fix: not creating language mappings table due to broken type definition in users model (resolve #69 )

chore: introduce foreign key constraints
fix: postgres connection (resolve #70 )
2023-08-10 21:12:56 +03:00 · 2020-11-03 10:26:32 +01:00 · 2020-11-03 10:02:59 +01:00 · 2020-11-01 20:14:10 +01:00 · 2020-11-01 16:56:36 +01:00 · 2020-11-01 16:04:30 +01:00
76 changed files with 3020 additions and 1122 deletions
--- a/.env.example
+++ b/.env.example
@ -1,8 +0,0 @@
-ENV=dev
-WAKAPI_DB_TYPE=sqlite3                  # mysql, postgres, sqlite3
-WAKAPI_DB_NAME=wakapi_db.db             # database name for mysql / postgres or file path for sqlite (e.g. /tmp/wakapi.db)
-WAKAPI_DB_USER=myuser                   # ignored when using sqlite
-WAKAPI_DB_PASSWORD=shhh                 # ignored when using sqlite
-WAKAPI_DB_HOST=localhost                # ignored when using sqlite
-WAKAPI_DB_PORT=3306                     # ignored when using sqlite
-WAKAPI_PASSWORD_SALT=shhh               # CHANGE !
--- a/.github/workflows/linux-build-on-release.yml
+++ b/.github/workflows/linux-build-on-release.yml
@ -31,6 +31,7 @@ jobs:
      uses: TheDoctor0/zip-release@v0.3.0
      with:
        filename: release.zip
+        exclusions: '*.git*'

    - name: Upload built executable to Release
      uses: actions/upload-release-asset@v1.0.2
--- a/.gitignore
+++ b/.gitignore
@ -5,4 +5,6 @@ wakapi
 .idea
 build
 *.exe
-*.db
+*.db
+config.yml
+config.ini
--- a/20
+++ b/20
@ -1,14 +1,17 @@
 # Build Stage

 FROM golang:1.13 AS build-env
-ADD . /src
-RUN cd /src && go build -o wakapi
+WORKDIR /src
+ADD ./go.mod .
+RUN go mod download

+ADD . .
+RUN go build -o wakapi

 # Final Stage

 # When running the application using `docker run`, you can pass environment variables
-# to override config values from .env using `-e` syntax.
+# to override config values using `-e` syntax.
 # Available options are:
 # – WAKAPI_DB_TYPE
 # – WAKAPI_DB_USER
@ -22,7 +25,7 @@ RUN cd /src && go build -o wakapi
 FROM debian
 WORKDIR /app

-ENV ENV prod
+ENV ENVIRONMENT prod
 ENV WAKAPI_DB_TYPE sqlite3
 ENV WAKAPI_DB_USER ''
 ENV WAKAPI_DB_PASSWORD ''
@ -31,12 +34,11 @@ ENV WAKAPI_DB_NAME=/data/wakapi.db
 ENV WAKAPI_PASSWORD_SALT ''

 COPY --from=build-env /src/wakapi /app/
-COPY --from=build-env /src/config.ini /app/
+COPY --from=build-env /src/config.default.yml /app/config.yml
 COPY --from=build-env /src/version.txt /app/
-COPY --from=build-env /src/.env.example /app/.env

-RUN sed -i 's/listen = 127.0.0.1/listen = 0.0.0.0/g' /app/config.ini
-RUN sed -i 's/insecure_cookies = false/insecure_cookies = true/g' /app/config.ini
+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
@ -46,4 +48,4 @@ ADD wait-for-it.sh .

 VOLUME /data

-ENTRYPOINT ./wait-for-it.sh
+ENTRYPOINT ./wait-for-it.sh
--- a/README.md
+++ b/README.md
@ -1,12 +1,20 @@
 # 📈 wakapi

-[![](http://img.shields.io/liberapay/receives/muety.svg?logo=liberapay&style=flat-square)](https://liberapay.com/muety/)
-[![Say thanks](https://img.shields.io/badge/SayThanks.io-%E2%98%BC-1EAEDB.svg?style=flat-square)](https://saythanks.io/to/n1try)
-![](https://img.shields.io/github/license/muety/wakapi?style=flat-square)
-[![Go Report Card](https://goreportcard.com/badge/github.com/muety/wakapi?style=flat-square)](https://goreportcard.com/report/github.com/muety/wakapi)
-
-[![Buy me a coffee](https://www.buymeacoffee.com/assets/img/custom_images/orange_img.png)](https://buymeacoff.ee/n1try)
-
+![](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)
 ---

 **A minimalist, self-hosted WakaTime-compatible backend for coding statistics**
@ -15,12 +23,12 @@

 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!

