fix: wakatime relay

fix: missing summary api route
chore: test coverage report
2023-08-10 21:12:56 +03:00 · 2021-02-05 14:50:00 +01:00 · 2021-02-03 21:40:01 +01:00 · 2021-02-03 21:29:12 +01:00 · 2021-02-03 21:28:02 +01:00 · 2021-02-03 20:53:27 +01:00
115 changed files with 5057 additions and 2784 deletions
--- a/.dockerignore
+++ b/.dockerignore
@ -1 +1,10 @@
-.env
+.env
+config*.yml
+!config.default.yml
+*.db
+*.exe
+wakapi
+Dockerfile
+docker-compose.yml
+.dockerignore
+.git*
--- a/.github/workflows/docker.yml
+++ b/.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
--- a/.github/workflows/linux-build-on-release.yml
+++ b/.github/workflows/linux-build-on-release.yml
@ -1,13 +1,16 @@
 name: Build Wakapi on Linux

 on:
+  push:
+    branches:
+  pull_request:
  release:
-    types: 
-      - created
+    types:
+      - published

 jobs:
  build-and-release:
-    name: Build and add to Release
+    name: Build
    runs-on: ubuntu-latest
    steps:

@ -22,18 +25,21 @@ jobs:

    - name: Get dependencies
      run: |
-        go get -v -t -d ./...
-      
+        go get github.com/markbates/pkger/cmd/pkger
+        go get
+        go generate
+
    - name: Build
      run: GO111MODULE=on go build -v .

-    - name: Zip Release
-      uses: TheDoctor0/zip-release@v0.3.0
-      with:
-        filename: release.zip
-        exclusions: '*.git*'
+    - 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 }}
--- a/.github/workflows/win-build-on-release.yml
+++ b/.github/workflows/win-build-on-release.yml
@ -1,13 +1,16 @@
 name: Build Wakapi on Windows

 on:
+  push:
+    branches:
+  pull_request:
  release:
-    types: 
-      - created
+    types:
+      - published

 jobs:
  build-and-release:
-    name: Build and add to release
+    name: Build
    runs-on: windows-latest
    steps:

@ -22,18 +25,24 @@ jobs:

    - name: Get dependencies
      run: |
-        go get -v -t -d ./...
+        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
-      run: Compress-Archive -Path .\* -DestinationPath release.zip
+      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 }}
--- a/.gitignore
+++ b/.gitignore
@ -1,10 +1,10 @@
 launch.json
 .vscode
-.env
 wakapi
 .idea
 build
 *.exe
 *.db
-config.yml
-config.ini
+config*.yml
+!config.default.yml
+pkged.go
--- a/43
+++ b/43
@ -1,30 +1,32 @@
 # Build Stage

-FROM golang:1.13 AS build-env
+FROM golang:1.15 AS build-env
 WORKDIR /src
+
 ADD ./go.mod .
-RUN go mod download
+RUN go mod download && go get github.com/markbates/pkger/cmd/pkger

 ADD . .
-RUN go build -o wakapi
+RUN go generate && go build -o wakapi

-# Final Stage
+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 .
+
+# Run Stage

 # When running the application using `docker run`, you can pass environment variables
 # to override config values 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_BASE_PATH
+# Available options can be found in [README.md#-configuration](README.md#-configuration)

 FROM debian
 WORKDIR /app

+RUN apt update && \
+    apt install -y ca-certificates
+
 ENV ENVIRONMENT prod
 ENV WAKAPI_DB_TYPE sqlite3
 ENV WAKAPI_DB_USER ''
@ -32,19 +34,10 @@ ENV WAKAPI_DB_PASSWORD ''
 ENV WAKAPI_DB_HOST ''
 ENV WAKAPI_DB_NAME=/data/wakapi.db
 ENV WAKAPI_PASSWORD_SALT ''
+ENV WAKAPI_LISTEN_IPV4 '0.0.0.0'
+ENV WAKAPI_INSECURE_COOKIES 'true'

-COPY --from=build-env /src/wakapi /app/
-COPY --from=build-env /src/config.default.yml /app/config.yml
-COPY --from=build-env /src/version.txt /app/
-
-RUN sed -i 's/listen_ipv4: 127.0.0.1/listen_ipv4: 0.0.0.0/g' /app/config.yml
-RUN sed -i 's/insecure_cookies: false/insecure_cookies: true/g' /app/config.yml
-
-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

--- a/README.md
+++ b/README.md
@ -1,64 +1,148 @@
-# 📈 wakapi
+<h1 align="center">📊 Wakapi</h1>

-![](https://img.shields.io/github/license/muety/wakapi)
-![GitHub release (latest by date)](https://badges.fw-web.space/github/v/release/muety/wakapi)
-![GitHub code size in bytes](https://img.shields.io/github/languages/code-size/muety/wakapi)
-![Docker Cloud Build Status](https://badges.fw-web.space/docker/cloud/build/n1try/wakapi)
-![GitHub issues](https://img.shields.io/github/issues/muety/wakapi)
-![GitHub last commit](https://img.shields.io/github/last-commit/muety/wakapi)
-[![Say thanks](https://badges.fw-web.space/badge/SayThanks.io-%E2%98%BC-1EAEDB.svg)](https://saythanks.io/to/n1try)
-[![](https://badges.fw-web.space/liberapay/receives/muety.svg?logo=liberapay)](https://liberapay.com/muety/)
-![GitHub go.mod Go version](https://badges.fw-web.space/github/go-mod/go-version/muety/wakapi)
-[![Go Report Card](https://goreportcard.com/badge/github.com/muety/wakapi)](https://goreportcard.com/report/github.com/muety/wakapi)
-![Coding Activity](https://badges.fw-web.space/endpoint?url=https://wakapi.dev/api/compat/shields/v1/n1try/interval:any/project:wakapi&color=blue)
-[![Security Rating](https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=security_rating)](https://sonarcloud.io/dashboard?id=muety_wakapi)
-[![Maintainability Rating](https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=sqale_rating)](https://sonarcloud.io/dashboard?id=muety_wakapi)
-[![Technical Debt](https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=sqale_index)](https://sonarcloud.io/dashboard?id=muety_wakapi)
-[![Lines of Code](https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=ncloc)](https://sonarcloud.io/dashboard?id=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>

-**A minimalist, self-hosted WakaTime-compatible backend for coding statistics**
+<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>

-![Wakapi screenshot](https://anchr.io/i/bxQ69.png)
+<h3 align="center">A minimalist, self-hosted WakaTime-compatible backend for coding statistics.</h3>

-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!
+<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>

-## 👀 Hosted Service
-🔥 **New:** Wakapi is available as a hosted service now. Check out **[wakapi.dev](https://wakapi.dev)**. Please use responsibly.
+<p align="center">
+  <img src="https://anchr.io/i/bxQ69.png" width="500px">
+</p>

-To use the hosted version set `api_url = https://wakapi.dev/api/heartbeat`. However, we do not guarantee data persistence, so you might potentially lose your data if the service is taken down some day ❕
+## Table of Contents
+* [User Survey](#-user-survey)
+* [Features](#-features)
+* [How to use](#-how-to-use)
+* [Configuration Options](#-configuration-options)
+* [API Endpoints](#-api-endpoints)
+* [Prometheus Export](#-prometheus-export)
+* [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 relay to use both
+* ✅ Support for [Prometheus](https://github.com/muety/wakapi#%EF%B8%8F-prometheus-export) exports
+* ✅ Self-hosted
+
+## ⌨️ How to use?
+There are different options for how to use Wakapi, ranging from out 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 `config.default.yml` to `config.yml` and adapt it 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

-**As an alternative** to building from source you can also grab a pre-built [release](https://github.com/muety/wakapi/releases). Steps 2, 3 and 5 apply analogously.
+# Build the executable
+$ go generate
+$ go build -o wakapi

