd5(user.Password) {
-		if utils.CheckPasswordMd5(user, login.Password) {
-			log.Printf("migrating old md5 password to new bcrypt format for user '%s'", user.ID)
-			userServiceRef.MigrateMd5Password(user, login)
-			return true
-		}
-		return false
-	}
-	return utils.CheckPasswordBcrypt(user, login.Password, salt)
-}

middlewares/authenticate_test.go

@@ -0,0 +1,56 @@
+package middlewares
+
+import (
+	"encoding/base64"
+	"fmt"
+	"github.com/muety/wakapi/mocks"
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/assert"
+	"net/http"
+	"testing"
+)
+
+func TestAuthenticateMiddleware_tryGetUserByApiKey_Success(t *testing.T) {
+	testApiKey := "z5uig69cn9ut93n"
+	testToken := base64.StdEncoding.EncodeToString([]byte(testApiKey))
+	testUser := &models.User{ApiKey: testApiKey}
+
+	mockRequest := &http.Request{
+		Header: http.Header{
+			"Authorization": []string{fmt.Sprintf("Basic %s", testToken)},
+		},
+	}
+
+	userServiceMock := new(mocks.UserServiceMock)
+	userServiceMock.On("GetUserByKey", testApiKey).Return(testUser, nil)
+
+	sut := NewAuthenticateMiddleware(userServiceMock)
+
+	result, err := sut.tryGetUserByApiKey(mockRequest)
+
+	assert.Nil(t, err)
+	assert.Equal(t, testUser, result)
+}
+
+func TestAuthenticateMiddleware_tryGetUserByApiKey_InvalidHeader(t *testing.T) {
+	testApiKey := "z5uig69cn9ut93n"
+	testToken := base64.StdEncoding.EncodeToString([]byte(testApiKey))
+
+	mockRequest := &http.Request{
+		Header: http.Header{
+			// 'Basic' prefix missing here
+			"Authorization": []string{fmt.Sprintf("%s", testToken)},
+		},
+	}
+
+	userServiceMock := new(mocks.UserServiceMock)
+
+	sut := NewAuthenticateMiddleware(userServiceMock)
+
+	result, err := sut.tryGetUserByApiKey(mockRequest)
+
+	assert.Error(t, err)
+	assert.Nil(t, result)
+}
+
+// TODO: somehow test cookie auth function

middlewares/custom/wakatime.go

@@ -0,0 +1,94 @@
+package relay
+
+import (
+	"bytes"
+	"encoding/base64"
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+/* Middleware to conditionally relay heartbeats to Wakatime */
+type WakatimeRelayMiddleware struct {
+	httpClient *http.Client
+}
+
+func NewWakatimeRelayMiddleware() *WakatimeRelayMiddleware {
+	return &WakatimeRelayMiddleware{
+		httpClient: &http.Client{
+			Timeout: 10 * time.Second,
+		},
+	}
+}
+
+func (m *WakatimeRelayMiddleware) Handler(h http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		m.ServeHTTP(w, r, h.ServeHTTP)
+	})
+}
+
+func (m *WakatimeRelayMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
+	defer next(w, r)
+
+	if r.Method != http.MethodPost {
+		return
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	if user == nil || user.WakatimeApiKey == "" {
+		return
+	}
+
+	body, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+	r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
+
+	headers := http.Header{
+		"X-Machine-Name": r.Header.Values("X-Machine-Name"),
+		"Content-Type":   r.Header.Values("Content-Type"),
+		"Accept":         r.Header.Values("Accept"),
+		"User-Agent":     r.Header.Values("User-Agent"),
+		"X-Origin": []string{
+			fmt.Sprintf("wakapi v%s", config.Get().Version),
+		},
+		"Authorization": []string{
+			fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(user.WakatimeApiKey))),
+		},
+	}
+
+	go m.send(
+		http.MethodPost,
+		config.WakatimeApiUrl+config.WakatimeApiHeartbeatsBulkUrl,
+		bytes.NewReader(body),
+		headers,
+	)
+}
+
+func (m *WakatimeRelayMiddleware) send(method, url string, body io.Reader, headers http.Header) {
+	request, err := http.NewRequest(method, url, body)
+	if err != nil {
+		logbuch.Warn("error constructing relayed request – %v", err)
+		return
+	}
+
+	for k, v := range headers {
+		for _, h := range v {
+			request.Header.Set(k, h)
+		}
+	}
+
+	response, err := m.httpClient.Do(request)
+	if err != nil {
+		logbuch.Warn("error executing relayed request – %v", err)
+		return
+	}
+
+	if response.StatusCode < 200 || response.StatusCode >= 300 {
+		logbuch.Warn("failed to relay request, got status %d", response.StatusCode)
+	}
+}

middlewares/filetype.go

@@ -0,0 +1,32 @@
+package middlewares
+
+import (
+	"net/http"
+	"strings"
+)
+
+type SuffixFilterMiddleware struct {
+	handler     http.Handler
+	filterTypes []string
+}
+
+func NewFileTypeFilterMiddleware(filter []string) func(http.Handler) http.Handler {
+	return func(h http.Handler) http.Handler {
+		return &SuffixFilterMiddleware{
+			handler:     h,
+			filterTypes: filter,
+		}
+	}
+}
+
+func (f *SuffixFilterMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	path := strings.ToLower(r.URL.Path)
+	for _, t := range f.filterTypes {
+		if strings.HasSuffix(path, strings.ToLower(t)) {
+			w.WriteHeader(http.StatusForbidden)
+			w.Write([]byte("403 forbidden"))
+			return
+		}
+	}
+	f.handler.ServeHTTP(w, r)
+}

middlewares/logging.go

@@ -1,17 +1,145 @@
 package middlewares
 
+// Borrowed from https://gist.github.com/elithrar/887d162dfd0c539b700ab4049c76e22b
+
 import (
-	"github.com/gorilla/handlers"
+	"io"
+	"log"
 	"net/http"
-	"os"
+	"strings"
+	"time"
 )
 
-type LoggingMiddleware struct{}
-
-func NewLoggingMiddleware() *LoggingMiddleware {
-	return &LoggingMiddleware{}
+type LoggingMiddleware struct {
+	handler         http.Handler
+	output          *log.Logger
+	excludePrefixes []string
 }
 
-func (m *LoggingMiddleware) Handler(h http.Handler) http.Handler {
-	return handlers.LoggingHandler(os.Stdout, h)
+func NewLoggingMiddleware(output *log.Logger, excludePrefixes []string) func(http.Handler) http.Handler {
+	return func(h http.Handler) http.Handler {
+		return &LoggingMiddleware{
+			handler:         h,
+			output:          output,
+			excludePrefixes: excludePrefixes,
+		}
+	}
+}
+
+func (lg *LoggingMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	ww := wrapWriter(w)
+
+	start := time.Now()
+	lg.handler.ServeHTTP(ww, r)
+	end := time.Now()
+	duration := end.Sub(start)
+
+	path := strings.ToLower(r.URL.Path)
+	for _, prefix := range lg.excludePrefixes {
+		if strings.HasPrefix(path, prefix) {
+			return
+		}
+	}
+
+	lg.output.Printf(
+		"%v status=%d, method=%s, uri=%s, duration=%v, bytes=%d, addr=%s\n",
+		time.Now().Format(time.RFC3339Nano),
+		ww.Status(),
+		r.Method,
+		r.URL.String(),
+		duration,
+		ww.BytesWritten(),
+		readUserIP(r),
+	)
+}
+
+func readUserIP(r *http.Request) string {
+	ip := r.Header.Get("X-Real-Ip")
+	if ip == "" {
+		ip = r.Header.Get("X-Forwarded-For")
+	}
+	if ip == "" {
+		ip = r.RemoteAddr
+	}
+	return ip
+}
+
+// The below writer-wrapping code has been lifted from
+// https://github.com/zenazn/goji/blob/master/web/middleware/logger.go - because
+// it does exactly what is needed, and it's unlikely to change in any
+// significant way that makes copying worse-off than importing. MIT licensed
+// and (c) Carl Jackson.
+
+// writerProxy is a proxy around an http.ResponseWriter that allows you to hook
+// into various parts of the response process.
+type writerProxy interface {
+	http.ResponseWriter
+	// Status returns the HTTP status of the request, or 0 if one has not
+	// yet been sent.
+	Status() int
+	// BytesWritten returns the total number of bytes sent to the client.
+	BytesWritten() int
+	// Tee causes the response body to be written to the given io.Writer in
+	// addition to proxying the writes through. Only one io.Writer can be
+	// tee'd to at once: setting a second one will overwrite the first.
+	// Writes will be sent to the proxy before being written to this
+	// io.Writer. It is illegal for the tee'd writer to be modified
+	// concurrently with writes.
+	Tee(io.Writer)
+	// Unwrap returns the original proxied target.
+	Unwrap() http.ResponseWriter
+}
+
+// wrapWriter wraps an http.ResponseWriter, returning a proxy that allows you to
+// hook into various parts of the response process.
+func wrapWriter(w http.ResponseWriter) writerProxy {
+	return &basicWriter{ResponseWriter: w}
+}
+
+// basicWriter wraps a http.ResponseWriter that implements the minimal
+// http.ResponseWriter interface.
+type basicWriter struct {
+	http.ResponseWriter
+	wroteHeader bool
+	code        int
+	bytes       int
+	tee         io.Writer
+}
+
+func (b *basicWriter) WriteHeader(code int) {
+	if !b.wroteHeader {
+		b.code = code
+		b.wroteHeader = true
+		b.ResponseWriter.WriteHeader(code)
+	}
+}
+func (b *basicWriter) Write(buf []byte) (int, error) {
+	b.WriteHeader(http.StatusOK)
+	n, err := b.ResponseWriter.Write(buf)
+	if b.tee != nil {
+		_, err2 := b.tee.Write(buf[:n])
+		// Prefer errors generated by the proxied writer.
+		if err == nil {
+			err = err2
+		}
+	}
+	b.bytes += n
+	return n, err
+}
+func (b *basicWriter) maybeWriteHeader() {
+	if !b.wroteHeader {
+		b.WriteHeader(http.StatusOK)
+	}
+}
+func (b *basicWriter) Status() int {
+	return b.code
+}
+func (b *basicWriter) BytesWritten() int {
+	return b.bytes
+}
+func (b *basicWriter) Tee(w io.Writer) {
+	b.tee = w
+}
+func (b *basicWriter) Unwrap() http.ResponseWriter {
+	return b.ResponseWriter
 }

migrations/00000000_apply_fixtures.go

@@ -0,0 +1,17 @@
+package migrations
+
+import (
+	"github.com/muety/wakapi/config"
+	"gorm.io/gorm"
+)
+
+func init() {
+	f := migrationFunc{
+		name: "000-apply_fixtures",
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			return cfg.GetFixturesFunc(cfg.Db.Dialect)(db)
+		},
+	}
+
+	registerPostMigration(f)
+}

migrations/20201103_rename_language_mappings_table.go

@@ -0,0 +1,32 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	f := migrationFunc{
+		name: "20201103-rename_language_mappings_table",
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			migrator := db.Migrator()
+			oldTableName, newTableName := "custom_rules", "language_mappings"
+			oldIndexName, newIndexName := "idx_customrule_user", "idx_language_mapping_user"
+
+			if migrator.HasTable(oldTableName) {
+				logbuch.Info("renaming '%s' table to '%s'", oldTableName, newTableName)
+				if err := migrator.RenameTable(oldTableName, &models.LanguageMapping{}); err != nil {
+					return err
+				}
+
+				logbuch.Info("renaming '%s' index to '%s'", oldIndexName, newIndexName)
+				return migrator.RenameIndex(&models.LanguageMapping{}, oldIndexName, newIndexName)
+			}
+			return nil
+		},
+	}
+
+	registerPreMigration(f)
+}

migrations/20201106_migration_cascade_constraints.go

@@ -0,0 +1,79 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	const name = "20201106-migration_cascade_constraints"
+
+	f := migrationFunc{
+		name: name,
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			// drop all already existing foreign key constraints
+			// afterwards let them be re-created by auto migrate with the newly introduced cascade settings,
+
+			migrator := db.Migrator()
+
+			if cfg.Db.Dialect == config.SQLDialectSqlite {
+				// https://stackoverflow.com/a/1884893/3112139
+				// unfortunately, we can't migrate existing sqlite databases to the newly introduced cascade settings
+				// things like deleting all summaries won't work in those cases unless an entirely new db is created
+				logbuch.Info("not attempting to drop and regenerate constraints on sqlite")
+				return nil
+			}
+
+			if !migrator.HasTable(&models.KeyStringValue{}) {
+				logbuch.Info("key-value table not yet existing")
+				return nil
+			}
+
+			condition := "key = ?"
+			if cfg.Db.Dialect == config.SQLDialectMysql {
+				condition = "`key` = ?"
+			}
+			lookupResult := db.Where(condition, name).First(&models.KeyStringValue{})
+			if lookupResult.Error == nil && lookupResult.RowsAffected > 0 {
+				logbuch.Info("no need to migrate '%s'", name)
+				return nil
+			}
+
+			// SELECT * FROM INFORMATION_SCHEMA.table_constraints;
+			constraints := map[string]interface{}{
+				"fk_summaries_editors":           &models.SummaryItem{},
+				"fk_summaries_languages":         &models.SummaryItem{},
+				"fk_summaries_machines":          &models.SummaryItem{},
+				"fk_summaries_operating_systems": &models.SummaryItem{},
+				"fk_summaries_projects":          &models.SummaryItem{},
+				"fk_summary_items_summary":       &models.SummaryItem{},
+				"fk_summaries_user":              &models.Summary{},
+				"fk_language_mappings_user":      &models.LanguageMapping{},
+				"fk_heartbeats_user":             &models.Heartbeat{},
+				"fk_aliases_user":                &models.Alias{},
+			}
+
+			for name, table := range constraints {
+				if migrator.HasConstraint(table, name) {
+					logbuch.Info("dropping constraint '%s'", name)
+					if err := migrator.DropConstraint(table, name); err != nil {
+						return err
+					}
+				}
+			}
+
+			if err := db.Create(&models.KeyStringValue{
+				Key:   name,
+				Value: "done",
+			}).Error; err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+
+	registerPreMigration(f)
+}

migrations/20210202_fix_cascade_for_alias_user_constraint.go

@@ -0,0 +1,58 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	const name = "20210202-fix_cascade_for_alias_user_constraint"
+
+	f := migrationFunc{
+		name: name,
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			migrator := db.Migrator()
+
+			if cfg.Db.Dialect == config.SQLDialectSqlite {
+				// see 20201106_migration_cascade_constraints
+				logbuch.Info("not attempting to drop and regenerate constraints on sqlite")
+				return nil
+			}
+
+			if !migrator.HasTable(&models.KeyStringValue{}) {
+				logbuch.Info("key-value table not yet existing")
+				return nil
+			}
+
+			condition := "key = ?"
+			if cfg.Db.Dialect == config.SQLDialectMysql {
+				condition = "`key` = ?"
+			}
+			lookupResult := db.Where(condition, name).First(&models.KeyStringValue{})
+			if lookupResult.Error == nil && lookupResult.RowsAffected > 0 {
+				logbuch.Info("no need to migrate '%s'", name)
+				return nil
+			}
+
+			if migrator.HasConstraint(&models.Alias{}, "fk_aliases_user") {
+				logbuch.Info("dropping constraint 'fk_aliases_user'")
+				if err := migrator.DropConstraint(&models.Alias{}, "fk_aliases_user"); err != nil {
+					return err
+				}
+			}
+
+			if err := db.Create(&models.KeyStringValue{
+				Key:   name,
+				Value: "done",
+			}).Error; err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+
+	registerPreMigration(f)
+}

migrations/20210206_drop_badges_column_add_sharing_flags.go

@@ -0,0 +1,51 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	f := migrationFunc{
+		name: "20210206_drop_badges_column_add_sharing_flags",
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			migrator := db.Migrator()
+
+			if !migrator.HasColumn(&models.User{}, "badges_enabled") {
+				// empty database, nothing to migrate
+				return nil
+			}
+
+			if err := db.Exec("UPDATE users SET share_data_max_days = 30 WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+			if err := db.Exec("UPDATE users SET share_editors = TRUE WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+			if err := db.Exec("UPDATE users SET share_languages = TRUE WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+			if err := db.Exec("UPDATE users SET share_projects = TRUE WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+			if err := db.Exec("UPDATE users SET share_oss = TRUE WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+			if err := db.Exec("UPDATE users SET share_machines = TRUE WHERE badges_enabled = TRUE").Error; err != nil {
+				return err
+			}
+
+			if err := migrator.DropColumn(&models.User{}, "badges_enabled"); err != nil {
+				return err
+			} else {
+				logbuch.Info("dropped column 'badges_enabled' after substituting it by sharing indicators")
+			}
+
+			return nil
+		},
+	}
+
+	registerPostMigration(f)
+}

migrations/fixtures/1_imprint_content.sql

@@ -0,0 +1,8 @@
+-- +migrate Up
+-- SQL in section 'Up' is executed when this migration is applied
+insert into key_string_values ("key", "value") values ('imprint', 'no content here');
+
+-- +migrate Down
+-- SQL section 'Down' is executed when this migration is rolled back
+SET SQL_MODE=ANSI_QUOTES;
+delete from key_string_values where key = 'imprint';

migrations/migrations.go

@@ -0,0 +1,67 @@
+package migrations
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"gorm.io/gorm"
+	"sort"
+	"strings"
+)
+
+type migrationFunc struct {
+	f    func(db *gorm.DB, cfg *config.Config) error
+	name string
+}
+
+type migrationFuncs []migrationFunc
+
+var (
+	preMigrations  migrationFuncs
+	postMigrations migrationFuncs
+)
+
+func registerPreMigration(f migrationFunc) {
+	preMigrations = append(preMigrations, f)
+}
+
+func registerPostMigration(f migrationFunc) {
+	postMigrations = append(postMigrations, f)
+}
+
+// NOTE: Currently, migrations themselves keep track
+// of whether they have run, yet or not, because some
+// simply run on every start.
+
+func RunPreMigrations(db *gorm.DB, cfg *config.Config) {
+	sort.Sort(preMigrations)
+
+	for _, m := range preMigrations {
+		logbuch.Info("potentially running migration '%s'", m.name)
+		if err := m.f(db, cfg); err != nil {
+			logbuch.Fatal("migration '%s' failed – %v", m.name, err)
+		}
+	}
+}
+
+func RunCustomPostMigrations(db *gorm.DB, cfg *config.Config) {
+	sort.Sort(postMigrations)
+
+	for _, m := range postMigrations {
+		logbuch.Info("potentially running migration '%s'", m.name)
+		if err := m.f(db, cfg); err != nil {
+			logbuch.Fatal("migration '%s' failed – %v", m.name, err)
+		}
+	}
+}
+
+func (m migrationFuncs) Len() int {
+	return len(m)
+}
+
+func (m migrationFuncs) Less(i, j int) bool {
+	return strings.Compare(m[i].name, m[j].name) < 0
+}
+
+func (m migrationFuncs) Swap(i, j int) {
+	m[i], m[j] = m[j], m[i]
+}

migrations/sqlite3/1_initial.sql

@@ -1,87 +0,0 @@
--- +migrate Up
--- SQL in section 'Up' is executed when this migration is applied
-create table aliases
-(
-    id      integer primary key autoincrement,
-    type    integer      not null,
-    user_id varchar(255) not null,
-    key     varchar(255) not null,
-    value   varchar(255) not null
-);
-
-create index idx_alias_type_key
-    on aliases (type, key);
-
-create index idx_alias_user
-    on aliases (user_id);
-
-create table summaries
-(
-    id        integer primary key autoincrement,
-    user_id   varchar(255) not null,
-    from_time timestamp default CURRENT_TIMESTAMP not null,
-    to_time   timestamp default CURRENT_TIMESTAMP not null
-);
-
-create index idx_time_summary_user
-    on summaries (user_id, from_time, to_time);
-
-create table summary_items
-(
-    id         integer primary key autoincrement,
-    summary_id integer REFERENCES summaries (id) ON DELETE CASCADE ON UPDATE CASCADE,
-    type       integer,
-    key        varchar(255),
-    total      bigint
-);
-
-create table users
-(
-    id       varchar(255) primary key,
-    api_key  varchar(255) unique,
-    password varchar(255)
-);
-
-create table heartbeats
-(
-    id               integer primary key autoincrement,
-    user_id          varchar(255) not null REFERENCES users (id) ON DELETE RESTRICT ON UPDATE RESTRICT,
-    entity           varchar(255) not null,
-    type             varchar(255),
-    category         varchar(255),
-    project          varchar(255),
-    branch           varchar(255),
-    language         varchar(255),
-    is_write         bool,
-    editor           varchar(255),
-    operating_system varchar(255),
-    time             timestamp default CURRENT_TIMESTAMP
-);
-
-create index idx_entity
-    on heartbeats (entity);
-
-create index idx_language
-    on heartbeats (language);
-
-create index idx_time
-    on heartbeats (time);
-
-create index idx_time_user
-    on heartbeats (user_id, time);
-
-
-
--- +migrate Down
--- SQL section 'Down' is executed when this migration is rolled back
-DROP INDEX idx_alias_user;
-DROP INDEX idx_alias_type_key;
-DROP TABLE aliases;
-DROP INDEX idx_time_summary_user;
-DROP TABLE summaries;
-DROP TABLE summary_items;
-DROP TABLE heartbeats;
-DROP INDEX idx_entity;
-DROP INDEX idx_language;
-DROP INDEX idx_time;
-DROP INDEX idx_time_user;

mocks/alias_repository.go

@@ -0,0 +1,45 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+)
+
+type AliasRepositoryMock struct {
+	mock.Mock
+}
+
+func (m *AliasRepositoryMock) GetByUser(s string) ([]*models.Alias, error) {
+	args := m.Called(s)
+	return args.Get(0).([]*models.Alias), args.Error(1)
+}
+
+func (m *AliasRepositoryMock) GetByUserAndKey(s string, s2 string) ([]*models.Alias, error) {
+	args := m.Called(s, s2)
+	return args.Get(0).([]*models.Alias), args.Error(1)
+}
+
+func (m *AliasRepositoryMock) GetByUserAndKeyAndType(s string, s2 string, u uint8) ([]*models.Alias, error) {
+	args := m.Called(s, s2, u)
+	return args.Get(0).([]*models.Alias), args.Error(1)
+}
+
+func (m *AliasRepositoryMock) GetByUserAndTypeAndValue(s string, u uint8, s2 string) (*models.Alias, error) {
+	args := m.Called(s, u, s2)
+	return args.Get(0).(*models.Alias), args.Error(1)
+}
+
+func (m *AliasRepositoryMock) Insert(s *models.Alias) (*models.Alias, error) {
+	args := m.Called(s)
+	return args.Get(0).(*models.Alias), args.Error(1)
+}
+
+func (m *AliasRepositoryMock) Delete(u uint) error {
+	args := m.Called(u)
+	return args.Error(0)
+}
+
+func (m *AliasRepositoryMock) DeleteBatch(u []uint) error {
+	args := m.Called(u)
+	return args.Error(0)
+}