-## Demo 
-🔥 **New:** There is hosted [demo version](https://apps.muetsch.io/wakapi) available now. Go check it out! Please use responsibly.
+## 👀 Hosted Service
+🔥 **New:** Wakapi is available as a hosted service now. Check out **[wakapi.dev](https://wakapi.dev)**. Please use responsibly.

-To use the demo version set `api_url = https://apps.muetsch.io/wakapi/api/heartbeat`. However, this hosted instance might be taken down again in the future, so you might potentially lose your data ❕
+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 ❕

-## Prerequisites
+## ⚙️ Prerequisites
 **On the server side:**
 * Go >= 1.13 (with `$GOPATH` properly set)
 * gcc (to compile [go-sqlite3](https://github.com/mattn/go-sqlite3))
@ -32,26 +40,46 @@ To use the demo version set `api_url = https://apps.muetsch.io/wakapi/api/heartb
 **On your local machine:**
 * [WakaTime plugin](https://wakatime.com/plugins) for your editor / IDE

-## Server Setup
+## ⌨️ Server Setup
 ### Run from source
 1. Clone the project
-1. Copy `.env.example` to `.env` and set database credentials
-1. Adapt `config.ini` to your needs
+1. Copy `config.default.yml` to `config.yml` and adapt it to your needs
 1. Build executable: `GO111MODULE=on go build`
 1. Run server: `./wakapi`