-**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` to `true` in `config.yml`. 
-
-### Run with Docker
-```
-docker run -d -p 3000:3000 --name wakapi n1try/wakapi
+# Run it
+$ ./wakapi
 ```

-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.
+**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`.

-## 🔧 Configuration
+### 💻 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. **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
+```
+
+Optionally, you can set up a [client-side proxy](docs/advanced_setup.md) in addition.
+
+## 🔧 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.

 | YAML Key                  | Environment Variable      | Default      | Description                                                         |
@ -66,48 +150,33 @@ You can specify configuration options either via a config file (default: `config
 | `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`    | Network address 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)                     |
+| `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) |

-## 💻 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.
+### 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_)

-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`
-```
-
-You can view your API Key after logging in to the web interface.
-
-## 🔵 Customization
-
-### 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.
-
-At the moment, this can only be done via raw database queries. For the above example, you would need to add two aliases, like this:
-
-```sql
-INSERT INTO aliases (`type`, `user_id`, `key`, `value`) VALUES (0, 'your_username', 'myapp-web', 'myapp-frontend');
-```
-
-#### Types
-* Project ~  type **0**
-* Language ~  type **1**
-* Editor ~ type **2**
-* OS ~  type **3**
-* Machine ~  type **4**
+### Client-side proxy (`optional`)
+See the [advanced setup instructions](docs/advanced_setup.md).

 ## 🔧 API Endpoints
 The following API endpoints are available. A more detailed Swagger documentation is about to come ([#40](https://github.com/muety/wakapi/issues/40)).
@ -128,15 +197,94 @@ It is a standalone webserver that connects to your Wakapi instance and exposes t

 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.

-## 🏷 Badges
-We recently introduced support for [Shields.io](https://shields.io) badges (see above). Visit your Wakapi server's settings page to see details.
-
 ## 👍 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 `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 ./...
+```
+
+## 🙏 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)
--- a/config.default.yml
+++ b/config.default.yml
@ -1,12 +1,16 @@
 env: development

 server:
-  listen_ipv4: 127.0.0.1
+  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
@ -18,8 +22,10 @@ db:
  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
+  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
--- a/config/config.go
+++ b/config/config.go
@ -4,8 +4,10 @@ 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"
@ -13,36 +15,43 @@ import (
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"io/ioutil"
-	"log"
+	"net/http"
 	"os"
 	"strings"
 )

 const (
-	defaultConfigPath          = "config.yml"
-	defaultConfigPathLegacy    = "config.ini"
-	defaultEnvConfigPathLegacy = ".env"
+	defaultConfigPath = "config.yml"

 	SQLDialectMysql    = "mysql"
 	SQLDialectPostgres = "postgres"
 	SQLDialectSqlite   = "sqlite3"
+
+	KeyLatestTotalTime  = "latest_total_time"
+	KeyLatestTotalUsers = "latest_total_users"
 )

-var (
-	cfg   *Config
-	cFlag *string
+const (
+	WakatimeApiUrl                = "https://wakatime.com/api/v1"
+	WakatimeApiHeartbeatsEndpoint = "/users/current/heartbeats.bulk"
+	WakatimeApiUserEndpoint       = "/users/current"
 )

+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"`
-	CustomLanguages map[string]string `yaml:"custom_languages"`
-	LanguageColors  map[string]string `yaml:"-"`
+	AggregationTime string                       `yaml:"aggregation_time" default:"02:15" env:"WAKAPI_AGGREGATION_TIME"`
+	CountingTime    string                       `yaml:"counting_time" default:"05:15" env:"WAKAPI_COUNTING_TIME"`
+	CustomLanguages map[string]string            `yaml:"custom_languages"`
+	Colors          map[string]map[string]string `yaml:"-"`
 }

 type securityConfig struct {
 	// 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:"-"`
 }

@ -52,14 +61,19 @@ type dbConfig struct {
 	User     string `env:"WAKAPI_DB_USER"`
 	Password string `env:"WAKAPI_DB_PASSWORD"`
 	Name     string `default:"wakapi_db.db" env:"WAKAPI_DB_NAME"`
-	Dialect  string `default:"sqlite3" env:"WAKAPI_DB_TYPE"`
+	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"`
-	BasePath   string `yaml:"base_path" default:"/" env:"WAKAPI_BASE_PATH"`
+	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 {
@ -71,15 +85,34 @@ type Config struct {
 	Server   serverConfig
 }

-func init() {
-	cFlag = flag.String("c", defaultConfigPath, "config file location")
-	flag.Parse()
+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:
@ -98,8 +131,8 @@ func (c *Config) GetMigrationFunc(dbDialect string) models.MigrationFunc {

 func (c *Config) GetFixturesFunc(dbDialect string) models.MigrationFunc {
 	return func(db *gorm.DB) error {
-		migrations := &migrate.FileMigrationSource{
-			Dir: "migrations/common/fixtures",
+		migrations := &migrate.HttpFileSystemMigrationSource{
+			FileSystem: pkger.Dir("/migrations"),
 		}

 		migrate.SetIgnoreUnknown(true)
@ -109,7 +142,7 @@ func (c *Config) GetFixturesFunc(dbDialect string) models.MigrationFunc {
 			return err
 		}

-		log.Printf("applied %d fixtures\n", n)
+		logbuch.Info("applied %d fixtures", n)
 		return nil
 	}
 }
@ -144,12 +177,18 @@ func mysqlConnectionString(config *dbConfig) string {
 }

 func postgresConnectionString(config *dbConfig) string {
-	return fmt.Sprintf("host=%s port=%d user=%s dbname=%s password=%s sslmode=disable",
+	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,
 	)
 }

@ -157,45 +196,64 @@ 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 := os.Open("version.txt")
+	file, err := pkger.Open("/version.txt")
 	if err != nil {
-		log.Fatal(err)
+		logbuch.Fatal(err.Error())
 	}
 	defer file.Close()

 	bytes, err := ioutil.ReadAll(file)
 	if err != nil {
-		log.Fatal(err)
+		logbuch.Fatal(err.Error())
 	}

-	return string(bytes)
+	return strings.TrimSpace(string(bytes))
 }

-func readLanguageColors() map[string]string {
+func readColors() map[string]map[string]string {
 	// 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"`
-	}
+	// 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)

-	data, err := ioutil.ReadFile("data/colors.json")
+	file, err := pkger.Open("/data/colors.json")
 	if err != nil {
-		log.Fatal(err)
+		logbuch.Fatal(err.Error())
+	}
+	defer file.Close()
+	bytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		logbuch.Fatal(err.Error())
 	}

-	if err := json.Unmarshal(data, &rawColors); err != nil {
-		log.Fatal(err)
-	}
-
-	for k, v := range rawColors {
-		colors[strings.ToLower(k)] = v.Color
+	if err := json.Unmarshal(bytes, &colors); err != nil {
+		logbuch.Fatal(err.Error())
 	}

 	return colors
@ -203,12 +261,18 @@ func readLanguageColors() map[string]string {

 func mustReadConfigLocation() string {
 	if _, err := os.Stat(*cFlag); err != nil {
-		log.Fatalf("failed to find config file at '%s'\n", *cFlag)
+		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
 }
@ -220,14 +284,15 @@ func Get() *Config {
 func Load() *Config {
 	config := &Config{}

-	maybeMigrateLegacyConfig()
+	flag.Parse()

 	if err := configor.New(&configor.Config{}).Load(config, mustReadConfigLocation()); err != nil {
-		log.Fatalf("failed to read config: %v\n", err)
+		logbuch.Fatal("failed to read config: %v", err)
 	}

 	config.Version = readVersion()
-	config.App.LanguageColors = readLanguageColors()
+	config.App.Colors = readColors()
+	config.Db.Dialect = resolveDbDialect(config.Db.Type)
 	config.Security.SecureCookie = securecookie.New(
 		securecookie.GenerateRandomKey(64),
 		securecookie.GenerateRandomKey(32),
@ -243,6 +308,14 @@ func Load() *Config {
 		}
 	}

+	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()
 }
--- a/config/config_test.go
+++ b/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))
+}
--- a/config/legacy.go
+++ b/config/legacy.go
@ -1,124 +0,0 @@
-package config
-
-import (
-	"github.com/joho/godotenv"
-	"gopkg.in/ini.v1"
-	"gopkg.in/yaml.v2"
-	"io/ioutil"
-	"log"
-	"os"
-	"strconv"
-)
-
-func maybeMigrateLegacyConfig() {
-	if yes, err := shouldMigrateLegacyConfig(); err != nil {
-		log.Fatalf("failed to determine whether to migrate legacy config: %v\n", err)
-	} else if yes {
-		log.Printf("migrating legacy config (%s, %s) to new format (%s); see https://github.com/muety/wakapi/issues/54\n", defaultConfigPathLegacy, defaultEnvConfigPathLegacy, defaultConfigPath)
-		if err := migrateLegacyConfig(); err != nil {
-			log.Fatalf("failed to migrate legacy config: %v\n", err)
-		}
-		log.Printf("config migration successful; please delete %s and %s now\n", defaultConfigPathLegacy, defaultEnvConfigPathLegacy)
-	}
-}
-
-func shouldMigrateLegacyConfig() (bool, error) {
-	if _, err := os.Stat(defaultConfigPath); err == nil {
-		return false, nil
-	} else if !os.IsNotExist(err) {
-		return true, err
-	}
-	return true, nil
-}
-
-func migrateLegacyConfig() error {
-	// step 1: read envVars file parameters
-	envFile, err := os.Open(defaultEnvConfigPathLegacy)
-	if err != nil {
-		return err
-	}
-	envVars, err := godotenv.Parse(envFile)
-	if err != nil {
-		return err
-	}
-
-	env := envVars["ENV"]
-	dbType := envVars["WAKAPI_DB_TYPE"]
-	dbUser := envVars["WAKAPI_DB_USER"]
-	dbPassword := envVars["WAKAPI_DB_PASSWORD"]
-	dbHost := envVars["WAKAPI_DB_HOST"]
-	dbName := envVars["WAKAPI_DB_NAME"]
-	dbPortStr := envVars["WAKAPI_DB_PORT"]
-	passwordSalt := envVars["WAKAPI_PASSWORD_SALT"]
-	dbPort, _ := strconv.Atoi(dbPortStr)
-
-	// step 2: read ini file
-	cfg, err := ini.Load(defaultConfigPathLegacy)
-	if err != nil {
-		return err
-	}
-
-	if dbType == "" {
-		dbType = SQLDialectSqlite
-	}
-
-	dbMaxConn := cfg.Section("database").Key("max_connections").MustUint(2)
-	addr := cfg.Section("server").Key("listen").MustString("127.0.0.1")
-	insecureCookies := 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()
-	}
-
-	basePathEnv, basePathEnvExists := os.LookupEnv("WAKAPI_BASE_PATH")
-	basePath := cfg.Section("server").Key("base_path").MustString("/")
-	if basePathEnvExists {
-		basePath = basePathEnv
-	}
-
-	// Read custom languages
-	customLangs := make(map[string]string)
-	languageKeys := cfg.Section("languages").Keys()
-	for _, k := range languageKeys {
-		customLangs[k.Name()] = k.MustString("unknown")
-	}
-
-	// step 3: instantiate config
-	config := &Config{
-		Env: env,
-		App: appConfig{
-			CustomLanguages: customLangs,
-		},
-		Security: securityConfig{
-			PasswordSalt:    passwordSalt,
-			InsecureCookies: insecureCookies,
-		},
-		Db: dbConfig{
-			Host:     dbHost,
-			Port:     uint(dbPort),
-			User:     dbUser,
-			Password: dbPassword,
-			Name:     dbName,
-			Dialect:  dbType,
-			MaxConn:  dbMaxConn,
-		},
-		Server: serverConfig{
-			Port:       port,
-			ListenIpV4: addr,
-			BasePath:   basePath,
-		},
-	}
-
-	// step 4: serialize to yaml
-	yamlConfig, err := yaml.Marshal(config)
-	if err != nil {
-		return err
-	}
-
-	// step 5: write file
-	if err := ioutil.WriteFile(defaultConfigPath, yamlConfig, 0600); err != nil {
-		return err
-	}
-
-	return nil
-}
--- a/config/templates.go
+++ b/config/templates.go
@ -2,6 +2,7 @@ package config

 const (
 	IndexTemplate    = "index.tpl.html"
+	LoginTemplate    = "login.tpl.html"
 	ImprintTemplate  = "imprint.tpl.html"
 	SignupTemplate   = "signup.tpl.html"
 	SettingsTemplate = "settings.tpl.html"
--- a/config/utils.go
+++ b/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
+}
--- a/coverage/coverage.out
+++ b/coverage/coverage.out
@ -0,0 +1,568 @@
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+github.com/muety/wakapi/utils/summary.go:26.40,28.22 2 0
+github.com/muety/wakapi/utils/summary.go:29.31,30.23 1 0
+github.com/muety/wakapi/utils/summary.go:31.66,32.42 1 0
+github.com/muety/wakapi/utils/summary.go:33.49,35.40 2 0
+github.com/muety/wakapi/utils/summary.go:36.41,37.43 1 0
+github.com/muety/wakapi/utils/summary.go:38.68,40.42 2 0
+github.com/muety/wakapi/utils/summary.go:41.35,42.43 1 0
+github.com/muety/wakapi/utils/summary.go:43.26,44.21 1 0
+github.com/muety/wakapi/utils/summary.go:45.10,46.39 1 0
+github.com/muety/wakapi/utils/summary.go:52.73,59.56 5 0
+github.com/muety/wakapi/utils/summary.go:73.2,80.8 2 0
+github.com/muety/wakapi/utils/summary.go:59.56,61.3 1 0
+github.com/muety/wakapi/utils/summary.go:61.8,63.17 2 0
+github.com/muety/wakapi/utils/summary.go:67.3,68.17 2 0
+github.com/muety/wakapi/utils/summary.go:63.17,65.4 1 0
+github.com/muety/wakapi/utils/summary.go:68.17,70.4 1 0
+github.com/muety/wakapi/utils/template.go:8.41,10.16 2 0
+github.com/muety/wakapi/utils/template.go:13.2,13.23 1 0
+github.com/muety/wakapi/utils/template.go:10.16,12.3 1 0
+github.com/muety/wakapi/utils/template.go:16.37,17.30 1 0
+github.com/muety/wakapi/utils/template.go:20.2,20.10 1 0
+github.com/muety/wakapi/utils/template.go:17.30,19.3 1 0
--- a/data/colors.json
+++ b/data/colors.json
--- a/docs/advanced_setup.md
+++ b/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
--- a/go.mod
+++ b/go.mod
@ -3,25 +3,28 @@ module github.com/muety/wakapi
 go 1.13

 require (
+	github.com/emvi/logbuch v1.1.1
+	github.com/go-co-op/gocron v0.3.3
 	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/configor v1.2.0
-	github.com/joho/godotenv v1.3.0
 	github.com/kr/text v0.2.0 // 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/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	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/stretchr/testify v1.6.1
+	go.uber.org/atomic v1.6.0
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
-	gopkg.in/ini.v1 v1.50.0
-	gopkg.in/yaml.v2 v2.2.8
+	gopkg.in/yaml.v2 v2.2.8 // 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 v1.20.5
+	gorm.io/gorm v1.20.11
 )
--- a/go.sum
+++ b/go.sum
@ -56,6 +56,8 @@ github.com/eapache/go-resiliency v1.1.0/go.mod h1:kFI+JgMyC7bLPUVY133qvEBtVayf5m
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
 github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
+github.com/emvi/logbuch v1.1.1 h1:poBGNbHy/nB95oNoqLKAaJoBrcKxTO0W9DhMijKEkkU=
+github.com/emvi/logbuch v1.1.1/go.mod h1:J2Wgbr3BuSc1JO+D2MBVh6q3WPVSK5GzktwWz8pvkKw=
 github.com/envoyproxy/go-control-plane v0.6.9/go.mod h1:SBwIajubJHhxtWwsL9s8ss4safvEdbitLhGGK48rN6g=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
@ -64,6 +66,8 @@ github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVB
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
+github.com/go-co-op/gocron v0.3.3 h1:QnarcMZWWKrEP25uCbtDiLsnnGw+PhCjL3wNITdWJOs=
+github.com/go-co-op/gocron v0.3.3/go.mod h1:Y9PWlYqDChf2Nbgg7kfS+ZsXHDTZbMZYPEQ0MILqH+M=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
@ -79,6 +83,8 @@ github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/me
 github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
 github.com/gobuffalo/envy v1.7.1 h1:OQl5ys5MBea7OGCdvPbBJWRgnhC/fGona6QKfvFeau8=
 github.com/gobuffalo/envy v1.7.1/go.mod h1:FurDp9+EDPE4aIUS3ZLyD+7/9fpx7YRt/ukY6jIHf0w=
+github.com/gobuffalo/here v0.6.0 h1:hYrd0a6gDmWxBM4TnrGw8mQg24iSVoIkHEk7FodQcBI=
+github.com/gobuffalo/here v0.6.0/go.mod h1:wAG085dHOYqUpf+Ap+WOdrPTp5IYcDAs/x7PLa8Y5fM=
 github.com/gobuffalo/logger v1.0.1 h1:ZEgyRGgAm4ZAhAO45YXMs5Fp+bzGLESFewzAVBMKuTg=
 github.com/gobuffalo/logger v1.0.1/go.mod h1:2zbswyIUa45I+c+FLXuWl9zSWEiVuthsk8ze5s8JvPs=
 github.com/gobuffalo/packd v0.3.0 h1:eMwymTkA1uXsqxS0Tpoop3Lc0u3kTfiMBE6nKtQU4g4=
@ -92,7 +98,6 @@ github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFG
 github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
-github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe h1:lXe2qZdvpiX5WZkZR4hgp4KJVfY3nMkvmwbVkpv1rVY=
 github.com/golang-sql/civil v0.0.0-20190719163853-cb61b32ac6fe/go.mod h1:8vg3r2VgvsThLBIFL93Qb5yWzgyZWhEmBwUJWevAkK0=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@ -204,8 +209,6 @@ github.com/jackc/puddle v0.0.0-20190608224051-11cab39313c9/go.mod h1:m4B5Dj62Y0f
 github.com/jackc/puddle v1.1.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.1/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
 github.com/jackc/puddle v1.1.2/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dvjSWk=
-github.com/jasonlvhit/gocron v0.0.0-20191106203602-f82992d443f4 h1:UbQcOUL8J8EpnhYmLa2v6y5PSOPEdRRSVQxh7imPjHg=
-github.com/jasonlvhit/gocron v0.0.0-20191106203602-f82992d443f4/go.mod h1:1nXLkt6gXojCECs34KL3+LlZ3gTpZlkPUA8ejW3WeP0=
 github.com/jinzhu/configor v1.2.0 h1:u78Jsrxw2+3sGbGMgpY64ObKU4xWCNmNRJIjGVqxYQA=
 github.com/jinzhu/configor v1.2.0/go.mod h1:nX89/MOmDba7ZX7GCyU/VIaQ2Ar2aizBl2d3JLF/rDc=
 github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD/E=
@ -243,6 +246,8 @@ github.com/lightstep/lightstep-tracer-common/golang/gogo v0.0.0-20190605223551-b
 github.com/lightstep/lightstep-tracer-go v0.18.1/go.mod h1:jlF1pusYV4pidLvZ+XD0UBX0ZE6WURAspgAczcDHrL4=
 github.com/lyft/protoc-gen-validate v0.0.13/go.mod h1:XbGvPuh87YZc5TdIa2/I4pLk0QoUACkjt2znoq26NVQ=
 github.com/magiconair/properties v1.8.0/go.mod h1:PppfXfuXeibc/6YijjN8zIbojt8czPbwD3XqdrwzmxQ=
+github.com/markbates/pkger v0.17.1 h1:/MKEtWqtc0mZvu9OinB9UzVN9iYCwLWuyUv4Bw+PCno=
+github.com/markbates/pkger v0.17.1/go.mod h1:0JoVlrol20BSywW79rN3kdFFsE5xYM+rSCQDXbLhiuI=
 github.com/mattn/go-colorable v0.0.9/go.mod h1:9vuHe8Xs5qXnSaW/c/ABM9alt+Vo+STaOChaDxuIBZU=
 github.com/mattn/go-colorable v0.1.1/go.mod h1:FuOcm+DKB9mbwrcAfNl7/TZVBZ6rcnceauSikq3lYCQ=
 github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
@ -268,6 +273,8 @@ github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrk
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-testing-interface v1.0.0/go.mod h1:kRemZodwjscx+RGhAo8eIhFbs2+BFgRtFPeD/KE+zxI=
 github.com/mitchellh/gox v0.4.0/go.mod h1:Sd9lOJ0+aimLBi73mGofS1ycjY8lL3uZM3JPS42BGNg=
+github.com/mitchellh/hashstructure/v2 v2.0.1 h1:L60q1+q7cXE4JeEJJKMnh2brFIe3rZxCihYAB61ypAY=
+github.com/mitchellh/hashstructure/v2 v2.0.1/go.mod h1:MG3aRVU/N29oo/V/IhBX8GR/zz4kQkprJgF2EVszyDE=
 github.com/mitchellh/iochan v1.0.0/go.mod h1:JwYml1nuB7xOzsp52dPpHFffvOCDupsG0QubkSMEySY=
 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
@ -382,12 +389,14 @@ github.com/streadway/amqp v0.0.0-20190827072141-edfb9018d271/go.mod h1:AZpEONHx3
 github.com/streadway/handy v0.0.0-20190108123426-d5acb3125c2a/go.mod h1:qNTQ5P5JnDBl6z3cMAg/SywNDC5ABu5ApDIw6lUbRmI=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.2.0 h1:Hbg2NidpLE8veEBkEZTL3CvlkUIVzuU9jDplZO54c48=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/tmc/grpc-websocket-proxy v0.0.0-20170815181823-89b8d40f7ca8/go.mod h1:ncp9v5uamzpCO7NfCPTXjqaC+bZgJeR0sMTm6dMHP7U=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
@ -405,6 +414,7 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
+go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
 go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
@ -433,6 +443,7 @@ golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTk
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
@ -452,6 +463,7 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@ -505,6 +517,7 @@ golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191004055002-72853e10c5a3/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20200103221440-774c71fcf114 h1:DnSr2mCsxyCE6ZgIkmcWUQY2R5cH/6wL7eIxEmQOMSE=
 golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 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=
@ -543,8 +556,6 @@ 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/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=
-gopkg.in/ini.v1 v1.50.0 h1:c/4YI/GUgB7d2yOkxdsQyYDhW67nWrTl6Zyd9vagYmg=
-gopkg.in/ini.v1 v1.50.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 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=
@ -552,8 +563,11 @@ gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bl
 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/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.7/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/mysql v1.0.3 h1:+JKBYPfn1tygR1/of/Fh2T8iwuVwzt+PEJmKaXzMQXg=
 gorm.io/driver/mysql v1.0.3/go.mod h1:twGxftLBlFgNVNakL7F+P/x9oYqoymG3YYT8cAfI9oI=
 gorm.io/driver/postgres v1.0.5 h1:raX6ezL/ciUmaYTvOq48jq1GE95aMC0CmxQYbxQ4Ufw=
@ -562,8 +576,8 @@ gorm.io/driver/sqlite v1.1.3 h1:BYfdVuZB5He/u9dt4qDpZqiqDJ6KhPqs5QUqsr/Eeuc=
 gorm.io/driver/sqlite v1.1.3/go.mod h1:AKDgRWk8lcSQSw+9kxCJnX/yySj8G3rdwYlU57cB45c=
 gorm.io/gorm v1.20.1/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
 gorm.io/gorm v1.20.4/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
-gorm.io/gorm v1.20.5 h1:g3tpSF9kggASzReK+Z3dYei1IJODLqNUbOjSuCczY8g=
-gorm.io/gorm v1.20.5/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
+gorm.io/gorm v1.20.11 h1:jYHQ0LLUViV85V8dM1TP9VBBkfzKTnuTXDjYObkI6yc=
+gorm.io/gorm v1.20.11/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/main.go
+++ b/main.go
@ -1,12 +1,19 @@
 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/common"
+	"github.com/muety/wakapi/migrations"
 	"github.com/muety/wakapi/repositories"
+	"github.com/muety/wakapi/routes/api"
+	"gorm.io/gorm/logger"
 	"log"
 	"net/http"
+	"os"
 	"strconv"
 	"time"

@ -28,22 +35,23 @@ var (
 )

 var (
-	aliasRepository           *repositories.AliasRepository
-	heartbeatRepository       *repositories.HeartbeatRepository
-	userRepository            *repositories.UserRepository
-	languageMappingRepository *repositories.LanguageMappingRepository
-	summaryRepository         *repositories.SummaryRepository
-	keyValueRepository        *repositories.KeyValueRepository
+	aliasRepository           repositories.IAliasRepository
+	heartbeatRepository       repositories.IHeartbeatRepository
+	userRepository            repositories.IUserRepository
+	languageMappingRepository repositories.ILanguageMappingRepository
+	summaryRepository         repositories.ISummaryRepository
+	keyValueRepository        repositories.IKeyValueRepository
 )

 var (
-	aliasService           *services.AliasService
-	heartbeatService       *services.HeartbeatService
-	userService            *services.UserService
-	languageMappingService *services.LanguageMappingService
-	summaryService         *services.SummaryService
-	aggregationService     *services.AggregationService
-	keyValueService        *services.KeyValueService
+	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
@ -51,14 +59,26 @@ var (
 func main() {
 	config = conf.Load()

-	// Enable line numbers in logging
+	// 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.Db.GetDialector(), &gorm.Config{})
+	db, err = gorm.Open(config.Db.GetDialector(), &gorm.Config{Logger: gormLogger})
 	if config.Db.Dialect == "sqlite3" {
 		db.Raw("PRAGMA foreign_keys = ON;")
 	}
@ -70,15 +90,15 @@ func main() {
 	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")
 	}
 	defer sqlDb.Close()

 	// Migrate database schema
-	common.RunCustomPreMigrations(db, config)
+	migrations.RunPreMigrations(db, config)
 	runDatabaseMigrations()
-	common.RunCustomPostMigrations(db, config)
+	migrations.RunCustomPostMigrations(db, config)

 	// Repositories
 	aliasRepository = repositories.NewAliasRepository(db)
@ -96,97 +116,137 @@ func main() {
 	summaryService = services.NewSummaryService(summaryRepository, heartbeatService, aliasService)
 	aggregationService = services.NewAggregationService(userService, summaryService, heartbeatService)
 	keyValueService = services.NewKeyValueService(keyValueRepository)
+	miscService = services.NewMiscService(userService, summaryService, keyValueService)

-	// Aggregate heartbeats to summaries and persist them
+	// Schedule background tasks
 	go aggregationService.Schedule()
+	go miscService.ScheduleCountTotalTime()

-	// TODO: move endpoint registration to the respective routes files
+	routes.Init()

-	// Handlers
-	summaryHandler := routes.NewSummaryHandler(summaryService)
-	healthHandler := routes.NewHealthHandler(db)
-	heartbeatHandler := routes.NewHeartbeatHandler(heartbeatService, languageMappingService)
-	settingsHandler := routes.NewSettingsHandler(userService, summaryService, aggregationService, languageMappingService)
-	homeHandler := routes.NewHomeHandler(userService)
-	imprintHandler := routes.NewImprintHandler(keyValueService)
+	// API Handlers
+	healthApiHandler := api.NewHealthApiHandler(db)
+	heartbeatApiHandler := api.NewHeartbeatApiHandler(heartbeatService, languageMappingService)
+	summaryApiHandler := api.NewSummaryApiHandler(summaryService)
+
+	// Compat Handlers
 	wakatimeV1AllHandler := wtV1Routes.NewAllTimeHandler(summaryService)
 	wakatimeV1SummariesHandler := wtV1Routes.NewSummariesHandler(summaryService)
 	shieldV1BadgeHandler := shieldsV1Routes.NewBadgeHandler(summaryService, userService)

+	// MVC Handlers
+	summaryHandler := routes.NewSummaryHandler(summaryService, userService)
+	settingsHandler := routes.NewSettingsHandler(userService, summaryService, aliasService, aggregationService, languageMappingService)
+	homeHandler := routes.NewHomeHandler(keyValueService)
+	loginHandler := routes.NewLoginHandler(userService)
+	imprintHandler := routes.NewImprintHandler(keyValueService)
+
 	// Setup Routers
 	router := mux.NewRouter()
-	publicRouter := router.PathPrefix("/").Subrouter()
-	settingsRouter := publicRouter.PathPrefix("/settings").Subrouter()
-	summaryRouter := publicRouter.PathPrefix("/summary").Subrouter()
+	rootRouter := router.PathPrefix("/").Subrouter()
 	apiRouter := router.PathPrefix("/api").Subrouter()
-	compatRouter := apiRouter.PathPrefix("/compat").Subrouter()
-	wakatimeV1Router := compatRouter.PathPrefix("/wakatime/v1").Subrouter()
-	shieldsV1Router := compatRouter.PathPrefix("/shields/v1").Subrouter()
+	compatApiRouter := apiRouter.PathPrefix("/compat").Subrouter()

-	// Middlewares
+	// Globally used middlewares
 	recoveryMiddleware := handlers.RecoveryHandler()
-	loggingMiddleware := middlewares.NewLoggingMiddleware().Handler
+	loggingMiddleware := middlewares.NewLoggingMiddleware(log.New(os.Stdout, "", log.LstdFlags))
 	corsMiddleware := handlers.CORS()
-	authenticateMiddleware := middlewares.NewAuthenticateMiddleware(
-		userService,
-		[]string{"/api/health", "/api/compat/shields/v1"},
-	).Handler
+	authenticateMiddleware := middlewares.NewAuthenticateMiddleware(userService, []string{"/api/health", "/api/compat/shields/v1"}).Handler

 	// Router configs
 	router.Use(loggingMiddleware, recoveryMiddleware)
-	summaryRouter.Use(authenticateMiddleware)
-	settingsRouter.Use(authenticateMiddleware)
 	apiRouter.Use(corsMiddleware, authenticateMiddleware)

-	// Public Routes
-	publicRouter.Path("/").Methods(http.MethodGet).HandlerFunc(homeHandler.GetIndex)
-	publicRouter.Path("/login").Methods(http.MethodPost).HandlerFunc(homeHandler.PostLogin)
-	publicRouter.Path("/logout").Methods(http.MethodPost).HandlerFunc(homeHandler.PostLogout)
-	publicRouter.Path("/signup").Methods(http.MethodGet).HandlerFunc(homeHandler.GetSignup)
-	publicRouter.Path("/signup").Methods(http.MethodPost).HandlerFunc(homeHandler.PostSignup)
-	publicRouter.Path("/imprint").Methods(http.MethodGet).HandlerFunc(imprintHandler.GetImprint)
+	// 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.GetIndex)
+	// API route registrations
+	summaryApiHandler.RegisterRoutes(apiRouter)
+	healthApiHandler.RegisterRoutes(apiRouter)
+	heartbeatApiHandler.RegisterRoutes(apiRouter)

-	// Settings Routes
-	settingsRouter.Methods(http.MethodGet).HandlerFunc(settingsHandler.GetIndex)
-	settingsRouter.Path("/credentials").Methods(http.MethodPost).HandlerFunc(settingsHandler.PostCredentials)
-	settingsRouter.Path("/language_mappings").Methods(http.MethodPost).HandlerFunc(settingsHandler.PostLanguageMapping)
-	settingsRouter.Path("/language_mappings/delete").Methods(http.MethodPost).HandlerFunc(settingsHandler.DeleteLanguageMapping)
-	settingsRouter.Path("/reset").Methods(http.MethodPost).HandlerFunc(settingsHandler.PostResetApiKey)
-	settingsRouter.Path("/badges").Methods(http.MethodPost).HandlerFunc(settingsHandler.PostToggleBadges)
-	settingsRouter.Path("/regenerate").Methods(http.MethodPost).HandlerFunc(settingsHandler.PostRegenerateSummaries)
-
-	// 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)
-
-	// Wakatime compat V1 API Routes
-	wakatimeV1Router.Path("/users/{user}/all_time_since_today").Methods(http.MethodGet).HandlerFunc(wakatimeV1AllHandler.ApiGet)
-	wakatimeV1Router.Path("/users/{user}/summaries").Methods(http.MethodGet).HandlerFunc(wakatimeV1SummariesHandler.ApiGet)
-
-	// Shields.io compat API Routes
-	shieldsV1Router.PathPrefix("/{user}").Methods(http.MethodGet).HandlerFunc(shieldV1BadgeHandler.ApiGet)
+	// Compat route registrations
+	wakatimeV1AllHandler.RegisterRoutes(compatApiRouter)
+	wakatimeV1SummariesHandler.RegisterRoutes(compatApiRouter)
+	shieldV1BadgeHandler.RegisterRoutes(compatApiRouter)

 	// Static Routes
-	router.PathPrefix("/assets").Handler(http.FileServer(http.Dir("./static")))
+	router.PathPrefix("/assets").Handler(http.FileServer(pkger.Dir("/static")))

 	// Listen HTTP
-	portString := config.Server.ListenIpV4 + ":" + strconv.Itoa(config.Server.Port)
-	s := &http.Server{
-		Handler:      router,
-		Addr:         portString,
-		ReadTimeout:  10 * time.Second,
-		WriteTimeout: 10 * time.Second,
+	listen(router)
+}
+
+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,
+		}
 	}
-	log.Printf("Listening on %+s\n", portString)
-	s.ListenAndServe()
+
+	// 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 {
+		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())
+				}
+			}()
+		}
+	}
+
+	<-make(chan interface{}, 1)
 }

 func runDatabaseMigrations() {
 	if err := config.GetMigrationFunc(config.Db.Dialect)(db); err != nil {
-		log.Fatal(err)
+		logbuch.Fatal(err.Error())
 	}
 }
--- a/middlewares/authenticate.go
+++ b/middlewares/authenticate.go
@ -2,33 +2,25 @@ package middlewares

 import (
 	"context"
-	"errors"
 	"fmt"
 	conf "github.com/muety/wakapi/config"
-	"github.com/muety/wakapi/utils"
-	"log"
-	"net/http"
-	"strings"
-	"time"
-
-	"github.com/patrickmn/go-cache"
-
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"strings"
 )

 type AuthenticateMiddleware struct {
 	config         *conf.Config
-	userSrvc       *services.UserService
-	cache          *cache.Cache
+	userSrvc       services.IUserService
 	whitelistPaths []string
 }

-func NewAuthenticateMiddleware(userService *services.UserService, whitelistPaths []string) *AuthenticateMiddleware {
+func NewAuthenticateMiddleware(userService services.IUserService, whitelistPaths []string) *AuthenticateMiddleware {
 	return &AuthenticateMiddleware{
 		config:         conf.Get(),
 		userSrvc:       userService,
-		cache:          cache.New(1*time.Hour, 2*time.Hour),
 		whitelistPaths: whitelistPaths,
 	}
 }
@ -58,14 +50,12 @@ func (m *AuthenticateMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Reques
 		if strings.HasPrefix(r.URL.Path, "/api") {
 			w.WriteHeader(http.StatusUnauthorized)
 		} else {
-			utils.ClearCookie(w, models.AuthCookieKey, !m.config.Security.InsecureCookies)
+			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))
 }
@ -78,51 +68,26 @@ 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.Security.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.CompareMd5(user.Password, 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.CompareBcrypt(user.Password, login.Password, salt)
-}
--- a/middlewares/authenticate_test.go
+++ b/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, []string{})
+
+	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, []string{})
+
+	result, err := sut.tryGetUserByApiKey(mockRequest)
+
+	assert.Error(t, err)
+	assert.Nil(t, result)
+}
+
+// TODO: somehow test cookie auth function
--- a/middlewares/custom/wakatime.go
+++ b/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.WakatimeApiHeartbeatsEndpoint,
+		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)
+	}
+}
--- a/middlewares/logging.go
+++ b/middlewares/logging.go
@ -1,17 +1,135 @@
 package middlewares

+// Borrowed from https://gist.github.com/elithrar/887d162dfd0c539b700ab4049c76e22b
+
 import (
-	"github.com/gorilla/handlers"
+	"io"
+	"log"
 	"net/http"
-	"os"
+	"time"
 )

-type LoggingMiddleware struct{}
-
-func NewLoggingMiddleware() *LoggingMiddleware {
-	return &LoggingMiddleware{}
+type LoggingMiddleware struct {
+	handler http.Handler
+	output  *log.Logger
 }

-func (m *LoggingMiddleware) Handler(h http.Handler) http.Handler {
-	return handlers.LoggingHandler(os.Stdout, h)
+func NewLoggingMiddleware(output *log.Logger) func(http.Handler) http.Handler {
+	return func(h http.Handler) http.Handler {
+		return &LoggingMiddleware{
+			handler: h,
+			output:  output,
+		}
+	}
+}
+
+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)
+
+	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
 }
--- a/migrations/00000000_apply_fixtures.go
+++ b/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)
+}
--- a/migrations/20201103_rename_language_mappings_table.go
+++ b/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)
+}
--- a/migrations/20201106_migration_cascade_constraints.go
+++ b/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)
+}
--- a/migrations/20210202_fix_cascade_for_alias_user_constraint.go
+++ b/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)
+}
--- a/migrations/common/common.go
+++ b/migrations/common/common.go
@ -1,11 +0,0 @@
-package common
-
-import (
-	"github.com/muety/wakapi/config"
-	"gorm.io/gorm"
-)
-
-type migrationFunc struct {
-	f    func(db *gorm.DB, cfg *config.Config) error
-	name string
-}
--- a/migrations/common/custom_post.go
+++ b/migrations/common/custom_post.go
@ -1,30 +0,0 @@
-package common
-
-import (
-	"github.com/muety/wakapi/config"
-	"gorm.io/gorm"
-	"log"
-)
-
-var customPostMigrations []migrationFunc
-
-func init() {
-	customPostMigrations = []migrationFunc{
-		{
-			f: func(db *gorm.DB, cfg *config.Config) error {
-				return cfg.GetFixturesFunc(cfg.Db.Dialect)(db)
-			},
-			name: "apply fixtures",
-		},
-		// TODO: add function to modify aggregated summaries according to configured custom language mappings
-	}
-}
-
-func RunCustomPostMigrations(db *gorm.DB, cfg *config.Config) {
-	for _, m := range customPostMigrations {
-		log.Printf("running migration '%s'\n", m.name)
-		if err := m.f(db, cfg); err != nil {
-			log.Fatalf("migration '%s' failed – %v\n", m.name, err)
-		}
-	}
-}
--- a/migrations/common/custom_pre.go
+++ b/migrations/common/custom_pre.go
@ -1,108 +0,0 @@
-package common
-
-import (
-	"github.com/muety/wakapi/config"
-	"github.com/muety/wakapi/models"
-	"gorm.io/gorm"
-	"log"
-)
-
-var customPreMigrations []migrationFunc
-
-func init() {
-	customPreMigrations = []migrationFunc{
-		{
-			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) {
-					log.Printf("renaming '%s' table to '%s'\n", oldTableName, newTableName)
-					if err := migrator.RenameTable(oldTableName, &models.LanguageMapping{}); err != nil {
-						return err
-					}
-
-					log.Printf("renaming '%s' index to '%s'\n", oldIndexName, newIndexName)
-					return migrator.RenameIndex(&models.LanguageMapping{}, oldIndexName, newIndexName)
-				}
-				return nil
-			},
-			name: "rename language mappings table",
-		},
-		{
-			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()
-				const lookupKey = "20201106-migration_cascade_constraints"
-
-				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
-					log.Println("not attempting to drop and regenerate constraints on sqlite")
-					return nil
-				}
-
-				if !migrator.HasTable(&models.KeyStringValue{}) {
-					log.Println("key-value table not yet existing")
-					return nil
-				}
-
-				condition := "key = ?"