mocks/alias_service.go

@@ -0,0 +1,50 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+)
+
+type AliasServiceMock struct {
+	mock.Mock
+}
+
+func (m *AliasServiceMock) IsInitialized(s string) bool {
+	args := m.Called(s)
+	return args.Bool(0)
+}
+
+func (m *AliasServiceMock) InitializeUser(s string) error {
+	args := m.Called(s)
+	return args.Error(0)
+}
+
+func (m *AliasServiceMock) GetAliasOrDefault(s string, u uint8, s2 string) (string, error) {
+	args := m.Called(s, u, s2)
+	return args.String(0), args.Error(1)
+}
+
+func (m *AliasServiceMock) GetByUser(s string) ([]*models.Alias, error) {
+	args := m.Called(s)
+	return args.Get(0).([]*models.Alias), args.Error(1)
+}
+
+func (m *AliasServiceMock) GetByUserAndKeyAndType(s string, s2 string, u uint8) ([]*models.Alias, error) {
+	args := m.Called(s, s2, u)
+	return args.Get(0).([]*models.Alias), args.Error(1)
+}
+
+func (m *AliasServiceMock) Create(a *models.Alias) (*models.Alias, error) {
+	args := m.Called(a)
+	return args.Get(0).(*models.Alias), args.Error(1)
+}
+
+func (m *AliasServiceMock) Delete(s *models.Alias) error {
+	args := m.Called(s)
+	return args.Error(0)
+}
+
+func (m *AliasServiceMock) DeleteMulti(a []*models.Alias) error {
+	args := m.Called(a)
+	return args.Error(0)
+}

mocks/heartbeat_service.go

@@ -0,0 +1,46 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+	"time"
+)
+
+type HeartbeatServiceMock struct {
+	mock.Mock
+}
+
+func (m *HeartbeatServiceMock) Insert(heartbeat *models.Heartbeat) error {
+	args := m.Called(heartbeat)
+	return args.Error(0)
+}
+
+func (m *HeartbeatServiceMock) InsertBatch(heartbeats []*models.Heartbeat) error {
+	args := m.Called(heartbeats)
+	return args.Error(0)
+}
+
+func (m *HeartbeatServiceMock) CountByUser(user *models.User) (int64, error) {
+	args := m.Called(user)
+	return args.Get(0).(int64), args.Error(0)
+}
+
+func (m *HeartbeatServiceMock) GetAllWithin(time time.Time, time2 time.Time, user *models.User) ([]*models.Heartbeat, error) {
+	args := m.Called(time, time2, user)
+	return args.Get(0).([]*models.Heartbeat), args.Error(1)
+}
+
+func (m *HeartbeatServiceMock) GetFirstByUsers() ([]*models.TimeByUser, error) {
+	args := m.Called()
+	return args.Get(0).([]*models.TimeByUser), args.Error(1)
+}
+
+func (m *HeartbeatServiceMock) GetLatestByOriginAndUser(s string, user *models.User) (*models.Heartbeat, error) {
+	args := m.Called(s, user)
+	return args.Get(0).(*models.Heartbeat), args.Error(1)
+}
+
+func (m *HeartbeatServiceMock) DeleteBefore(time time.Time) error {
+	args := m.Called(time)
+	return args.Error(0)
+}

mocks/summary_repository.go

@@ -0,0 +1,31 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+	"time"
+)
+
+type SummaryRepositoryMock struct {
+	mock.Mock
+}
+
+func (m *SummaryRepositoryMock) Insert(summary *models.Summary) error {
+	args := m.Called(summary)
+	return args.Error(0)
+}
+
+func (m *SummaryRepositoryMock) GetByUserWithin(user *models.User, time time.Time, time2 time.Time) ([]*models.Summary, error) {
+	args := m.Called(user, time, time2)
+	return args.Get(0).([]*models.Summary), args.Error(1)
+}
+
+func (m *SummaryRepositoryMock) GetLastByUser() ([]*models.TimeByUser, error) {
+	args := m.Called()
+	return args.Get(0).([]*models.TimeByUser), args.Error(1)
+}
+
+func (m *SummaryRepositoryMock) DeleteByUser(s string) error {
+	args := m.Called(s)
+	return args.Error(0)
+}

mocks/user_service.go

@@ -0,0 +1,64 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+)
+
+type UserServiceMock struct {
+	mock.Mock
+}
+
+func (m *UserServiceMock) GetUserById(s string) (*models.User, error) {
+	args := m.Called(s)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) GetUserByKey(s string) (*models.User, error) {
+	args := m.Called(s)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) GetAll() ([]*models.User, error) {
+	args := m.Called()
+	return args.Get(0).([]*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) CreateOrGet(signup *models.Signup) (*models.User, bool, error) {
+	args := m.Called(signup)
+	return args.Get(0).(*models.User), args.Bool(1), args.Error(2)
+}
+
+func (m *UserServiceMock) Update(user *models.User) (*models.User, error) {
+	args := m.Called(user)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) Delete(user *models.User) error {
+	args := m.Called(user)
+	return args.Error(0)
+}
+
+func (m *UserServiceMock) ResetApiKey(user *models.User) (*models.User, error) {
+	args := m.Called(user)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) ToggleBadges(user *models.User) (*models.User, error) {
+	args := m.Called(user)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) SetWakatimeApiKey(user *models.User, s string) (*models.User, error) {
+	args := m.Called(user, s)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) MigrateMd5Password(user *models.User, login *models.Login) (*models.User, error) {
+	args := m.Called(user, login)
+	return args.Get(0).(*models.User), args.Error(1)
+}
+
+func (m *UserServiceMock) FlushCache() {
+	m.Called()
+}

models/alias.go

@@ -3,7 +3,21 @@ package models
 type Alias struct {
 	ID     uint   `gorm:"primary_key"`
 	Type   uint8  `gorm:"not null; index:idx_alias_type_key"`
+	User   *User  `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
 	UserID string `gorm:"not null; index:idx_alias_user"`
 	Key    string `gorm:"not null; index:idx_alias_type_key"`
 	Value  string `gorm:"not null"`
 }
+
+func (a *Alias) IsValid() bool {
+	return a.Key != "" && a.Value != "" && a.validateType()
+}
+
+func (a *Alias) validateType() bool {
+	for _, t := range SummaryTypes() {
+		if a.Type == t {
+			return true
+		}
+	}
+	return false
+}

models/compat/shields/v1/badge.go

@@ -0,0 +1,37 @@
+package v1
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"time"
+)
+
+// https://shields.io/endpoint
+
+const (
+	defaultLabel = "coding time"
+	defaultColor = "#2D3748" // not working
+)
+
+type BadgeData struct {
+	SchemaVersion int    `json:"schemaVersion"`
+	Label         string `json:"label"`
+	Message       string `json:"message"`
+	Color         string `json:"color"`
+}
+
+func NewBadgeDataFrom(summary *models.Summary, filters *models.Filters) *BadgeData {
+	var total time.Duration
+	if hasFilter, _, _ := filters.One(); hasFilter {
+		total = summary.TotalTimeByFilters(filters)
+	} else {
+		total = summary.TotalTime()
+	}
+
+	return &BadgeData{
+		SchemaVersion: 1,
+		Label:         defaultLabel,
+		Message:       utils.FmtWakatimeDuration(total),
+		Color:         defaultColor,
+	}
+}

models/compat/wakatime/v1/all_time.go

@@ -0,0 +1,36 @@
+package v1
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"time"
+)
+
+// https://wakatime.com/developers#all_time_since_today
+
+type AllTimeViewModel struct {
+	Data *AllTimeData `json:"data"`
+}
+
+type AllTimeData struct {
+	TotalSeconds float32 `json:"total_seconds"` // total number of seconds logged since account created
+	Text         string  `json:"text"`          // total time logged since account created as human readable string>
+	IsUpToDate   bool    `json:"is_up_to_date"` // true if the stats are up to date; when false, a 202 response code is returned and stats will be refreshed soon>
+}
+
+func NewAllTimeFrom(summary *models.Summary, filters *models.Filters) *AllTimeViewModel {
+	var total time.Duration
+	if key := filters.Project; key != "" {
+		total = summary.TotalTimeByFilters(filters)
+	} else {
+		total = summary.TotalTime()
+	}
+
+	return &AllTimeViewModel{
+		Data: &AllTimeData{
+			TotalSeconds: float32(total.Seconds()),
+			Text:         utils.FmtWakatimeDuration(total),
+			IsUpToDate:   true,
+		},
+	}
+}

models/compat/wakatime/v1/heartbeat.go

@@ -0,0 +1,25 @@
+package v1
+
+import "github.com/muety/wakapi/models"
+
+type HeartbeatsViewModel struct {
+	Data []*HeartbeatEntry `json:"data"`
+}
+
+// Incomplete, for now, only the subset of fields is implemented
+// that is actually required for the import
+
+type HeartbeatEntry struct {
+	Id            string            `json:"id"`
+	Branch        string            `json:"branch"`
+	Category      string            `json:"category"`
+	Entity        string            `json:"entity"`
+	IsWrite       bool              `json:"is_write"`
+	Language      string            `json:"language"`
+	Project       string            `json:"project"`
+	Time          models.CustomTime `json:"time"`
+	Type          string            `json:"type"`
+	UserId        string            `json:"user_id"`
+	MachineNameId string            `json:"machine_name_id"`
+	UserAgentId   string            `json:"user_agent_id"`
+}

models/compat/wakatime/v1/stats.go

@@ -0,0 +1,78 @@
+package v1
+
+import (
+	"github.com/muety/wakapi/models"
+	"time"
+)
+
+// https://wakatime.com/api/v1/users/current/stats/last_7_days
+// https://pastr.de/p/f2fxg6ragj7z5e7fhsow9rb6
+
+type StatsViewModel struct {
+	Data *StatsData `json:"data"`
+}
+
+type StatsData struct {
+	Username              string            `json:"username"`
+	UserId                string            `json:"user_id"`
+	Start                 time.Time         `json:"start"`
+	End                   time.Time         `json:"end"`
+	TotalSeconds          float64           `json:"total_seconds"`
+	DailyAverage          float64           `json:"daily_average"`
+	DaysIncludingHolidays int               `json:"days_including_holidays"`
+	Editors               []*SummariesEntry `json:"editors"`
+	Languages             []*SummariesEntry `json:"languages"`
+	Machines              []*SummariesEntry `json:"machines"`
+	Projects              []*SummariesEntry `json:"projects"`
+	OperatingSystems      []*SummariesEntry `json:"operating_systems"`
+}
+
+func NewStatsFrom(summary *models.Summary, filters *models.Filters) *StatsViewModel {
+	totalTime := summary.TotalTime()
+	numDays := int(summary.ToTime.T().Sub(summary.FromTime.T()).Hours() / 24)
+
+	data := &StatsData{
+		Username:              summary.UserID,
+		UserId:                summary.UserID,
+		Start:                 summary.FromTime.T(),
+		End:                   summary.ToTime.T(),
+		TotalSeconds:          totalTime.Seconds(),
+		DailyAverage:          totalTime.Seconds() / float64(numDays),
+		DaysIncludingHolidays: numDays,
+	}
+
+	editors := make([]*SummariesEntry, len(summary.Editors))
+	for i, e := range summary.Editors {
+		editors[i] = convertEntry(e, summary.TotalTimeBy(models.SummaryEditor))
+	}
+
+	languages := make([]*SummariesEntry, len(summary.Languages))
+	for i, e := range summary.Languages {
+		languages[i] = convertEntry(e, summary.TotalTimeBy(models.SummaryLanguage))
+	}
+
+	machines := make([]*SummariesEntry, len(summary.Machines))
+	for i, e := range summary.Machines {
+		machines[i] = convertEntry(e, summary.TotalTimeBy(models.SummaryMachine))
+	}
+
+	projects := make([]*SummariesEntry, len(summary.Projects))
+	for i, e := range summary.Projects {
+		projects[i] = convertEntry(e, summary.TotalTimeBy(models.SummaryProject))
+	}
+
+	oss := make([]*SummariesEntry, len(summary.OperatingSystems))
+	for i, e := range summary.OperatingSystems {
+		oss[i] = convertEntry(e, summary.TotalTimeBy(models.SummaryOS))
+	}
+
+	data.Editors = editors
+	data.Languages = languages
+	data.Machines = machines
+	data.Projects = projects
+	data.OperatingSystems = oss
+
+	return &StatsViewModel{
+		Data: data,
+	}
+}

models/compat/wakatime/v1/summaries.go

@@ -0,0 +1,176 @@
+package v1
+
+import (
+	"fmt"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"math"
+	"sync"
+	"time"
+)
+
+// https://wakatime.com/developers#summaries
+// https://pastr.de/v/736450
+
+type SummariesViewModel struct {
+	Data  []*SummariesData `json:"data"`
+	End   time.Time        `json:"end"`
+	Start time.Time        `json:"start"`
+}
+
+type SummariesData struct {
+	Categories       []*SummariesEntry    `json:"categories"`
+	Dependencies     []*SummariesEntry    `json:"dependencies"`
+	Editors          []*SummariesEntry    `json:"editors"`
+	Languages        []*SummariesEntry    `json:"languages"`
+	Machines         []*SummariesEntry    `json:"machines"`
+	OperatingSystems []*SummariesEntry    `json:"operating_systems"`
+	Projects         []*SummariesEntry    `json:"projects"`
+	GrandTotal       *SummariesGrandTotal `json:"grand_total"`
+	Range            *SummariesRange      `json:"range"`
+}
+
+type SummariesEntry struct {
+	Digital      string  `json:"digital"`
+	Hours        int     `json:"hours"`
+	Minutes      int     `json:"minutes"`
+	Name         string  `json:"name"`
+	Percent      float64 `json:"percent"`
+	Seconds      int     `json:"seconds"`
+	Text         string  `json:"text"`
+	TotalSeconds float64 `json:"total_seconds"`
+}
+
+type SummariesGrandTotal struct {
+	Digital      string  `json:"digital"`
+	Hours        int     `json:"hours"`
+	Minutes      int     `json:"minutes"`
+	Text         string  `json:"text"`
+	TotalSeconds float64 `json:"total_seconds"`
+}
+
+type SummariesRange struct {
+	Date     string    `json:"date"`
+	End      time.Time `json:"end"`
+	Start    time.Time `json:"start"`
+	Text     string    `json:"text"`
+	Timezone string    `json:"timezone"`
+}
+
+func NewSummariesFrom(summaries []*models.Summary, filters *models.Filters) *SummariesViewModel {
+	data := make([]*SummariesData, len(summaries))
+	minDate, maxDate := time.Now().Add(1*time.Second), time.Time{}
+
+	for i, s := range summaries {
+		data[i] = newDataFrom(s)
+
+		if s.FromTime.T().Before(minDate) {
+			minDate = s.FromTime.T()
+		}
+		if s.ToTime.T().After(maxDate) {
+			maxDate = s.ToTime.T()
+		}
+	}
+
+	return &SummariesViewModel{
+		Data:  data,
+		End:   maxDate,
+		Start: minDate,
+	}
+}
+
+func newDataFrom(s *models.Summary) *SummariesData {
+	zone, _ := time.Now().Zone()
+	total := s.TotalTime()
+	totalHrs, totalMins := int(total.Hours()), int((total - time.Duration(total.Hours())*time.Hour).Minutes())
+
+	data := &SummariesData{
+		Categories:       make([]*SummariesEntry, 0),
+		Dependencies:     make([]*SummariesEntry, 0),
+		Editors:          make([]*SummariesEntry, len(s.Editors)),
+		Languages:        make([]*SummariesEntry, len(s.Languages)),
+		Machines:         make([]*SummariesEntry, len(s.Machines)),
+		OperatingSystems: make([]*SummariesEntry, len(s.OperatingSystems)),
+		Projects:         make([]*SummariesEntry, len(s.Projects)),
+		GrandTotal: &SummariesGrandTotal{
+			Digital:      fmt.Sprintf("%d:%d", totalHrs, totalMins),
+			Hours:        totalHrs,
+			Minutes:      totalMins,
+			Text:         utils.FmtWakatimeDuration(total),
+			TotalSeconds: total.Seconds(),
+		},
+		Range: &SummariesRange{
+			Date:     time.Now().Format(time.RFC3339),
+			End:      s.ToTime.T(),
+			Start:    s.FromTime.T(),
+			Text:     "",
+			Timezone: zone,
+		},
+	}
+
+	var wg sync.WaitGroup
+	wg.Add(5)
+
+	go func(data *SummariesData) {
+		defer wg.Done()
+		for i, e := range s.Projects {
+			data.Projects[i] = convertEntry(e, s.TotalTimeBy(models.SummaryProject))
+		}
+	}(data)
+
+	go func(data *SummariesData) {
+		defer wg.Done()
+		for i, e := range s.Editors {
+			data.Editors[i] = convertEntry(e, s.TotalTimeBy(models.SummaryEditor))
+		}
+	}(data)
+
+	go func(data *SummariesData) {
+		defer wg.Done()
+		for i, e := range s.Languages {
+			data.Languages[i] = convertEntry(e, s.TotalTimeBy(models.SummaryLanguage))
+
+		}
+	}(data)
+
+	go func(data *SummariesData) {
+		defer wg.Done()
+		for i, e := range s.OperatingSystems {
+			data.OperatingSystems[i] = convertEntry(e, s.TotalTimeBy(models.SummaryOS))
+		}
+	}(data)
+
+	go func(data *SummariesData) {
+		defer wg.Done()
+		for i, e := range s.Machines {
+			data.Machines[i] = convertEntry(e, s.TotalTimeBy(models.SummaryMachine))
+		}
+	}(data)
+
+	wg.Wait()
+	return data
+}
+
+func convertEntry(e *models.SummaryItem, entityTotal time.Duration) *SummariesEntry {
+	// this is a workaround, since currently, the total time of a summary item is mistakenly represented in seconds
+	// TODO: fix some day, while migrating persisted summary items
+	total := e.Total * time.Second
+	hrs := int(total.Hours())
+	mins := int((total - time.Duration(hrs)*time.Hour).Minutes())
+	secs := int((total - time.Duration(hrs)*time.Hour - time.Duration(mins)*time.Minute).Seconds())
+	percentage := math.Round((total.Seconds()/entityTotal.Seconds())*1e4) / 100
+	if math.IsNaN(percentage) || math.IsInf(percentage, 0) {
+		percentage = 0
+	}
+
+	return &SummariesEntry{
+		Digital:      fmt.Sprintf("%d:%d:%d", hrs, mins, secs),
+		Hours:        hrs,
+		Minutes:      mins,
+		Name:         e.Key,
+		Percent:      percentage,
+		Seconds:      secs,
+		Text:         utils.FmtWakatimeDuration(total),
+		TotalSeconds: total.Seconds(),
+	}
+}

models/compat/wakatime/v1/user_agent.go

@@ -0,0 +1,12 @@
+package v1
+
+type UserAgentsViewModel struct {
+	Data []*UserAgentEntry `json:"data"`
+}
+
+type UserAgentEntry struct {
+	Id     string `json:"id"`
+	Editor string `json:"editor"`
+	Os     string `json:"os"`
+	Value  string `json:"value"`
+}

models/config.go

@@ -1,181 +0,0 @@
-package models
-
-import (
-	"encoding/json"
-	"github.com/gorilla/securecookie"
-	"github.com/joho/godotenv"
-	"gopkg.in/ini.v1"
-	"io/ioutil"
-	"log"
-	"os"
-	"strconv"
-	"strings"
-)
-
-var cfg *Config
-
-type Config struct {
-	Env                 string
-	Version             string
-	Port                int
-	Addr                string
-	BasePath            string
-	DbHost              string
-	DbPort              uint
-	DbUser              string
-	DbPassword          string
-	DbName              string
-	DbDialect           string
-	DbMaxConn           uint
-	CleanUp             bool
-	DefaultUserName     string
-	DefaultUserPassword string
-	// this is actually a pepper (https://en.wikipedia.org/wiki/Pepper_(cryptography))
-	PasswordSalt         string
-	SecureCookieHashKey  string
-	SecureCookieBlockKey string
-	InsecureCookies      bool
-	CustomLanguages      map[string]string
-	LanguageColors       map[string]string
-	SecureCookie         *securecookie.SecureCookie
-}
-
-func (c *Config) IsDev() bool {
-	return IsDev(c.Env)
-}
-
-func IsDev(env string) bool {
-	return env == "dev" || env == "development"
-}
-
-func SetConfig(config *Config) {
-	cfg = config
-}
-
-func GetConfig() *Config {
-	return cfg
-}
-
-func LookupFatal(key string) string {
-	v, ok := os.LookupEnv(key)
-	if !ok {
-		log.Fatalf("missing env variable '%s'", key)
-	}
-	return v
-}
-
-func readVersion() string {
-	file, err := os.Open("version.txt")
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer file.Close()
-
-	bytes, err := ioutil.ReadAll(file)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return string(bytes)
-}
-
-func readConfig() *Config {
-	if err := godotenv.Load(); err != nil {
-		log.Fatal(err)
-	}
-
-	version := readVersion()
-
-	env := LookupFatal("ENV")
-	dbType := LookupFatal("WAKAPI_DB_TYPE")
-	dbUser := LookupFatal("WAKAPI_DB_USER")
-	dbPassword := LookupFatal("WAKAPI_DB_PASSWORD")
-	dbHost := LookupFatal("WAKAPI_DB_HOST")
-	dbName := LookupFatal("WAKAPI_DB_NAME")
-	dbPortStr := LookupFatal("WAKAPI_DB_PORT")
-	passwordSalt := LookupFatal("WAKAPI_PASSWORD_SALT")
-	defaultUserName := LookupFatal("WAKAPI_DEFAULT_USER_NAME")
-	defaultUserPassword := LookupFatal("WAKAPI_DEFAULT_USER_PASSWORD")
-	dbPort, err := strconv.Atoi(dbPortStr)
-
-	cfg, err := ini.Load("config.ini")
-	if err != nil {
-		log.Fatalf("Fail to read file: %v", err)
-	}
-
-	if dbType == "" {
-		dbType = "mysql"
-	}
-
-	dbMaxConn := cfg.Section("database").Key("max_connections").MustUint(1)
-	addr := cfg.Section("server").Key("listen").MustString("127.0.0.1")
-	insecureCookies := IsDev(env) || cfg.Section("server").Key("insecure_cookies").MustBool(false)
-	port, err := strconv.Atoi(os.Getenv("PORT"))
-	if err != nil {
-		port = cfg.Section("server").Key("port").MustInt()
-	}
-
-	basePath := cfg.Section("server").Key("base_path").MustString("/")
-	if strings.HasSuffix(basePath, "/") {
-		basePath = basePath[:len(basePath)-1]
-	}
-
-	cleanUp := cfg.Section("app").Key("cleanup").MustBool(false)
-
-	// Read custom languages
-	customLangs := make(map[string]string)
-	languageKeys := cfg.Section("languages").Keys()
-	for _, k := range languageKeys {
-		customLangs[k.Name()] = k.MustString("unknown")
-	}
-
-	// Read language colors
-	// Source: https://raw.githubusercontent.com/ozh/github-colors/master/colors.json
-	var colors = make(map[string]string)
-	var rawColors map[string]struct {
-		Color string `json:"color"`
-		Url   string `json:"url"`
-	}
-
-	data, err := ioutil.ReadFile("data/colors.json")
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if err := json.Unmarshal(data, &rawColors); err != nil {
-		log.Fatal(err)
-	}
-
-	for k, v := range rawColors {
-		colors[strings.ToLower(k)] = v.Color
-	}
-
-	// TODO: Read keys from env, so that users are not logged out every time the server is restarted
-	secureCookie := securecookie.New(
-		securecookie.GenerateRandomKey(64),
-		securecookie.GenerateRandomKey(32),
-	)
-
-	return &Config{
-		Env:                 env,
-		Version:             version,
-		Port:                port,
-		Addr:                addr,
-		BasePath:            basePath,
-		DbHost:              dbHost,
-		DbPort:              uint(dbPort),
-		DbUser:              dbUser,
-		DbPassword:          dbPassword,
-		DbName:              dbName,
-		DbDialect:           dbType,
-		DbMaxConn:           dbMaxConn,
-		CleanUp:             cleanUp,
-		InsecureCookies:     insecureCookies,
-		SecureCookie:        secureCookie,
-		PasswordSalt:        passwordSalt,
-		DefaultUserName:     defaultUserName,
-		DefaultUserPassword: defaultUserPassword,
-		CustomLanguages:     customLangs,
-		LanguageColors:      colors,
-	}
-}

models/filters.go

@@ -0,0 +1,45 @@
+package models
+
+type Filters struct {
+	Project  string
+	OS       string
+	Language string
+	Editor   string
+	Machine  string
+}
+
+type FilterElement struct {
+	Type uint8
+	Key  string
+}
+
+func NewFiltersWith(entity uint8, key string) *Filters {
+	switch entity {
+	case SummaryProject:
+		return &Filters{Project: key}
+	case SummaryOS:
+		return &Filters{OS: key}
+	case SummaryLanguage:
+		return &Filters{Language: key}
+	case SummaryEditor:
+		return &Filters{Editor: key}
+	case SummaryMachine:
+		return &Filters{Machine: key}
+	}
+	return &Filters{}
+}
+
+func (f *Filters) One() (bool, uint8, string) {
+	if f.Project != "" {
+		return true, SummaryProject, f.Project
+	} else if f.OS != "" {
+		return true, SummaryOS, f.OS
+	} else if f.Language != "" {
+		return true, SummaryLanguage, f.Language
+	} else if f.Editor != "" {
+		return true, SummaryEditor, f.Editor
+	} else if f.Machine != "" {
+		return true, SummaryMachine, f.Machine
+	}
+	return false, 0, ""
+}

models/heartbeat.go

@@ -1,95 +1,103 @@
 package models
 
 import (
-	"database/sql/driver"
-	"errors"
 	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/mitchellh/hashstructure/v2"
 	"regexp"
-	"strconv"
-	"strings"
 	"time"
 )
 