 **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.

-**Note:** By default, the application is running in dev mode. However, it is recommended to set `ENV=production` in `.env` 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](i#best-practices)) or set `insecure_cookies = true` in `config.ini`. 
+**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
 ```

-By default, SQLite is used as a database. To run Wakapi in Docker with MySQL or Postgres, see [Dockerfile](https://github.com/muety/wakapi/blob/master/Dockerfile) and [.env.example](https://github.com/muety/wakapi/blob/master/.env.example) for further options.
+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.

-## Client Setup
+## 🔧 Configuration
+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                                                         |
+|---------------------------|---------------------------|--------------|---------------------------------------------------------------------|
+| `env`                       | `ENVIRONMENT`               | `dev`          | Whether to use development- or production settings                  |
+| `app.cleanup`               | `WAKAPI_CLEANUP`            | `false`        | Whether or not to clean up old heartbeats (be careful!)             |
+| `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.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                           |
+| `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.max_conn`               | `WAKAPI_DB_MAX_CONNECTIONS` | `2`            | Maximum number of database connections                              |
+
+## 💻 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)
@ -64,7 +92,7 @@ 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
+## 🔵 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.
@ -80,15 +108,36 @@ INSERT INTO aliases (`type`, `user_id`, `key`, `value`) VALUES (0, 'your_usernam
 * Language ~  type **1**
 * Editor ~ type **2**
 * OS ~  type **3**
+* Machine ~  type **4**

-**NOTE:** In order for the aliases to take effect for non-live statistics, you would either have to wait 24 hours for the cache to be invalidated or restart Wakapi.
+## 🔧 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)).

-## Best Practices
+* `POST /api/heartbeat`
+* `GET /api/summary`
+  * `string` parameter `interval`: One of `today`, `day`, `week`, `month`, `year`, `any`
+* `GET /api/compat/wakatime/v1/users/current/all_time_since_today` (see [Wakatime API docs](https://wakatime.com/developers#all_time_since_today))
+* `GET /api/compat/wakatime/v1/users/current/summaries` (see [Wakatime API docs](https://wakatime.com/developers#summaries))
+* `GET /api/health`
+
+## ⤴️ Prometheus Export
+If you want to export your Wakapi statistics to Prometheus to view them in a Grafana dashboard or so please refer to an excellent tool called **[wakatime_exporter](https://github.com/MacroPower/wakatime_exporter)**.
+
+[![](https://github-readme-stats.vercel.app/api/pin/?username=MacroPower&repo=wakatime_exporter&show_owner=true)](https://github.com/MacroPower/wakatime_exporter)
+
+It is a standalone webserver that connects to your Wakapi instance and exposes the data as Prometheus metrics. Although originally developed to scrape data from WakaTime, it will mostly for with Wakapi as well, as the APIs are partially compatible.
+
+Simply configure the exporter with `WAKA_SCRAPE_URI` to equal `"https://wakapi.your-server.com/api/compat/wakatime/v1"` and set your API key accordingly.
+
+## 🏷 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 `listen = 0.0.0.0` in `config.ini`
+However, if you want to expose your wakapi instance to the public anyway, you need to set `server.listen_ipv4` to `0.0.0.0` in `config.yml`

-## Important Note
+## ⚠️ 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!**

-## License
+## 📓 License
 GPL-v3 @ [Ferdinand Mütsch](https://muetsch.io)
--- a/config.default.yml
+++ b/config.default.yml
@ -0,0 +1,26 @@
+env: development
+
+server:
+  listen_ipv4: 127.0.0.1
+  port: 3000
+  base_path: /
+
+app:
+  cleanup: false            # only edit, if you know what you're doing
+  aggregation_time: '02:15' # time at which to run daily aggregation batch jobs
+  custom_languages:
+    vue: Vue
+    jsx: JSX
+
+db:
+  host:                     # leave blank when using sqlite3