-				if cfg.Db.Dialect == config.SQLDialectMysql {
-					condition = "`key` = ?"
-				}
-				lookupResult := db.Where(condition, lookupKey).First(&models.KeyStringValue{})
-				if lookupResult.Error == nil && lookupResult.RowsAffected > 0 {
-					log.Println("no need to migrate cascade constraints")
-					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) {
-						log.Printf("dropping constraint '%s'", name)
-						if err := migrator.DropConstraint(table, name); err != nil {
-							return err
-						}
-					}
-				}
-
-				if err := db.Create(&models.KeyStringValue{
-					Key:   lookupKey,
-					Value: "done",
-				}).Error; err != nil {
-					return err
-				}
-
-				return nil
-			},
-			name: "add cascade constraints",
-		},
-	}
-}
-
-func RunCustomPreMigrations(db *gorm.DB, cfg *config.Config) {
-	for _, m := range customPreMigrations {
-		log.Printf("running migration '%s'\n", m.name)
-		if err := m.f(db, cfg); err != nil {
-			log.Fatalf("migration '%s' failed – %v\n", m.name, err)
-		}
-	}
-}
--- a/migrations/common/languages.go
+++ b/migrations/common/languages.go
@ -1,25 +0,0 @@
-package common
-
-import (
-	"github.com/muety/wakapi/config"
-	"github.com/muety/wakapi/models"
-	"gorm.io/gorm"
-	"log"
-)
-
-func MigrateLanguages(db *gorm.DB) {
-	cfg := config.Get()
-
-	for k, v := range cfg.App.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)
-		}
-	}
-}
--- a/migrations/common/fixtures/1_imprint_content.sql
+++ b/migrations/common/fixtures/1_imprint_content.sql
--- a/migrations/migrations.go
+++ b/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]
+}
--- a/mocks/alias_repository.go
+++ b/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)
+}
--- a/mocks/alias_service.go
+++ b/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)
+}
--- a/mocks/heartbeat_service.go
+++ b/mocks/heartbeat_service.go
@ -0,0 +1,31 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+	"time"
+)
+
+type HeartbeatServiceMock struct {
+	mock.Mock
+}
+
+func (m *HeartbeatServiceMock) InsertBatch(heartbeats []*models.Heartbeat) error {
+	args := m.Called(heartbeats)
+	return 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) DeleteBefore(time time.Time) error {
+	args := m.Called(time)
+	return args.Error(0)
+}
--- a/mocks/summary_repository.go
+++ b/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)
+}
--- a/mocks/user_service.go
+++ b/mocks/user_service.go
@ -0,0 +1,60 @@
+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)
+}
--- a/models/alias.go
+++ b/models/alias.go
@ -2,9 +2,22 @@ package models

 type Alias struct {
 	ID     uint   `gorm:"primary_key"`
-	Type   uint8  `gorm:"not null; index:idx_alias_type_key; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
-	User   *User  `json:"-" gorm:"not null"`
+	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
+}
--- a/models/compat/shields/v1/badge.go
+++ b/models/compat/shields/v1/badge.go
@ -22,7 +22,7 @@ type BadgeData struct {

 func NewBadgeDataFrom(summary *models.Summary, filters *models.Filters) *BadgeData {
 	var total time.Duration
-	if hasFilter, _, _ := filters.First(); hasFilter {
+	if hasFilter, _, _ := filters.One(); hasFilter {
 		total = summary.TotalTimeByFilters(filters)
 	} else {
 		total = summary.TotalTime()
--- a/models/filters.go
+++ b/models/filters.go
@ -18,18 +18,18 @@ func NewFiltersWith(entity uint8, key string) *Filters {
 	case SummaryProject:
 		return &Filters{Project: key}
 	case SummaryOS:
-		return &Filters{Project: key}
+		return &Filters{OS: key}
 	case SummaryLanguage:
-		return &Filters{Project: key}
+		return &Filters{Language: key}
 	case SummaryEditor:
-		return &Filters{Project: key}
+		return &Filters{Editor: key}
 	case SummaryMachine:
-		return &Filters{Project: key}
+		return &Filters{Machine: key}
 	}
 	return &Filters{}
 }

-func (f *Filters) First() (bool, uint8, string) {
+func (f *Filters) One() (bool, uint8, string) {
 	if f.Project != "" {
 		return true, SummaryProject, f.Project
 	} else if f.OS != "" {
@ -43,25 +43,3 @@ func (f *Filters) First() (bool, uint8, string) {
 	}
 	return false, 0, ""
 }
-
-func (f *Filters) All() []*FilterElement {
-	all := make([]*FilterElement, 0)
-
-	if f.Project != "" {
-		all = append(all, &FilterElement{Type: SummaryProject, Key: f.Project})
-	}
-	if f.Editor != "" {
-		all = append(all, &FilterElement{Type: SummaryEditor, Key: f.Editor})
-	}
-	if f.Language != "" {
-		all = append(all, &FilterElement{Type: SummaryLanguage, Key: f.Language})
-	}
-	if f.Machine != "" {
-		all = append(all, &FilterElement{Type: SummaryMachine, Key: f.Machine})
-	}
-	if f.OS != "" {
-		all = append(all, &FilterElement{Type: SummaryOS, Key: f.OS})
-	}
-
-	return all
-}
--- a/models/heartbeat.go
+++ b/models/heartbeat.go
@ -1,30 +1,34 @@
 package models

 import (
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/mitchellh/hashstructure/v2"
 	"regexp"
 	"time"
 )

 type Heartbeat struct {
-	ID              uint       `gorm:"primary_key"`
-	User            *User      `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE;"`
-	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"`
-	Machine         string     `json:"machine"`
-	Time            CustomTime `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"`
+	OperatingSystem string         `json:"operating_system"`
+	Machine         string         `json:"machine"`
+	Time            CustomTime     `json:"time" gorm:"type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time,idx_time_user"`
+	Hash            string         `json:"-" gorm:"type:varchar(17); uniqueIndex"`
+	languageRegex   *regexp.Regexp `hash:"ignore"`
 }

 func (h *Heartbeat) Valid() bool {
-	return h.User != nil && h.UserID != "" && h.Time != CustomTime(time.Time{})
+	return h.User != nil && h.UserID != "" && h.User.ID == h.UserID && h.Time != CustomTime(time.Time{})
 }

 func (h *Heartbeat) Augment(languageMappings map[string]string) {
@ -62,3 +66,36 @@ func (h *Heartbeat) GetKey(t uint8) (key string) {

 	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 {
+		logbuch.Error("CRITICAL ERROR: failed to hash struct – %v", err)
+	}
+	h.Hash = fmt.Sprintf("%x", hash) // "uint64 values with high bit set are not supported"
+	return h
+}
--- a/models/heartbeat_test.go
+++ b/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))
+}
--- a/models/shared.go
+++ b/models/shared.go
@ -71,6 +71,10 @@ func (j *CustomTime) Scan(value interface{}) error {
 	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
--- a/models/summary.go
+++ b/models/summary.go
@ -1,6 +1,7 @@
 package models

 import (
+	"sort"
 	"time"
 )

@ -23,6 +24,18 @@ const (
 	IntervalPast30Days   string = "30_days"
 	IntervalPast12Months string = "12_months"
 	IntervalAny          string = "any"
+
+	// https://wakatime.com/developers/#summaries
+	IntervalWakatimeToday              string = "Today"
+	IntervalWakatimeYesterday          string = "Yesterday"
+	IntervalWakatimeLast7Days          string = "Last 7 Days"
+	IntervalWakatimeLast7DaysYesterday string = "Last 7 Days from Yesterday"
+	IntervalWakatimeLast14Days         string = "Last 14 Days"
+	IntervalWakatimeLast30Days         string = "Last 30 Days"
+	IntervalWakatimeThisWeek           string = "This Week"
+	IntervalWakatimeLastWeek           string = "Last Week"
+	IntervalWakatimeThisMonth          string = "This Month"
+	IntervalWakatimeLastMonth          string = "Last Month"
 )

 func Intervals() []string {
@ -34,18 +47,20 @@ func Intervals() []string {
 const UnknownSummaryKey = "unknown"

 type Summary struct {
-	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"`
-	ToTime           CustomTime     `json:"to" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
-	Projects         []*SummaryItem `json:"projects" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
-	Languages        []*SummaryItem `json:"languages" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
-	Editors          []*SummaryItem `json:"editors" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
-	OperatingSystems []*SummaryItem `json:"operating_systems" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
-	Machines         []*SummaryItem `json:"machines" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	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"`
+	ToTime           CustomTime   `json:"to" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
+	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"`
@ -63,6 +78,8 @@ 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
@ -81,12 +98,21 @@ 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]*[]*SummaryItem {
-	return map[uint8]*[]*SummaryItem{
+func (s *Summary) MappedItems() map[uint8]*SummaryItems {
+	return map[uint8]*SummaryItems{
 		SummaryProject:  &s.Projects,
 		SummaryLanguage: &s.Languages,
 		SummaryEditor:   &s.Editors,
@ -174,11 +200,12 @@ func (s *Summary) TotalTimeByKey(entityType uint8, key string) (timeSum time.Dur
 	return timeSum
 }

-func (s *Summary) TotalTimeByFilters(filter *Filters) (timeSum time.Duration) {
-	for _, f := range filter.All() {
-		timeSum += s.TotalTimeByKey(f.Type, f.Key)
+func (s *Summary) TotalTimeByFilters(filters *Filters) time.Duration {
+	do, typeId, key := filters.One()
+	if do {
+		return s.TotalTimeByKey(typeId, key)
 	}
-	return timeSum
+	return 0
 }

 func (s *Summary) WithResolvedAliases(resolve AliasResolver) *Summary {
@ -230,3 +257,15 @@ func (s *Summary) WithResolvedAliases(resolve AliasResolver) *Summary {

 	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]
+}
--- a/models/summary_test.go
+++ b/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)
+}
--- a/models/user.go
+++ b/models/user.go
@ -7,6 +7,7 @@ type User struct {
 	CreatedAt      CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP"`
 	LastLoggedInAt CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP"`
 	BadgesEnabled  bool       `json:"-" gorm:"default:false; type:bool"`
+	WakatimeApiKey string     `json:"-"`
 }

 type Login struct {
@ -43,7 +44,7 @@ func (s *Signup) IsValid() bool {
 }

 func validateUsername(username string) bool {
-	return len(username) >= 3 && username != "current"
+	return len(username) >= 1 && username != "current"
 }

 func validatePassword(password string) bool {
--- a/models/view/home.go
+++ b/models/view/home.go
@ -1,8 +1,10 @@
 package view

 type HomeViewModel struct {
-	Success string
-	Error   string
+	Success    string
+	Error      string
+	TotalHours int
+	TotalUsers int
 }

 func (s *HomeViewModel) WithSuccess(m string) *HomeViewModel {
--- a/models/view/login.go
+++ b/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
+}
--- a/models/view/settings.go
+++ b/models/view/settings.go
@ -5,10 +5,17 @@ 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
--- a/repositories/alias.go
+++ b/repositories/alias.go
@ -1,6 +1,7 @@
 package repositories

 import (
+	"errors"
 	"github.com/muety/wakapi/models"
 	"gorm.io/gorm"
 )
@ -22,3 +23,67 @@ func (r *AliasRepository) GetByUser(userId string) ([]*models.Alias, error) {
 	}
 	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
+}
--- a/repositories/key_value.go
+++ b/repositories/key_value.go
@ -2,8 +2,10 @@ package repositories

 import (
 	"errors"
+	"github.com/emvi/logbuch"
 	"github.com/muety/wakapi/models"
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 )

 type KeyValueRepository struct {
@ -27,16 +29,19 @@ func (r *KeyValueRepository) GetString(key string) (*models.KeyStringValue, erro

 func (r *KeyValueRepository) PutString(kv *models.KeyStringValue) error {
 	result := r.db.
+		Clauses(clause.OnConflict{
+			UpdateAll: true,
+		}).
 		Where(&models.KeyStringValue{Key: kv.Key}).
 		Assign(kv).
-		FirstOrCreate(kv)
+		Create(kv)

 	if err := result.Error; err != nil {
 		return err
 	}

 	if result.RowsAffected != 1 {
-		return errors.New("nothing updated")
+		logbuch.Warn("did not insert key '%s', maybe just updated?", kv.Key)
 	}

 	return nil
--- a/repositories/repositories.go
+++ b/repositories/repositories.go
@ -0,0 +1,53 @@
+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
+	GetAllWithin(time.Time, time.Time, *models.User) ([]*models.Heartbeat, error)
+	GetFirstByUsers() ([]*models.TimeByUser, 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
+}
--- a/repositories/user.go
+++ b/repositories/user.go
@ -33,7 +33,7 @@ func (r *UserRepository) GetByApiKey(key string) (*models.User, error) {
 func (r *UserRepository) GetAll() ([]*models.User, error) {
 	var users []*models.User
 	if err := r.db.
-		Table("users").
+		Where(&models.User{}).
 		Find(&users).Error; err != nil {
 		return nil, err
 	}
@ -78,3 +78,7 @@ func (r *UserRepository) UpdateField(user *models.User, key string, value interf

 	return user, nil
 }
+
+func (r *UserRepository) Delete(user *models.User) error {
+	return r.db.Delete(user).Error
+}
--- a/routes/api/health.go
+++ b/routes/api/health.go
@ -0,0 +1,33 @@
+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)
+}
+
+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)))
+}
--- a/routes/api/heartbeat.go
+++ b/routes/api/heartbeat.go
@ -1,25 +1,26 @@
-package routes
+package api

 import (
 	"encoding/json"
+	"github.com/emvi/logbuch"
+	"github.com/gorilla/mux"
 	conf "github.com/muety/wakapi/config"
-	"net/http"
-	"os"
-
+	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 HeartbeatHandler struct {
+type HeartbeatApiHandler struct {
 	config              *conf.Config
-	heartbeatSrvc       *services.HeartbeatService
-	languageMappingSrvc *services.LanguageMappingService
+	heartbeatSrvc       services.IHeartbeatService
+	languageMappingSrvc services.ILanguageMappingService
 }

-func NewHeartbeatHandler(heartbeatService *services.HeartbeatService, languageMappingService *services.LanguageMappingService) *HeartbeatHandler {
-	return &HeartbeatHandler{
+func NewHeartbeatApiHandler(heartbeatService services.IHeartbeatService, languageMappingService services.ILanguageMappingService) *HeartbeatApiHandler {
+	return &HeartbeatApiHandler{
 		config:              conf.Get(),
 		heartbeatSrvc:       heartbeatService,
 		languageMappingSrvc: languageMappingService,
@ -30,7 +31,15 @@ type heartbeatResponseVm struct {
 	Responses [][]interface{} `json:"responses"`
 }

-func (h *HeartbeatHandler) ApiPost(w http.ResponseWriter, r *http.Request) {
+func (h *HeartbeatApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/heartbeat").Subrouter()
+	r.Use(
+		customMiddleware.NewWakatimeRelayMiddleware().Handler,
+	)
+	r.Methods(http.MethodPost).HandlerFunc(h.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"))
@ -55,11 +64,13 @@ func (h *HeartbeatHandler) ApiPost(w http.ResponseWriter, r *http.Request) {
 			w.Write([]byte("Invalid heartbeat object."))
 			return
 		}
+
+		hb.Hashed()
 	}

 	if err := h.heartbeatSrvc.InsertBatch(heartbeats); err != nil {
 		w.WriteHeader(http.StatusInternalServerError)
-		os.Stderr.WriteString(err.Error())
+		logbuch.Error(err.Error())
 		return
 	}

--- a/routes/api/summary.go
+++ b/routes/api/summary.go
@ -0,0 +1,38 @@
+package api
+
+import (
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	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
+	summarySrvc services.ISummaryService
+}
+
+func NewSummaryApiHandler(summaryService services.ISummaryService) *SummaryApiHandler {
+	return &SummaryApiHandler{
+		summarySrvc: summaryService,
+		config:      conf.Get(),
+	}
+}
+
+func (h *SummaryApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/summary").Subrouter()
+	r.Methods(http.MethodGet).HandlerFunc(h.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)
+}
--- a/routes/compat/shields/v1/badge.go
+++ b/routes/compat/shields/v1/badge.go
@ -2,7 +2,7 @@ package v1

 import (
 	"github.com/gorilla/mux"
-	config2 "github.com/muety/wakapi/config"
+	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"
@ -18,21 +18,25 @@ const (
 )

 type BadgeHandler struct {
-	userSrvc    *services.UserService
-	summarySrvc *services.SummaryService
-	aliasSrvc   *services.AliasService
-	config      *config2.Config
+	config      *conf.Config
+	userSrvc    services.IUserService
+	summarySrvc services.ISummaryService
 }

-func NewBadgeHandler(summaryService *services.SummaryService, userService *services.UserService) *BadgeHandler {
+func NewBadgeHandler(summaryService services.ISummaryService, userService services.IUserService) *BadgeHandler {
 	return &BadgeHandler{
 		summarySrvc: summaryService,
 		userSrvc:    userService,
-		config:      config2.Get(),
+		config:      conf.Get(),
 	}
 }

-func (h *BadgeHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
+func (h *BadgeHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/shields/v1/{user}").Subrouter()
+	r.Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+func (h *BadgeHandler) Get(w http.ResponseWriter, r *http.Request) {
 	intervalReg := regexp.MustCompile(intervalPattern)
 	entityFilterReg := regexp.MustCompile(entityFilterPattern)

--- a/routes/compat/wakatime/v1/all_time.go
+++ b/routes/compat/wakatime/v1/all_time.go
@ -2,7 +2,7 @@ package v1

 import (
 	"github.com/gorilla/mux"
-	config2 "github.com/muety/wakapi/config"
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
 	"github.com/muety/wakapi/services"
@ -13,18 +13,22 @@ import (
 )

 type AllTimeHandler struct {
-	summarySrvc *services.SummaryService
-	config      *config2.Config
+	config      *conf.Config
+	summarySrvc services.ISummaryService
 }

-func NewAllTimeHandler(summaryService *services.SummaryService) *AllTimeHandler {
+func NewAllTimeHandler(summaryService services.ISummaryService) *AllTimeHandler {
 	return &AllTimeHandler{
 		summarySrvc: summaryService,
-		config:      config2.Get(),
+		config:      conf.Get(),
 	}
 }

-func (h *AllTimeHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
+func (h *AllTimeHandler) RegisterRoutes(router *mux.Router) {
+	router.Path("/wakatime/v1/users/{user}/all_time_since_today").Methods(http.MethodGet).HandlerFunc(h.Get)
+}
+
+func (h *AllTimeHandler) Get(w http.ResponseWriter, r *http.Request) {