-type HeartbeatReqTime time.Time
-
 type Heartbeat struct {
-	ID              uint             `gorm:"primary_key"`
-	User            *User            `json:"-" gorm:"not null"`
-	UserID          string           `json:"-" gorm:"not null; index:idx_time_user"`
-	Entity          string           `json:"entity" gorm:"not null; index:idx_entity"`
-	Type            string           `json:"type"`
-	Category        string           `json:"category"`
-	Project         string           `json:"project"`
-	Branch          string           `json:"branch"`
-	Language        string           `json:"language" gorm:"index:idx_language"`
-	IsWrite         bool             `json:"is_write"`
-	Editor          string           `json:"editor"`
-	OperatingSystem string           `json:"operating_system"`
-	Time            HeartbeatReqTime `json:"time" gorm:"type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time,idx_time_user"`
-	languageRegex   *regexp.Regexp
+	ID              uint           `gorm:"primary_key" hash:"ignore"`
+	User            *User          `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;" hash:"ignore"`
+	UserID          string         `json:"-" gorm:"not null; index:idx_time_user"`
+	Entity          string         `json:"entity" gorm:"not null; index:idx_entity"`
+	Type            string         `json:"type"`
+	Category        string         `json:"category"`
+	Project         string         `json:"project"`
+	Branch          string         `json:"branch"`
+	Language        string         `json:"language" gorm:"index:idx_language"`
+	IsWrite         bool           `json:"is_write"`
+	Editor          string         `json:"editor" hash:"ignore"`           // ignored because editor might be parsed differently by wakatime
+	OperatingSystem string         `json:"operating_system" hash:"ignore"` // ignored because os might be parsed differently by wakatime
+	Machine         string         `json:"machine" hash:"ignore"`          // ignored because wakatime api doesn't return machines currently
+	Time            CustomTime     `json:"time" gorm:"type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time,idx_time_user" swaggertype:"primitive,number"`
+	Hash            string         `json:"-" gorm:"type:varchar(17); uniqueIndex"`
+	Origin          string         `json:"-" hash:"ignore"`
+	OriginId        string         `json:"-" hash:"ignore"`
+	languageRegex   *regexp.Regexp `hash:"ignore"`
 }
 
 func (h *Heartbeat) Valid() bool {
-	return h.User != nil && h.UserID != "" && h.Time != HeartbeatReqTime(time.Time{})
+	return h.User != nil && h.UserID != "" && h.User.ID == h.UserID && h.Time != CustomTime(time.Time{})
 }
 
-func (h *Heartbeat) Augment(customLangs map[string]string) {
-	if h.Language == "" {
-		if h.languageRegex == nil {
-			h.languageRegex = regexp.MustCompile(`^.+\.(.+)$`)
-		}
-		groups := h.languageRegex.FindAllStringSubmatch(h.Entity, -1)
-		if len(groups) == 0 || len(groups[0]) != 2 {
-			return
-		}
-		ending := groups[0][1]
-		if _, ok := customLangs[ending]; !ok {
-			return
-		}
-		h.Language, _ = customLangs[ending]
+func (h *Heartbeat) Augment(languageMappings map[string]string) {
+	if h.languageRegex == nil {
+		h.languageRegex = regexp.MustCompile(`^.+\.(.+)$`)
 	}
+	groups := h.languageRegex.FindAllStringSubmatch(h.Entity, -1)
+	if len(groups) == 0 || len(groups[0]) != 2 {
+		return
+	}
+	ending := groups[0][1]
+	if _, ok := languageMappings[ending]; !ok {
+		return
+	}
+	h.Language, _ = languageMappings[ending]
 }
 
-func (j *HeartbeatReqTime) UnmarshalJSON(b []byte) error {
-	s := strings.Split(strings.Trim(string(b), "\""), ".")[0]
-	i, err := strconv.ParseInt(s, 10, 64)
+func (h *Heartbeat) GetKey(t uint8) (key string) {
+	switch t {
+	case SummaryProject:
+		key = h.Project
+	case SummaryEditor:
+		key = h.Editor
+	case SummaryLanguage:
+		key = h.Language
+	case SummaryOS:
+		key = h.OperatingSystem
+	case SummaryMachine:
+		key = h.Machine
+	}
+
+	if key == "" {
+		key = UnknownSummaryKey
+	}
+
+	return key
+}
+
+func (h *Heartbeat) String() string {
+	return fmt.Sprintf(
+		"Heartbeat {user=%s, entity=%s, type=%s, category=%s, project=%s, branch=%s, language=%s, iswrite=%v, editor=%s, os=%s, machine=%s, time=%d}",
+		h.UserID,
+		h.Entity,
+		h.Type,
+		h.Category,
+		h.Project,
+		h.Branch,
+		h.Language,
+		h.IsWrite,
+		h.Editor,
+		h.OperatingSystem,
+		h.Machine,
+		(time.Time(h.Time)).UnixNano(),
+	)
+}
+
+// Hash is used to prevent duplicate heartbeats
+// Using a UNIQUE INDEX over all relevant columns would be more straightforward,
+// whereas manually computing this kind of hash is quite cumbersome. However,
+// such a unique index would, according to https://stackoverflow.com/q/65980064/3112139,
+// essentially double the space required for heartbeats, so we decided to go this way.
+
+func (h *Heartbeat) Hashed() *Heartbeat {
+	hash, err := hashstructure.Hash(h, hashstructure.FormatV2, nil)
 	if err != nil {
-		return err
+		logbuch.Error("CRITICAL ERROR: failed to hash struct – %v", err)
 	}
-	t := time.Unix(i, 0)
-	*j = HeartbeatReqTime(t)
-	return nil
-}
-
-func (j *HeartbeatReqTime) Scan(value interface{}) error {
-	switch value.(type) {
-	case string:
-		t, err := time.Parse("2006-01-02 15:04:05-07:00", value.(string))
-		if err != nil {
-			return errors.New(fmt.Sprintf("unsupported date time format: %s", value))
-		}
-		*j = HeartbeatReqTime(t)
-	case int64:
-		*j = HeartbeatReqTime(time.Unix(value.(int64), 0))
-		break
-	case time.Time:
-		*j = HeartbeatReqTime(value.(time.Time))
-		break
-	default:
-		return errors.New(fmt.Sprintf("unsupported type: %T", value))
-	}
-	return nil
-}
-
-func (j HeartbeatReqTime) Value() (driver.Value, error) {
-	return time.Time(j), nil
-}
-
-func (j HeartbeatReqTime) String() string {
-	t := time.Time(j)
-	return t.Format("2006-01-02 15:04:05")
-}
-
-func (j HeartbeatReqTime) Time() time.Time {
-	return time.Time(j)
+	h.Hash = fmt.Sprintf("%x", hash) // "uint64 values with high bit set are not supported"
+	return h
 }

models/heartbeat_test.go

@@ -0,0 +1,53 @@
+package models
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestHeartbeat_Valid_Success(t *testing.T) {
+	sut := &Heartbeat{
+		User: &User{
+			ID: "johndoe@example.org",
+		},
+		UserID: "johndoe@example.org",
+		Time:   CustomTime(time.Now()),
+	}
+	assert.True(t, sut.Valid())
+}
+
+func TestHeartbeat_Valid_MissingUser(t *testing.T) {
+	sut := &Heartbeat{
+		Time: CustomTime(time.Now()),
+	}
+	assert.False(t, sut.Valid())
+}
+
+func TestHeartbeat_Augment(t *testing.T) {
+	testMappings := map[string]string{
+		"py": "Python3",
+	}
+
+	sut := &Heartbeat{
+		Entity:   "~/dev/file.py",
+		Language: "Python",
+	}
+
+	sut.Augment(testMappings)
+
+	assert.Equal(t, "Python3", sut.Language)
+}
+
+func TestHeartbeat_GetKey(t *testing.T) {
+	sut := &Heartbeat{
+		Project: "wakapi",
+	}
+
+	assert.Equal(t, "wakapi", sut.GetKey(SummaryProject))
+	assert.Equal(t, UnknownSummaryKey, sut.GetKey(SummaryOS))
+	assert.Equal(t, UnknownSummaryKey, sut.GetKey(SummaryMachine))
+	assert.Equal(t, UnknownSummaryKey, sut.GetKey(SummaryLanguage))
+	assert.Equal(t, UnknownSummaryKey, sut.GetKey(SummaryEditor))
+	assert.Equal(t, UnknownSummaryKey, sut.GetKey(255))
+}

models/heartbeats.go

@@ -0,0 +1,38 @@
+package models
+
+import "sort"
+
+type Heartbeats []*Heartbeat
+
+func (h Heartbeats) Len() int {
+	return len(h)
+}
+
+func (h Heartbeats) Less(i, j int) bool {
+	return h[i].Time.T().Before(h[j].Time.T())
+}
+
+func (h Heartbeats) Swap(i, j int) {
+	h[i], h[j] = h[j], h[i]
+}
+
+func (h *Heartbeats) Sorted() *Heartbeats {
+	sort.Sort(h)
+	return h
+}
+
+func (h *Heartbeats) First() *Heartbeat {
+	// assumes slice to be sorted
+	if h.Len() == 0 {
+		return nil
+	}
+	return (*h)[0]
+}
+
+func (h *Heartbeats) Last() *Heartbeat {
+	// assumes slice to be sorted
+	if h.Len() == 0 {
+		return nil
+	}
+	return (*h)[h.Len()-1]
+}

models/interval.go

@@ -0,0 +1,46 @@
+package models
+
+// Support Wakapi and WakaTime range / interval identifiers
+// See https://wakatime.com/developers/#summaries
+var (
+	IntervalToday              = &IntervalKey{"today", "Today"}
+	IntervalYesterday          = &IntervalKey{"day", "yesterday", "Yesterday"}
+	IntervalThisWeek           = &IntervalKey{"week", "This Week"}
+	IntervalLastWeek           = &IntervalKey{"Last Week"}
+	IntervalThisMonth          = &IntervalKey{"month", "This Month"}
+	IntervalLastMonth          = &IntervalKey{"Last Month"}
+	IntervalThisYear           = &IntervalKey{"year"}
+	IntervalPast7Days          = &IntervalKey{"7_days", "last_7_days", "Last 7 Days"}
+	IntervalPast7DaysYesterday = &IntervalKey{"Last 7 Days from Yesterday"}
+	IntervalPast14Days         = &IntervalKey{"Last 14 Days"}
+	IntervalPast30Days         = &IntervalKey{"30_days", "last_30_days", "Last 30 Days"}
+	IntervalPast12Months       = &IntervalKey{"12_months", "last_12_months"}
+	IntervalAny                = &IntervalKey{"any"}
+)
+
+var AllIntervals = []*IntervalKey{
+	IntervalToday,
+	IntervalYesterday,
+	IntervalThisWeek,
+	IntervalLastWeek,
+	IntervalThisMonth,
+	IntervalLastMonth,
+	IntervalThisYear,
+	IntervalPast7Days,
+	IntervalPast7DaysYesterday,
+	IntervalPast14Days,
+	IntervalPast30Days,
+	IntervalPast12Months,
+	IntervalAny,
+}
+
+type IntervalKey []string
+
+func (k *IntervalKey) HasAlias(s string) bool {
+	for _, e := range *k {
+		if e == s {
+			return true
+		}
+	}
+	return false
+}

models/language_mapping.go

@@ -0,0 +1,21 @@
+package models
+
+type LanguageMapping struct {
+	ID        uint   `json:"id" gorm:"primary_key"`
+	User      *User  `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	UserID    string `json:"-" gorm:"not null; index:idx_language_mapping_user; uniqueIndex:idx_language_mapping_composite"`
+	Extension string `json:"extension" gorm:"uniqueIndex:idx_language_mapping_composite; type:varchar(16)"`
+	Language  string `json:"language" gorm:"type:varchar(64)"`
+}
+
+func (m *LanguageMapping) IsValid() bool {
+	return m.validateLanguage() && m.validateExtension()
+}
+
+func (m *LanguageMapping) validateLanguage() bool {
+	return len(m.Language) >= 1
+}
+
+func (m *LanguageMapping) validateExtension() bool {
+	return len(m.Extension) >= 1
+}

models/models.go

@@ -1,5 +1,5 @@
 package models
 
 func init() {
-	SetConfig(readConfig())
+	// nothing no init here, yet
 }

models/shared.go

@@ -1,6 +1,99 @@
 package models
 
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"gorm.io/gorm"
+	"math"
+	"strconv"
+	"strings"
+	"time"
+)
+
 const (
 	UserKey       = "user"
+	ImprintKey    = "imprint"
 	AuthCookieKey = "wakapi_auth"
 )
+
+type MigrationFunc func(db *gorm.DB) error
+
+type KeyStringValue struct {
+	Key   string `gorm:"primary_key"`
+	Value string `gorm:"type:text"`
+}
+
+type Interval struct {
+	Start time.Time
+	End   time.Time
+}
+
+type CustomTime time.Time
+
+func (j *CustomTime) MarshalJSON() ([]byte, error) {
+	return json.Marshal(j.String())
+}
+
+func (j *CustomTime) UnmarshalJSON(b []byte) error {
+	s := strings.Replace(strings.Trim(string(b), "\""), ".", "", 1)
+	i, err := strconv.ParseInt(s, 10, 64)
+	if err != nil {
+		return err
+	}
+	t := time.Unix(0, i*int64(math.Pow10(19-len(s))))
+	*j = CustomTime(t)
+	return nil
+}
+
+// heartbeat timestamps arrive as strings for sqlite and as time.Time for postgres
+func (j *CustomTime) Scan(value interface{}) error {
+	var (
+		t   time.Time
+		err error
+	)
+
+	switch value.(type) {
+	case string:
+		t, err = time.Parse("2006-01-02 15:04:05-07:00", value.(string))
+		if err != nil {
+			return errors.New(fmt.Sprintf("unsupported date time format: %s", value))
+		}
+	case int64:
+		t = time.Unix(0, value.(int64))
+		break
+	case time.Time:
+		t = value.(time.Time)
+		break
+	default:
+		return errors.New(fmt.Sprintf("unsupported type: %T", value))
+	}
+
+	t = time.Unix(0, (t.UnixNano()/int64(time.Millisecond))*int64(time.Millisecond)) // round to millisecond precision
+	*j = CustomTime(t)
+
+	return nil
+}
+
+func (j *CustomTime) Hash() (uint64, error) {
+	return uint64((j.T().UnixNano() / 1000) / 1000), nil
+}
+
+func (j CustomTime) Value() (driver.Value, error) {
+	t := time.Unix(0, j.T().UnixNano()/int64(time.Millisecond)*int64(time.Millisecond)) // round to millisecond precision
+	return t, nil
+}
+
+func (j CustomTime) String() string {
+	t := time.Time(j)
+	return t.Format("2006-01-02 15:04:05.000")
+}
+
+func (j CustomTime) T() time.Time {
+	return time.Time(j)
+}
+
+func (j CustomTime) Valid() bool {
+	return j.T().Unix() >= 0
+}

models/summary.go

@@ -1,34 +1,43 @@
 package models
 
 import (
+	"sort"
 	"time"
 )
 
 const (
-	NSummaryTypes   uint8 = 4
+	NSummaryTypes   uint8 = 99
 	SummaryProject  uint8 = 0
 	SummaryLanguage uint8 = 1
 	SummaryEditor   uint8 = 2
 	SummaryOS       uint8 = 3
+	SummaryMachine  uint8 = 4
 )
 
+const UnknownSummaryKey = "unknown"
+
 type Summary struct {
-	ID               uint           `json:"-" gorm:"primary_key"`
-	UserID           string         `json:"user_id" gorm:"not null; index:idx_time_summary_user"`
-	FromTime         time.Time      `json:"from" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
-	ToTime           time.Time      `json:"to" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
-	Projects         []*SummaryItem `json:"projects"`
-	Languages        []*SummaryItem `json:"languages"`
-	Editors          []*SummaryItem `json:"editors"`
-	OperatingSystems []*SummaryItem `json:"operating_systems"`
+	ID               uint         `json:"-" gorm:"primary_key"`
+	User             *User        `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	UserID           string       `json:"user_id" gorm:"not null; index:idx_time_summary_user"`
+	FromTime         CustomTime   `json:"from" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user" swaggertype:"string" format:"date" example:"2006-01-02 15:04:05.000"`
+	ToTime           CustomTime   `json:"to" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user" swaggertype:"string" format:"date" example:"2006-01-02 15:04:05.000"`
+	Projects         SummaryItems `json:"projects" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	Languages        SummaryItems `json:"languages" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	Editors          SummaryItems `json:"editors" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	OperatingSystems SummaryItems `json:"operating_systems" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	Machines         SummaryItems `json:"machines" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
 }
 
+type SummaryItems []*SummaryItem
+
 type SummaryItem struct {
 	ID        uint          `json:"-" gorm:"primary_key"`
+	Summary   *Summary      `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
 	SummaryID uint          `json:"-"`
 	Type      uint8         `json:"-"`
 	Key       string        `json:"key"`
-	Total     time.Duration `json:"total"`
+	Total     time.Duration `json:"total" swaggertype:"primitive,integer"`
 }
 
 type SummaryItemContainer struct {
@@ -39,7 +48,194 @@ type SummaryItemContainer struct {
 type SummaryViewModel struct {
 	*Summary
 	LanguageColors map[string]string
+	EditorColors   map[string]string
+	OSColors       map[string]string
 	Error          string
 	Success        string
 	ApiKey         string
 }
+
+type SummaryParams struct {
+	From      time.Time
+	To        time.Time
+	User      *User
+	Recompute bool
+}
+
+type AliasResolver func(t uint8, k string) string
+
+func SummaryTypes() []uint8 {
+	return []uint8{SummaryProject, SummaryLanguage, SummaryEditor, SummaryOS, SummaryMachine}
+}
+
+func (s *Summary) Sorted() *Summary {
+	sort.Sort(sort.Reverse(s.Projects))
+	sort.Sort(sort.Reverse(s.Machines))
+	sort.Sort(sort.Reverse(s.OperatingSystems))
+	sort.Sort(sort.Reverse(s.Languages))
+	sort.Sort(sort.Reverse(s.Editors))
+	return s
+}
+
+func (s *Summary) Types() []uint8 {
+	return SummaryTypes()
+}
+
+func (s *Summary) MappedItems() map[uint8]*SummaryItems {
+	return map[uint8]*SummaryItems{
+		SummaryProject:  &s.Projects,
+		SummaryLanguage: &s.Languages,
+		SummaryEditor:   &s.Editors,
+		SummaryOS:       &s.OperatingSystems,
+		SummaryMachine:  &s.Machines,
+	}
+}
+
+/* Augments the summary in a way that at least one item is present for every type.
+If a summary has zero items for a given type, but one or more for any of the other types,
+the total summary duration can be derived from those and inserted as a dummy-item with key "unknown"
+for the missing type.
+For instance, the machine type was introduced post hoc. Accordingly, no "machine"-information is present in
+the data for old heartbeats and summaries. If a user has two years of data without machine information and
+one day with such, a "machine"-chart plotted from that data will reference a way smaller absolute total amount
+of time than the other ones.
+To avoid having to modify persisted data retrospectively, i.e. inserting a dummy SummaryItem for the new type,
+such is generated dynamically here, considering the "machine" for all old heartbeats "unknown".
+*/
+func (s *Summary) FillUnknown() {
+	types := s.Types()
+	typeItems := s.MappedItems()
+	missingTypes := make([]uint8, 0)
+
+	for _, t := range types {
+		if len(*typeItems[t]) == 0 {
+			missingTypes = append(missingTypes, t)
+		}
+	}
+
+	// can't proceed if entire summary is empty
+	if len(missingTypes) == len(types) {
+		return
+	}
+
+	timeSum := s.TotalTime()
+
+	// construct dummy item for all missing types
+	for _, t := range missingTypes {
+		*typeItems[t] = append(*typeItems[t], &SummaryItem{
+			Type:  t,
+			Key:   UnknownSummaryKey,
+			Total: timeSum,
+		})
+	}
+}
+
+func (s *Summary) TotalTime() time.Duration {
+	var timeSum time.Duration
+
+	mappedItems := s.MappedItems()
+	// calculate total duration from any of the present sets of items
+	for _, t := range s.Types() {
+		if items := mappedItems[t]; len(*items) > 0 {
+			for _, item := range *items {
+				timeSum += item.Total
+			}
+			break
+		}
+	}
+
+	return timeSum * time.Second
+}
+
+func (s *Summary) TotalTimeBy(entityType uint8) (timeSum time.Duration) {
+	mappedItems := s.MappedItems()
+	if items := mappedItems[entityType]; len(*items) > 0 {
+		for _, item := range *items {
+			timeSum = timeSum + item.Total*time.Second
+		}
+	}
+	return timeSum
+}
+
+func (s *Summary) TotalTimeByKey(entityType uint8, key string) (timeSum time.Duration) {
+	mappedItems := s.MappedItems()
+	if items := mappedItems[entityType]; len(*items) > 0 {
+		for _, item := range *items {
+			if item.Key != key {
+				continue
+			}
+			timeSum = timeSum + item.Total*time.Second
+		}
+	}
+	return timeSum
+}
+
+func (s *Summary) TotalTimeByFilters(filters *Filters) time.Duration {
+	do, typeId, key := filters.One()
+	if do {
+		return s.TotalTimeByKey(typeId, key)
+	}
+	return 0
+}
+
+func (s *Summary) WithResolvedAliases(resolve AliasResolver) *Summary {
+	processAliases := func(origin []*SummaryItem) []*SummaryItem {
+		target := make([]*SummaryItem, 0)
+
+		findItem := func(key string) *SummaryItem {
+			for _, item := range target {
+				if item.Key == key {
+					return item
+				}
+			}
+			return nil
+		}
+
+		for _, item := range origin {
+			// Add all "top-level" items, i.e. such without aliases
+			if key := resolve(item.Type, item.Key); key == item.Key {
+				target = append(target, item)
+			}
+		}
+
+		for _, item := range origin {
+			// Add all remaining projects and merge with their alias
+			if key := resolve(item.Type, item.Key); key != item.Key {
+				if targetItem := findItem(key); targetItem != nil {
+					targetItem.Total += item.Total
+				} else {
+					target = append(target, &SummaryItem{
+						ID:        item.ID,
+						SummaryID: item.SummaryID,
+						Type:      item.Type,
+						Key:       key,
+						Total:     item.Total,
+					})
+				}
+			}
+		}
+
+		return target
+	}
+
+	// Resolve aliases
+	s.Projects = processAliases(s.Projects)
+	s.Editors = processAliases(s.Editors)
+	s.Languages = processAliases(s.Languages)
+	s.OperatingSystems = processAliases(s.OperatingSystems)
+	s.Machines = processAliases(s.Machines)
+
+	return s
+}
+
+func (s SummaryItems) Len() int {
+	return len(s)
+}
+
+func (s SummaryItems) Less(i, j int) bool {
+	return s[i].Total < s[j].Total
+}
+
+func (s SummaryItems) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}