+  port:                     # leave blank when using sqlite3
+  user:                     # leave blank when using sqlite3
+  password:                 # leave blank when using sqlite3
+  name: wakapi_db.db        # database name for mysql / postgres or file path for sqlite (e.g. /tmp/wakapi.db)
+  dialect: sqlite3          # mysql, postgres, sqlite3
+  max_conn: 2
+
+security:
+  password_salt:            # CHANGE !
+  insecure_cookies: false
--- a/config.ini
+++ b/config.ini
@ -1,14 +0,0 @@
-[server]
-listen = 127.0.0.1
-port = 3000
-base_path = /
-insecure_cookies = false
-
-[app]
-cleanup = false
-
-[database]
-max_connections = 2
-
-[languages]
-vue = Vue
--- a/config/config.go
+++ b/config/config.go
@ -0,0 +1,246 @@
+package config
+
+import (
+	"encoding/json"
+	"flag"
+	"fmt"
+	"github.com/gorilla/securecookie"
+	"github.com/jinzhu/configor"
+	"github.com/muety/wakapi/models"
+	migrate "github.com/rubenv/sql-migrate"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/postgres"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm"
+	"io/ioutil"
+	"log"
+	"os"
+	"strings"
+)
+
+const (
+	defaultConfigPath          = "config.yml"
+	defaultConfigPathLegacy    = "config.ini"
+	defaultEnvConfigPathLegacy = ".env"
+)
+
+var (
+	cfg   *Config
+	cFlag *string
+)
+
+type appConfig struct {
+	CleanUp         bool              `default:"false" env:"WAKAPI_CLEANUP"`
+	AggregationTime string            `yaml:"aggregation_time" default:"02:15" env:"WAKAPI_AGGREGATION_TIME"`
+	CustomLanguages map[string]string `yaml:"custom_languages"`
+	LanguageColors  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"`
+	SecureCookie    *securecookie.SecureCookie `yaml:"-"`
+}
+
+type dbConfig struct {
+	Host     string `env:"WAKAPI_DB_HOST"`
+	Port     uint   `env:"WAKAPI_DB_PORT"`
+	User     string `env:"WAKAPI_DB_USER"`
+	Password string `env:"WAKAPI_DB_PASSWORD"`
+	Name     string `default:"wakapi_db.db" env:"WAKAPI_DB_NAME"`
+	Dialect  string `default:"sqlite3" env:"WAKAPI_DB_TYPE"`
+	MaxConn  uint   `yaml:"max_conn" default:"2" env:"WAKAPI_DB_MAX_CONNECTIONS"`
+}
+
+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"`
+}
+
+type Config struct {
+	Env      string `default:"dev" env:"ENVIRONMENT"`
+	Version  string `yaml:"-"`
+	App      appConfig
+	Security securityConfig
+	Db       dbConfig
+	Server   serverConfig
+}
+
+func init() {
+	cFlag = flag.String("c", defaultConfigPath, "config file location")
+	flag.Parse()
+}
+
+func (c *Config) IsDev() bool {
+	return IsDev(c.Env)
+}
+
+func (c *Config) GetMigrationFunc(dbDialect string) models.MigrationFunc {
+	switch dbDialect {
+	default:
+		return func(db *gorm.DB) error {
+			db.AutoMigrate(&models.User{})
+			db.AutoMigrate(&models.KeyStringValue{})
+			db.AutoMigrate(&models.Alias{})
+			db.AutoMigrate(&models.Heartbeat{})
+			db.AutoMigrate(&models.Summary{})
+			db.AutoMigrate(&models.SummaryItem{})
+			db.AutoMigrate(&models.LanguageMapping{})
+			return nil
+		}
+	}
+}
+
+func (c *Config) GetFixturesFunc(dbDialect string) models.MigrationFunc {
+	return func(db *gorm.DB) error {
+		migrations := &migrate.FileMigrationSource{
+			Dir: "migrations/common/fixtures",
+		}
+
+		migrate.SetIgnoreUnknown(true)
+		sqlDb, _ := db.DB()
+		n, err := migrate.Exec(sqlDb, dbDialect, migrations, migrate.Up)
+		if err != nil {
+			return err
+		}
+
+		log.Printf("applied %d fixtures\n", n)
+		return nil
+	}
+}
+
+func (c *dbConfig) GetDialector() gorm.Dialector {
+	switch c.Dialect {
+	case "mysql":
+		return mysql.New(mysql.Config{
+			DriverName: c.Dialect,
+			DSN:        mysqlConnectionString(c),
+		})
+	case "postgres":
+		return postgres.New(postgres.Config{
+			DSN: postgresConnectionString(c),
+		})
+	case "sqlite3":
+		return sqlite.Open(sqliteConnectionString(c))
+	}
+	return nil
+}
+
+func mysqlConnectionString(config *dbConfig) string {
+	//location, _ := time.LoadLocation("Local")
+	return fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=true&loc=%s&sql_mode=ANSI_QUOTES",
+		config.User,
+		config.Password,
+		config.Host,
+		config.Port,
+		config.Name,
+		"Local",
+	)
+}
+
+func postgresConnectionString(config *dbConfig) string {
+	return fmt.Sprintf("host=%s port=%d user=%s dbname=%s password=%s sslmode=disable",
+		config.Host,
+		config.Port,
+		config.User,
+		config.Name,
+		config.Password,
+	)
+}
+
+func sqliteConnectionString(config *dbConfig) string {