 	vars := mux.Vars(r)
 	values, _ := url.ParseQuery(r.URL.RawQuery)

--- a/routes/compat/wakatime/v1/summaries.go
+++ b/routes/compat/wakatime/v1/summaries.go
@ -3,7 +3,7 @@ package v1
 import (
 	"errors"
 	"github.com/gorilla/mux"
-	config2 "github.com/muety/wakapi/config"
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
 	"github.com/muety/wakapi/services"
@ -14,24 +14,27 @@ import (
 )

 type SummariesHandler struct {
-	summarySrvc *services.SummaryService
-	config      *config2.Config
+	config      *conf.Config
+	summarySrvc services.ISummaryService
 }

-func NewSummariesHandler(summaryService *services.SummaryService) *SummariesHandler {
+func NewSummariesHandler(summaryService services.ISummaryService) *SummariesHandler {
 	return &SummariesHandler{
 		summarySrvc: summaryService,
-		config:      config2.Get(),
+		config:      conf.Get(),
 	}
 }

-/*
-TODO: support parameters: project, branches, timeout, writes_only, timezone
-https://wakatime.com/developers#summaries
-timezone can be specified via an offset suffix (e.g. +02:00) in date strings
-*/
+func (h *SummariesHandler) RegisterRoutes(router *mux.Router) {
+	router.Path("/wakatime/v1/users/{user}/summaries").Methods(http.MethodGet).HandlerFunc(h.Get)
+}

-func (h *SummariesHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
+// 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.
+
+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)
@ -48,28 +51,41 @@ func (h *SummariesHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	vm := v1.NewSummariesFrom(summaries, &models.Filters{})
+	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
-	// TODO: find out what other special dates are supported by wakatime (e.g. tomorrow, yesterday, ...?)
-	if startKey, endKey := params.Get("start"), params.Get("end"); startKey == "today" && startKey == endKey {
-		start = utils.StartOfToday()
-		end = time.Now()
+	if rangeParam != "" {
+		// range param takes precedence
+		if err, parsedFrom, parsedTo := utils.ResolveInterval(rangeParam); err == nil {
+			start, end = parsedFrom, parsedTo
+		} else {
+			return nil, errors.New("invalid 'range' parameter"), http.StatusBadRequest
+		}
+	} else if err, parsedFrom, parsedTo := utils.ResolveInterval(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(startKey, " ", "+", 1))
+		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(endKey, " ", "+", 1))
+		end, err = time.Parse(time.RFC3339, strings.Replace(endParam, " ", "+", 1))
 		if err != nil {
 			return nil, errors.New("missing required 'end' parameter"), http.StatusBadRequest
 		}
--- a/routes/handler.go
+++ b/routes/handler.go
@ -0,0 +1,7 @@
+package routes
+
+import "github.com/gorilla/mux"
+
+type Handler interface {
+	RegisterRoutes(router *mux.Router)
+}
--- a/routes/health.go
+++ b/routes/health.go
@ -1,27 +0,0 @@
-package routes
-
-import (
-	"fmt"
-	"gorm.io/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 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)))
-}
--- a/routes/home.go
+++ b/routes/home.go
@ -2,33 +2,36 @@ package routes

 import (
 	"fmt"
+	"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/utils"
 	"net/http"
-	"net/url"
+	"strconv"
 	"time"
 )

 type HomeHandler struct {
-	config   *conf.Config
-	userSrvc *services.UserService
+	config       *conf.Config
+	keyValueSrvc services.IKeyValueService
 }

 var loginDecoder = schema.NewDecoder()
 var signupDecoder = schema.NewDecoder()

-func NewHomeHandler(userService *services.UserService) *HomeHandler {
+func NewHomeHandler(keyValueService services.IKeyValueService) *HomeHandler {
 	return &HomeHandler{
-		config:   conf.Get(),
-		userSrvc: userService,
+		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()
@ -42,132 +45,26 @@ func (h *HomeHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	templates[conf.IndexTemplate].Execute(w, h.buildViewModel(r))
 }

-func (h *HomeHandler) 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.IndexTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
-		return
-	}
-	if err := loginDecoder.Decode(&login, r.PostForm); err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		templates[conf.IndexTemplate].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.IndexTemplate].Execute(w, h.buildViewModel(r).WithError("resource not found"))
-		return
-	}
-
-	// TODO: depending on middleware package here is a hack
-	if !middlewares.CheckAndMigratePassword(user, &login, h.config.Security.PasswordSalt, h.userSrvc) {
-		w.WriteHeader(http.StatusUnauthorized)
-		templates[conf.IndexTemplate].Execute(w, h.buildViewModel(r).WithError("invalid credentials"))
-		return
-	}
-
-	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login)
-	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.IndexTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
-	}
-
-	user.LastLoggedInAt = models.CustomTime(time.Now())
-	h.userSrvc.Update(user)
-
-	cookie := &http.Cookie{
-		Name:     models.AuthCookieKey,
-		Value:    encoded,
-		Path:     "/",
-		Secure:   !h.config.Security.InsecureCookies,
-		HttpOnly: true,
-	}
-	http.SetCookie(w, cookie)
-	http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
-}
-
-func (h *HomeHandler) PostLogout(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	utils.ClearCookie(w, models.AuthCookieKey, !h.config.Security.InsecureCookies)
-	http.Redirect(w, r, fmt.Sprintf("%s/", h.config.Server.BasePath), http.StatusFound)
-}
-
-func (h *HomeHandler) 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 *HomeHandler) PostSignup(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 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
-	}
-
-	msg := url.QueryEscape("account created successfully")
-	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.Server.BasePath, msg), http.StatusFound)
-}
-
 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"),
+		Success:    r.URL.Query().Get("success"),
+		Error:      r.URL.Query().Get("error"),
+		TotalHours: totalHours,
+		TotalUsers: totalUsers,
 	}
 }
--- a/routes/imprint.go
+++ b/routes/imprint.go
@ -1,6 +1,7 @@
 package routes

 import (
+	"github.com/gorilla/mux"
 	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/models/view"
@ -10,16 +11,20 @@ import (

 type ImprintHandler struct {
 	config       *conf.Config
-	keyValueSrvc *services.KeyValueService
+	keyValueSrvc services.IKeyValueService
 }

-func NewImprintHandler(keyValueService *services.KeyValueService) *ImprintHandler {
+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()
--- a/routes/login.go
+++ b/routes/login.go
@ -0,0 +1,167 @@
+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 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"),
+	}
+}
--- a/routes/routes.go
+++ b/routes/routes.go
@ -2,27 +2,37 @@ 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"
 	"io/ioutil"
+	"net/http"
 	"path"
 	"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 config.Get().Server.BasePath
 		},
@ -30,7 +40,7 @@ func loadTemplates() {
 			return config.Get().Version
 		},
 		"getDbType": func() string {
-			return strings.ToLower(config.Get().Db.Dialect)
+			return strings.ToLower(config.Get().Db.Type)
 		},
 		"htmlSafe": func(html string) template.HTML {
 			return template.HTML(html)
@ -38,7 +48,12 @@ func loadTemplates() {
 	})
 	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)
 	}
@ -49,7 +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)
 		}
@ -57,3 +83,22 @@ func loadTemplates() {
 		templates[tplName] = tpl
 	}
 }
+
+func typeName(t uint8) string {
+	if t == models.SummaryProject {
+		return "project"
+	}
+	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"
+}
--- a/routes/settings.go
+++ b/routes/settings.go
@ -1,39 +1,55 @@
 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/utils"
-	"log"
 	"net/http"
-	"net/url"
 	"strconv"
+	"time"
 )

 type SettingsHandler struct {
 	config              *conf.Config
-	userSrvc            *services.UserService
-	summarySrvc         *services.SummaryService
-	aggregationSrvc     *services.AggregationService
-	languageMappingSrvc *services.LanguageMappingService
+	userSrvc            services.IUserService
+	summarySrvc         services.ISummaryService
+	aliasSrvc           services.IAliasService
+	aggregationSrvc     services.IAggregationService
+	languageMappingSrvc services.ILanguageMappingService
+	httpClient          *http.Client
 }

 var credentialsDecoder = schema.NewDecoder()

-func NewSettingsHandler(userService *services.UserService, summaryService *services.SummaryService, aggregationService *services.AggregationService, languageMappingService *services.LanguageMappingService) *SettingsHandler {
+func NewSettingsHandler(userService services.IUserService, summaryService services.ISummaryService, aliasService services.IAliasService, aggregationService services.IAggregationService, languageMappingService services.ILanguageMappingService) *SettingsHandler {
 	return &SettingsHandler{
 		config:              conf.Get(),
 		summarySrvc:         summaryService,
+		aliasSrvc:           aliasService,
 		aggregationSrvc:     aggregationService,
 		languageMappingSrvc: languageMappingService,
 		userSrvc:            userService,
+		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, []string{}).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()
@ -42,7 +58,73 @@ func (h *SettingsHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r))
 }

-func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request) {
+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 != "" {
+		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError(errorMsg))
+		return
+	}
+	if successMsg != "" {
+		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 "toggle_badges":
+		return h.actionToggleBadges
+	case "toggle_wakatime":
+		return h.actionSetWakatimeApiKey
+	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()
 	}
@ -51,67 +133,107 @@ func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request

 	var credentials models.CredentialsReset
 	if err := r.ParseForm(); err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
-		return
+		return http.StatusBadRequest, "", "missing parameters"
 	}
 	if err := credentialsDecoder.Decode(&credentials, r.PostForm); err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("missing parameters"))
-		return
+		return http.StatusBadRequest, "", "missing parameters"
 	}

 	if !utils.CompareBcrypt(user.Password, credentials.PasswordOld, h.config.Security.PasswordSalt) {
-		w.WriteHeader(http.StatusUnauthorized)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("invalid credentials"))
-		return
+		return http.StatusUnauthorized, "", "invalid credentials"
 	}

 	if !credentials.IsValid() {
-		w.WriteHeader(http.StatusBadRequest)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("invalid parameters"))
-		return
+		return http.StatusBadRequest, "", "invalid parameters"
 	}

 	user.Password = credentials.PasswordNew
 	if hash, err := utils.HashBcrypt(user.Password, h.config.Security.PasswordSalt); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
+		return http.StatusInternalServerError, "", "internal server error"
 	} else {
 		user.Password = hash
 	}

 	if _, err := h.userSrvc.Update(user); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
+		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)
+	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login.Username)
 	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
+		return http.StatusInternalServerError, "", "internal server error"
 	}

-	cookie := &http.Cookie{
-		Name:     models.AuthCookieKey,
-		Value:    encoded,
-		Path:     "/",
-		Secure:   !h.config.Security.InsecureCookies,
-		HttpOnly: true,
-	}
-	http.SetCookie(w, cookie)
-
-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess("password was updated successfully"))
+	http.SetCookie(w, h.config.CreateCookie(models.AuthCookieKey, encoded, "/"))
+	return http.StatusOK, "password was updated successfully", ""
 }

-func (h *SettingsHandler) DeleteLanguageMapping(w http.ResponseWriter, r *http.Request) {
+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) 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()
 	}
@ -119,27 +241,23 @@ func (h *SettingsHandler) DeleteLanguageMapping(w http.ResponseWriter, r *http.R
 	user := r.Context().Value(models.UserKey).(*models.User)
 	id, err := strconv.Atoi(r.PostFormValue("mapping_id"))
 	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("could not delete mapping"))
-		return
+		return http.StatusInternalServerError, "", "could not delete mapping"
 	}

-	mapping := &models.LanguageMapping{
-		ID:     uint(id),
-		UserID: user.ID,
+	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"
 	}

-	err = h.languageMappingSrvc.Delete(mapping)
-	if err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("could not delete mapping"))
-		return
+	if err := h.languageMappingSrvc.Delete(&models.LanguageMapping{ID: uint(id)}); err != nil {
+		return http.StatusInternalServerError, "", "could not delete mapping"
 	}

-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess("mapping deleted successfully"))
+	return http.StatusOK, "mapping deleted successfully", ""
 }

-func (h *SettingsHandler) PostLanguageMapping(w http.ResponseWriter, r *http.Request) {
+func (h *SettingsHandler) actionAddLanguageMapping(w http.ResponseWriter, r *http.Request) (int, string, string) {
 	if h.config.IsDev() {
 		loadTemplates()
 	}
@ -158,76 +276,146 @@ func (h *SettingsHandler) PostLanguageMapping(w http.ResponseWriter, r *http.Req
 	}

 	if _, err := h.languageMappingSrvc.Create(mapping); err != nil {
-		w.WriteHeader(http.StatusConflict)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("mapping already exists"))
-		return
+		return http.StatusConflict, "", "mapping already exists"
 	}

-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess("mapping added successfully"))
+	return http.StatusOK, "mapping added successfully", ""
 }

-func (h *SettingsHandler) PostResetApiKey(w http.ResponseWriter, r *http.Request) {
-	if h.config.IsDev() {
-		loadTemplates()
-	}
-
-	user := r.Context().Value(models.UserKey).(*models.User)
-	if _, err := h.userSrvc.ResetApiKey(user); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
-	}
-
-	msg := url.QueryEscape(fmt.Sprintf("your new api key is: %s", user.ApiKey))
-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess(msg))
-}
-
-func (h *SettingsHandler) PostToggleBadges(w http.ResponseWriter, r *http.Request) {
+func (h *SettingsHandler) actionToggleBadges(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.ToggleBadges(user); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("internal server error"))
-		return
+		return http.StatusInternalServerError, "", "internal server error"
 	}

-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r))
+	return http.StatusOK, "", ""
 }

-func (h *SettingsHandler) PostRegenerateSummaries(w http.ResponseWriter, r *http.Request) {
+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) actionRegenerateSummaries(w http.ResponseWriter, r *http.Request) (int, string, string) {
 	if h.config.IsDev() {
 		loadTemplates()
 	}

 	user := r.Context().Value(models.UserKey).(*models.User)

-	log.Printf("clearing summaries for user '%s'\n", user.ID)
+	logbuch.Info("clearing summaries for user '%s'", user.ID)
 	if err := h.summarySrvc.DeleteByUser(user.ID); err != nil {
-		log.Printf("failed to clear summaries: %v\n", err)
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("failed to delete old summaries"))
-		return
+		logbuch.Error("failed to clear summaries: %v", err)
+		return http.StatusInternalServerError, "", "failed to delete old summaries"
 	}

 	if err := h.aggregationSrvc.Run(map[string]bool{user.ID: true}); err != nil {
-		log.Printf("failed to regenerate summaries: %v\n", err)
-		w.WriteHeader(http.StatusInternalServerError)
-		templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithError("failed to generate aggregations"))
-		return
+		logbuch.Error("failed to regenerate summaries: %v", err)
+		return http.StatusInternalServerError, "", "failed to generate aggregations"
+
 	}

-	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r).WithSuccess("summaries are being regenerated – this may take a few seconds"))
+	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.WakatimeApiUserEndpoint,
+		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) 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"),
 	}
--- a/routes/summary.go
+++ b/routes/summary.go
@ -1,35 +1,37 @@
 package routes

 import (
+	"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"
 	"net/http"
 )

 type SummaryHandler struct {
-	summarySrvc *services.SummaryService
 	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,
+		userSrvc:    userService,
 		config:      conf.Get(),
 	}
 }

-func (h *SummaryHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
-	summary, err, status := h.loadUserSummary(r)
-	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, []string{}).Handler,
+	)
+	r.Methods(http.MethodGet).HandlerFunc(h.GetIndex)
 }

 func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
@ -43,7 +45,7 @@ func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 		r.URL.RawQuery = q.Encode()
 	}

-	summary, err, status := h.loadUserSummary(r)
+	summary, err, status := su.LoadUserSummary(h.summarySrvc, r)
 	if err != nil {
 		w.WriteHeader(status)
 		templates[conf.SummaryTemplate].Execute(w, h.buildViewModel(r).WithError(err.Error()))
@ -59,32 +61,15 @@ func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {

 	vm := models.SummaryViewModel{
 		Summary:        summary,
-		LanguageColors: utils.FilterLanguageColors(h.config.App.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[conf.SummaryTemplate].Execute(w, vm)
 }

-func (h *SummaryHandler) loadUserSummary(r *http.Request) (*models.Summary, error, int) {
-	summaryParams, err := utils.ParseSummaryParams(r)
-	if err != nil {
-		return nil, err, http.StatusBadRequest