models/summary_test.go

@@ -0,0 +1,202 @@
+package models
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+	"time"
+)
+
+func TestSummary_FillUnknown(t *testing.T) {
+	testDuration := 10 * time.Minute
+
+	sut := &Summary{
+		Projects: []*SummaryItem{
+			{
+				Type: SummaryProject,
+				Key:  "wakapi",
+				// hack to work around the issue that the total time of a summary item is mistakenly represented in seconds
+				Total: testDuration / time.Second,
+			},
+		},
+	}
+
+	sut.FillUnknown()
+
+	itemLists := [][]*SummaryItem{
+		sut.Machines,
+		sut.OperatingSystems,
+		sut.Languages,
+		sut.Editors,
+	}
+	for _, l := range itemLists {
+		assert.Len(t, l, 1)
+		assert.Equal(t, UnknownSummaryKey, l[0].Key)
+		assert.Equal(t, testDuration, l[0].Total)
+	}
+}
+
+func TestSummary_TotalTimeBy(t *testing.T) {
+	testDuration1, testDuration2, testDuration3 := 10*time.Minute, 5*time.Minute, 20*time.Minute
+
+	sut := &Summary{
+		Projects: []*SummaryItem{
+			{
+				Type: SummaryProject,
+				Key:  "wakapi",
+				// hack to work around the issue that the total time of a summary item is mistakenly represented in seconds
+				Total: testDuration1 / time.Second,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "anchr",
+				Total: testDuration2 / time.Second,
+			},
+		},
+		Languages: []*SummaryItem{
+			{
+				Type:  SummaryLanguage,
+				Key:   "Go",
+				Total: testDuration3 / time.Second,
+			},
+		},
+	}
+
+	assert.Equal(t, testDuration1+testDuration2, sut.TotalTimeBy(SummaryProject))
+	assert.Equal(t, testDuration3, sut.TotalTimeBy(SummaryLanguage))
+	assert.Zero(t, sut.TotalTimeBy(SummaryEditor))
+	assert.Zero(t, sut.TotalTimeBy(SummaryMachine))
+	assert.Zero(t, sut.TotalTimeBy(SummaryOS))
+}
+
+func TestSummary_TotalTimeByFilters(t *testing.T) {
+	testDuration1, testDuration2, testDuration3 := 10*time.Minute, 5*time.Minute, 20*time.Minute
+
+	sut := &Summary{
+		Projects: []*SummaryItem{
+			{
+				Type: SummaryProject,
+				Key:  "wakapi",
+				// hack to work around the issue that the total time of a summary item is mistakenly represented in seconds
+				Total: testDuration1 / time.Second,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "anchr",
+				Total: testDuration2 / time.Second,
+			},
+		},
+		Languages: []*SummaryItem{
+			{
+				Type:  SummaryLanguage,
+				Key:   "Go",
+				Total: testDuration3 / time.Second,
+			},
+		},
+	}
+
+	// Specifying filters about multiple entites is not supported at the moment
+	// as the current, very rudimentary, time calculation logic wouldn't make sense then.
+	// Evaluating a filter like (project="wakapi", language="go") can only be realized
+	// before computing the summary in the first place, because afterwards we can't know
+	// what time coded in "Go" was in the "Wakapi" project
+	// See https://github.com/muety/wakapi/issues/108
+
+	filters1 := &Filters{Project: "wakapi"}
+	filters2 := &Filters{Language: "Go"}
+	filters3 := &Filters{}
+
+	assert.Equal(t, testDuration1, sut.TotalTimeByFilters(filters1))
+	assert.Equal(t, testDuration3, sut.TotalTimeByFilters(filters2))
+	assert.Zero(t, sut.TotalTimeByFilters(filters3))
+}
+
+func TestSummary_WithResolvedAliases(t *testing.T) {
+	testDuration1, testDuration2, testDuration3, testDuration4 := 10*time.Minute, 5*time.Minute, 1*time.Minute, 20*time.Minute
+
+	var resolver AliasResolver = func(t uint8, k string) string {
+		switch t {
+		case SummaryProject:
+			switch k {
+			case "wakapi-mobile":
+				return "wakapi"
+			}
+		case SummaryLanguage:
+			switch k {
+			case "Java 8":
+				return "Java"
+			}
+		}
+		return k
+	}
+
+	sut := &Summary{
+		Projects: []*SummaryItem{
+			{
+				Type:  SummaryProject,
+				Key:   "wakapi",
+				Total: testDuration1 / time.Second,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "wakapi-mobile",
+				Total: testDuration2 / time.Second,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "anchr",
+				Total: testDuration3 / time.Second,
+			},
+		},
+		Languages: []*SummaryItem{
+			{
+				Type:  SummaryLanguage,
+				Key:   "Java 8",
+				Total: testDuration4 / time.Second,
+			},
+		},
+	}
+
+	sut = sut.WithResolvedAliases(resolver)
+
+	assert.Equal(t, testDuration1+testDuration2, sut.TotalTimeByKey(SummaryProject, "wakapi"))
+	assert.Zero(t, sut.TotalTimeByKey(SummaryProject, "wakapi-mobile"))
+	assert.Equal(t, testDuration3, sut.TotalTimeByKey(SummaryProject, "anchr"))
+	assert.Equal(t, testDuration4, sut.TotalTimeByKey(SummaryLanguage, "Java"))
+	assert.Zero(t, sut.TotalTimeByKey(SummaryLanguage, "wakapi"))
+	assert.Zero(t, sut.TotalTimeByKey(SummaryProject, "Java 8"))
+	assert.Len(t, sut.Projects, 2)
+	assert.Len(t, sut.Languages, 1)
+	assert.Empty(t, sut.Editors)
+	assert.Empty(t, sut.OperatingSystems)
+	assert.Empty(t, sut.Machines)
+}
+
+func TestSummaryItems_Sorted(t *testing.T) {
+	testDuration1, testDuration2, testDuration3 := 10*time.Minute, 5*time.Minute, 20*time.Minute
+
+	sut := &Summary{
+		Projects: []*SummaryItem{
+			{
+				Type:  SummaryProject,
+				Key:   "wakapi",
+				Total: testDuration1,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "anchr",
+				Total: testDuration2,
+			},
+			{
+				Type:  SummaryProject,
+				Key:   "anchr-mobile",
+				Total: testDuration3,
+			},
+		},
+	}
+
+	sut = sut.Sorted()
+
+	assert.Equal(t, testDuration3, sut.Projects[0].Total)
+	assert.Equal(t, testDuration1, sut.Projects[1].Total)
+	assert.Equal(t, testDuration2, sut.Projects[2].Total)
+}

models/user.go

@@ -1,9 +1,18 @@
 package models
 
 type User struct {
-	ID       string `json:"id" gorm:"primary_key"`
-	ApiKey   string `json:"api_key" gorm:"unique"`
-	Password string `json:"-"`
+	ID               string     `json:"id" gorm:"primary_key"`
+	ApiKey           string     `json:"api_key" gorm:"unique"`
+	Password         string     `json:"-"`
+	CreatedAt        CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP" swaggertype:"string" format:"date" example:"2006-01-02 15:04:05.000"`
+	LastLoggedInAt   CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP" swaggertype:"string" format:"date" example:"2006-01-02 15:04:05.000"`
+	ShareDataMaxDays int        `json:"-" gorm:"default:0"`
+	ShareEditors     bool       `json:"-" gorm:"default:false; type:bool"`
+	ShareLanguages   bool       `json:"-" gorm:"default:false; type:bool"`
+	ShareProjects    bool       `json:"-" gorm:"default:false; type:bool"`
+	ShareOSs         bool       `json:"-" gorm:"default:false; type:bool; column:share_oss"`
+	ShareMachines    bool       `json:"-" gorm:"default:false; type:bool"`
+	WakatimeApiKey   string     `json:"-"`
 }
 
 type Login struct {
@@ -17,8 +26,32 @@ type Signup struct {
 	PasswordRepeat string `schema:"password_repeat"`
 }
 
+type CredentialsReset struct {
+	PasswordOld    string `schema:"password_old"`
+	PasswordNew    string `schema:"password_new"`
+	PasswordRepeat string `schema:"password_repeat"`
+}
+
+type TimeByUser struct {
+	User string
+	Time CustomTime
+}
+
+func (c *CredentialsReset) IsValid() bool {
+	return validatePassword(c.PasswordNew) &&
+		c.PasswordNew == c.PasswordRepeat
+}
+
 func (s *Signup) IsValid() bool {
-	return len(s.Username) >= 3 &&
-		len(s.Password) >= 6 &&
+	return validateUsername(s.Username) &&
+		validatePassword(s.Password) &&
 		s.Password == s.PasswordRepeat
 }
+
+func validateUsername(username string) bool {
+	return len(username) >= 1 && username != "current"
+}
+
+func validatePassword(password string) bool {
+	return len(password) >= 6
+}

models/view/home.go

@@ -0,0 +1,18 @@
+package view
+
+type HomeViewModel struct {
+	Success    string
+	Error      string
+	TotalHours int
+	TotalUsers int
+}
+
+func (s *HomeViewModel) WithSuccess(m string) *HomeViewModel {
+	s.Success = m
+	return s
+}
+
+func (s *HomeViewModel) WithError(m string) *HomeViewModel {
+	s.Error = m
+	return s
+}

models/view/imprint.go

@@ -0,0 +1,22 @@
+package view
+
+type ImprintViewModel struct {
+	HtmlText string
+	Success  string
+	Error    string
+}
+
+func (s *ImprintViewModel) WithSuccess(m string) *ImprintViewModel {
+	s.Success = m
+	return s
+}
+
+func (s *ImprintViewModel) WithError(m string) *ImprintViewModel {
+	s.Error = m
+	return s
+}
+
+func (s *ImprintViewModel) WithHtmlText(t string) *ImprintViewModel {
+	s.HtmlText = t
+	return s
+}

models/view/login.go

@@ -0,0 +1,16 @@
+package view
+
+type LoginViewModel struct {
+	Success string
+	Error   string
+}
+
+func (s *LoginViewModel) WithSuccess(m string) *LoginViewModel {
+	s.Success = m
+	return s
+}
+
+func (s *LoginViewModel) WithError(m string) *LoginViewModel {
+	s.Error = m
+	return s
+}

models/view/settings.go

@@ -0,0 +1,27 @@
+package view
+
+import "github.com/muety/wakapi/models"
+
+type SettingsViewModel struct {
+	User             *models.User
+	LanguageMappings []*models.LanguageMapping
+	Aliases          []*SettingsVMCombinedAlias
+	Success          string
+	Error            string
+}
+
+type SettingsVMCombinedAlias struct {
+	Key    string
+	Type   uint8
+	Values []string
+}
+
+func (s *SettingsViewModel) WithSuccess(m string) *SettingsViewModel {
+	s.Success = m
+	return s
+}
+
+func (s *SettingsViewModel) WithError(m string) *SettingsViewModel {
+	s.Error = m
+	return s
+}

models/view/summary.go

@@ -0,0 +1,16 @@
+package view
+
+type SummaryViewModel struct {
+	Success string
+	Error   string
+}
+
+func (s *SummaryViewModel) WithSuccess(m string) *SummaryViewModel {
+	s.Success = m
+	return s
+}
+
+func (s *SummaryViewModel) WithError(m string) *SummaryViewModel {
+	s.Error = m
+	return s
+}

repositories/alias.go

@@ -0,0 +1,89 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type AliasRepository struct {
+	db *gorm.DB
+}
+
+func NewAliasRepository(db *gorm.DB) *AliasRepository {
+	return &AliasRepository{db: db}
+}
+
+func (r *AliasRepository) GetByUser(userId string) ([]*models.Alias, error) {
+	var aliases []*models.Alias
+	if err := r.db.
+		Where(&models.Alias{UserID: userId}).
+		Find(&aliases).Error; err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
+
+func (r *AliasRepository) GetByUserAndKey(userId, key string) ([]*models.Alias, error) {
+	var aliases []*models.Alias
+	if err := r.db.
+		Where(&models.Alias{
+			UserID: userId,
+			Key:    key,
+		}).
+		Find(&aliases).Error; err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
+
+func (r *AliasRepository) GetByUserAndKeyAndType(userId, key string, summaryType uint8) ([]*models.Alias, error) {
+	var aliases []*models.Alias
+	if err := r.db.
+		Where(&models.Alias{
+			UserID: userId,
+			Key:    key,
+			Type:   summaryType,
+		}).
+		Find(&aliases).Error; err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
+
+func (r *AliasRepository) GetByUserAndTypeAndValue(userId string, summaryType uint8, value string) (*models.Alias, error) {
+	alias := &models.Alias{}
+	if err := r.db.
+		Where(&models.Alias{
+			UserID: userId,
+			Type:   summaryType,
+			Value:  value,
+		}).
+		First(alias).Error; err != nil {
+		return nil, err
+	}
+	return alias, nil
+}
+
+func (r *AliasRepository) Insert(alias *models.Alias) (*models.Alias, error) {
+	if !alias.IsValid() {
+		return nil, errors.New("invalid alias")
+	}
+	result := r.db.Create(alias)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+	return alias, nil
+}
+
+func (r *AliasRepository) Delete(id uint) error {
+	return r.db.
+		Where("id = ?", id).
+		Delete(models.Alias{}).Error
+}
+
+func (r *AliasRepository) DeleteBatch(ids []uint) error {
+	return r.db.
+		Where("id IN ?", ids).
+		Delete(models.Alias{}).Error
+}

repositories/heartbeart.go

@@ -0,0 +1,85 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"time"
+)
+
+type HeartbeatRepository struct {
+	db *gorm.DB
+}
+
+func NewHeartbeatRepository(db *gorm.DB) *HeartbeatRepository {
+	return &HeartbeatRepository{db: db}
+}
+
+func (r *HeartbeatRepository) InsertBatch(heartbeats []*models.Heartbeat) error {
+	if err := r.db.
+		Clauses(clause.OnConflict{
+			DoNothing: true,
+		}).
+		Create(&heartbeats).Error; err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *HeartbeatRepository) CountByUser(user *models.User) (int64, error) {
+	var count int64
+	if err := r.db.
+		Model(&models.Heartbeat{}).
+		Where(&models.Heartbeat{UserID: user.ID}).
+		Count(&count).Error; err != nil {
+		return 0, err
+	}
+	return count, nil
+}
+
+func (r *HeartbeatRepository) GetLatestByOriginAndUser(origin string, user *models.User) (*models.Heartbeat, error) {
+	var heartbeat models.Heartbeat
+	if err := r.db.
+		Model(&models.Heartbeat{}).
+		Where(&models.Heartbeat{
+			UserID: user.ID,
+			Origin: origin,
+		}).
+		Order("time desc").
+		First(&heartbeat).Error; err != nil {
+		return nil, err
+	}
+	return &heartbeat, nil
+}
+
+func (r *HeartbeatRepository) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
+	var heartbeats []*models.Heartbeat
+	if err := r.db.
+		Where(&models.Heartbeat{UserID: user.ID}).
+		Where("time >= ?", from).
+		Where("time < ?", to).
+		Order("time asc").
+		Find(&heartbeats).Error; err != nil {
+		return nil, err
+	}
+	return heartbeats, nil
+}
+
+func (r *HeartbeatRepository) GetFirstByUsers() ([]*models.TimeByUser, error) {
+	var result []*models.TimeByUser
+	r.db.Model(&models.User{}).
+		Select("users.id as user, min(time) as time").
+		Joins("left join heartbeats on users.id = heartbeats.user_id").
+		Group("user").
+		Scan(&result)
+	return result, nil
+}
+
+func (r *HeartbeatRepository) DeleteBefore(t time.Time) error {
+	if err := r.db.
+		Where("time <= ?", t).
+		Delete(models.Heartbeat{}).Error; err != nil {
+		return err
+	}
+	return nil
+}

repositories/key_value.go

@@ -0,0 +1,63 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+type KeyValueRepository struct {
+	db *gorm.DB
+}
+
+func NewKeyValueRepository(db *gorm.DB) *KeyValueRepository {
+	return &KeyValueRepository{db: db}
+}
+
+func (r *KeyValueRepository) GetString(key string) (*models.KeyStringValue, error) {
+	kv := &models.KeyStringValue{}
+	if err := r.db.
+		Where(&models.KeyStringValue{Key: key}).
+		First(&kv).Error; err != nil {
+		return nil, err
+	}
+
+	return kv, nil
+}
+
+func (r *KeyValueRepository) PutString(kv *models.KeyStringValue) error {
+	result := r.db.
+		Clauses(clause.OnConflict{
+			UpdateAll: true,
+		}).
+		Where(&models.KeyStringValue{Key: kv.Key}).
+		Assign(kv).
+		Create(kv)
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		logbuch.Warn("did not insert key '%s', maybe just updated?", kv.Key)
+	}
+
+	return nil
+}
+
+func (r *KeyValueRepository) DeleteString(key string) error {
+	result := r.db.
+		Delete(&models.KeyStringValue{}, &models.KeyStringValue{Key: key})
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		return errors.New("nothing deleted")
+	}
+
+	return nil
+}

repositories/language_mapping.go

@@ -0,0 +1,52 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type LanguageMappingRepository struct {
+	config *config.Config
+	db     *gorm.DB
+}
+
+func NewLanguageMappingRepository(db *gorm.DB) *LanguageMappingRepository {
+	return &LanguageMappingRepository{config: config.Get(), db: db}
+}
+
+func (r *LanguageMappingRepository) GetById(id uint) (*models.LanguageMapping, error) {
+	mapping := &models.LanguageMapping{}
+	if err := r.db.Where(&models.LanguageMapping{ID: id}).First(mapping).Error; err != nil {
+		return mapping, err
+	}
+	return mapping, nil
+}
+
+func (r *LanguageMappingRepository) GetByUser(userId string) ([]*models.LanguageMapping, error) {
+	var mappings []*models.LanguageMapping
+	if err := r.db.
+		Where(&models.LanguageMapping{UserID: userId}).
+		Find(&mappings).Error; err != nil {
+		return mappings, err
+	}
+	return mappings, nil
+}
+
+func (r *LanguageMappingRepository) Insert(mapping *models.LanguageMapping) (*models.LanguageMapping, error) {
+	if !mapping.IsValid() {
+		return nil, errors.New("invalid mapping")
+	}
+	result := r.db.Create(mapping)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+	return mapping, nil
+}
+
+func (r *LanguageMappingRepository) Delete(id uint) error {
+	return r.db.
+		Where("id = ?", id).
+		Delete(models.LanguageMapping{}).Error
+}

repositories/repositories.go

@@ -0,0 +1,55 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"time"
+)
+
+type IAliasRepository interface {
+	Insert(*models.Alias) (*models.Alias, error)
+	Delete(uint) error
+	DeleteBatch([]uint) error
+	GetByUser(string) ([]*models.Alias, error)
+	GetByUserAndKey(string, string) ([]*models.Alias, error)
+	GetByUserAndKeyAndType(string, string, uint8) ([]*models.Alias, error)
+	GetByUserAndTypeAndValue(string, uint8, string) (*models.Alias, error)
+}
+
+type IHeartbeatRepository interface {
+	InsertBatch([]*models.Heartbeat) error
+	CountByUser(*models.User) (int64, error)
+	GetAllWithin(time.Time, time.Time, *models.User) ([]*models.Heartbeat, error)
+	GetFirstByUsers() ([]*models.TimeByUser, error)
+	GetLatestByOriginAndUser(string, *models.User) (*models.Heartbeat, error)
+	DeleteBefore(time.Time) error
+}
+
+type IKeyValueRepository interface {
+	GetString(string) (*models.KeyStringValue, error)
+	PutString(*models.KeyStringValue) error
+	DeleteString(string) error
+}
+
+type ILanguageMappingRepository interface {
+	GetById(uint) (*models.LanguageMapping, error)
+	GetByUser(string) ([]*models.LanguageMapping, error)
+	Insert(*models.LanguageMapping) (*models.LanguageMapping, error)
+	Delete(uint) error
+}
+
+type ISummaryRepository interface {
+	Insert(*models.Summary) error
+	GetByUserWithin(*models.User, time.Time, time.Time) ([]*models.Summary, error)
+	GetLastByUser() ([]*models.TimeByUser, error)
+	DeleteByUser(string) error
+}
+
+type IUserRepository interface {
+	GetById(string) (*models.User, error)
+	GetByApiKey(string) (*models.User, error)
+	GetAll() ([]*models.User, error)
+	InsertOrGet(*models.User) (*models.User, bool, error)
+	Update(*models.User) (*models.User, error)
+	UpdateField(*models.User, string, interface{}) (*models.User, error)
+	Delete(*models.User) error
+}

repositories/summary.go

@@ -0,0 +1,59 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+	"time"
+)
+
+type SummaryRepository struct {
+	db *gorm.DB
+}
+
+func NewSummaryRepository(db *gorm.DB) *SummaryRepository {
+	return &SummaryRepository{db: db}
+}
+
+func (r *SummaryRepository) Insert(summary *models.Summary) error {
+	if err := r.db.Create(summary).Error; err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *SummaryRepository) GetByUserWithin(user *models.User, from, to time.Time) ([]*models.Summary, error) {
+	var summaries []*models.Summary
+	if err := r.db.
+		Where(&models.Summary{UserID: user.ID}).
+		Where("from_time >= ?", from).
+		Where("to_time <= ?", to).
+		Order("from_time asc").
+		Preload("Projects", "type = ?", models.SummaryProject).
+		Preload("Languages", "type = ?", models.SummaryLanguage).
+		Preload("Editors", "type = ?", models.SummaryEditor).
+		Preload("OperatingSystems", "type = ?", models.SummaryOS).
+		Preload("Machines", "type = ?", models.SummaryMachine).
+		Find(&summaries).Error; err != nil {
+		return nil, err
+	}
+	return summaries, nil
+}
+
+func (r *SummaryRepository) GetLastByUser() ([]*models.TimeByUser, error) {
+	var result []*models.TimeByUser
+	r.db.Model(&models.User{}).
+		Select("users.id as user, max(to_time) as time").
+		Joins("left join summaries on users.id = summaries.user_id").
+		Group("user").
+		Scan(&result)
+	return result, nil
+}
+
+func (r *SummaryRepository) DeleteByUser(userId string) error {
+	if err := r.db.
+		Where("user_id = ?", userId).
+		Delete(models.Summary{}).Error; err != nil {
+		return err
+	}
+	return nil
+}