+	return config.Name
+}
+
+func IsDev(env string) bool {
+	return env == "dev" || env == "development"
+}
+
+func readVersion() string {
+	file, err := os.Open("version.txt")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer file.Close()
+
+	bytes, err := ioutil.ReadAll(file)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	return string(bytes)
+}
+
+func readLanguageColors() 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"`
+	}
+
+	data, err := ioutil.ReadFile("data/colors.json")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	if err := json.Unmarshal(data, &rawColors); err != nil {
+		log.Fatal(err)
+	}
+
+	for k, v := range rawColors {
+		colors[strings.ToLower(k)] = v.Color
+	}
+
+	return colors
+}
+
+func mustReadConfigLocation() string {
+	if _, err := os.Stat(*cFlag); err != nil {
+		log.Fatalf("failed to find config file at '%s'\n", *cFlag)
+	}
+
+	return *cFlag
+}
+
+func Set(config *Config) {
+	cfg = config
+}
+
+func Get() *Config {
+	return cfg
+}
+
+func Load() *Config {
+	config := &Config{}
+
+	maybeMigrateLegacyConfig()
+
+	if err := configor.New(&configor.Config{}).Load(config, mustReadConfigLocation()); err != nil {
+		log.Fatalf("failed to read config: %v\n", err)
+	}
+
+	config.Version = readVersion()
+	config.App.LanguageColors = readLanguageColors()
+	// TODO: Read keys from env, so that users are not logged out every time the server is restarted
+	config.Security.SecureCookie = securecookie.New(
+		securecookie.GenerateRandomKey(64),
+		securecookie.GenerateRandomKey(32),
+	)
+
+	if strings.HasSuffix(config.Server.BasePath, "/") {
+		config.Server.BasePath = config.Server.BasePath[:len(config.Server.BasePath)-1]
+	}
+
+	for k, v := range config.App.CustomLanguages {
+		if v == "" {
+			config.App.CustomLanguages[k] = "unknown"
+		}
+	}
+
+	Set(config)
+	return Get()
+}
--- a/config/legacy.go
+++ b/config/legacy.go
@ -0,0 +1,127 @@
+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 = "sqlite3"
+	}
+
+	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
+	}
+
+	cleanUp := cfg.Section("app").Key("cleanup").MustBool(false)
+
+	// Read custom languages
+	customLangs := make(map[string]string)
+	languageKeys := cfg.Section("languages").Keys()
+	for _, k := range languageKeys {
+		customLangs[k.Name()] = k.MustString("unknown")
+	}
+
+	// step 3: instantiate config
+	config := &Config{
+		Env: env,
+		App: appConfig{
+			CleanUp:         cleanUp,
+			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
@ -0,0 +1,9 @@
+package config
+
+const (
+	IndexTemplate    = "index.tpl.html"
+	ImprintTemplate  = "imprint.tpl.html"
+	SignupTemplate   = "signup.tpl.html"
+	SettingsTemplate = "settings.tpl.html"
+	SummaryTemplate  = "summary.tpl.html"
+)
--- a/docker-compose.yml
+++ b/docker-compose.yml
@ -0,0 +1,23 @@
+version: '3.7'
+
+services:
+  wakapi:
+    build: .
+    ports:
+      - 3000:3000
+    restart: always
+    environment:
+      WAKAPI_DB_TYPE: "postgres"
+      WAKAPI_DB_NAME: "wakapi"
+      WAKAPI_DB_USER: "wakapi"
+      WAKAPI_DB_PASSWORD: "CHANGE_ME!!!"
+      WAKAPI_DB_HOST: "db"
+      WAKAPI_DB_PORT: "5432"
+      ENVIRONMENT: "prod"
+
+  db:
+    image: postgres:12.3
+    environment:
+      POSTGRES_USER: "wakapi"
+      POSTGRES_PASSWORD: "CHANGE_ME!!!"
+      POSTGRES_DB: "wakapi"
--- a/go.mod
+++ b/go.mod
@ -8,13 +8,20 @@ require (
 	github.com/gorilla/schema v1.1.0
 	github.com/gorilla/securecookie v1.1.1
 	github.com/jasonlvhit/gocron v0.0.0-20191106203602-f82992d443f4
-	github.com/jinzhu/gorm v1.9.11
+	github.com/jinzhu/configor v1.2.0
 	github.com/joho/godotenv v1.3.0
-	github.com/kr/pretty v0.2.0 // indirect
+	github.com/kr/text v0.2.0 // indirect
+	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
+	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/t-tiger/gorm-bulk-insert v0.0.0-20191014134946-beb77b81825f
-	golang.org/x/crypto v0.0.0-20191122220453-ac88ee75c92c
+	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
+	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
 )
--- a/go.sum
+++ b/go.sum
@ -1,6 +1,6 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
-cloud.google.com/go v0.37.4/go.mod h1:NHPJ89PdicEuT9hdPXMROBD91xc5uRDxsMtSB16k7hw=
+github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
@ -31,21 +31,24 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
+github.com/cockroachdb/apd v1.1.0 h1:3LFP3629v+1aKXU5Q37mxmRxX/pIu1nijXydLShEq5I=