-	}
-
-	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
-}
-
 func (h *SummaryHandler) buildViewModel(r *http.Request) *view.SummaryViewModel {
 	return &view.SummaryViewModel{
 		Success: r.URL.Query().Get("success"),
--- a/routes/utils/summary_utils.go
+++ b/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
+}
--- a/scripts/push_sample_data.py
+++ b/scripts/push_sample_data.py
@ -11,6 +11,7 @@ from typing import List, Union
 import requests
 from tqdm import tqdm

+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',
@ -75,7 +76,8 @@ def post_data_sync(data: List[Heartbeat], url: str, api_key: str):
    for h in tqdm(data):
        r = requests.post(url, json=[h.__dict__], headers={
            'User-Agent': UA,
-            'Authorization': f'Basic {encoded_key}'
+            'Authorization': f'Basic {encoded_key}',
+            'X-Machine-Name': MACHINE,
        })
        if r.status_code != 201:
            print(r.text)
--- a/services/aggregation.go
+++ b/services/aggregation.go
@ -1,12 +1,12 @@
 package services

 import (
+	"github.com/emvi/logbuch"
 	"github.com/muety/wakapi/config"
-	"log"
 	"runtime"
 	"time"

-	"github.com/jasonlvhit/gocron"
+	"github.com/go-co-op/gocron"
 	"github.com/muety/wakapi/models"
 )

@ -16,12 +16,12 @@ const (

 type AggregationService struct {
 	config           *config.Config
-	userService      *UserService
-	summaryService   *SummaryService
-	heartbeatService *HeartbeatService
+	userService      IUserService
+	summaryService   ISummaryService
+	heartbeatService IHeartbeatService
 }

-func NewAggregationService(userService *UserService, summaryService *SummaryService, heartbeatService *HeartbeatService) *AggregationService {
+func NewAggregationService(userService IUserService, summaryService ISummaryService, heartbeatService IHeartbeatService) *AggregationService {
 	return &AggregationService{
 		config:           config.Get(),
 		userService:      userService,
@ -40,11 +40,12 @@ type AggregationJob struct {
 func (srv *AggregationService) Schedule() {
 	// Run once initially
 	if err := srv.Run(nil); err != nil {
-		log.Fatalf("failed to run aggregation jobs: %v\n", err)
+		logbuch.Fatal("failed to run AggregationJob: %v", err)
 	}

-	gocron.Every(1).Day().At(srv.config.App.AggregationTime).Do(srv.Run, nil)
-	<-gocron.Start()
+	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 {
@ -72,9 +73,9 @@ func (srv *AggregationService) Run(userIds map[string]bool) error {
 func (srv *AggregationService) summaryWorker(jobs <-chan *AggregationJob, summaries chan<- *models.Summary) {
 	for job := range jobs {
 		if summary, err := srv.summaryService.Summarize(job.From, job.To, &models.User{ID: job.UserID}); err != nil {
-			log.Printf("Failed to generate summary (%v, %v, %s) – %v.\n", job.From, job.To, job.UserID, err)
+			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
 		}
 	}
@ -83,23 +84,23 @@ 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)
+			logbuch.Error("failed to save summary (%v, %v, %s) – %v", summary.UserID, summary.FromTime, summary.ToTime, err)
 		}
 	}
 }

 func (srv *AggregationService) trigger(jobs chan<- *AggregationJob, userIds map[string]bool) error {
-	log.Println("Generating summaries.")
+	logbuch.Info("generating summaries")

 	var users []*models.User
 	if allUsers, err := srv.userService.GetAll(); err != nil {
-		log.Println(err)
+		logbuch.Error(err.Error())
 		return err
 	} else if userIds != nil && len(userIds) > 0 {
-		users = make([]*models.User, len(userIds))
-		for i, u := range allUsers {
+		users = make([]*models.User, 0)
+		for _, u := range allUsers {
 			if yes, ok := userIds[u.ID]; yes && ok {
-				users[i] = u
+				users = append(users, u)
 			}
 		}
 	} else {
@ -109,14 +110,14 @@ func (srv *AggregationService) trigger(jobs chan<- *AggregationJob, userIds map[
 	// 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
 	}

 	// 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 {
-		log.Println(err)
+		logbuch.Error(err.Error())
 		return err
 	}

--- a/services/alias.go
+++ b/services/alias.go
@ -1,19 +1,20 @@
 package services

 import (
+	"errors"
+	"github.com/emvi/logbuch"
 	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/repositories"
 	"sync"
-
-	"github.com/muety/wakapi/models"
 )

 type AliasService struct {
 	config     *config.Config
-	repository *repositories.AliasRepository
+	repository repositories.IAliasRepository
 }

-func NewAliasService(aliasRepo *repositories.AliasRepository) *AliasService {
+func NewAliasService(aliasRepo repositories.IAliasRepository) *AliasService {
 	return &AliasService{
 		config:     config.Get(),
 		repository: aliasRepo,
@ -22,7 +23,14 @@ func NewAliasService(aliasRepo *repositories.AliasRepository) *AliasService {

 var userAliases sync.Map

-func (srv *AliasService) LoadUserAliases(userId string) error {
+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)
@ -30,9 +38,25 @@ func (srv *AliasService) LoadUserAliases(userId string) error {
 	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.LoadUserAliases(userId); err != nil {
+		if err := srv.InitializeUser(userId); err != nil {
 			return "", err
 		}
 	}
@ -46,9 +70,46 @@ func (srv *AliasService) GetAliasOrDefault(userId string, summaryType uint8, val
 	return value, nil
 }

-func (srv *AliasService) IsInitialized(userId string) bool {
-	if _, ok := userAliases.Load(userId); ok {
-		return true
+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)
 	}
-	return false
 }
--- a/services/alias_test.go
+++ b/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)
+}
--- a/services/heartbeat.go
+++ b/services/heartbeat.go
@ -10,11 +10,11 @@ import (

 type HeartbeatService struct {
 	config              *config.Config
-	repository          *repositories.HeartbeatRepository
-	languageMappingSrvc *LanguageMappingService
+	repository          repositories.IHeartbeatRepository
+	languageMappingSrvc ILanguageMappingService
 }

-func NewHeartbeatService(heartbeatRepo *repositories.HeartbeatRepository, languageMappingService *LanguageMappingService) *HeartbeatService {
+func NewHeartbeatService(heartbeatRepo repositories.IHeartbeatRepository, languageMappingService ILanguageMappingService) *HeartbeatService {
 	return &HeartbeatService{
 		config:              config.Get(),
 		repository:          heartbeatRepo,
--- a/services/key_value.go
+++ b/services/key_value.go
@ -8,10 +8,10 @@ import (

 type KeyValueService struct {
 	config     *config.Config
-	repository *repositories.KeyValueRepository
+	repository repositories.IKeyValueRepository
 }

-func NewKeyValueService(keyValueRepo *repositories.KeyValueRepository) *KeyValueService {
+func NewKeyValueService(keyValueRepo repositories.IKeyValueRepository) *KeyValueService {
 	return &KeyValueService{
 		config:     config.Get(),
 		repository: keyValueRepo,
--- a/services/language_mapping.go
+++ b/services/language_mapping.go
@ -1,6 +1,7 @@
 package services

 import (
+	"errors"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/repositories"
@ -10,15 +11,15 @@ import (

 type LanguageMappingService struct {
 	config     *config.Config
-	repository *repositories.LanguageMappingRepository
 	cache      *cache.Cache
+	repository repositories.ILanguageMappingRepository
 }

-func NewLanguageMappingService(languageMappingsRepo *repositories.LanguageMappingRepository) *LanguageMappingService {
+func NewLanguageMappingService(languageMappingsRepo repositories.ILanguageMappingRepository) *LanguageMappingService {
 	return &LanguageMappingService{
 		config:     config.Get(),
 		repository: languageMappingsRepo,
-		cache:      cache.New(1*time.Hour, 2*time.Hour),
+		cache:      cache.New(24*time.Hour, 24*time.Hour),
 	}
 }

@ -63,11 +64,15 @@ func (srv *LanguageMappingService) Create(mapping *models.LanguageMapping) (*mod
 }

 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 {
-	return srv.config.App.CustomLanguages
+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()
 }
--- a/services/misc.go
+++ b/services/misc.go
@ -0,0 +1,119 @@
+package services
+
+import (
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"go.uber.org/atomic"
+	"runtime"
+	"strconv"
+	"time"
+
+	"github.com/go-co-op/gocron"
+	"github.com/muety/wakapi/models"
+)
+
+type MiscService struct {
+	config          *config.Config
+	userService     IUserService
+	summaryService  ISummaryService
+	keyValueService IKeyValueService
+	jobCount        atomic.Uint32
+}
+
+func NewMiscService(userService IUserService, summaryService ISummaryService, keyValueService IKeyValueService) *MiscService {
+	return &MiscService{
+		config:          config.Get(),
+		userService:     userService,
+		summaryService:  summaryService,
+		keyValueService: keyValueService,
+	}
+}
+
+type CountTotalTimeJob struct {
+	UserID  string
+	NumJobs int
+}
+
+type CountTotalTimeResult struct {
+	UserId string
+	Total  time.Duration
+}
+
+func (srv *MiscService) ScheduleCountTotalTime() {
+	// Run once initially
+	if err := srv.runCountTotalTime(); err != nil {
+		logbuch.Error("failed to run CountTotalTimeJob: %v", err)
+	}
+
+	s := gocron.NewScheduler(time.Local)
+	s.Every(1).Day().At(srv.config.App.CountingTime).Do(srv.runCountTotalTime)
+	s.StartBlocking()
+}
+
+func (srv *MiscService) runCountTotalTime() error {
+	jobs := make(chan *CountTotalTimeJob)
+	results := make(chan *CountTotalTimeResult)
+
+	defer close(jobs)
+
+	for i := 0; i < runtime.NumCPU(); i++ {
+		go srv.countTotalTimeWorker(jobs, results)
+	}
+
+	go srv.persistTotalTimeWorker(results)
+
+	// generate the jobs
+	if users, err := srv.userService.GetAll(); err == nil {
+		for _, u := range users {
+			jobs <- &CountTotalTimeJob{
+				UserID:  u.ID,
+				NumJobs: len(users),
+			}
+		}
+	} else {
+		return err
+	}
+
+	return nil
+}
+
+func (srv *MiscService) countTotalTimeWorker(jobs <-chan *CountTotalTimeJob, results chan<- *CountTotalTimeResult) {
+	for job := range jobs {
+		if result, err := srv.summaryService.Aliased(time.Time{}, time.Now(), &models.User{ID: job.UserID}, srv.summaryService.Retrieve); err != nil {
+			logbuch.Error("failed to count total for user %s: %v", job.UserID, err)
+		} else {
+			logbuch.Info("successfully counted total for user %s", job.UserID)
+			results <- &CountTotalTimeResult{
+				UserId: job.UserID,
+				Total:  result.TotalTime(),
+			}
+		}
+		if srv.jobCount.Inc() == uint32(job.NumJobs) {
+			srv.jobCount.Store(0)
+			close(results)
+		}
+	}
+}
+
+func (srv *MiscService) persistTotalTimeWorker(results <-chan *CountTotalTimeResult) {
+	var c int
+	var total time.Duration
+	for result := range results {
+		total += result.Total
+		c++
+	}
+
+	if err := srv.keyValueService.PutString(&models.KeyStringValue{
+		Key:   config.KeyLatestTotalTime,
+		Value: total.String(),
+	}); err != nil {
+		logbuch.Error("failed to save total time count: %v", err)
+	}
+
+	if err := srv.keyValueService.PutString(&models.KeyStringValue{
+		Key:   config.KeyLatestTotalUsers,
+		Value: strconv.Itoa(c),
+	}); err != nil {
+		logbuch.Error("failed to save total users count: %v", err)
+	}
+}
--- a/services/services.go
+++ b/services/services.go
@ -0,0 +1,69 @@
+package services
+
+import (
+	"github.com/muety/wakapi/models"
+	"time"
+)
+
+type IAggregationService interface {
+	Schedule()
+	Run(map[string]bool) error
+}
+
+type IMiscService interface {
+	ScheduleCountTotalTime()
+}
+
+type IAliasService interface {
+	Create(*models.Alias) (*models.Alias, error)
+	Delete(*models.Alias) error
+	DeleteMulti([]*models.Alias) error
+	IsInitialized(string) bool
+	InitializeUser(string) error
+	GetByUser(string) ([]*models.Alias, error)
+	GetByUserAndKeyAndType(string, string, uint8) ([]*models.Alias, error)
+	GetAliasOrDefault(string, uint8, string) (string, error)
+}
+
+type IHeartbeatService interface {
+	InsertBatch([]*models.Heartbeat) error
+	GetAllWithin(time.Time, time.Time, *models.User) ([]*models.Heartbeat, error)
+	GetFirstByUsers() ([]*models.TimeByUser, error)
+	DeleteBefore(time.Time) error
+}
+
+type IKeyValueService interface {
+	GetString(string) (*models.KeyStringValue, error)
+	PutString(*models.KeyStringValue) error
+	DeleteString(string) error
+}
+
+type ILanguageMappingService interface {
+	GetById(uint) (*models.LanguageMapping, error)
+	GetByUser(string) ([]*models.LanguageMapping, error)
+	ResolveByUser(string) (map[string]string, error)
+	Create(*models.LanguageMapping) (*models.LanguageMapping, error)
+	Delete(mapping *models.LanguageMapping) error
+}
+
+type ISummaryService interface {
+	Aliased(time.Time, time.Time, *models.User, SummaryRetriever) (*models.Summary, error)
+	Retrieve(time.Time, time.Time, *models.User) (*models.Summary, error)
+	Summarize(time.Time, time.Time, *models.User) (*models.Summary, error)
+	GetLatestByUser() ([]*models.TimeByUser, error)
+	DeleteByUser(string) error
+	Insert(*models.Summary) error
+}
+
+type IUserService interface {
+	GetUserById(string) (*models.User, error)
+	GetUserByKey(string) (*models.User, error)
+	GetAll() ([]*models.User, error)
+	CreateOrGet(*models.Signup) (*models.User, bool, error)
+	Update(*models.User) (*models.User, error)
+	Delete(*models.User) error
+	ResetApiKey(*models.User) (*models.User, error)
+	ToggleBadges(*models.User) (*models.User, error)
+	SetWakatimeApiKey(*models.User, string) (*models.User, error)
+	MigrateMd5Password(*models.User, *models.Login) (*models.User, error)
+}
--- a/services/summary.go
+++ b/services/summary.go
@ -17,14 +17,14 @@ const HeartbeatDiffThreshold = 2 * time.Minute
 type SummaryService struct {
 	config           *config.Config
 	cache            *cache.Cache
-	repository       *repositories.SummaryRepository
-	heartbeatService *HeartbeatService
-	aliasService     *AliasService
+	repository       repositories.ISummaryRepository
+	heartbeatService IHeartbeatService
+	aliasService     IAliasService
 }

 type SummaryRetriever func(f, t time.Time, u *models.User) (*models.Summary, error)

-func NewSummaryService(summaryRepo *repositories.SummaryRepository, heartbeatService *HeartbeatService, aliasService *AliasService) *SummaryService {
+func NewSummaryService(summaryRepo repositories.ISummaryRepository, heartbeatService IHeartbeatService, aliasService IAliasService) *SummaryService {
 	return &SummaryService{
 		config:           config.Get(),
 		cache:            cache.New(24*time.Hour, 24*time.Hour),
@ -50,7 +50,7 @@ func (srv *SummaryService) Aliased(from, to time.Time, user *models.User, f Summ
 	}

 	// Initialize alias resolver service
-	if err := srv.aliasService.LoadUserAliases(user.ID); err != nil {
+	if err := srv.aliasService.InitializeUser(user.ID); err != nil {
 		return nil, err
 	}

@ -63,12 +63,12 @@ func (srv *SummaryService) Aliased(from, to time.Time, user *models.User, f Summ
 	// Post-process summary and cache it
 	summary := s.WithResolvedAliases(resolve)
 	srv.cache.SetDefault(cacheKey, summary)
-	return summary, nil
+	return summary.Sorted(), nil
 }

 func (srv *SummaryService) Retrieve(from, to time.Time, user *models.User) (*models.Summary, error) {
 	// Check cache
-	cacheKey := srv.getHash(from.String(), to.String(), user.ID, "--aliased")
+	cacheKey := srv.getHash(from.String(), to.String(), user.ID)
 	if cacheResult, ok := srv.cache.Get(cacheKey); ok {
 		return cacheResult.(*models.Summary), nil
 	}
@ -97,7 +97,7 @@ func (srv *SummaryService) Retrieve(from, to time.Time, user *models.User) (*mod

 	// Cache 'em
 	srv.cache.SetDefault(cacheKey, summary)
-	return summary, nil
+	return summary.Sorted(), nil
 }

 func (srv *SummaryService) Summarize(from, to time.Time, user *models.User) (*models.Summary, error) {
@ -156,9 +156,9 @@ func (srv *SummaryService) Summarize(from, to time.Time, user *models.User) (*mo
 		Machines:         machineItems,
 	}

-	summary.FillUnknown()
+	//summary.FillUnknown()

-	return summary, nil
+	return summary.Sorted(), nil
 }

 // CRUD methods
--- a/services/summary_test.go
+++ b/services/summary_test.go
@ -0,0 +1,290 @@
+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"
+	"math/rand"
+	"strings"
+	"testing"
+	"time"
+)
+
+const (
+	TestUserId         = "muety"
+	TestProject1       = "test-project-1"
+	TestProject2       = "test-project-2"
+	TestLanguageGo     = "Go"
+	TestLanguageJava   = "Java"
+	TestLanguagePython = "Python"
+	TestEditorGoland   = "GoLand"
+	TestEditorIntellij = "idea"
+	TestEditorVscode   = "vscode"
+	TestOsLinux        = "Linux"
+	TestOsWin          = "Windows"
+	TestMachine1       = "muety-desktop"
+	TestMachine2       = "muety-work"
+	MinUnixTime1       = 1601510400000 * 1e6
+)
+
+type SummaryServiceTestSuite struct {
+	suite.Suite
+	TestUser          *models.User
+	TestStartTime     time.Time
+	TestHeartbeats    []*models.Heartbeat
+	SummaryRepository *mocks.SummaryRepositoryMock
+	HeartbeatService  *mocks.HeartbeatServiceMock
+	AliasService      *mocks.AliasServiceMock
+}
+
+func (suite *SummaryServiceTestSuite) SetupSuite() {
+	suite.TestUser = &models.User{ID: TestUserId}
+
+	suite.TestStartTime = time.Unix(0, MinUnixTime1)
+	suite.TestHeartbeats = []*models.Heartbeat{
+		{
+			ID:              uint(rand.Uint32()),
+			UserID:          TestUserId,
+			Project:         TestProject1,
+			Language:        TestLanguageGo,
+			Editor:          TestEditorGoland,
+			OperatingSystem: TestOsLinux,
+			Machine:         TestMachine1,
+			Time:            models.CustomTime(suite.TestStartTime),
+		},
+		{
+			ID:              uint(rand.Uint32()),
+			UserID:          TestUserId,
+			Project:         TestProject1,
+			Language:        TestLanguageGo,
+			Editor:          TestEditorGoland,
+			OperatingSystem: TestOsLinux,
+			Machine:         TestMachine1,
+			Time:            models.CustomTime(suite.TestStartTime.Add(30 * time.Second)),
+		},
+		{
+			ID:              uint(rand.Uint32()),
+			UserID:          TestUserId,
+			Project:         TestProject1,
+			Language:        TestLanguageGo,
+			Editor:          TestEditorVscode,
+			OperatingSystem: TestOsLinux,