repositories/user.go

@@ -0,0 +1,97 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type UserRepository struct {
+	db *gorm.DB
+}
+
+func NewUserRepository(db *gorm.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+func (r *UserRepository) GetById(userId string) (*models.User, error) {
+	u := &models.User{}
+	if err := r.db.Where(&models.User{ID: userId}).First(u).Error; err != nil {
+		return u, err
+	}
+	return u, nil
+}
+
+func (r *UserRepository) GetByApiKey(key string) (*models.User, error) {
+	u := &models.User{}
+	if err := r.db.Where(&models.User{ApiKey: key}).First(u).Error; err != nil {
+		return u, err
+	}
+	return u, nil
+}
+
+func (r *UserRepository) GetAll() ([]*models.User, error) {
+	var users []*models.User
+	if err := r.db.
+		Where(&models.User{}).
+		Find(&users).Error; err != nil {
+		return nil, err
+	}
+	return users, nil
+}
+
+func (r *UserRepository) InsertOrGet(user *models.User) (*models.User, bool, error) {
+	result := r.db.FirstOrCreate(user, &models.User{ID: user.ID})
+	if err := result.Error; err != nil {
+		return nil, false, err
+	}
+
+	if result.RowsAffected == 1 {
+		return user, true, nil
+	}
+
+	return user, false, nil
+}
+
+func (r *UserRepository) Update(user *models.User) (*models.User, error) {
+	updateMap := map[string]interface{}{
+		"api_key":             user.ApiKey,
+		"password":            user.Password,
+		"last_logged_in_at":   user.LastLoggedInAt,
+		"share_data_max_days": user.ShareDataMaxDays,
+		"share_editors":       user.ShareEditors,
+		"share_languages":     user.ShareLanguages,
+		"share_oss":           user.ShareOSs,
+		"share_projects":      user.ShareProjects,
+		"share_machines":      user.ShareMachines,
+		"wakatime_api_key":    user.WakatimeApiKey,
+	}
+
+	result := r.db.Model(user).Updates(updateMap)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+
+	if result.RowsAffected != 1 {
+		return nil, errors.New("nothing updated")
+	}
+
+	return user, nil
+}
+
+func (r *UserRepository) UpdateField(user *models.User, key string, value interface{}) (*models.User, error) {
+	result := r.db.Model(user).Update(key, value)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+
+	if result.RowsAffected != 1 {
+		return nil, errors.New("nothing updated")
+	}
+
+	return user, nil
+}
+
+func (r *UserRepository) Delete(user *models.User) error {
+	return r.db.Delete(user).Error
+}

routes/api/health.go

@@ -0,0 +1,39 @@
+package api
+
+import (
+	"fmt"
+	"github.com/gorilla/mux"
+	"gorm.io/gorm"
+	"net/http"
+)
+
+type HealthApiHandler struct {
+	db *gorm.DB
+}
+
+func NewHealthApiHandler(db *gorm.DB) *HealthApiHandler {
+	return &HealthApiHandler{db: db}
+}
+
+func (h *HealthApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/health").Subrouter()
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// @Summary Check the application's health status
+// @ID get-health
+// @Tags misc
+// @Produce plain
+// @Success 200 {string} string
+// @Router /health [get]
+func (h *HealthApiHandler) Get(w http.ResponseWriter, r *http.Request) {
+	var dbStatus int
+	if sqlDb, err := h.db.DB(); err == nil {
+		if err := sqlDb.Ping(); err == nil {
+			dbStatus = 1
+		}
+	}
+
+	w.Header().Set("Content-Type", "text/plain")
+	w.Write([]byte(fmt.Sprintf("app=1\ndb=%d", dbStatus)))
+}

routes/api/heartbeat.go

@@ -0,0 +1,108 @@
+package api
+
+import (
+	"encoding/json"
+	"github.com/emvi/logbuch"
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	customMiddleware "github.com/muety/wakapi/middlewares/custom"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+
+	"github.com/muety/wakapi/models"
+)
+
+type HeartbeatApiHandler struct {
+	config              *conf.Config
+	userSrvc            services.IUserService
+	heartbeatSrvc       services.IHeartbeatService
+	languageMappingSrvc services.ILanguageMappingService
+}
+
+func NewHeartbeatApiHandler(userService services.IUserService, heartbeatService services.IHeartbeatService, languageMappingService services.ILanguageMappingService) *HeartbeatApiHandler {
+	return &HeartbeatApiHandler{
+		config:              conf.Get(),
+		userSrvc:            userService,
+		heartbeatSrvc:       heartbeatService,
+		languageMappingSrvc: languageMappingService,
+	}
+}
+
+type heartbeatResponseVm struct {
+	Responses [][]interface{} `json:"responses"`
+}
+
+func (h *HeartbeatApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/heartbeat").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+		customMiddleware.NewWakatimeRelayMiddleware().Handler,
+	)
+	r.Methods(http.MethodPost).HandlerFunc(h.Post)
+}
+
+// @Summary Push a new heartbeat
+// @ID post-heartbeat
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body models.Heartbeat true "A heartbeat"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /heartbeat [post]
+func (h *HeartbeatApiHandler) Post(w http.ResponseWriter, r *http.Request) {
+	var heartbeats []*models.Heartbeat
+	user := r.Context().Value(models.UserKey).(*models.User)
+	opSys, editor, _ := utils.ParseUserAgent(r.Header.Get("User-Agent"))
+	machineName := r.Header.Get("X-Machine-Name")
+
+	dec := json.NewDecoder(r.Body)
+	if err := dec.Decode(&heartbeats); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	for _, hb := range heartbeats {
+		hb.OperatingSystem = opSys
+		hb.Editor = editor
+		hb.Machine = machineName
+		hb.User = user
+		hb.UserID = user.ID
+
+		if !hb.Valid() {
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte("Invalid heartbeat object."))
+			return
+		}
+
+		hb.Hashed()
+	}
+
+	if err := h.heartbeatSrvc.InsertBatch(heartbeats); err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		logbuch.Error(err.Error())
+		return
+	}
+
+	utils.RespondJSON(w, http.StatusCreated, constructSuccessResponse(len(heartbeats)))
+}
+
+// construct weird response format (see https://github.com/wakatime/wakatime/blob/2e636d389bf5da4e998e05d5285a96ce2c181e3d/wakatime/api.py#L288)
+// to make the cli consider all heartbeats to having been successfully saved
+// response looks like: { "responses": [ [ { "data": {...} }, 201 ], ... ] }
+func constructSuccessResponse(n int) *heartbeatResponseVm {
+	responses := make([][]interface{}, n)
+
+	for i := 0; i < n; i++ {
+		r := make([]interface{}, 2)
+		r[0] = nil
+		r[1] = http.StatusCreated
+		responses[i] = r
+	}
+
+	return &heartbeatResponseVm{
+		Responses: responses,
+	}
+}

routes/api/summary.go

@@ -0,0 +1,55 @@
+package api
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	su "github.com/muety/wakapi/routes/utils"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+)
+
+type SummaryApiHandler struct {
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
+}
+
+func NewSummaryApiHandler(userService services.IUserService, summaryService services.ISummaryService) *SummaryApiHandler {
+	return &SummaryApiHandler{
+		summarySrvc: summaryService,
+		userSrvc:    userService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *SummaryApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/summary").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// @Summary Retrieve a summary
+// @ID get-summary
+// @Tags summary
+// @Produce json
+// @Param interval query string false "Interval identifier" Enums(today, yesterday, week, month, year, 7_days, last_7_days, 30_days, last_30_days, 12_months, last_12_months, any)
+// @Param from query string false "Start date (e.g. '2021-02-07')"
+// @Param to query string false "End date (e.g. '2021-02-08')"
+// @Param recompute query bool false "Whether to recompute the summary from raw heartbeat or use cache"
+// @Security ApiKeyAuth
+// @Success 200 {object} models.Summary
+// @Router /summary [get]
+func (h *SummaryApiHandler) Get(w http.ResponseWriter, r *http.Request) {
+	summary, err, status := su.LoadUserSummary(h.summarySrvc, r)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	utils.RespondJSON(w, http.StatusOK, summary)
+}

routes/compat/shields/v1/badge.go

@@ -0,0 +1,138 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/shields/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"regexp"
+	"strings"
+	"time"
+)
+
+const (
+	intervalPattern     = `interval:([a-z0-9_]+)`
+	entityFilterPattern = `(project|os|editor|language|machine):([_a-zA-Z0-9-]+)`
+)
+
+type BadgeHandler struct {
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
+}
+
+func NewBadgeHandler(summaryService services.ISummaryService, userService services.IUserService) *BadgeHandler {
+	return &BadgeHandler{
+		summarySrvc: summaryService,
+		userSrvc:    userService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *BadgeHandler) RegisterRoutes(router *mux.Router) {
+	// no auth middleware here, handler itself resolves the user
+	r := router.PathPrefix("/compat/shields/v1/{user}").Subrouter()
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// @Summary Get badge data
+// @Description Retrieve total time for a given entity (e.g. a project) within a given range (e.g. one week) in a format compatible with [Shields.io](https://shields.io/endpoint). Requires public data access to be allowed.
+// @ID get-badge
+// @Tags badges
+// @Produce json
+// @Param user path string true "User ID to fetch data for"
+// @Param interval path string true "Interval to aggregate data for" Enums(today, yesterday, week, month, year, 7_days, last_7_days, 30_days, last_30_days, 12_months, last_12_months, any)
+// @Param filter path string true "Filter to apply (e.g. 'project:wakapi' or 'language:Go')"
+// @Success 200 {object} v1.BadgeData
+// @Router /compat/shields/v1/{user}/{interval}/{filter} [get]
+func (h *BadgeHandler) Get(w http.ResponseWriter, r *http.Request) {
+	intervalReg := regexp.MustCompile(intervalPattern)
+	entityFilterReg := regexp.MustCompile(entityFilterPattern)
+
+	if userAgent := r.Header.Get("user-agent"); !strings.HasPrefix(userAgent, "Shields.io/") && !h.config.IsDev() {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	var filterEntity, filterKey string
+	if groups := entityFilterReg.FindStringSubmatch(r.URL.Path); len(groups) > 2 {
+		filterEntity, filterKey = groups[1], groups[2]
+	}
+
+	var interval = models.IntervalPast30Days
+	if groups := intervalReg.FindStringSubmatch(r.URL.Path); len(groups) > 1 {
+		if i, err := utils.ParseInterval(groups[1]); err == nil {
+			interval = i
+		}
+	}
+
+	requestedUserId := mux.Vars(r)["user"]
+	user, err := h.userSrvc.GetUserById(requestedUserId)
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	_, rangeFrom, rangeTo := utils.ResolveInterval(interval)
+	minStart := utils.StartOfDay(rangeTo.Add(-24 * time.Hour * time.Duration(user.ShareDataMaxDays)))
+	// negative value means no limit
+	if rangeFrom.Before(minStart) && user.ShareDataMaxDays >= 0 {
+		w.WriteHeader(http.StatusForbidden)
+		w.Write([]byte("requested time range too broad"))
+		return
+	}
+
+	var filters *models.Filters
+	switch filterEntity {
+	case "project":
+		filters = models.NewFiltersWith(models.SummaryProject, filterKey)
+	case "os":
+		filters = models.NewFiltersWith(models.SummaryOS, filterKey)
+	case "editor":
+		filters = models.NewFiltersWith(models.SummaryEditor, filterKey)
+	case "language":
+		filters = models.NewFiltersWith(models.SummaryLanguage, filterKey)
+	case "machine":
+		filters = models.NewFiltersWith(models.SummaryMachine, filterKey)
+	default:
+		filters = &models.Filters{}
+	}
+
+	summary, err, status := h.loadUserSummary(user, interval)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	vm := v1.NewBadgeDataFrom(summary, filters)
+	utils.RespondJSON(w, http.StatusOK, vm)
+}
+
+func (h *BadgeHandler) loadUserSummary(user *models.User, interval *models.IntervalKey) (*models.Summary, error, int) {
+	err, from, to := utils.ResolveInterval(interval)
+	if err != nil {
+		return nil, err, http.StatusBadRequest
+	}
+
+	summaryParams := &models.SummaryParams{
+		From: from,
+		To:   to,
+		User: user,
+	}
+
+	var retrieveSummary services.SummaryRetriever = h.summarySrvc.Retrieve
+	if summaryParams.Recompute {
+		retrieveSummary = h.summarySrvc.Summarize
+	}
+
+	summary, err := h.summarySrvc.Aliased(summaryParams.From, summaryParams.To, summaryParams.User, retrieveSummary)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}

routes/compat/wakatime/v1/all_time.go

@@ -0,0 +1,89 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type AllTimeHandler struct {
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
+}
+
+func NewAllTimeHandler(userService services.IUserService, summaryService services.ISummaryService) *AllTimeHandler {
+	return &AllTimeHandler{
+		userSrvc:    userService,
+		summarySrvc: summaryService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *AllTimeHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/compat/wakatime/v1/users/{user}/all_time_since_today").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// @Summary Retrieve summary for all time
+// @Description Mimics https://wakatime.com/developers#all_time_since_today
+// @ID get-all-time
+// @Tags wakatime
+// @Produce json
+// @Param user path string true "User ID to fetch data for (or 'current')"
+// @Security ApiKeyAuth
+// @Success 200 {object} v1.AllTimeViewModel
+// @Router /compat/wakatime/v1/users/{user}/all_time_since_today [get]
+func (h *AllTimeHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	values, _ := url.ParseQuery(r.URL.RawQuery)
+
+	requestedUser := vars["user"]
+	authorizedUser := r.Context().Value(models.UserKey).(*models.User)
+
+	if requestedUser != authorizedUser.ID && requestedUser != "current" {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	summary, err, status := h.loadUserSummary(authorizedUser)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	vm := v1.NewAllTimeFrom(summary, models.NewFiltersWith(models.SummaryProject, values.Get("project")))
+	utils.RespondJSON(w, http.StatusOK, vm)
+}
+
+func (h *AllTimeHandler) loadUserSummary(user *models.User) (*models.Summary, error, int) {
+	summaryParams := &models.SummaryParams{
+		From:      time.Time{},
+		To:        time.Now(),
+		User:      user,
+		Recompute: false,
+	}
+
+	var retrieveSummary services.SummaryRetriever = h.summarySrvc.Retrieve
+	if summaryParams.Recompute {
+		retrieveSummary = h.summarySrvc.Summarize
+	}
+
+	summary, err := h.summarySrvc.Aliased(summaryParams.From, summaryParams.To, summaryParams.User, retrieveSummary)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}

routes/compat/wakatime/v1/stats.go

@@ -0,0 +1,117 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"time"
+)
+
+type StatsHandler struct {
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
+}
+
+func NewStatsHandler(userService services.IUserService, summaryService services.ISummaryService) *StatsHandler {
+	return &StatsHandler{
+		userSrvc:    userService,
+		summarySrvc: summaryService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *StatsHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).WithOptionalFor([]string{"/"}).Handler,
+	)
+	r.Path("/v1/users/{user}/stats/{range}").Methods(http.MethodGet).HandlerFunc(h.Get)
+	r.Path("/compat/wakatime/v1/users/{user}/stats/{range}").Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// TODO: support filtering (requires https://github.com/muety/wakapi/issues/108)
+
+func (h *StatsHandler) Get(w http.ResponseWriter, r *http.Request) {
+	var vars = mux.Vars(r)
+	var authorizedUser, requestedUser *models.User
+
+	if u := r.Context().Value(models.UserKey); u != nil {
+		authorizedUser = u.(*models.User)
+	}
+
+	if authorizedUser != nil && vars["user"] == "current" {
+		vars["user"] = authorizedUser.ID
+	}
+
+	requestedUser, err := h.userSrvc.GetUserById(vars["user"])
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		w.Write([]byte("user not found"))
+		return
+	}
+
+	err, rangeFrom, rangeTo := utils.ResolveIntervalRaw(vars["range"])
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte("invalid range"))
+		return
+	}
+
+	minStart := utils.StartOfDay(rangeTo.Add(-24 * time.Hour * time.Duration(requestedUser.ShareDataMaxDays)))
+	if (authorizedUser == nil || requestedUser.ID != authorizedUser.ID) &&
+		rangeFrom.Before(minStart) && requestedUser.ShareDataMaxDays >= 0 {
+		w.WriteHeader(http.StatusForbidden)
+		w.Write([]byte("requested time range too broad"))
+		return
+	}
+
+	summary, err, status := h.loadUserSummary(requestedUser, rangeFrom, rangeTo)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	stats := v1.NewStatsFrom(summary, &models.Filters{})
+
+	// post filter stats according to user's given sharing permissions
+	if !requestedUser.ShareEditors {
+		stats.Data.Editors = nil
+	}
+	if !requestedUser.ShareLanguages {
+		stats.Data.Languages = nil
+	}
+	if !requestedUser.ShareProjects {
+		stats.Data.Projects = nil
+	}
+	if !requestedUser.ShareOSs {
+		stats.Data.OperatingSystems = nil
+	}
+	if !requestedUser.ShareMachines {
+		stats.Data.Machines = nil
+	}
+
+	utils.RespondJSON(w, http.StatusOK, stats)
+}
+
+func (h *StatsHandler) loadUserSummary(user *models.User, start, end time.Time) (*models.Summary, error, int) {
+	overallParams := &models.SummaryParams{
+		From:      start,
+		To:        end,
+		User:      user,
+		Recompute: false,
+	}
+
+	summary, err := h.summarySrvc.Aliased(overallParams.From, overallParams.To, user, h.summarySrvc.Retrieve)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}

routes/compat/wakatime/v1/summaries.go

@@ -0,0 +1,132 @@
+package v1
+
+import (
+	"errors"
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"strings"
+	"time"
+)
+
+type SummariesHandler struct {
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
+}
+
+func NewSummariesHandler(userService services.IUserService, summaryService services.ISummaryService) *SummariesHandler {
+	return &SummariesHandler{
+		userSrvc:    userService,
+		summarySrvc: summaryService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *SummariesHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/compat/wakatime/v1/users/{user}/summaries").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+// TODO: Support parameters: project, branches, timeout, writes_only, timezone
+// See https://wakatime.com/developers#summaries.
+// Timezone can be specified via an offset suffix (e.g. +02:00) in date strings.
+// Requires https://github.com/muety/wakapi/issues/108.
+
+// @Summary Retrieve WakaTime-compatible summaries
+// @Description Mimics https://wakatime.com/developers#summaries.
+// @ID get-wakatime-summaries
+// @Tags wakatime
+// @Produce json
+// @Param user path string true "User ID to fetch data for (or 'current')"
+// @Param range query string false "Range interval identifier" Enums(today, yesterday, week, month, year, 7_days, last_7_days, 30_days, last_30_days, 12_months, last_12_months, any)
+// @Param start query string false "Start date (e.g. '2021-02-07')"
+// @Param end query string false "End date (e.g. '2021-02-08')"
+// @Security ApiKeyAuth
+// @Success 200 {object} v1.SummariesViewModel
+// @Router /compat/wakatime/v1/users/{user}/summaries [get]
+func (h *SummariesHandler) Get(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	requestedUser := vars["user"]
+	authorizedUser := r.Context().Value(models.UserKey).(*models.User)
+
+	if requestedUser != authorizedUser.ID && requestedUser != "current" {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	summaries, err, status := h.loadUserSummaries(r)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	filters := &models.Filters{}
+	if projectQuery := r.URL.Query().Get("project"); projectQuery != "" {
+		filters.Project = projectQuery
+	}
+
+	vm := v1.NewSummariesFrom(summaries, filters)
+	utils.RespondJSON(w, http.StatusOK, vm)
+}
+
+func (h *SummariesHandler) loadUserSummaries(r *http.Request) ([]*models.Summary, error, int) {
+	user := r.Context().Value(models.UserKey).(*models.User)
+	params := r.URL.Query()
+	rangeParam, startParam, endParam := params.Get("range"), params.Get("start"), params.Get("end")
+
+	var start, end time.Time
+	if rangeParam != "" {
+		// range param takes precedence
+		if err, parsedFrom, parsedTo := utils.ResolveIntervalRaw(rangeParam); err == nil {
+			start, end = parsedFrom, parsedTo
+		} else {
+			return nil, errors.New("invalid 'range' parameter"), http.StatusBadRequest
+		}
+	} else if err, parsedFrom, parsedTo := utils.ResolveIntervalRaw(startParam); err == nil && startParam == endParam {
+		// also accept start param to be a range param
+		start, end = parsedFrom, parsedTo
+	} else {
+		// eventually, consider start and end params a date
+		var err error
+
+		start, err = time.Parse(time.RFC3339, strings.Replace(startParam, " ", "+", 1))
+		if err != nil {
+			return nil, errors.New("missing required 'start' parameter"), http.StatusBadRequest
+		}
+
+		end, err = time.Parse(time.RFC3339, strings.Replace(endParam, " ", "+", 1))
+		if err != nil {
+			return nil, errors.New("missing required 'end' parameter"), http.StatusBadRequest
+		}
+	}
+
+	overallParams := &models.SummaryParams{
+		From:      start,
+		To:        end,
+		User:      user,
+		Recompute: false,
+	}
+
+	intervals := utils.SplitRangeByDays(overallParams.From, overallParams.To)
+	summaries := make([]*models.Summary, len(intervals))
+
+	for i, interval := range intervals {
+		summary, err := h.summarySrvc.Aliased(interval[0], interval[1], user, h.summarySrvc.Retrieve)
+		if err != nil {
+			return nil, err, http.StatusInternalServerError
+		}
+		summaries[i] = summary
+	}
+
+	return summaries, nil, http.StatusOK
+}

routes/handler.go

@@ -0,0 +1,7 @@
+package routes
+
+import "github.com/gorilla/mux"
+
+type Handler interface {
+	RegisterRoutes(router *mux.Router)
+}

routes/health.go

@@ -1,25 +0,0 @@
-package routes
-
-import (
-	"fmt"
-	"github.com/jinzhu/gorm"
-	"net/http"
-)
-
-type HealthHandler struct {
-	db *gorm.DB
-}
-
-func NewHealthHandler(db *gorm.DB) *HealthHandler {
-	return &HealthHandler{db: db}
-}
-
-func (h *HealthHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
-	var dbStatus int
-	if err := h.db.DB().Ping(); err == nil {
-		dbStatus = 1
-	}
-
-	w.Header().Set("Content-Type", "text/plain")
-	w.Write([]byte(fmt.Sprintf("app=1\ndb=%d", dbStatus)))
-}

routes/heartbeat.go

@@ -1,59 +0,0 @@
-package routes
-
-import (
-	"encoding/json"
-	"net/http"
-	"os"
-
-	"github.com/muety/wakapi/services"
-	"github.com/muety/wakapi/utils"
-
-	"github.com/muety/wakapi/models"
-)
-
-type HeartbeatHandler struct {
-	config        *models.Config
-	heartbeatSrvc *services.HeartbeatService
-}
-
-func NewHeartbeatHandler(heartbeatService *services.HeartbeatService) *HeartbeatHandler {
-	return &HeartbeatHandler{
-		config:        models.GetConfig(),
-		heartbeatSrvc: heartbeatService,
-	}
-}
-
-func (h *HeartbeatHandler) ApiPost(w http.ResponseWriter, r *http.Request) {
-	var heartbeats []*models.Heartbeat
-	user := r.Context().Value(models.UserKey).(*models.User)
-	opSys, editor, _ := utils.ParseUserAgent(r.Header.Get("User-Agent"))
-
-	dec := json.NewDecoder(r.Body)
-	if err := dec.Decode(&heartbeats); err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		w.Write([]byte(err.Error()))
-		return
-	}
-
-	for _, hb := range heartbeats {
-		hb.OperatingSystem = opSys
-		hb.Editor = editor
-		hb.User = user
-		hb.UserID = user.ID
-		hb.Augment(h.config.CustomLanguages)
-
-		if !hb.Valid() {
-			w.WriteHeader(http.StatusBadRequest)
-			w.Write([]byte("Invalid heartbeat object."))
-			return
-		}
-	}
-
-	if err := h.heartbeatSrvc.InsertBatch(heartbeats); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		os.Stderr.WriteString(err.Error())
-		return
-	}
-
-	w.WriteHeader(http.StatusOK)
-}