+			Machine:         TestMachine1,
+			Time:            models.CustomTime(suite.TestStartTime.Add(3 * time.Minute)),
+		},
+	}
+}
+
+func (suite *SummaryServiceTestSuite) BeforeTest(suiteName, testName string) {
+	suite.SummaryRepository = new(mocks.SummaryRepositoryMock)
+	suite.HeartbeatService = new(mocks.HeartbeatServiceMock)
+	suite.AliasService = new(mocks.AliasServiceMock)
+}
+
+func TestSummaryServiceTestSuite(t *testing.T) {
+	suite.Run(t, new(SummaryServiceTestSuite))
+}
+
+func (suite *SummaryServiceTestSuite) TestSummaryService_Summarize() {
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+
+	var (
+		from   time.Time
+		to     time.Time
+		result *models.Summary
+		err    error
+	)
+
+	/* TEST 1 */
+	from, to = suite.TestStartTime.Add(-1*time.Hour), suite.TestStartTime.Add(-1*time.Minute)
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(filter(from, to, suite.TestHeartbeats), nil)
+
+	result, err = sut.Summarize(from, to, suite.TestUser)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Equal(suite.T(), from, result.FromTime.T())
+	assert.Equal(suite.T(), to, result.ToTime.T())
+	assert.Zero(suite.T(), result.TotalTime())
+	assert.Empty(suite.T(), result.Projects)
+
+	/* TEST 2 */
+	from, to = suite.TestStartTime.Add(-1*time.Hour), suite.TestStartTime.Add(1*time.Second)
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(filter(from, to, suite.TestHeartbeats), nil)
+
+	result, err = sut.Summarize(from, to, suite.TestUser)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Equal(suite.T(), suite.TestHeartbeats[0].Time.T(), result.FromTime.T())
+	assert.Equal(suite.T(), suite.TestHeartbeats[0].Time.T(), result.ToTime.T())
+	assert.Zero(suite.T(), result.TotalTime())
+	assertNumAllItems(suite.T(), 1, result, "")
+
+	/* TEST 3 */
+	from, to = suite.TestStartTime, suite.TestStartTime.Add(1*time.Hour)
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(filter(from, to, suite.TestHeartbeats), nil)
+
+	result, err = sut.Summarize(from, to, suite.TestUser)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Equal(suite.T(), suite.TestHeartbeats[0].Time.T(), result.FromTime.T())
+	assert.Equal(suite.T(), suite.TestHeartbeats[len(suite.TestHeartbeats)-1].Time.T(), result.ToTime.T())
+	assert.Equal(suite.T(), 150*time.Second, result.TotalTime())
+	assert.Equal(suite.T(), 30*time.Second, result.TotalTimeByKey(models.SummaryEditor, TestEditorGoland))
+	assert.Equal(suite.T(), 120*time.Second, result.TotalTimeByKey(models.SummaryEditor, TestEditorVscode))
+	assert.Len(suite.T(), result.Editors, 2)
+	assertNumAllItems(suite.T(), 1, result, "e")
+}
+
+func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve() {
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+
+	var (
+		summaries []*models.Summary
+		from      time.Time
+		to        time.Time
+		result    *models.Summary
+		err       error
+	)
+
+	/* TEST 1 */
+	from, to = suite.TestStartTime.Add(-12*time.Hour), suite.TestStartTime.Add(12*time.Hour)
+	summaries = []*models.Summary{
+		{
+			ID:       uint(rand.Uint32()),
+			UserID:   TestUserId,
+			FromTime: models.CustomTime(from.Add(10 * time.Minute)),
+			ToTime:   models.CustomTime(to.Add(-10 * time.Minute)),
+			Projects: []*models.SummaryItem{
+				{
+					Type:  models.SummaryProject,
+					Key:   TestProject1,
+					Total: 45 * time.Minute / time.Second, // hack
+				},
+			},
+			Languages:        []*models.SummaryItem{},
+			Editors:          []*models.SummaryItem{},
+			OperatingSystems: []*models.SummaryItem{},
+			Machines:         []*models.SummaryItem{},
+		},
+	}
+
+	suite.SummaryRepository.On("GetByUserWithin", suite.TestUser, from, to).Return(summaries, nil)
+	suite.HeartbeatService.On("GetAllWithin", from, summaries[0].FromTime.T(), suite.TestUser).Return([]*models.Heartbeat{}, nil)
+	suite.HeartbeatService.On("GetAllWithin", summaries[0].ToTime.T(), to, suite.TestUser).Return([]*models.Heartbeat{}, nil)
+
+	result, err = sut.Retrieve(from, to, suite.TestUser)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Len(suite.T(), result.Projects, 1)
+	assert.Equal(suite.T(), summaries[0].Projects[0].Total*time.Second, result.TotalTime())
+	suite.HeartbeatService.AssertNumberOfCalls(suite.T(), "GetAllWithin", 2)
+
+	/* TEST 2 */
+	from, to = suite.TestStartTime.Add(-10*time.Minute), suite.TestStartTime.Add(12*time.Hour)
+	summaries = []*models.Summary{
+		{
+			ID:       uint(rand.Uint32()),
+			UserID:   TestUserId,
+			FromTime: models.CustomTime(from.Add(20 * time.Minute)),
+			ToTime:   models.CustomTime(to.Add(-6 * time.Hour)),
+			Projects: []*models.SummaryItem{
+				{
+					Type:  models.SummaryProject,
+					Key:   TestProject1,
+					Total: 45 * time.Minute / time.Second, // hack
+				},
+			},
+			Languages:        []*models.SummaryItem{},
+			Editors:          []*models.SummaryItem{},
+			OperatingSystems: []*models.SummaryItem{},
+			Machines:         []*models.SummaryItem{},
+		},
+		{
+			ID:       uint(rand.Uint32()),
+			UserID:   TestUserId,
+			FromTime: models.CustomTime(to.Add(-6 * time.Hour)),
+			ToTime:   models.CustomTime(to),
+			Projects: []*models.SummaryItem{
+				{
+					Type:  models.SummaryProject,
+					Key:   TestProject2,
+					Total: 45 * time.Minute / time.Second, // hack
+				},
+			},
+			Languages:        []*models.SummaryItem{},
+			Editors:          []*models.SummaryItem{},
+			OperatingSystems: []*models.SummaryItem{},
+			Machines:         []*models.SummaryItem{},
+		},
+	}
+
+	suite.SummaryRepository.On("GetByUserWithin", suite.TestUser, from, to).Return(summaries, nil)
+	suite.HeartbeatService.On("GetAllWithin", from, summaries[0].FromTime.T(), suite.TestUser).Return(filter(from, summaries[0].FromTime.T(), suite.TestHeartbeats), nil)
+
+	result, err = sut.Retrieve(from, to, suite.TestUser)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Len(suite.T(), result.Projects, 2)
+	assert.Equal(suite.T(), 150*time.Second+90*time.Minute, result.TotalTime())
+	assert.Equal(suite.T(), 150*time.Second+45*time.Minute, result.TotalTimeByKey(models.SummaryProject, TestProject1))
+	assert.Equal(suite.T(), 45*time.Minute, result.TotalTimeByKey(models.SummaryProject, TestProject2))
+}
+
+func (suite *SummaryServiceTestSuite) TestSummaryService_Aliased() {
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+
+	var (
+		from   time.Time
+		to     time.Time
+		result *models.Summary
+		err    error
+	)
+
+	from, to = suite.TestStartTime, suite.TestStartTime.Add(1*time.Hour)
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(filter(from, to, suite.TestHeartbeats), nil)
+	suite.AliasService.On("InitializeUser", TestUserId).Return(nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, models.SummaryProject, TestProject1).Return(TestProject2, nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, mock.Anything).Return("", nil)
+
+	result, err = sut.Aliased(from, to, suite.TestUser, sut.Summarize)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Zero(suite.T(), result.TotalTimeByKey(models.SummaryProject, TestProject1))
+	assert.NotZero(suite.T(), result.TotalTimeByKey(models.SummaryProject, TestProject2))
+}
+
+func filter(from, to time.Time, heartbeats []*models.Heartbeat) []*models.Heartbeat {
+	filtered := make([]*models.Heartbeat, 0, len(heartbeats))
+	for _, h := range heartbeats {
+		if (h.Time.T().Equal(from) || h.Time.T().After(from)) && h.Time.T().Before(to) {
+			filtered = append(filtered, h)
+		}
+	}
+	return filtered
+}
+
+func assertNumAllItems(t *testing.T, expected int, summary *models.Summary, except string) {
+	if !strings.Contains(except, "p") {
+		assert.Len(t, summary.Projects, expected)
+	}
+	if !strings.Contains(except, "e") {
+		assert.Len(t, summary.Editors, expected)
+	}
+	if !strings.Contains(except, "l") {
+		assert.Len(t, summary.Languages, expected)
+	}
+	if !strings.Contains(except, "o") {
+		assert.Len(t, summary.OperatingSystems, expected)
+	}
+	if !strings.Contains(except, "m") {
+		assert.Len(t, summary.Machines, expected)
+	}
+}
--- a/services/user.go
+++ b/services/user.go
@ -5,27 +5,51 @@ import (
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/repositories"
 	"github.com/muety/wakapi/utils"
+	"github.com/patrickmn/go-cache"
 	uuid "github.com/satori/go.uuid"
+	"time"
 )

 type UserService struct {
 	Config     *config.Config
-	repository *repositories.UserRepository
+	cache      *cache.Cache
+	repository repositories.IUserRepository
 }

-func NewUserService(userRepo *repositories.UserRepository) *UserService {
+func NewUserService(userRepo repositories.IUserRepository) *UserService {
 	return &UserService{
 		Config:     config.Get(),
 		repository: userRepo,
+		cache:      cache.New(1*time.Hour, 2*time.Hour),
 	}
 }

 func (srv *UserService) GetUserById(userId string) (*models.User, error) {
-	return srv.repository.GetById(userId)
+	if u, ok := srv.cache.Get(userId); ok {
+		return u.(*models.User), nil
+	}
+
+	u, err := srv.repository.GetById(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.Set(u.ID, u, cache.DefaultExpiration)
+	return u, nil
 }

 func (srv *UserService) GetUserByKey(key string) (*models.User, error) {
-	return srv.repository.GetByApiKey(key)
+	if u, ok := srv.cache.Get(key); ok {
+		return u.(*models.User), nil
+	}
+
+	u, err := srv.repository.GetByApiKey(key)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.Set(u.ID, u, cache.DefaultExpiration)
+	return u, nil
 }

 func (srv *UserService) GetAll() ([]*models.User, error) {
@ -49,19 +73,28 @@ func (srv *UserService) CreateOrGet(signup *models.Signup) (*models.User, bool,
 }

 func (srv *UserService) Update(user *models.User) (*models.User, error) {
+	srv.cache.Flush()
 	return srv.repository.Update(user)
 }

 func (srv *UserService) ResetApiKey(user *models.User) (*models.User, error) {
+	srv.cache.Flush()
 	user.ApiKey = uuid.NewV4().String()
 	return srv.Update(user)
 }

 func (srv *UserService) ToggleBadges(user *models.User) (*models.User, error) {
+	srv.cache.Flush()
 	return srv.repository.UpdateField(user, "badges_enabled", !user.BadgesEnabled)
 }

+func (srv *UserService) SetWakatimeApiKey(user *models.User, apiKey string) (*models.User, error) {
+	srv.cache.Flush()
+	return srv.repository.UpdateField(user, "wakatime_api_key", apiKey)
+}
+
 func (srv *UserService) MigrateMd5Password(user *models.User, login *models.Login) (*models.User, error) {
+	srv.cache.Flush()
 	user.Password = login.Password
 	if hash, err := utils.HashBcrypt(user.Password, srv.Config.Security.PasswordSalt); err != nil {
 		return nil, err
@ -70,3 +103,8 @@ func (srv *UserService) MigrateMd5Password(user *models.User, login *models.Logi
 	}
 	return srv.repository.UpdateField(user, "password", user.Password)
 }
+
+func (srv *UserService) Delete(user *models.User) error {
+	srv.cache.Flush()
+	return srv.repository.Delete(user)
+}
--- a/sonar-project.properties
+++ b/sonar-project.properties
@ -0,0 +1,3 @@
+sonar.exclusions=**/*_test.go,.idea/**,.vscode/**,mocks/**
+sonar.tests=.
+sonar.go.coverage.reportPaths=coverage/coverage.out
--- a/static/assets/app.js
+++ b/static/assets/app.js
@ -1,4 +1,3 @@
-const SHOW_TOP_N = 10
 const CHART_TARGET_SIZE = 200

 const projectsCanvas = document.getElementById('chart-projects')
@ -17,7 +16,16 @@ const containers = [projectContainer, osContainer, editorContainer, languageCont
 const canvases = [projectsCanvas, osCanvas, editorsCanvas, languagesCanvas, machinesCanvas]
 const data = [wakapiData.projects, wakapiData.operatingSystems, wakapiData.editors, wakapiData.languages, wakapiData.machines]

+let topNPickers = [...document.getElementsByClassName('top-picker')]
+topNPickers.sort(((a, b) => parseInt(a.attributes['data-entity'].value) - parseInt(b.attributes['data-entity'].value)))
+topNPickers.forEach(e => {
+    const idx = parseInt(e.attributes['data-entity'].value)
+    e.max = Math.min(data[idx].length, 10)
+    e.value = e.max
+})
+
 let charts = []
+let showTopN = []
 let resizeCount = 0

 String.prototype.toHHMMSS = function () {
@ -38,7 +46,7 @@ String.prototype.toHHMMSS = function () {
    return hours + ':' + minutes + ':' + seconds
 }

-function draw() {
+function draw(subselection) {
    function getTooltipOptions(key, type) {
        return {
            mode: 'single',
@ -47,19 +55,26 @@ function draw() {
                    let idx = type === 'pie' ? item.index : item.datasetIndex
                    let d = wakapiData[key][idx]
                    return `${d.key}: ${d.total.toString().toHHMMSS()}`
-                }
+                },
+                title: () => 'Total Time'
            }
        }
    }

-    charts.forEach(c => c.destroy())
+    function shouldUpdate(index) {
+        return !subselection || (subselection.includes(index) && data[index].length >= showTopN[index])
+    }

-    let projectChart = !projectsCanvas.classList.contains('hidden')
+    charts
+        .filter((c, i) => shouldUpdate(i))
+        .forEach(c => c.destroy())
+
+    let projectChart = !projectsCanvas.classList.contains('hidden') && shouldUpdate(0)
        ? new Chart(projectsCanvas.getContext('2d'), {
            type: 'horizontalBar',
            data: {
                datasets: wakapiData.projects
-                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.projects.length))
+                    .slice(0, Math.min(showTopN[0], wakapiData.projects.length))
                    .map(p => {
                        return {
                            label: p.key,
@ -87,18 +102,18 @@ function draw() {
        })
        : null

-    let osChart = !osCanvas.classList.contains('hidden')
+    let osChart = !osCanvas.classList.contains('hidden') && shouldUpdate(1)
        ? new Chart(osCanvas.getContext('2d'), {
            type: 'pie',
            data: {
                datasets: [{
                    data: wakapiData.operatingSystems
-                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.operatingSystems.length))
+                        .slice(0, Math.min(showTopN[1], wakapiData.operatingSystems.length))
                        .map(p => parseInt(p.total)),
-                    backgroundColor: wakapiData.operatingSystems.map(p => getRandomColor(p.key))
+                    backgroundColor: wakapiData.operatingSystems.map(p => osColors[p.key.toLowerCase()] || getRandomColor(p.key))
                }],
                labels: wakapiData.operatingSystems
-                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.operatingSystems.length))
+                    .slice(0, Math.min(showTopN[1], wakapiData.operatingSystems.length))
                    .map(p => p.key)
            },
            options: {
@ -109,18 +124,18 @@ function draw() {
        })
        : null

-    let editorChart = !editorsCanvas.classList.contains('hidden')
+    let editorChart = !editorsCanvas.classList.contains('hidden') && shouldUpdate(2)
        ? new Chart(editorsCanvas.getContext('2d'), {
            type: 'pie',
            data: {
                datasets: [{
                    data: wakapiData.editors
-                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.editors.length))
+                        .slice(0, Math.min(showTopN[2], wakapiData.editors.length))
                        .map(p => parseInt(p.total)),
-                    backgroundColor: wakapiData.editors.map(p => getRandomColor(p.key))
+                    backgroundColor: wakapiData.editors.map(p => editorColors[p.key.toLowerCase()] || getRandomColor(p.key))
                }],
                labels: wakapiData.editors
-                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.editors.length))
+                    .slice(0, Math.min(showTopN[2], wakapiData.editors.length))
                    .map(p => p.key)
            },
            options: {
@ -131,18 +146,18 @@ function draw() {
        })
        : null

-    let languageChart = !languagesCanvas.classList.contains('hidden')
+    let languageChart = !languagesCanvas.classList.contains('hidden') && shouldUpdate(3)
        ? new Chart(languagesCanvas.getContext('2d'), {
            type: 'pie',
            data: {
                datasets: [{
                    data: wakapiData.languages
-                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.languages.length))
+                        .slice(0, Math.min(showTopN[3], wakapiData.languages.length))
                        .map(p => parseInt(p.total)),
                    backgroundColor: wakapiData.languages.map(p => languageColors[p.key.toLowerCase()] || getRandomColor(p.key))
                }],
                labels: wakapiData.languages
-                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.languages.length))
+                    .slice(0, Math.min(showTopN[3], wakapiData.languages.length))
                    .map(p => p.key)
            },
            options: {
@ -153,18 +168,18 @@ function draw() {
        })
        : null

-    let machineChart = !machinesCanvas.classList.contains('hidden')
+    let machineChart = !machinesCanvas.classList.contains('hidden') && shouldUpdate(4)
        ? new Chart(machinesCanvas.getContext('2d'), {
            type: 'pie',
            data: {
                datasets: [{
                    data: wakapiData.machines
-                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.machines.length))
+                        .slice(0, Math.min(showTopN[4], wakapiData.machines.length))
                        .map(p => parseInt(p.total)),
                    backgroundColor: wakapiData.machines.map(p => getRandomColor(p.key))
                }],
                labels: wakapiData.machines
-                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.machines.length))
+                    .slice(0, Math.min(showTopN[4], wakapiData.machines.length))
                    .map(p => p.key)
            },
            options: {
@ -179,13 +194,14 @@ function draw() {

    charts = [projectChart, osChart, editorChart, languageChart, machineChart].filter(c => !!c)

-    charts.forEach(c => c.options.onResize(c.chart))
-    equalizeHeights()
+    if (!subselection) {
+        charts.forEach(c => c.options.onResize(c.chart))
+        equalizeHeights()
+    }
 }

-function setTopLabels() {
-    [...document.getElementsByClassName('top-label')]
-        .forEach(e => e.innerText = `(top ${SHOW_TOP_N})`)
+function parseTopN() {
+    showTopN = topNPickers.map(e => parseInt(e.value))
 }

 function togglePlaceholders(mask) {
@ -203,7 +219,7 @@ function togglePlaceholders(mask) {
 }

 function getPresentDataMask() {
-    return data.map(list => list ? list.reduce((acc, e) => acc + e.total, 0) : 0 > 0)
+    return data.map(list => (list ? list.reduce((acc, e) => acc + e.total, 0) : 0) > 0)
 }

 function getContainer(chart) {
@ -300,7 +316,12 @@ window.addEventListener('click', function (event) {
 })

 window.addEventListener('load', function () {
-    setTopLabels()
+    topNPickers.forEach(e => e.addEventListener('change', () => {
+        parseTopN()
+        draw([parseInt(e.attributes['data-entity'].value)])
+    }))
+
+    parseTopN()
    togglePlaceholders(getPresentDataMask())
    draw()
 })
--- a/static/assets/images/android-chrome-192x192.png
+++ b/static/assets/images/android-chrome-192x192.png
--- a/static/assets/images/android-chrome-512x512.png
+++ b/static/assets/images/android-chrome-512x512.png
--- a/static/assets/images/apple-touch-icon.png
+++ b/static/assets/images/apple-touch-icon.png
--- a/static/assets/images/favicon-16x16.png
+++ b/static/assets/images/favicon-16x16.png
--- a/static/assets/images/favicon-32x32.png
+++ b/static/assets/images/favicon-32x32.png
--- a/static/assets/images/favicon.ico
+++ b/static/assets/images/favicon.ico
--- a/static/assets/images/ghicon.svg
+++ b/static/assets/images/ghicon.svg
@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 128 128"><g fill="#eee"><path fill-rule="evenodd" clip-rule="evenodd" d="M64 5.103c-33.347 0-60.388 27.035-60.388 60.388 0 26.682 17.303 49.317 41.297 57.303 3.017.56 4.125-1.31 4.125-2.905 0-1.44-.056-6.197-.082-11.243-16.8 3.653-20.345-7.125-20.345-7.125-2.747-6.98-6.705-8.836-6.705-8.836-5.48-3.748.413-3.67.413-3.67 6.063.425 9.257 6.223 9.257 6.223 5.386 9.23 14.127 6.562 17.573 5.02.542-3.903 2.107-6.568 3.834-8.076-13.413-1.525-27.514-6.704-27.514-29.843 0-6.593 2.36-11.98 6.223-16.21-.628-1.52-2.695-7.662.584-15.98 0 0 5.07-1.623 16.61 6.19C53.7 35 58.867 34.327 64 34.304c5.13.023 10.3.694 15.127 2.033 11.526-7.813 16.59-6.19 16.59-6.19 3.287 8.317 1.22 14.46.593 15.98 3.872 4.23 6.215 9.617 6.215 16.21 0 23.194-14.127 28.3-27.574 29.796 2.167 1.874 4.097 5.55 4.097 11.183 0 8.08-.07 14.583-.07 16.572 0 1.607 1.088 3.49 4.148 2.897 23.98-7.994 41.263-30.622 41.263-57.294C124.388 32.14 97.35 5.104 64 5.104z"/><path d="M26.484 91.806c-.133.3-.605.39-1.035.185-.44-.196-.685-.605-.543-.906.13-.31.603-.395 1.04-.188.44.197.69.61.537.91zm-.743-.55M28.93 94.535c-.287.267-.85.143-1.232-.28-.396-.42-.47-.983-.177-1.254.298-.266.844-.14 1.24.28.394.426.472.984.17 1.255zm-.575-.618M31.312 98.012c-.37.258-.976.017-1.35-.52-.37-.538-.37-1.183.01-1.44.373-.258.97-.025 1.35.507.368.545.368 1.19-.01 1.452zm0 0M34.573 101.373c-.33.365-1.036.267-1.552-.23-.527-.487-.674-1.18-.343-1.544.336-.366 1.045-.264 1.564.23.527.486.686 1.18.333 1.543zm0 0M39.073 103.324c-.147.473-.825.688-1.51.486-.683-.207-1.13-.76-.99-1.238.14-.477.823-.7 1.512-.485.683.206 1.13.756.988 1.237zm0 0M44.016 103.685c.017.498-.563.91-1.28.92-.723.017-1.308-.387-1.315-.877 0-.503.568-.91 1.29-.924.717-.013 1.306.387 1.306.88zm0 0M48.614 102.903c.086.485-.413.984-1.126 1.117-.7.13-1.35-.172-1.44-.653-.086-.498.422-.997 1.122-1.126.714-.123 1.354.17 1.444.663zm0 0"/></g></svg>
--- a/static/assets/images/screenshot.png
+++ b/static/assets/images/screenshot.png
--- a/static/assets/site.webmanifest
+++ b/static/assets/site.webmanifest
@ -0,0 +1,19 @@
+{
+  "name": "",
+  "short_name": "",
+  "icons": [
+    {
+      "src": "assets/images/android-chrome-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "assets/images/android-chrome-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}
--- a/static/assets/vendor/Chart.bundle.min.js
+++ b/static/assets/vendor/Chart.bundle.min.js
--- a/static/assets/vendor/roboto-latin-ext.woff2
+++ b/static/assets/vendor/roboto-latin-ext.woff2
--- a/static/assets/vendor/roboto-latin.woff2
+++ b/static/assets/vendor/roboto-latin.woff2
--- a/static/assets/vendor/roboto.css
+++ b/static/assets/vendor/roboto.css
@ -0,0 +1,18 @@
+/* latin-ext */
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url(roboto-latin-ext.woff2) format('woff2');
+  unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
+}
+/* latin */
+@font-face {
+  font-family: 'Roboto';
+  font-style: normal;
+  font-weight: 400;
+  font-display: swap;
+  src: url(roboto-latin.woff2) format('woff2');
+  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
+}
--- a/static/assets/vendor/seedrandom.min.js
+++ b/static/assets/vendor/seedrandom.min.js
@ -0,0 +1 @@
+!function(f,a,c){var s,l=256,p="random",d=c.pow(l,6),g=c.pow(2,52),y=2*g,h=l-1;function n(n,t,r){function e(){for(var n=u.g(6),t=d,r=0;n<g;)n=(n+r)*l,t*=l,r=u.g(1);for(;y<=n;)n/=2,t/=2,r>>>=1;return(n+r)/t}var o=[],i=j(function n(t,r){var e,o=[],i=typeof t;if(r&&"object"==i)for(e in t)try{o.push(n(t[e],r-1))}catch(n){}return o.length?o:"string"==i?t:t+"\0"}((t=1==t?{entropy:!0}:t||{}).entropy?[n,S(a)]:null==n?function(){try{var n;return s&&(n=s.randomBytes)?n=n(l):(n=new Uint8Array(l),(f.crypto||f.msCrypto).getRandomValues(n)),S(n)}catch(n){var t=f.navigator,r=t&&t.plugins;return[+new Date,f,r,f.screen,S(a)]}}():n,3),o),u=new m(o);return e.int32=function(){return 0|u.g(4)},e.quick=function(){return u.g(4)/4294967296},e.double=e,j(S(u.S),a),(t.pass||r||function(n,t,r,e){return e&&(e.S&&v(e,u),n.state=function(){return v(u,{})}),r?(c[p]=n,t):n})(e,i,"global"in t?t.global:this==c,t.state)}function m(n){var t,r=n.length,u=this,e=0,o=u.i=u.j=0,i=u.S=[];for(r||(n=[r++]);e<l;)i[e]=e++;for(e=0;e<l;e++)i[e]=i[o=h&o+n[e%r]+(t=i[e])],i[o]=t;(u.g=function(n){for(var t,r=0,e=u.i,o=u.j,i=u.S;n--;)t=i[e=h&e+1],r=r*l+i[h&(i[e]=i[o=h&o+t])+(i[o]=t)];return u.i=e,u.j=o,r})(l)}function v(n,t){return t.i=n.i,t.j=n.j,t.S=n.S.slice(),t}function j(n,t){for(var r,e=n+"",o=0;o<e.length;)t[h&o]=h&(r^=19*t[h&o])+e.charCodeAt(o++);return S(t)}function S(n){return String.fromCharCode.apply(0,n)}if(j(c.random(),a),"object"==typeof module&&module.exports){module.exports=n;try{s=require("crypto")}catch(n){}}else"function"==typeof define&&define.amd?define(function(){return n}):c["seed"+p]=n}("undefined"!=typeof self?self:this,[],Math);
--- a/static/assets/vendor/tailwind.min.css
+++ b/static/assets/vendor/tailwind.min.css
--- a/utils/auth.go
+++ b/utils/auth.go
@ -1,9 +1,7 @@
 package utils

 import (
-	"crypto/md5"
 	"encoding/base64"
-	"encoding/hex"
 	"errors"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
@ -46,21 +44,17 @@ func ExtractBearerAuth(r *http.Request) (key string, err error) {
 	return string(keyBytes), err
 }

-func ExtractCookieAuth(r *http.Request, config *config.Config) (login *models.Login, err error) {
+func ExtractCookieAuth(r *http.Request, config *config.Config) (username *string, err error) {
 	cookie, err := r.Cookie(models.AuthCookieKey)
 	if err != nil {
 		return nil, errors.New("missing authentication")
 	}

-	if err := config.Security.SecureCookie.Decode(models.AuthCookieKey, cookie.Value, &login); err != nil {
-		return nil, errors.New("invalid parameters")
+	if err := config.Security.SecureCookie.Decode(models.AuthCookieKey, cookie.Value, &username); err != nil {
+		return nil, errors.New("cookie is invalid")
 	}

-	return login, nil
-}
-
-func IsMd5(hash string) bool {
-	return md5Regex.Match([]byte(hash))
+	return username, nil
 }

 func CompareBcrypt(wanted, actual, pepper string) bool {
@ -69,11 +63,6 @@ func CompareBcrypt(wanted, actual, pepper string) bool {
 	return err == nil
 }

-// deprecated, only here for backwards compatibility
-func CompareMd5(wanted, actual, pepper string) bool {
-	return HashMd5(actual, pepper) == wanted
-}
-
 func HashBcrypt(plain, pepper string) (string, error) {
 	plainPepperedPassword := []byte(strings.TrimSpace(plain) + pepper)
 	bytes, err := bcrypt.GenerateFromPassword(plainPepperedPassword, bcrypt.DefaultCost)
@ -82,10 +71,3 @@ func HashBcrypt(plain, pepper string) (string, error) {
 	}
 	return "", err
 }
-
-func HashMd5(plain, pepper string) string {
-	plainPepperedPassword := []byte(strings.TrimSpace(plain) + pepper)
-	hash := md5.Sum(plainPepperedPassword)
-	hashStr := hex.EncodeToString(hash[:])
-	return hashStr
-}
--- a/utils/color.go
+++ b/utils/color.go
@ -5,9 +5,9 @@ import (
 	"strings"
 )

-func FilterLanguageColors(all map[string]string, summary *models.Summary) map[string]string {
+func FilterColors(all map[string]string, haystack models.SummaryItems) map[string]string {
 	subset := make(map[string]string)
-	for _, item := range summary.Languages {
+	for _, item := range haystack {
 		if c, ok := all[strings.ToLower(item.Key)]; ok {
 			subset[strings.ToLower(item.Key)] = c
 		}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Ferdinand Mütsch	aef0c929df	fix: wakatime relay	2021-02-05 14:50:00 +01:00
Ferdinand Mütsch	9cb9747e2e	fix: missing summary api route	2021-02-03 21:40:01 +01:00
Ferdinand Mütsch	68a17950ef	chore: test coverage report	2021-02-03 21:29:12 +01:00
Ferdinand Mütsch	a2368ff76a	refactor: significant changes related to routing and general code cleanup	2021-02-03 21:28:02 +01:00
Ferdinand Mütsch	4838300086	refactor: settings routes and actions	2021-02-03 20:53:27 +01:00
Ferdinand Mütsch	a60c725d38	Merge pull request #111 from muety/docker-release ci(docker): Publish Docker Image on Release	2021-02-03 20:03:15 +01:00
Steven Tang	8ceef42ad4	ci(docker): Publish Docker Image on Release	2021-02-03 22:22:37 +11:00
Ferdinand Mütsch	8bed266110	feat: account deletion (#99 )	2021-02-02 22:54:22 +01:00
Ferdinand Mütsch	a7afd73e62	chore: require at least one database connection	2021-02-02 22:52:13 +01:00
Ferdinand Mütsch	1dc5be4784	fix: selective summary generation	2021-02-02 22:49:29 +01:00
Ferdinand Mütsch	b6812ddc3a	refactor: migrations structure fix: cascade for alias user foreign key constraint	2021-02-02 21:50:43 +01:00
Ferdinand Mütsch	4f7cc3c57e	fix: make logging middleware respect proxy headers	2021-01-31 19:00:42 +01:00
Ferdinand Mütsch	c6139e5366	fix: really fix it now 🤦‍♂️	2021-01-31 18:56:34 +01:00
Ferdinand Mütsch	28269aa329	fix: start and end parameter parsing for wakatime summary route	2021-01-31 18:41:48 +01:00
Ferdinand Mütsch	b7ae15496d	fix: attempt to directly hash struct again	2021-01-31 18:29:50 +01:00
Ferdinand Mütsch	f483488dd5	chore: stop gorm from logging queries	2021-01-31 18:29:24 +01:00
Ferdinand Mütsch	0c3f3b37b0	fix: attempt to quickfix hash collisions	2021-01-31 18:06:20 +01:00
Ferdinand Mütsch	dc1a0c7983	chore: introduce hashes for heartbeats	2021-01-31 17:46:50 +01:00
Ferdinand Mütsch	e4b38d3f51	fix: tests	2021-01-31 16:58:59 +01:00
Ferdinand Mütsch	665ffe8bd1	chore: log request durations (resolve #102 )	2021-01-31 16:46:39 +01:00
Ferdinand Mütsch	3e5a51c272	feat: add missing query params to wakatime endpoints (resolve #109 )	2021-01-31 16:25:48 +01:00
Ferdinand Mütsch	979549448c	chore: remove legacy support for md5 hashed passwords chore: remove password from encoded cookie content as not used anyway	2021-01-31 14:34:54 +01:00
Ferdinand Mütsch	105f96ff72	chore: get rid of cdn and serve all static assets locally	2021-01-31 14:10:17 +01:00
Ferdinand Mütsch	31013ad986	docs: update readme docs: mention tinyproxy in advanced setup instructions	2021-01-31 13:59:28 +01:00
Ferdinand Mütsch	db4cb92c26	Merge pull request #107 from YC/legacy-ini chore: remove legacy config.ini and .env	2021-01-31 13:47:07 +01:00
Steven Tang	779108ad88	chore: remove legacy config.ini and .env	2021-01-31 10:51:56 +11:00
Ferdinand Mütsch	61f8a22cff	docs: fix readme links and remove duplicated badge	2021-01-30 12:53:51 +01:00
Ferdinand Mütsch	179a107c2a	docs: update readme	2021-01-30 12:51:12 +01:00
Ferdinand Mütsch	ef0c76e2ff	docs: beautify readme	2021-01-30 12:46:13 +01:00
Ferdinand Mütsch	617d9ad7e4	refactor: include logging framework (resolve #92 )	2021-01-30 11:17:37 +01:00
Ferdinand Mütsch	fd239e4f21	chore: add check to validate wakatime api key before accepting it	2021-01-30 10:54:54 +01:00
Ferdinand Mütsch	417d4789ab	chore: move route registration into the handler classes themselves (resolve #57 )	2021-01-30 10:34:52 +01:00
Ferdinand Mütsch	a6aff07b21	chore: use wakatime colors for editors and os (resolve #100 )	2021-01-30 09:51:36 +01:00
Ferdinand Mütsch	b732eea9b7	docs: minor corrections in readme	2021-01-25 08:43:20 +01:00
Ferdinand Mütsch	71d1b2177b	fix: missing ca certificates in docker container (resolve #98 ) fix: server crash in unsuccessful relaying of heartbeat to wakatime	2021-01-24 21:39:35 +01:00
Ferdinand Mütsch	b2a3579be9	Merge pull request #97 from muety/actions fix(ci): actions release, build on push/pr	2021-01-24 12:23:05 +01:00
Steven Tang	42a6e9d923	fix(ci): actions release, build on push/pr	2021-01-24 22:06:04 +11:00
Ferdinand Mütsch	1f44ccadba	docs: update readme with new build instructions	2021-01-24 09:54:54 +01:00
Ferdinand Mütsch	6ea72c6d02	chore: increment patch version number	2021-01-24 09:50:04 +01:00
Steven Tang	d93348842a	fix: delay defer templateFile.Close()	2021-01-24 10:19:20 +11:00
Steven Tang	fb92747129	fix: embed of static, views	2021-01-24 10:13:37 +11:00
Steven Tang	4e6e665e19	feat: embed assets into binary Resolves #26	2021-01-23 10:00:15 +11:00
Ferdinand Mütsch	a3d8c4d464	chore: docs and typos	2021-01-22 00:02:56 +01:00
Ferdinand Mütsch	e9eaa9da53	chore: update version	2021-01-21 23:50:27 +01:00
Ferdinand Mütsch	5adb795f59	chore: include integrity hashes (resolve #93 )	2021-01-21 23:50:14 +01:00
Ferdinand Mütsch	a552073d18	feat: ui for configuring wakatime integration	2021-01-21 23:26:50 +01:00
Ferdinand Mütsch	de0401d4bb	fix: move caching out of authentication middleware	2021-01-21 23:19:17 +01:00
Ferdinand Mütsch	c39538db13	chore: include machine name in sample data script	2021-01-21 22:17:46 +01:00
Ferdinand Mütsch	189a09d91f	feat: relay heartbeats to wakatime (resolve #28 )	2021-01-21 22:17:32 +01:00
Ferdinand Mütsch	d57c02af7c	feat: add ui for managing aliases (resolve #91 )	2021-01-21 00:26:52 +01:00
Ferdinand Mütsch	16b683fcbd	fix: permissions bug related to deleting language mappings	2021-01-20 20:49:27 +01:00
Ferdinand Mütsch	acda62488d	chore: support for cockroachdb (resolve #90 )	2021-01-18 21:37:15 +01:00
Ferdinand Mütsch	1aecfc4ca3	chore: wording	2021-01-17 09:40:14 +01:00
Ferdinand Mütsch	cd97976ed5	chore: show total hours on index page (resolve #88 )	2021-01-17 09:32:08 +01:00
Ferdinand Mütsch	3a4504d56a	Merge pull request #86 from YC/docker docker: reduce image layers	2021-01-12 12:27:50 +01:00
Ferdinand Mütsch	a018f70c3f	Merge pull request #85 from YC/master Reduce minimum username length to 1	2021-01-12 12:17:36 +01:00
Steven Tang	a03e49e7f0	chore: increment version to 1.18.2	2021-01-12 21:57:15 +11:00
Steven Tang	ec81d9fe5d	docker: reduce image layers	2021-01-12 21:50:20 +11:00
Steven Tang	b7a1e2d795	Reduce minimum username length to 1	2021-01-12 21:06:57 +11:00
Ferdinand Mütsch	98b62b33c8	fix: concurrent access to language mappings (resolve #83 )	2021-01-07 10:56:00 +01:00
Ferdinand Mütsch	262bee9022	fix: do not attempt to bind on ipv6 in docker (resolve #84 )	2021-01-07 10:55:53 +01:00
Ferdinand Mütsch	9766d8e903	feat: ability to choose number of top entities to display (resolve #81 )	2021-01-05 12:41:01 +01:00
Ferdinand Mütsch	39c4777fc8	fix: crash on fail to listen	2021-01-05 11:28:51 +01:00
Ferdinand Mütsch	143c80b7b4	docs: update readme	2021-01-04 11:39:02 +01:00
Ferdinand Mütsch	72e42a9c42	feat: add ipv6 and tls support (resolve #79 )	2020-12-12 22:07:00 +01:00
Ferdinand Mütsch	439a87dec9	docs: advanced setup instructions for client-side reverse proxy	2020-12-11 23:05:49 +01:00
Ferdinand Mütsch	e8067bb13e	fix: crash when running aggregation job on schedule (fix #78 ) chore: move from gocron to its maintained fork	2020-12-11 10:05:17 +01:00
Ferdinand Mütsch	219e969957	Merge branch 'master' of github.com:muety/wakapi into master	2020-12-02 23:16:48 +01:00
Ferdinand Mütsch	e610bb3ee3	fix: html footer rendering chore: update chartjs	2020-12-02 23:16:12 +01:00
Ferdinand Mütsch	889edd7a33	Merge pull request #77 from notarock/master Added missing closing parens in language mapping description	2020-12-01 07:48:04 +01:00
Roch D'Amour	4161623c24	Added missing closing parens	2020-11-30 21:42:29 -05:00
Ferdinand Mütsch	67fe6eea56	chore: even more code smell	2020-11-28 20:57:13 +01:00
Ferdinand Mütsch	095fef4868	chore: minor code smell	2020-11-28 20:50:35 +01:00
Ferdinand Mütsch	a0e64ca955	chore: show badges on front page	2020-11-28 20:44:39 +01:00
Ferdinand Mütsch	903defca99	fix: commit missing files chore: add favicon	2020-11-28 20:31:28 +01:00
Ferdinand Mütsch	16b9aa2282	feat: add front page (resolve #34 )	2020-11-28 20:23:40 +01:00
Ferdinand Mütsch	4a78f66778	chore: set samesite attributes and configurable max age for cookies (resolve #75 ) fix: sort entities by total time descending (resolve #74)	2020-11-21 22:30:56 +01:00
Ferdinand Mütsch	f4328c452f	test: add essential unit tests for core functionality (resolve #6 )	2020-11-14 12:30:45 +01:00
Ferdinand Mütsch	e806e5455e	chore: attempt to exclude test and mock code from analysis	2020-11-08 13:13:48 +01:00
Ferdinand Mütsch	97e1fb27eb	chore: attempt to configure coverage for sonar	2020-11-08 13:07:37 +01:00
Ferdinand Mütsch	ad8168801c	test: add first few unit tests	2020-11-08 12:46:12 +01:00
Ferdinand Mütsch	35cdc7b485	refactor: define interface types for all services and repositories	2020-11-08 10:12:49 +01:00
Ferdinand Mütsch	664714de8f	fix: filters	2020-11-07 18:39:36 +01:00
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