routes/home.go

@@ -0,0 +1,70 @@
+package routes
+
+import (
+	"fmt"
+	"github.com/gorilla/mux"
+	"github.com/gorilla/schema"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/models/view"
+	"github.com/muety/wakapi/services"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+type HomeHandler struct {
+	config       *conf.Config
+	keyValueSrvc services.IKeyValueService
+}
+
+var loginDecoder = schema.NewDecoder()
+var signupDecoder = schema.NewDecoder()
+
+func NewHomeHandler(keyValueService services.IKeyValueService) *HomeHandler {
+	return &HomeHandler{
+		config:       conf.Get(),
+		keyValueSrvc: keyValueService,
+	}
+}
+
+func (h *HomeHandler) RegisterRoutes(router *mux.Router) {
+	router.Path("/").Methods(http.MethodGet).HandlerFunc(h.GetIndex)
+}
+
+func (h *HomeHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+		return
+	}
+
+	templates[conf.IndexTemplate].Execute(w, h.buildViewModel(r))
+}
+
+func (h *HomeHandler) buildViewModel(r *http.Request) *view.HomeViewModel {
+	var totalHours int
+	var totalUsers int
+
+	if t, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalTime); err == nil && t != nil && t.Value != "" {
+		if d, err := time.ParseDuration(t.Value); err == nil {
+			totalHours = int(d.Hours())
+		}
+	}
+
+	if t, err := h.keyValueSrvc.GetString(conf.KeyLatestTotalUsers); err == nil && t != nil && t.Value != "" {
+		if d, err := strconv.Atoi(t.Value); err == nil {
+			totalUsers = d
+		}
+	}
+
+	return &view.HomeViewModel{
+		Success:    r.URL.Query().Get("success"),
+		Error:      r.URL.Query().Get("error"),
+		TotalHours: totalHours,
+		TotalUsers: totalUsers,
+	}
+}

routes/imprint.go

@@ -0,0 +1,46 @@
+package routes
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/models/view"
+	"github.com/muety/wakapi/services"
+	"net/http"
+)
+
+type ImprintHandler struct {
+	config       *conf.Config
+	keyValueSrvc services.IKeyValueService
+}
+
+func NewImprintHandler(keyValueService services.IKeyValueService) *ImprintHandler {
+	return &ImprintHandler{
+		config:       conf.Get(),
+		keyValueSrvc: keyValueService,
+	}
+}
+
+func (h *ImprintHandler) RegisterRoutes(router *mux.Router) {
+	router.Path("/imprint").Methods(http.MethodGet).HandlerFunc(h.GetImprint)
+}
+
+func (h *ImprintHandler) GetImprint(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	text := "failed to load content"
+	if data, err := h.keyValueSrvc.GetString(models.ImprintKey); err == nil {
+		text = data.Value
+	}
+
+	templates[conf.ImprintTemplate].Execute(w, h.buildViewModel(r).WithHtmlText(text))
+}
+
+func (h *ImprintHandler) buildViewModel(r *http.Request) *view.ImprintViewModel {
+	return &view.ImprintViewModel{
+		Success: r.URL.Query().Get("success"),
+		Error:   r.URL.Query().Get("error"),
+	}
+}

routes/login.go

@@ -0,0 +1,173 @@
+package routes
+
+import (
+	"fmt"
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/models/view"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"time"
+)
+
+type LoginHandler struct {
+	config   *conf.Config
+	userSrvc services.IUserService
+}
+
+func NewLoginHandler(userService services.IUserService) *LoginHandler {
+	return &LoginHandler{
+		config:   conf.Get(),
+		userSrvc: userService,
+	}
+}
+
+func (h *LoginHandler) RegisterRoutes(router *mux.Router) {
+	router.Path("/login").Methods(http.MethodGet).HandlerFunc(h.GetIndex)
+	router.Path("/login").Methods(http.MethodPost).HandlerFunc(h.PostLogin)
+	router.Path("/logout").Methods(http.MethodPost).HandlerFunc(h.PostLogout)
+	router.Path("/signup").Methods(http.MethodGet).HandlerFunc(h.GetSignup)
+	router.Path("/signup").Methods(http.MethodPost).HandlerFunc(h.PostSignup)
+}
+
+func (h *LoginHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+		return
+	}
+
+	templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r))
+}
+
+func (h *LoginHandler) PostLogin(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+		return
+	}
+
+	var login models.Login
+	if err := r.ParseForm(); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
+		return
+	}
+	if err := loginDecoder.Decode(&login, r.PostForm); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
+		return
+	}
+
+	user, err := h.userSrvc.GetUserById(login.Username)
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r).WithError("resource not found"))
+		return
+	}
+
+	if !utils.CompareBcrypt(user.Password, login.Password, h.config.Security.PasswordSalt) {
+		w.WriteHeader(http.StatusUnauthorized)
+		templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r).WithError("invalid credentials"))
+		return
+	}
+
+	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login.Username)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		templates[conf.LoginTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
+		return
+	}
+
+	user.LastLoggedInAt = models.CustomTime(time.Now())
+	h.userSrvc.Update(user)
+
+	http.SetCookie(w, h.config.CreateCookie(models.AuthCookieKey, encoded, "/"))
+	http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+}
+
+func (h *LoginHandler) PostLogout(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	http.SetCookie(w, h.config.GetClearCookie(models.AuthCookieKey, "/"))
+	http.Redirect(w, r, fmt.Sprintf("%s/", h.config.Server.BasePath), http.StatusFound)
+}
+
+func (h *LoginHandler) GetSignup(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+		return
+	}
+
+	templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r))
+}
+
+func (h *LoginHandler) PostSignup(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if !h.config.IsDev() && !h.config.Security.AllowSignup {
+		w.WriteHeader(http.StatusForbidden)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("registration is disabled on this server"))
+		return
+	}
+
+	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
+		return
+	}
+
+	var signup models.Signup
+	if err := r.ParseForm(); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
+		return
+	}
+	if err := signupDecoder.Decode(&signup, r.PostForm); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
+		return
+	}
+
+	if !signup.IsValid() {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("invalid parameters"))
+		return
+	}
+
+	_, created, err := h.userSrvc.CreateOrGet(&signup)
+	if err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("failed to create new user"))
+		return
+	}
+	if !created {
+		w.WriteHeader(http.StatusConflict)
+		templates[conf.SignupTemplate].Execute(w, h.buildViewModel(r).WithError("user already existing"))
+		return
+	}
+
+	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.Server.BasePath, "account created successfully"), http.StatusFound)
+}
+
+func (h *LoginHandler) buildViewModel(r *http.Request) *view.LoginViewModel {
+	return &view.LoginViewModel{
+		Success: r.URL.Query().Get("success"),
+		Error:   r.URL.Query().Get("error"),
+	}
+}

routes/public.go

@@ -1,186 +0,0 @@
-package routes
-
-import (
-	"fmt"
-	"github.com/gorilla/schema"
-	"github.com/muety/wakapi/middlewares"
-	"github.com/muety/wakapi/models"
-	"github.com/muety/wakapi/services"
-	"github.com/muety/wakapi/utils"
-	"net/http"
-	"net/url"
-)
-
-type IndexHandler struct {
-	config   *models.Config
-	userSrvc *services.UserService
-}
-
-var loginDecoder = schema.NewDecoder()
-var signupDecoder = schema.NewDecoder()
-
-func NewIndexHandler(userService *services.UserService) *IndexHandler {
-	return &IndexHandler{
-		config:   models.GetConfig(),
-		userSrvc: userService,
-	}
-}
-
-func (h *IndexHandler) Index(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-		return
-	}
-
-	if handleAlerts(w, r, "") {
-		return
-	}
-
-	// TODO: make this more generic and reusable
-	if success := r.URL.Query().Get("success"); success != "" {
-		templates["index.tpl.html"].Execute(w, struct {
-			Success string
-			Error   string
-		}{Success: success})
-		return
-	}
-	templates["index.tpl.html"].Execute(w, nil)
-}
-
-func (h *IndexHandler) Login(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-		return
-	}
-
-	var login models.Login
-	if err := r.ParseForm(); err != nil {
-		respondAlert(w, "missing parameters", "", "", http.StatusBadRequest)
-		return
-	}
-	if err := loginDecoder.Decode(&login, r.PostForm); err != nil {
-		respondAlert(w, "missing parameters", "", "", http.StatusBadRequest)
-		return
-	}
-
-	user, err := h.userSrvc.GetUserById(login.Username)
-	if err != nil {
-		respondAlert(w, "resource not found", "", "", http.StatusNotFound)
-		return
-	}
-
-	// TODO: depending on middleware package here is a hack
-	if !middlewares.CheckAndMigratePassword(user, &login, h.config.PasswordSalt, h.userSrvc) {
-		respondAlert(w, "invalid credentials", "", "", http.StatusUnauthorized)
-		return
-	}
-
-	encoded, err := h.config.SecureCookie.Encode(models.AuthCookieKey, login)
-	if err != nil {
-		respondAlert(w, "internal server error", "", "", http.StatusInternalServerError)
-		return
-	}
-
-	cookie := &http.Cookie{
-		Name:     models.AuthCookieKey,
-		Value:    encoded,
-		Path:     "/",
-		Secure:   !h.config.InsecureCookies,
-		HttpOnly: true,
-	}
-	http.SetCookie(w, cookie)
-	http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-}
-
-func (h *IndexHandler) Logout(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	utils.ClearCookie(w, models.AuthCookieKey, !h.config.InsecureCookies)
-	http.Redirect(w, r, fmt.Sprintf("%s/", h.config.BasePath), http.StatusFound)
-}
-
-func (h *IndexHandler) Signup(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-		return
-	}
-
-	switch r.Method {
-	case http.MethodPost:
-		h.handlePostSignup(w, r)
-		return
-	default:
-		h.handleGetSignup(w, r)
-		return
-	}
-}
-
-func (h *IndexHandler) handleGetSignup(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-		return
-	}
-
-	if handleAlerts(w, r, "signup.tpl.html") {
-		return
-	}
-
-	templates["signup.tpl.html"].Execute(w, nil)
-}
-
-func (h *IndexHandler) handlePostSignup(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
-		return
-	}
-
-	var signup models.Signup
-	if err := r.ParseForm(); err != nil {
-		respondAlert(w, "missing parameters", "", "signup.tpl.html", http.StatusBadRequest)
-		return
-	}
-	if err := signupDecoder.Decode(&signup, r.PostForm); err != nil {
-		respondAlert(w, "missing parameters", "", "signup.tpl.html", http.StatusBadRequest)
-		return
-	}
-
-	if !signup.IsValid() {
-		respondAlert(w, "invalid parameters", "", "signup.tpl.html", http.StatusBadRequest)
-		return
-	}
-
-	_, created, err := h.userSrvc.CreateOrGet(&signup)
-	if err != nil {
-		respondAlert(w, "failed to create new user", "", "signup.tpl.html", http.StatusInternalServerError)
-		return
-	}
-	if !created {
-		respondAlert(w, "user already existing", "", "signup.tpl.html", http.StatusConflict)
-		return
-	}
-
-	msg := url.QueryEscape("account created successfully")
-	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.BasePath, msg), http.StatusFound)
-}

routes/routes.go

@@ -2,6 +2,8 @@ package routes
 
 import (
 	"fmt"
+	"github.com/markbates/pkger"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/utils"
 	"html/template"
@@ -11,29 +13,47 @@ import (
 	"strings"
 )
 
-func init() {
+func Init() {
 	loadTemplates()
 }
 
+type action func(w http.ResponseWriter, r *http.Request) (int, string, string)
+
 var templates map[string]*template.Template
 
 func loadTemplates() {
-	tplPath := "views"
+	const tplPath = "/views"
 	tpls := template.New("").Funcs(template.FuncMap{
-		"json":       utils.Json,
-		"date":       utils.FormatDateHuman,
-		"title":      strings.Title,
-		"capitalize": utils.Capitalize,
+		"json":        utils.Json,
+		"date":        utils.FormatDateHuman,
+		"title":       strings.Title,
+		"join":        strings.Join,
+		"add":         utils.Add,
+		"capitalize":  utils.Capitalize,
+		"toRunes":     utils.ToRunes,
+		"entityTypes": models.SummaryTypes,
+		"typeName":    typeName,
 		"getBasePath": func() string {
-			return models.GetConfig().BasePath
+			return config.Get().Server.BasePath
 		},
 		"getVersion": func() string {
-			return models.GetConfig().Version
+			return config.Get().Version
+		},
+		"getDbType": func() string {
+			return strings.ToLower(config.Get().Db.Type)
+		},
+		"htmlSafe": func(html string) template.HTML {
+			return template.HTML(html)
 		},
 	})
 	templates = make(map[string]*template.Template)
 
-	files, err := ioutil.ReadDir(tplPath)
+	dir, err := pkger.Open(tplPath)
+	if err != nil {
+		panic(err)
+	}
+	defer dir.Close()
+	files, err := dir.Readdir(0)
 	if err != nil {
 		panic(err)
 	}
@@ -44,7 +64,18 @@ func loadTemplates() {
 			continue
 		}
 
-		tpl, err := tpls.New(tplName).ParseFiles(fmt.Sprintf("%s/%s", tplPath, tplName))
+		templateFile, err := pkger.Open(fmt.Sprintf("%s/%s", tplPath, tplName))
+		if err != nil {
+			panic(err)
+		}
+		templateData, err := ioutil.ReadAll(templateFile)
+		if err != nil {
+			panic(err)
+		}
+
+		templateFile.Close()
+
+		tpl, err := tpls.New(tplName).Parse(string(templateData))
 		if err != nil {
 			panic(err)
 		}
@@ -53,32 +84,21 @@ func loadTemplates() {
 	}
 }
 
-func respondAlert(w http.ResponseWriter, error, success, tplName string, status int) {
-	w.WriteHeader(status)
-	if tplName == "" {
-		tplName = "index.tpl.html"
+func typeName(t uint8) string {
+	if t == models.SummaryProject {
+		return "project"
 	}
-	templates[tplName].Execute(w, struct {
-		Error   string
-		Success string
-	}{Error: error})
-}
-
-// TODO: do better
-func handleAlerts(w http.ResponseWriter, r *http.Request, tplName string) bool {
-	if err := r.URL.Query().Get("error"); err != "" {
-		if err == "unauthorized" {
-			respondAlert(w, err, "", tplName, http.StatusUnauthorized)
-		} else {
-			respondAlert(w, err, "", tplName, http.StatusInternalServerError)
-		}
-		return true
-	}
-
-	if success := r.URL.Query().Get("success"); success != "" {
-		respondAlert(w, "", success, tplName, http.StatusOK)
-		return true
-	}
-
-	return false
+	if t == models.SummaryLanguage {
+		return "language"
+	}
+	if t == models.SummaryEditor {
+		return "editor"
+	}
+	if t == models.SummaryOS {
+		return "operating system"
+	}
+	if t == models.SummaryMachine {
+		return "machine"
+	}
+	return "unknown"
 }

routes/settings.go

@@ -0,0 +1,529 @@
+package routes
+
+import (
+	"encoding/base64"
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/gorilla/mux"
+	"github.com/gorilla/schema"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/models/view"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/services/imports"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"strconv"
+	"time"
+)
+
+type SettingsHandler struct {
+	config              *conf.Config
+	userSrvc            services.IUserService
+	summarySrvc         services.ISummaryService
+	heartbeatSrvc       services.IHeartbeatService
+	aliasSrvc           services.IAliasService
+	aggregationSrvc     services.IAggregationService
+	languageMappingSrvc services.ILanguageMappingService
+	keyValueSrvc        services.IKeyValueService
+	httpClient          *http.Client
+}
+
+var credentialsDecoder = schema.NewDecoder()
+
+func NewSettingsHandler(
+	userService services.IUserService,
+	heartbeatService services.IHeartbeatService,
+	summaryService services.ISummaryService,
+	aliasService services.IAliasService,
+	aggregationService services.IAggregationService,
+	languageMappingService services.ILanguageMappingService,
+	keyValueService services.IKeyValueService,
+) *SettingsHandler {
+	return &SettingsHandler{
+		config:              conf.Get(),
+		summarySrvc:         summaryService,
+		aliasSrvc:           aliasService,
+		aggregationSrvc:     aggregationService,
+		languageMappingSrvc: languageMappingService,
+		userSrvc:            userService,
+		heartbeatSrvc:       heartbeatService,
+		keyValueSrvc:        keyValueService,
+		httpClient:          &http.Client{Timeout: 10 * time.Second},
+	}
+}
+
+func (h *SettingsHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/settings").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.GetIndex)
+	r.Methods(http.MethodPost).HandlerFunc(h.PostIndex)
+}
+
+func (h *SettingsHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r))
+}
+
+func (h *SettingsHandler) PostIndex(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	if err := r.ParseForm(); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("missing form values"))
+		return
+	}
+
+	action := r.PostForm.Get("action")
+	r.PostForm.Del("action")
+
+	actionFunc := h.dispatchAction(action)
+	if actionFunc == nil {
+		logbuch.Warn("failed to dispatch action '%s'", action)
+		w.WriteHeader(http.StatusBadRequest)
+		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("unknown action requests"))
+		return
+	}
+
+	status, successMsg, errorMsg := actionFunc(w, r)
+
+	// action responded itself
+	if status == -1 {
+		return
+	}
+
+	if errorMsg != "" {
+		w.WriteHeader(status)
+		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError(errorMsg))
+		return
+	}
+	if successMsg != "" {
+		w.WriteHeader(status)
+		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess(successMsg))
+		return
+	}
+	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r))
+}
+
+func (h *SettingsHandler) dispatchAction(action string) action {
+	switch action {
+	case "change_password":
+		return h.actionChangePassword
+	case "reset_apikey":
+		return h.actionResetApiKey
+	case "delete_alias":
+		return h.actionDeleteAlias
+	case "add_alias":
+		return h.actionAddAlias
+	case "delete_mapping":
+		return h.actionDeleteLanguageMapping
+	case "add_mapping":
+		return h.actionAddLanguageMapping
+	case "update_sharing":
+		return h.actionUpdateSharing
+	case "toggle_wakatime":
+		return h.actionSetWakatimeApiKey
+	case "import_wakatime":
+		return h.actionImportWaktime
+	case "regenerate_summaries":
+		return h.actionRegenerateSummaries
+	case "delete_account":
+		return h.actionDeleteUser
+	}
+	return nil
+}
+
+func (h *SettingsHandler) actionChangePassword(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+
+	var credentials models.CredentialsReset
+	if err := r.ParseForm(); err != nil {
+		return http.StatusBadRequest, "", "missing parameters"
+	}
+	if err := credentialsDecoder.Decode(&credentials, r.PostForm); err != nil {
+		return http.StatusBadRequest, "", "missing parameters"
+	}
+
+	if !utils.CompareBcrypt(user.Password, credentials.PasswordOld, h.config.Security.PasswordSalt) {
+		return http.StatusUnauthorized, "", "invalid credentials"
+	}
+
+	if !credentials.IsValid() {
+		return http.StatusBadRequest, "", "invalid parameters"
+	}
+
+	user.Password = credentials.PasswordNew
+	if hash, err := utils.HashBcrypt(user.Password, h.config.Security.PasswordSalt); err != nil {
+		return http.StatusInternalServerError, "", "internal server error"
+	} else {
+		user.Password = hash
+	}
+
+	if _, err := h.userSrvc.Update(user); err != nil {
+		return http.StatusInternalServerError, "", "internal server error"
+	}
+
+	login := &models.Login{
+		Username: user.ID,
+		Password: user.Password,
+	}
+	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login.Username)
+	if err != nil {
+		return http.StatusInternalServerError, "", "internal server error"
+	}
+
+	http.SetCookie(w, h.config.CreateCookie(models.AuthCookieKey, encoded, "/"))
+	return http.StatusOK, "password was updated successfully", ""
+}
+
+func (h *SettingsHandler) actionResetApiKey(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	if _, err := h.userSrvc.ResetApiKey(user); err != nil {
+		return http.StatusInternalServerError, "", "internal server error"
+	}
+
+	msg := fmt.Sprintf("your new api key is: %s", user.ApiKey)
+	return http.StatusOK, msg, ""
+}
+
+func (h *SettingsHandler) actionUpdateSharing(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	var err error
+	user := r.Context().Value(models.UserKey).(*models.User)
+
+	defer h.userSrvc.FlushCache()
+
+	user.ShareProjects, err = strconv.ParseBool(r.PostFormValue("share_projects"))
+	user.ShareLanguages, err = strconv.ParseBool(r.PostFormValue("share_languages"))
+	user.ShareEditors, err = strconv.ParseBool(r.PostFormValue("share_editors"))
+	user.ShareOSs, err = strconv.ParseBool(r.PostFormValue("share_oss"))
+	user.ShareMachines, err = strconv.ParseBool(r.PostFormValue("share_machines"))
+	user.ShareDataMaxDays, err = strconv.Atoi(r.PostFormValue("max_days"))
+
+	if err != nil {
+		return http.StatusBadRequest, "", "invalid input"
+	}
+
+	if _, err := h.userSrvc.Update(user); err != nil {
+		return http.StatusInternalServerError, "", "internal sever error"
+	}
+
+	return http.StatusOK, "settings updated", ""
+}
+
+func (h *SettingsHandler) actionDeleteAlias(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	aliasKey := r.PostFormValue("key")
+	aliasType, err := strconv.Atoi(r.PostFormValue("type"))
+	if err != nil {
+		aliasType = 99 // nothing will be found later on
+	}
+
+	if aliases, err := h.aliasSrvc.GetByUserAndKeyAndType(user.ID, aliasKey, uint8(aliasType)); err != nil {
+		return http.StatusNotFound, "", "aliases not found"
+	} else if err := h.aliasSrvc.DeleteMulti(aliases); err != nil {
+		return http.StatusInternalServerError, "", "could not delete aliases"
+	}
+
+	return http.StatusOK, "aliases deleted successfully", ""
+}
+
+func (h *SettingsHandler) actionAddAlias(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+	user := r.Context().Value(models.UserKey).(*models.User)
+	aliasKey := r.PostFormValue("key")
+	aliasValue := r.PostFormValue("value")
+	aliasType, err := strconv.Atoi(r.PostFormValue("type"))
+	if err != nil {
+		aliasType = 99 // Alias.IsValid() will return false later on
+	}
+
+	alias := &models.Alias{
+		UserID: user.ID,
+		Key:    aliasKey,
+		Value:  aliasValue,
+		Type:   uint8(aliasType),
+	}
+
+	if _, err := h.aliasSrvc.Create(alias); err != nil {
+		// TODO: distinguish between bad request, conflict and server error
+		return http.StatusBadRequest, "", "invalid input"
+	}
+
+	return http.StatusOK, "alias added successfully", ""
+}
+
+func (h *SettingsHandler) actionDeleteLanguageMapping(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	id, err := strconv.Atoi(r.PostFormValue("mapping_id"))
+	if err != nil {
+		return http.StatusInternalServerError, "", "could not delete mapping"
+	}
+
+	if mapping, err := h.languageMappingSrvc.GetById(uint(id)); err != nil || mapping == nil {
+		return http.StatusNotFound, "", "mapping not found"
+	} else if mapping.UserID != user.ID {
+		return http.StatusForbidden, "", "not allowed to delete mapping"
+	}
+
+	if err := h.languageMappingSrvc.Delete(&models.LanguageMapping{ID: uint(id)}); err != nil {
+		return http.StatusInternalServerError, "", "could not delete mapping"
+	}
+
+	return http.StatusOK, "mapping deleted successfully", ""
+}
+
+func (h *SettingsHandler) actionAddLanguageMapping(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+	user := r.Context().Value(models.UserKey).(*models.User)
+	extension := r.PostFormValue("extension")
+	language := r.PostFormValue("language")
+
+	if extension[0] == '.' {
+		extension = extension[1:]
+	}
+
+	mapping := &models.LanguageMapping{
+		UserID:    user.ID,
+		Extension: extension,
+		Language:  language,
+	}
+
+	if _, err := h.languageMappingSrvc.Create(mapping); err != nil {
+		return http.StatusConflict, "", "mapping already exists"
+	}
+
+	return http.StatusOK, "mapping added successfully", ""
+}
+
+func (h *SettingsHandler) actionSetWakatimeApiKey(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	apiKey := r.PostFormValue("api_key")
+
+	// Healthcheck, if a new API key is set, i.e. the feature is activated
+	if (user.WakatimeApiKey == "" && apiKey != "") && !h.validateWakatimeKey(apiKey) {
+		return http.StatusBadRequest, "", "failed to connect to WakaTime, API key invalid?"
+	}
+
+	if _, err := h.userSrvc.SetWakatimeApiKey(user, apiKey); err != nil {
+		return http.StatusInternalServerError, "", "internal server error"
+	}
+
+	return http.StatusOK, "Wakatime API Key updated successfully", ""
+}
+
+func (h *SettingsHandler) actionImportWaktime(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	if user.WakatimeApiKey == "" {
+		return http.StatusForbidden, "", "not connected to wakatime"
+	}
+
+	kvKey := fmt.Sprintf("%s_%s", conf.KeyLastImportImport, user.ID)
+
+	if !h.config.IsDev() {
+		lastImportKv := h.keyValueSrvc.MustGetString(kvKey)
+		lastImport, _ := time.Parse(time.RFC822, lastImportKv.Value)
+		if time.Now().Sub(lastImport) < time.Duration(h.config.App.ImportBackoffMin)*time.Minute {
+			return http.StatusTooManyRequests,
+				"",
+				fmt.Sprintf("Too many data imports. You are only allowed to request an import every %d minutes.", h.config.App.ImportBackoffMin)
+		}
+	}
+
+	go func(user *models.User) {
+		importer := imports.NewWakatimeHeartbeatImporter(user.WakatimeApiKey)
+
+		countBefore, err := h.heartbeatSrvc.CountByUser(user)
+		if err != nil {
+			println(err)
+		}
+
+		var stream <-chan *models.Heartbeat
+		if latest, err := h.heartbeatSrvc.GetLatestByOriginAndUser(imports.OriginWakatime, user); latest == nil || err != nil {
+			stream = importer.ImportAll(user)
+		} else {
+			// if an import has happened before, only import heartbeats newer than the latest of the last import
+			stream = importer.Import(user, latest.Time.T(), time.Now())
+		}
+
+		count := 0
+		batch := make([]*models.Heartbeat, 0)
+
+		for hb := range stream {
+			count++
+			batch = append(batch, hb)
+
+			if len(batch) == h.config.App.ImportBatchSize {
+				if err := h.heartbeatSrvc.InsertBatch(batch); err != nil {
+					logbuch.Warn("failed to insert imported heartbeat, already existing? – %v", err)
+				}
+
+				batch = make([]*models.Heartbeat, 0)
+			}
+		}
+
+		countAfter, _ := h.heartbeatSrvc.CountByUser(user)
+		logbuch.Info("downloaded %d heartbeats for user '%s' (%d actually imported)", count, user.ID, countAfter-countBefore)
+
+		h.regenerateSummaries(user)
+	}(user)
+
+	h.keyValueSrvc.PutString(&models.KeyStringValue{
+		Key:   kvKey,
+		Value: time.Now().Format(time.RFC822),
+	})
+
+	return http.StatusAccepted, "ImportAll started. This may take a few minutes.", ""
+}
+
+func (h *SettingsHandler) actionRegenerateSummaries(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+
+	if err := h.regenerateSummaries(user); err != nil {
+		return http.StatusInternalServerError, "", "failed to regenerate summaries"
+	}
+
+	return http.StatusOK, "summaries are being regenerated – this may take a few seconds", ""
+}
+
+func (h *SettingsHandler) actionDeleteUser(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	go func(user *models.User) {
+		logbuch.Info("deleting user '%s' shortly", user.ID)
+		time.Sleep(5 * time.Minute)
+		if err := h.userSrvc.Delete(user); err != nil {
+			logbuch.Error("failed to delete user '%s' – %v", user.ID, err)
+		} else {
+			logbuch.Info("successfully deleted user '%s'", user.ID)
+		}
+	}(user)
+
+	http.SetCookie(w, h.config.GetClearCookie(models.AuthCookieKey, "/"))
+	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.Server.BasePath, "Your account will be deleted in a few minutes. Sorry to you go."), http.StatusFound)
+	return -1, "", ""
+}
+
+func (h *SettingsHandler) validateWakatimeKey(apiKey string) bool {
+	headers := http.Header{
+		"Accept": []string{"application/json"},
+		"Authorization": []string{
+			fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(apiKey))),
+		},
+	}
+
+	request, err := http.NewRequest(
+		http.MethodGet,
+		conf.WakatimeApiUrl+conf.WakatimeApiUserUrl,
+		nil,
+	)
+	if err != nil {
+		return false
+	}
+
+	request.Header = headers
+
+	response, err := h.httpClient.Do(request)
+	if err != nil || response.StatusCode < 200 || response.StatusCode >= 300 {
+		return false
+	}
+
+	return true
+}
+
+func (h *SettingsHandler) regenerateSummaries(user *models.User) error {
+	logbuch.Info("clearing summaries for user '%s'", user.ID)
+	if err := h.summarySrvc.DeleteByUser(user.ID); err != nil {
+		logbuch.Error("failed to clear summaries: %v", err)
+		return err
+	}
+
+	if err := h.aggregationSrvc.Run(map[string]bool{user.ID: true}); err != nil {
+		logbuch.Error("failed to regenerate summaries: %v", err)
+		return err
+	}
+
+	return nil
+}
+
+func (h *SettingsHandler) buildViewModel(r *http.Request) *view.SettingsViewModel {
+	user := r.Context().Value(models.UserKey).(*models.User)
+	mappings, _ := h.languageMappingSrvc.GetByUser(user.ID)
+	aliases, _ := h.aliasSrvc.GetByUser(user.ID)
+	aliasMap := make(map[string][]*models.Alias)
+	for _, a := range aliases {
+		k := fmt.Sprintf("%s_%d", a.Key, a.Type)
+		if _, ok := aliasMap[k]; !ok {
+			aliasMap[k] = []*models.Alias{a}
+		} else {
+			aliasMap[k] = append(aliasMap[k], a)
+		}
+	}
+
+	combinedAliases := make([]*view.SettingsVMCombinedAlias, 0)
+	for _, l := range aliasMap {
+		ca := &view.SettingsVMCombinedAlias{
+			Key:    l[0].Key,
+			Type:   l[0].Type,
+			Values: make([]string, len(l)),
+		}
+		for i, a := range l {
+			ca.Values[i] = a.Value
+		}
+		combinedAliases = append(combinedAliases, ca)
+	}
+
+	return &view.SettingsViewModel{
+		User:             user,
+		LanguageMappings: mappings,
+		Aliases:          combinedAliases,
+		Success:          r.URL.Query().Get("success"),
+		Error:            r.URL.Query().Get("error"),
+	}
+}

routes/summary.go

@@ -1,48 +1,40 @@
 package routes
 
 import (
-	"errors"
-	"net/http"
-	"time"
-
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
 	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/models/view"
+	su "github.com/muety/wakapi/routes/utils"
 	"github.com/muety/wakapi/services"
 	"github.com/muety/wakapi/utils"
-)
-
-const (
-	IntervalToday     string = "today"
-	IntervalLastDay   string = "day"
-	IntervalLastWeek  string = "week"
-	IntervalLastMonth string = "month"
-	IntervalLastYear  string = "year"
-	IntervalAny       string = "any"
+	"net/http"
 )
 
 type SummaryHandler struct {
-	summarySrvc *services.SummaryService
-	config      *models.Config
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
 }
 
-func NewSummaryHandler(summaryService *services.SummaryService) *SummaryHandler {
+func NewSummaryHandler(summaryService services.ISummaryService, userService services.IUserService) *SummaryHandler {
 	return &SummaryHandler{
 		summarySrvc: summaryService,
-		config:      models.GetConfig(),
+		userSrvc:    userService,
+		config:      conf.Get(),
 	}
 }
 
-func (h *SummaryHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
-	summary, err, status := loadUserSummary(r, h.summarySrvc)
-	if err != nil {
-		w.WriteHeader(status)
-		w.Write([]byte(err.Error()))
-		return
-	}
-
-	utils.RespondJSON(w, http.StatusOK, summary)
+func (h *SummaryHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/summary").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.GetIndex)
 }
 
-func (h *SummaryHandler) Index(w http.ResponseWriter, r *http.Request) {
+func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	if h.config.IsDev() {
 		loadTemplates()
 	}
@@ -53,63 +45,34 @@ func (h *SummaryHandler) Index(w http.ResponseWriter, r *http.Request) {
 		r.URL.RawQuery = q.Encode()
 	}
 
-	summary, err, status := loadUserSummary(r, h.summarySrvc)
+	summary, err, status := su.LoadUserSummary(h.summarySrvc, r)
 	if err != nil {
-		respondAlert(w, err.Error(), "", "summary.tpl.html", status)
+		w.WriteHeader(status)
+		templates[conf.SummaryTemplate].Execute(w, h.buildViewModel(r).WithError(err.Error()))
 		return
 	}
 
 	user := r.Context().Value(models.UserKey).(*models.User)
 	if user == nil {
-		respondAlert(w, "unauthorized", "", "summary.tpl.html", http.StatusUnauthorized)
+		w.WriteHeader(http.StatusUnauthorized)
+		templates[conf.SummaryTemplate].Execute(w, h.buildViewModel(r).WithError("unauthorized"))
 		return
 	}
 
 	vm := models.SummaryViewModel{
 		Summary:        summary,
-		LanguageColors: utils.FilterLanguageColors(h.config.LanguageColors, summary),
+		LanguageColors: utils.FilterColors(h.config.App.GetLanguageColors(), summary.Languages),
+		EditorColors:   utils.FilterColors(h.config.App.GetEditorColors(), summary.Editors),
+		OSColors:       utils.FilterColors(h.config.App.GetOSColors(), summary.OperatingSystems),
 		ApiKey:         user.ApiKey,
 	}
 
-	templates["summary.tpl.html"].Execute(w, vm)
+	templates[conf.SummaryTemplate].Execute(w, vm)
 }
 
-func loadUserSummary(r *http.Request, summaryService *services.SummaryService) (*models.Summary, error, int) {
-	user := r.Context().Value(models.UserKey).(*models.User)
-	params := r.URL.Query()
-	interval := params.Get("interval")
-	from, err := utils.ParseDate(params.Get("from"))
-	if err != nil {
-		switch interval {
-		case IntervalToday:
-			from = utils.StartOfDay()
-		case IntervalLastDay:
-			from = utils.StartOfDay().Add(-24 * time.Hour)
-		case IntervalLastWeek:
-			from = utils.StartOfWeek()
-		case IntervalLastMonth:
-			from = utils.StartOfMonth()
-		case IntervalLastYear:
-			from = utils.StartOfYear()
-		case IntervalAny:
-			from = time.Time{}
-		default:
-			return nil, errors.New("missing 'from' parameter"), http.StatusBadRequest
-		}
+func (h *SummaryHandler) buildViewModel(r *http.Request) *view.SummaryViewModel {
+	return &view.SummaryViewModel{
+		Success: r.URL.Query().Get("success"),
+		Error:   r.URL.Query().Get("error"),
 	}
-
-	live := (params.Get("live") != "" && params.Get("live") != "false") || interval == IntervalToday
-	recompute := params.Get("recompute") != "" && params.Get("recompute") != "false"
-	to := utils.StartOfDay()
-	if live {
-		to = time.Now()
-	}
-
-	var summary *models.Summary
-	summary, err = summaryService.Construct(from, to, user, recompute) // 'to' is always constant
-	if err != nil {
-		return nil, err, http.StatusInternalServerError
-	}
-
-	return summary, nil, http.StatusOK
 }

routes/utils/summary_utils.go

@@ -0,0 +1,27 @@
+package utils
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+)
+
+func LoadUserSummary(ss services.ISummaryService, r *http.Request) (*models.Summary, error, int) {
+	summaryParams, err := utils.ParseSummaryParams(r)
+	if err != nil {
+		return nil, err, http.StatusBadRequest
+	}
+
+	var retrieveSummary services.SummaryRetriever = ss.Retrieve
+	if summaryParams.Recompute {
+		retrieveSummary = ss.Summarize
+	}
+
+	summary, err := ss.Aliased(summaryParams.From, summaryParams.To, summaryParams.User, retrieveSummary)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}

scripts/docker_mysql.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker run -d -p 3306:3306 -e MYSQL_ROOT_PASSWORD=secretpassword -e MYSQL_DATABASE=wakapi_local -e MYSQL_USER=wakapi_user -e MYSQL_PASSWORD=wakapi --name wakapi-mysql mysql:5

scripts/docker_postgres.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+docker run -d -p 5432:5432 -e POSTGRES_DATABASE=wakapi_local -e POSTGRES_USER=wakapi_user -e POSTGRES_PASSWORD=wakapi --name wakapi-postgres postgres

scripts/push_sample_data.py

@@ -1,15 +1,18 @@
 #!/usr/bin/python3
+
+import argparse
+import base64
 import random
 import string
 import sys
 from datetime import datetime, timedelta
-from typing import List
+from typing import List, Union
 
 import requests
+from tqdm import tqdm
 
-N_PROJECTS = 5
-N_PAST_HOURS = 24
-UA = 'wakatime/13.0.7 (Linux-4.15.0-91-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 vscode/1.42.1 vscode-wakatime/4.0.0'
+MACHINE = "devmachine"
+UA = 'wakatime/13.0.7 (Linux-4.15.0-91-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 generator/1.42.1 generator-wakatime/4.0.0'
 LANGUAGES = {
     'Go': 'go',
     'Java': 'java',
@@ -36,23 +39,25 @@ class Heartbeat:
         self.is_write: bool = is_write
         self.branch: str = branch
         self.type: str = type
-        self.category: str = None
+        self.category: Union[str, None] = None
 
 
-def generate_data(n: int) -> List[Heartbeat]:
+def generate_data(n: int, n_projects: int = 5, n_past_hours: int = 24) -> List[Heartbeat]:
     data: List[Heartbeat] = []
     now: datetime = datetime.today()
-    projects: List[str] = [randomword(random.randint(5, 10)) for _ in range(5)]
+    projects: List[str] = [randomword(random.randint(5, 10)) for _ in range(n_projects)]
     languages: List[str] = list(LANGUAGES.keys())
 
-    for i in range(n):
+    for _ in range(n):
         p: str = random.choice(projects)
         l: str = random.choice(languages)
         f: str = randomword(random.randint(2, 8))
         delta: timedelta = timedelta(
-            hours=random.randint(0, N_PAST_HOURS - 1),
+            hours=random.randint(0, n_past_hours - 1),
             minutes=random.randint(0, 59),
-            seconds=random.randint(0, 59)
+            seconds=random.randint(0, 59),
+            milliseconds=random.randint(0, 999),
+            microseconds=random.randint(0, 999)
         )
 
         data.append(Heartbeat(
@@ -65,29 +70,44 @@ def generate_data(n: int) -> List[Heartbeat]:
     return data
 
 
-def post_data_sync(data: List[Heartbeat], url: str):
-    for h in data:
+def post_data_sync(data: List[Heartbeat], url: str, api_key: str):
+    encoded_key: str = str(base64.b64encode(api_key.encode('utf-8')), 'utf-8')
+
+    for h in tqdm(data):
         r = requests.post(url, json=[h.__dict__], headers={
-            'User-Agent': UA
+            'User-Agent': UA,
+            'Authorization': f'Basic {encoded_key}',
+            'X-Machine-Name': MACHINE,
         })
-        if r.status_code != 200:
+        if r.status_code != 201:
             print(r.text)
             sys.exit(1)
 
 
 def randomword(length: int) -> str:
     letters = string.ascii_lowercase
-    return ''.join(random.choice(letters) for i in range(length))
+    return ''.join(random.choice(letters) for _ in range(length))
+
+
+def parse_arguments():
+    parser = argparse.ArgumentParser(description='Wakapi test data insertion script.')
+    parser.add_argument('-n', type=int, default=20, help='total number of random heartbeats to generate and insert')
+    parser.add_argument('-u', '--url', type=str, default='http://localhost:3000/api/heartbeat',
+                        help='url of your api\'s heartbeats endpoint')
+    parser.add_argument('-k', '--apikey', type=str, required=True,
+                        help='your api key (to get one, go to the web interface, create a new user, log in and copy the key)')
+    parser.add_argument('-p', '--projects', type=int, default=5, help='number of different fake projects to generate')
+    parser.add_argument('-o', '--offset', type=int, default=24,
+                        help='negative time offset in hours from now for to be used as an interval within which to generate heartbeats for')
+    parser.add_argument('-s', '--seed', type=int, default=2020,
+                        help='a seed for initializing the pseudo-random number generator')
+    return parser.parse_args()
 
 
 if __name__ == '__main__':
-    n: int = 10
-    url: str = 'http://admin:admin@localhost:3000/api/heartbeat'
+    args = parse_arguments()
 
-    if len(sys.argv) > 1:
-        n = int(sys.argv[1])
-    if len(sys.argv) > 2:
-        url = sys.argv[2]
+    random.seed(args.seed)
 
-    data: List[Heartbeat] = generate_data(n)
-    post_data_sync(data, url)
+    data: List[Heartbeat] = generate_data(args.n, args.projects, args.offset)
+    post_data_sync(data, args.url, args.apikey)

services/aggregation.go

@@ -1,34 +1,32 @@
 package services
 
 import (
-	"log"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
 	"runtime"
 	"time"
 
-	"github.com/jasonlvhit/gocron"
-	"github.com/jinzhu/gorm"
+	"github.com/go-co-op/gocron"
 	"github.com/muety/wakapi/models"
 )
 
 const (
-	aggregateIntervalDays int = 1 // TODO: Make configurable
+	aggregateIntervalDays int = 1
 )
 
 type AggregationService struct {
-	Config           *models.Config
-	Db               *gorm.DB
-	UserService      *UserService
-	SummaryService   *SummaryService
-	HeartbeatService *HeartbeatService
+	config           *config.Config
+	userService      IUserService
+	summaryService   ISummaryService
+	heartbeatService IHeartbeatService
 }
 
-func NewAggregationService(db *gorm.DB, userService *UserService, summaryService *SummaryService, heartbeatService *HeartbeatService) *AggregationService {
+func NewAggregationService(userService IUserService, summaryService ISummaryService, heartbeatService IHeartbeatService) *AggregationService {
 	return &AggregationService{
-		Config:           models.GetConfig(),
-		Db:               db,
-		UserService:      userService,
-		SummaryService:   summaryService,
-		HeartbeatService: heartbeatService,
+		config:           config.Get(),
+		userService:      userService,
+		summaryService:   summaryService,
+		heartbeatService: heartbeatService,
 	}
 }
 
@@ -39,34 +37,45 @@ type AggregationJob struct {
 }
 
 // Schedule a job to (re-)generate summaries every day shortly after midnight
-// TODO: Make configurable
 func (srv *AggregationService) Schedule() {
+	// Run once initially
+	if err := srv.Run(nil); err != nil {
+		logbuch.Fatal("failed to run AggregationJob: %v", err)
+	}
+
+	s := gocron.NewScheduler(time.Local)
+	s.Every(1).Day().At(srv.config.App.AggregationTime).Do(srv.Run, map[string]bool{})
+	s.StartBlocking()
+}
+
+func (srv *AggregationService) Run(userIds map[string]bool) error {
 	jobs := make(chan *AggregationJob)
 	summaries := make(chan *models.Summary)
-	defer close(jobs)
-	defer close(summaries)
 
 	for i := 0; i < runtime.NumCPU(); i++ {
 		go srv.summaryWorker(jobs, summaries)
 	}
 
-	for i := 0; i < int(srv.Config.DbMaxConn); i++ {
+	for i := 0; i < int(srv.config.Db.MaxConn); i++ {
 		go srv.persistWorker(summaries)
 	}
 
-	// Run once initially
-	srv.trigger(jobs)
+	// don't leak open channels
+	go func(c1 chan *AggregationJob, c2 chan *models.Summary) {
+		defer close(c1)
+		defer close(c2)
+		time.Sleep(1 * time.Hour)
+	}(jobs, summaries)
 
-	gocron.Every(1).Day().At("02:15").Do(srv.trigger, jobs)
-	<-gocron.Start()
+	return srv.trigger(jobs, userIds)
 }
 
 func (srv *AggregationService) summaryWorker(jobs <-chan *AggregationJob, summaries chan<- *models.Summary) {
 	for job := range jobs {
-		if summary, err := srv.SummaryService.Construct(job.From, job.To, &models.User{ID: job.UserID}, true); err != nil {
-			log.Printf("Failed to generate summary (%v, %v, %s) – %v.\n", job.From, job.To, job.UserID, err)
+		if summary, err := srv.summaryService.Summarize(job.From, job.To, &models.User{ID: job.UserID}); err != nil {
+			logbuch.Error("failed to generate summary (%v, %v, %s) – %v", job.From, job.To, job.UserID, err)
 		} else {
-			log.Printf("Successfully generated summary (%v, %v, %s).\n", job.From, job.To, job.UserID)
+			logbuch.Info("successfully generated summary (%v, %v, %s)", job.From, job.To, job.UserID)
 			summaries <- summary
 		}
 	}
@@ -74,72 +83,83 @@ func (srv *AggregationService) summaryWorker(jobs <-chan *AggregationJob, summar
 
 func (srv *AggregationService) persistWorker(summaries <-chan *models.Summary) {
 	for summary := range summaries {
-		if err := srv.SummaryService.Insert(summary); err != nil {
-			log.Printf("Failed to save summary (%v, %v, %s) – %v.\n", summary.UserID, summary.FromTime, summary.ToTime, err)
+		if err := srv.summaryService.Insert(summary); err != nil {
+			logbuch.Error("failed to save summary (%v, %v, %s) – %v", summary.UserID, summary.FromTime, summary.ToTime, err)
 		}
 	}
 }
 
-func (srv *AggregationService) trigger(jobs chan<- *AggregationJob) error {
-	log.Println("Generating summaries.")
+func (srv *AggregationService) trigger(jobs chan<- *AggregationJob, userIds map[string]bool) error {
+	logbuch.Info("generating summaries")
 
-	users, err := srv.UserService.GetAll()
-	if err != nil {
-		log.Println(err)
+	var users []*models.User
+	if allUsers, err := srv.userService.GetAll(); err != nil {
+		logbuch.Error(err.Error())
 		return err
-	}
-
-	latestSummaries, err := srv.SummaryService.GetLatestByUser()
-	if err != nil {
-		log.Println(err)
-		return err
-	}
-
-	userSummaryTimes := make(map[string]time.Time)
-	for _, s := range latestSummaries {
-		userSummaryTimes[s.UserID] = s.ToTime
-	}
-
-	missingUserIDs := make([]string, 0)
-	for _, u := range users {
-		if _, ok := userSummaryTimes[u.ID]; !ok {
-			missingUserIDs = append(missingUserIDs, u.ID)
+	} else if userIds != nil && len(userIds) > 0 {
+		users = make([]*models.User, 0)
+		for _, u := range allUsers {
+			if yes, ok := userIds[u.ID]; yes && ok {
+				users = append(users, u)
+			}
 		}
+	} else {
+		users = allUsers
 	}
 
-	firstHeartbeats, err := srv.HeartbeatService.GetFirstUserHeartbeats(missingUserIDs)
+	// Get a map from user ids to the time of their latest summary or nil if none exists yet
+	lastUserSummaryTimes, err := srv.summaryService.GetLatestByUser()
 	if err != nil {
-		log.Println(err)
+		logbuch.Error(err.Error())
 		return err
 	}
 
-	for id, t := range userSummaryTimes {
-		generateUserJobs(id, t, jobs)
+	// Get a map from user ids to the time of their earliest heartbeats or nil if none exists yet
+	firstUserHeartbeatTimes, err := srv.heartbeatService.GetFirstByUsers()
+	if err != nil {
+		logbuch.Error(err.Error())
+		return err
 	}
 
-	for _, h := range firstHeartbeats {
-		generateUserJobs(h.UserID, time.Time(h.Time), jobs)
+	// Build actual lookup table from it
+	firstUserHeartbeatLookup := make(map[string]models.CustomTime)
+	for _, e := range firstUserHeartbeatTimes {
+		firstUserHeartbeatLookup[e.User] = e.Time
+	}
+
+	// Generate summary aggregation jobs
+	for _, e := range lastUserSummaryTimes {
+		if e.Time.Valid() {
+			// Case 1: User has aggregated summaries already
+			// -> Spawn jobs to create summaries from their latest aggregation to now
+			generateUserJobs(e.User, e.Time.T(), jobs)
+		} else if t := firstUserHeartbeatLookup[e.User]; t.Valid() {
+			// Case 2: User has no aggregated summaries, yet, but has heartbeats
+			// -> Spawn jobs to create summaries from their first heartbeat to now
+			generateUserJobs(e.User, t.T(), jobs)
+		}
+		// Case 3: User doesn't have heartbeats at all
+		// -> Nothing to do
 	}
 
 	return nil
 }
 
-func generateUserJobs(userId string, lastAggregation time.Time, jobs chan<- *AggregationJob) {
-	var from, to time.Time
+func generateUserJobs(userId string, from time.Time, jobs chan<- *AggregationJob) {
+	var to time.Time
+
+	// Go to next day of either user's first heartbeat or latest aggregation
+	from.Add(-1 * time.Second)
+	from = time.Date(
+		from.Year(),
+		from.Month(),
+		from.Day()+aggregateIntervalDays,
+		0, 0, 0, 0,
+		from.Location(),
+	)
+
+	// Iteratively aggregate per-day summaries until end of yesterday is reached
 	end := getStartOfToday().Add(-1 * time.Second)
-
-	if lastAggregation.Hour() == 0 {
-		from = lastAggregation
-	} else {
-		from = time.Date(
-			lastAggregation.Year(),
-			lastAggregation.Month(),
-			lastAggregation.Day()+aggregateIntervalDays,
-			0, 0, 0, 0,
-			lastAggregation.Location(),
-		)
-	}
-
 	for from.Before(end) && to.Before(end) {
 		to = time.Date(
 			from.Year(),

services/alias.go

@@ -2,53 +2,114 @@ package services
 
 import (
 	"errors"
-	"sync"
-
-	"github.com/jinzhu/gorm"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+	"sync"
 )
 
 type AliasService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	config     *config.Config
+	repository repositories.IAliasRepository
 }
 
-func NewAliasService(db *gorm.DB) *AliasService {
+func NewAliasService(aliasRepo repositories.IAliasRepository) *AliasService {
 	return &AliasService{
-		Config: models.GetConfig(),
-		Db:     db,
+		config:     config.Get(),
+		repository: aliasRepo,
 	}
 }
 
 var userAliases sync.Map
 
-func (srv *AliasService) LoadUserAliases(userId string) error {
-	var aliases []*models.Alias
-	if err := srv.Db.
-		Where(&models.Alias{UserID: userId}).
-		Find(&aliases).Error; err != nil {
-		return err
-	}
-
-	userAliases.Store(userId, aliases)
-	return nil
-}
-
-func (srv *AliasService) GetAliasOrDefault(userId string, summaryType uint8, value string) (string, error) {
-	if ua, ok := userAliases.Load(userId); ok {
-		for _, a := range ua.([]*models.Alias) {
-			if a.Type == summaryType && a.Value == value {
-				return a.Key, nil
-			}
-		}
-		return value, nil
-	}
-	return "", errors.New("user aliases not initialized")
-}
-
-func (src *AliasService) IsInitialized(userId string) bool {
+func (srv *AliasService) IsInitialized(userId string) bool {
 	if _, ok := userAliases.Load(userId); ok {
 		return true
 	}
 	return false
 }
+
+func (srv *AliasService) InitializeUser(userId string) error {
+	aliases, err := srv.repository.GetByUser(userId)
+	if err == nil {
+		userAliases.Store(userId, aliases)
+	}
+	return err
+}
+
+func (srv *AliasService) GetByUser(userId string) ([]*models.Alias, error) {
+	aliases, err := srv.repository.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
+
+func (srv *AliasService) GetByUserAndKeyAndType(userId, key string, summaryType uint8) ([]*models.Alias, error) {
+	aliases, err := srv.repository.GetByUserAndKeyAndType(userId, key, summaryType)
+	if err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
+
+func (srv *AliasService) GetAliasOrDefault(userId string, summaryType uint8, value string) (string, error) {
+	if !srv.IsInitialized(userId) {
+		if err := srv.InitializeUser(userId); err != nil {
+			return "", err
+		}
+	}
+
+	aliases, _ := userAliases.Load(userId)
+	for _, a := range aliases.([]*models.Alias) {
+		if a.Type == summaryType && a.Value == value {
+			return a.Key, nil
+		}
+	}
+	return value, nil
+}
+
+func (srv *AliasService) Create(alias *models.Alias) (*models.Alias, error) {
+	result, err := srv.repository.Insert(alias)
+	if err != nil {
+		return nil, err
+	}
+	go srv.reinitUser(alias.UserID)
+	return result, nil
+}
+
+func (srv *AliasService) Delete(alias *models.Alias) error {
+	if alias.UserID == "" {
+		return errors.New("no user id specified")
+	}
+	err := srv.repository.Delete(alias.ID)
+	go srv.reinitUser(alias.UserID)
+	return err
+}
+
+func (srv *AliasService) DeleteMulti(aliases []*models.Alias) error {
+	ids := make([]uint, len(aliases))
+	affectedUsers := make(map[string]bool)
+	for i, a := range aliases {
+		if a.UserID == "" {
+			return errors.New("no user id specified")
+		}
+		affectedUsers[a.UserID] = true
+		ids[i] = a.ID
+	}
+
+	err := srv.repository.DeleteBatch(ids)
+
+	for k := range affectedUsers {
+		go srv.reinitUser(k)
+	}
+
+	return err
+}
+
+func (srv *AliasService) reinitUser(userId string) {
+	if err := srv.InitializeUser(userId); err != nil {
+		logbuch.Error("error initializing user aliases – %v", err)
+	}
+}

services/alias_test.go

@@ -0,0 +1,63 @@
+package services
+
+import (
+	"github.com/muety/wakapi/mocks"
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/mock"
+	"github.com/stretchr/testify/suite"
+	"testing"
+)
+
+type AliasServiceTestSuite struct {
+	suite.Suite
+	TestUserId      string
+	AliasRepository *mocks.AliasRepositoryMock
+}
+
+func (suite *AliasServiceTestSuite) SetupSuite() {
+	suite.TestUserId = "johndoe@example.org"
+
+	aliases := []*models.Alias{
+		{
+			Type:   models.SummaryProject,
+			UserID: suite.TestUserId,
+			Key:    "wakapi",
+			Value:  "wakapi-mobile",
+		},
+	}
+
+	aliasRepoMock := new(mocks.AliasRepositoryMock)
+	aliasRepoMock.On("GetByUser", suite.TestUserId).Return(aliases, nil)
+	aliasRepoMock.On("GetByUser", mock.AnythingOfType("string")).Return([]*models.Alias{}, assert.AnError)
+
+	suite.AliasRepository = aliasRepoMock
+}
+
+func TestAliasServiceTestSuite(t *testing.T) {
+	suite.Run(t, new(AliasServiceTestSuite))
+}
+
+func (suite *AliasServiceTestSuite) TestAliasService_GetAliasOrDefault() {
+	sut := NewAliasService(suite.AliasRepository)
+
+	result1, err1 := sut.GetAliasOrDefault(suite.TestUserId, models.SummaryProject, "wakapi-mobile")
+	result2, err2 := sut.GetAliasOrDefault(suite.TestUserId, models.SummaryProject, "wakapi")
+	result3, err3 := sut.GetAliasOrDefault(suite.TestUserId, models.SummaryProject, "anchr")
+
+	assert.Equal(suite.T(), "wakapi", result1)
+	assert.Nil(suite.T(), err1)
+	assert.Equal(suite.T(), "wakapi", result2)
+	assert.Nil(suite.T(), err2)
+	assert.Equal(suite.T(), "anchr", result3)
+	assert.Nil(suite.T(), err3)
+}
+
+func (suite *AliasServiceTestSuite) TestAliasService_GetAliasOrDefault_ErrorOnNonExistingUser() {
+	sut := NewAliasService(suite.AliasRepository)
+
+	result, err := sut.GetAliasOrDefault("nonexisting", models.SummaryProject, "wakapi-mobile")
+
+	assert.Empty(suite.T(), result)
+	assert.Error(suite.T(), err)
+}

services/heartbeat.go

@@ -1,94 +1,68 @@
 package services
 
 import (
-	"github.com/jasonlvhit/gocron"
-	"github.com/muety/wakapi/utils"
-	"log"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/repositories"
 	"time"
 
-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/models"
-	gormbulk "github.com/t-tiger/gorm-bulk-insert"
-)
-
-const (
-	TableHeartbeat  = "heartbeat"
-	cleanUpInterval = time.Duration(aggregateIntervalDays) * 2 * 24 * time.Hour
 )
 
 type HeartbeatService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	config              *config.Config
+	repository          repositories.IHeartbeatRepository
+	languageMappingSrvc ILanguageMappingService
 }
 
-func NewHeartbeatService(db *gorm.DB) *HeartbeatService {
+func NewHeartbeatService(heartbeatRepo repositories.IHeartbeatRepository, languageMappingService ILanguageMappingService) *HeartbeatService {
 	return &HeartbeatService{
-		Config: models.GetConfig(),
-		Db:     db,
+		config:              config.Get(),
+		repository:          heartbeatRepo,
+		languageMappingSrvc: languageMappingService,
 	}
 }
 
+func (srv *HeartbeatService) Insert(heartbeat *models.Heartbeat) error {
+	return srv.repository.InsertBatch([]*models.Heartbeat{heartbeat})
+}
+
 func (srv *HeartbeatService) InsertBatch(heartbeats []*models.Heartbeat) error {
-	var batch []interface{}
-	for _, h := range heartbeats {
-		batch = append(batch, *h)
-	}
+	return srv.repository.InsertBatch(heartbeats)
+}
 
-	if err := gormbulk.BulkInsert(srv.Db, batch, 3000); err != nil {
-		return err
-	}
-	return nil
+func (srv *HeartbeatService) CountByUser(user *models.User) (int64, error) {
+	return srv.repository.CountByUser(user)
 }
 
 func (srv *HeartbeatService) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
-	var heartbeats []*models.Heartbeat
-	if err := srv.Db.
-		Where(&models.Heartbeat{UserID: user.ID}).
-		Where("time >= ?", from).
-		Where("time <= ?", to).
-		Order("time asc").
-		Find(&heartbeats).Error; err != nil {
+	heartbeats, err := srv.repository.GetAllWithin(from, to, user)
+	if err != nil {
 		return nil, err
 	}
-	return heartbeats, nil
+	return srv.augmented(heartbeats, user.ID)
 }
 
-// Will return *models.Heartbeat object with only user_id and time fields filled
-func (srv *HeartbeatService) GetFirstUserHeartbeats(userIds []string) ([]*models.Heartbeat, error) {
-	var heartbeats []*models.Heartbeat
-	if err := srv.Db.
-		Table("heartbeats").
-		Select("user_id, min(time) as time").
-		Where("user_id IN (?)", userIds).
-		Group("user_id").
-		Scan(&heartbeats).Error; err != nil {
-		return nil, err
-	}
-	return heartbeats, nil
+func (srv *HeartbeatService) GetLatestByOriginAndUser(origin string, user *models.User) (*models.Heartbeat, error) {
+	return srv.repository.GetLatestByOriginAndUser(origin, user)
+}
+
+func (srv *HeartbeatService) GetFirstByUsers() ([]*models.TimeByUser, error) {
+	return srv.repository.GetFirstByUsers()
 }
 
 func (srv *HeartbeatService) DeleteBefore(t time.Time) error {
-	if err := srv.Db.
-		Where("time <= ?", t).
-		Delete(models.Heartbeat{}).Error; err != nil {
-		return err
+	return srv.repository.DeleteBefore(t)
+}
+
+func (srv *HeartbeatService) augmented(heartbeats []*models.Heartbeat, userId string) ([]*models.Heartbeat, error) {
+	languageMapping, err := srv.languageMappingSrvc.ResolveByUser(userId)
+	if err != nil {
+		return nil, err
 	}
-	return nil
-}
 
-func (srv *HeartbeatService) CleanUp() error {
-	refTime := utils.StartOfDay().Add(-cleanUpInterval)
-	if err := srv.DeleteBefore(refTime); err != nil {
-		log.Printf("Failed to clean up heartbeats older than %v – %v\n", refTime, err)
-		return err
+	for i := range heartbeats {
+		heartbeats[i].Augment(languageMapping)
 	}
-	log.Printf("Successfully cleaned up heartbeats older than %v\n", refTime)
-	return nil
-}
 
-func (srv *HeartbeatService) ScheduleCleanUp() {
-	srv.CleanUp()
-
-	gocron.Every(1).Day().At("02:30").Do(srv.CleanUp)
-	<-gocron.Start()
+	return heartbeats, nil
 }

services/imports/importers.go

@@ -0,0 +1,11 @@
+package imports
+
+import (
+	"github.com/muety/wakapi/models"
+	"time"
+)
+
+type HeartbeatImporter interface {
+	Import(*models.User, time.Time, time.Time) <-chan *models.Heartbeat
+	ImportAll(*models.User) <-chan *models.Heartbeat
+}

services/imports/wakatime.go

@@ -0,0 +1,240 @@
+package imports
+
+import (
+	"context"
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	wakatime "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/utils"
+	"go.uber.org/atomic"
+	"golang.org/x/sync/semaphore"
+	"net/http"
+	"time"
+)
+
+const OriginWakatime = "wakatime"
+const maxWorkers = 6
+
+type WakatimeHeartbeatImporter struct {
+	ApiKey string
+}
+
+func NewWakatimeHeartbeatImporter(apiKey string) *WakatimeHeartbeatImporter {
+	return &WakatimeHeartbeatImporter{
+		ApiKey: apiKey,
+	}
+}
+
+func (w *WakatimeHeartbeatImporter) Import(user *models.User, minFrom time.Time, maxTo time.Time) <-chan *models.Heartbeat {
+	out := make(chan *models.Heartbeat)
+
+	go func(user *models.User, out chan *models.Heartbeat) {
+		startDate, endDate, err := w.fetchRange()
+		if err != nil {
+			logbuch.Error("failed to fetch date range while importing wakatime heartbeats for user '%s' – %v", user.ID, err)
+			return
+		}
+
+		if startDate.Before(minFrom) {
+			startDate = minFrom
+		}
+		if endDate.After(maxTo) {
+			endDate = maxTo
+		}
+
+		userAgents, err := w.fetchUserAgents()
+		if err != nil {
+			logbuch.Error("failed to fetch user agents while importing wakatime heartbeats for user '%s' – %v", user.ID, err)
+			return
+		}
+
+		days := generateDays(startDate, endDate)
+
+		c := atomic.NewUint32(uint32(len(days)))
+		ctx := context.TODO()
+		sem := semaphore.NewWeighted(maxWorkers)
+
+		for _, d := range days {
+			if err := sem.Acquire(ctx, 1); err != nil {
+				logbuch.Error("failed to acquire semaphore – %v", err)
+				break
+			}
+
+			go func(day time.Time) {
+				defer sem.Release(1)
+
+				d := day.Format("2006-01-02")
+				heartbeats, err := w.fetchHeartbeats(d)
+				if err != nil {
+					logbuch.Error("failed to fetch heartbeats for day '%s' and user '%s' – &v", day, user.ID, err)
+				}
+
+				for _, h := range heartbeats {
+					out <- mapHeartbeat(h, userAgents, user)
+				}
+
+				if c.Dec() == 0 {
+					close(out)
+				}
+			}(d)
+		}
+	}(user, out)
+
+	return out
+}
+
+func (w *WakatimeHeartbeatImporter) ImportAll(user *models.User) <-chan *models.Heartbeat {
+	return w.Import(user, time.Time{}, time.Now())
+}
+
+// https://wakatime.com/api/v1/users/current/heartbeats?date=2021-02-05
+func (w *WakatimeHeartbeatImporter) fetchHeartbeats(day string) ([]*wakatime.HeartbeatEntry, error) {
+	httpClient := &http.Client{Timeout: 10 * time.Second}
+
+	req, err := http.NewRequest(http.MethodGet, config.WakatimeApiUrl+config.WakatimeApiHeartbeatsUrl, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	q := req.URL.Query()
+	q.Add("date", day)
+	req.URL.RawQuery = q.Encode()
+
+	res, err := httpClient.Do(w.withHeaders(req))
+	if err != nil {
+		return nil, err
+	}
+
+	var heartbeatsData wakatime.HeartbeatsViewModel
+	if err := json.NewDecoder(res.Body).Decode(&heartbeatsData); err != nil {
+		return nil, err
+	}
+
+	return heartbeatsData.Data, nil
+}
+
+// https://wakatime.com/api/v1/users/current/all_time_since_today
+func (w *WakatimeHeartbeatImporter) fetchRange() (time.Time, time.Time, error) {
+	httpClient := &http.Client{Timeout: 10 * time.Second}
+
+	notime := time.Time{}
+
+	req, err := http.NewRequest(http.MethodGet, config.WakatimeApiUrl+config.WakatimeApiAllTimeUrl, nil)
+	if err != nil {
+		return notime, notime, err
+	}
+
+	res, err := httpClient.Do(w.withHeaders(req))
+	if err != nil {
+		return notime, notime, err
+	}
+
+	var allTimeData map[string]interface{}
+	if err := json.NewDecoder(res.Body).Decode(&allTimeData); err != nil {
+		return notime, notime, err
+	}
+
+	data := allTimeData["data"].(map[string]interface{})
+	if data == nil {
+		return notime, notime, errors.New("invalid response")
+	}
+
+	dataRange := data["range"].(map[string]interface{})
+	if dataRange == nil {
+		return notime, notime, errors.New("invalid response")
+	}
+
+	startDate, err := time.Parse("2006-01-02", dataRange["start_date"].(string))
+	if err != nil {
+		return notime, notime, err
+	}
+
+	endDate, err := time.Parse("2006-01-02", dataRange["end_date"].(string))
+	if err != nil {
+		return notime, notime, err
+	}
+
+	return startDate, endDate, nil
+}
+
+// https://wakatime.com/api/v1/users/current/user_agents
+func (w *WakatimeHeartbeatImporter) fetchUserAgents() (map[string]*wakatime.UserAgentEntry, error) {
+	httpClient := &http.Client{Timeout: 10 * time.Second}
+
+	req, err := http.NewRequest(http.MethodGet, config.WakatimeApiUrl+config.WakatimeApiUserAgentsUrl, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	res, err := httpClient.Do(w.withHeaders(req))
+	if err != nil {
+		return nil, err
+	}
+
+	var userAgentsData wakatime.UserAgentsViewModel
+	if err := json.NewDecoder(res.Body).Decode(&userAgentsData); err != nil {
+		return nil, err
+	}
+
+	userAgents := make(map[string]*wakatime.UserAgentEntry)
+	for _, ua := range userAgentsData.Data {
+		userAgents[ua.Id] = ua
+	}
+
+	return userAgents, nil
+}
+
+func (w *WakatimeHeartbeatImporter) withHeaders(req *http.Request) *http.Request {
+	req.Header.Set("Authorization", fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(w.ApiKey))))
+	return req
+}
+
+func mapHeartbeat(
+	entry *wakatime.HeartbeatEntry,
+	userAgents map[string]*wakatime.UserAgentEntry,
+	user *models.User,
+) *models.Heartbeat {
+	ua := userAgents[entry.UserAgentId]
+	if ua == nil {
+		ua = &wakatime.UserAgentEntry{
+			Editor: "unknown",
+			Os:     "unknown",
+		}
+	}
+
+	return (&models.Heartbeat{
+		User:            user,
+		UserID:          user.ID,
+		Entity:          entry.Entity,
+		Type:            entry.Type,
+		Category:        entry.Category,
+		Project:         entry.Project,
+		Branch:          entry.Branch,
+		Language:        entry.Language,
+		IsWrite:         entry.IsWrite,
+		Editor:          ua.Editor,
+		OperatingSystem: ua.Os,
+		Machine:         entry.MachineNameId, // TODO
+		Time:            entry.Time,
+		Origin:          OriginWakatime,
+		OriginId:        entry.Id,
+	}).Hashed()
+}
+
+func generateDays(from, to time.Time) []time.Time {
+	days := make([]time.Time, 0)
+
+	from = utils.StartOfDay(from)
+	to = utils.StartOfDay(to.Add(24 * time.Hour))
+
+	for d := from; d.Before(to); d = d.Add(24 * time.Hour) {
+		days = append(days, d)
+	}
+
+	return days
+}

services/key_value.go

@@ -0,0 +1,42 @@
+package services
+
+import (
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+)
+
+type KeyValueService struct {
+	config     *config.Config
+	repository repositories.IKeyValueRepository
+}
+
+func NewKeyValueService(keyValueRepo repositories.IKeyValueRepository) *KeyValueService {
+	return &KeyValueService{
+		config:     config.Get(),
+		repository: keyValueRepo,
+	}
+}
+
+func (srv *KeyValueService) GetString(key string) (*models.KeyStringValue, error) {
+	return srv.repository.GetString(key)
+}
+
+func (srv *KeyValueService) MustGetString(key string) *models.KeyStringValue {
+	kv, err := srv.repository.GetString(key)
+	if err != nil {
+		return &models.KeyStringValue{
+			Key:   key,
+			Value: "",
+		}
+	}
+	return kv
+}
+
+func (srv *KeyValueService) PutString(kv *models.KeyStringValue) error {
+	return srv.repository.PutString(kv)
+}
+
+func (srv *KeyValueService) DeleteString(key string) error {
+	return srv.repository.DeleteString(key)
+}

services/language_mapping.go

@@ -0,0 +1,78 @@
+package services
+
+import (
+	"errors"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+	"github.com/patrickmn/go-cache"
+	"time"
+)
+
+type LanguageMappingService struct {
+	config     *config.Config
+	cache      *cache.Cache
+	repository repositories.ILanguageMappingRepository
+}
+
+func NewLanguageMappingService(languageMappingsRepo repositories.ILanguageMappingRepository) *LanguageMappingService {
+	return &LanguageMappingService{
+		config:     config.Get(),
+		repository: languageMappingsRepo,
+		cache:      cache.New(24*time.Hour, 24*time.Hour),
+	}
+}
+
+func (srv *LanguageMappingService) GetById(id uint) (*models.LanguageMapping, error) {
+	return srv.repository.GetById(id)
+}
+
+func (srv *LanguageMappingService) GetByUser(userId string) ([]*models.LanguageMapping, error) {
+	if mappings, found := srv.cache.Get(userId); found {
+		return mappings.([]*models.LanguageMapping), nil
+	}
+
+	mappings, err := srv.repository.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+	srv.cache.Set(userId, mappings, cache.DefaultExpiration)
+	return mappings, nil
+}
+
+func (srv *LanguageMappingService) ResolveByUser(userId string) (map[string]string, error) {
+	mappings := srv.getServerMappings()
+	userMappings, err := srv.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, m := range userMappings {
+		mappings[m.Extension] = m.Language
+	}
+	return mappings, nil
+}
+
+func (srv *LanguageMappingService) Create(mapping *models.LanguageMapping) (*models.LanguageMapping, error) {
+	result, err := srv.repository.Insert(mapping)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.Delete(result.UserID)
+	return result, nil
+}
+
+func (srv *LanguageMappingService) Delete(mapping *models.LanguageMapping) error {
+	if mapping.UserID == "" {
+		return errors.New("no user id specified")
+	}
+	err := srv.repository.Delete(mapping.ID)
+	srv.cache.Delete(mapping.UserID)
+	return err
+}
+
+func (srv *LanguageMappingService) getServerMappings() map[string]string {
+	// https://dave.cheney.net/2017/04/30/if-a-map-isnt-a-reference-variable-what-is-it
+	return srv.config.App.GetCustomLanguages()
+}