+github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-etcd v2.0.0+incompatible/go.mod h1:Jez6KQU2B/sWsbdaef3ED8NzMklzPG4d5KIOhIy30Tk=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
+github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
 github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
 github.com/cpuguy83/go-md2man v1.0.10/go.mod h1:SmD6nW6nTyfqj6ABTjUi3V3JVMnlJmwcJI5acqYI6dE=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/denisenkom/go-mssqldb v0.0.0-20190515213511-eb9f6a1743f3/go.mod h1:zAg7JM8CkOJ43xKXIj7eRO9kmWm/TW578qo+oDO6tuM=
-github.com/denisenkom/go-mssqldb v0.0.0-20191001013358-cfbb681360f0 h1:epsH3lb7KVbXHYk7LYGN5EiE0MxcevHU85CKITJ0wUY=
 github.com/denisenkom/go-mssqldb v0.0.0-20191001013358-cfbb681360f0/go.mod h1:xbL0rPBG9cCiLr28tMa8zpbdarY27NDyej4t/EjAShU=
 github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
@ -56,8 +59,6 @@ github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaB
 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=
-github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5 h1:Yzb9+7DPaBjB8zlTR87/ElzFsnQfuHnVUVqpZZIcV5Y=
-github.com/erikstmartin/go-testdb v0.0.0-20160219214506-8d10e4a1bae5/go.mod h1:a2zkGnVExMxdzMo3M0Hi/3sEU+cWnZpSni0O6/Yb/P0=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
@ -71,8 +72,9 @@ github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
 github.com/go-redis/redis v6.15.5+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA=
 github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
-github.com/go-sql-driver/mysql v1.4.1 h1:g24URVg0OFbNUTx9qqY1IRZ9D9z3iPyi5zKhQZpNwpA=
 github.com/go-sql-driver/mysql v1.4.1/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
+github.com/go-sql-driver/mysql v1.5.0 h1:ozyZYNQW3x3HtqT1jira07DN2PArx2v7/mN66gGcHOs=
+github.com/go-sql-driver/mysql v1.5.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
 github.com/gobuffalo/envy v1.7.0/go.mod h1:n7DRkBerg/aorDM8kbduw5dN3oXGswK5liaSCx4T5NI=
 github.com/gobuffalo/envy v1.7.1 h1:OQl5ys5MBea7OGCdvPbBJWRgnhC/fGona6QKfvFeau8=
@ -84,6 +86,8 @@ github.com/gobuffalo/packd v0.3.0/go.mod h1:zC7QkmNkYVGKPw4tHpBQ+ml7W/3tIebgeo1b
 github.com/gobuffalo/packr/v2 v2.7.1 h1:n3CIW5T17T8v4GGK5sWXLVWJhCz7b5aNLSxW6gYim4o=
 github.com/gobuffalo/packr/v2 v2.7.1/go.mod h1:qYEvAazPaVxy7Y7KR0W8qYEE+RymX74kETFqjFoFlOc=
 github.com/godror/godror v0.13.3/go.mod h1:2ouUT4kdhUBk7TAkHWD4SN0CdI0pgEQbo8FVHhbSKWg=
+github.com/gofrs/uuid v3.2.0+incompatible h1:y12jRkkFxsd7GpqdSZ+/KCs/fJbqpEXSGd4+jfEaewE=
+github.com/gofrs/uuid v3.2.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
 github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
 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=
@ -94,7 +98,6 @@ github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfU
 github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
-github.com/golang/mock v1.2.0/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
@ -106,11 +109,8 @@ github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
-github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8=
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
@ -152,14 +152,66 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
 github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
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+github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/oklog/oklog v0.3.2/go.mod h1:FCV+B7mhrz4o+ueLpx+KqkyXRGMWOYEvfiXtdGtbWGs=
 github.com/oklog/run v1.0.0/go.mod h1:dlhp/R75TPv97u0XWUtDeV/lRKWPKSdTuV0TZvrmrQA=
 github.com/olekukonko/tablewriter v0.0.0-20170122224234-a0225b3f23b5/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
@ -252,6 +314,7 @@ github.com/performancecopilot/speed v3.0.0+incompatible/go.mod h1:/CLtqpZ5gBg1M9
 github.com/pierrec/lz4 v1.0.2-0.20190131084431-473cd7ce01a1/go.mod h1:3/3N9NVKO0jef7pBehbT1qWhCMrIgbYNnFAZCqQ5LRc=
 github.com/pierrec/lz4 v2.0.5+incompatible/go.mod h1:pdkljMzZIN41W+lC3N2tnIh5sFi+IEE17M5jbnwPHcY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/profile v1.2.1/go.mod h1:hJw3o1OdXxsrSjjVksARp5W95eeEaEfptyVZyv6JUPA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
@ -280,6 +343,9 @@ github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFR
 github.com/rogpeppe/go-internal v1.3.2/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
 github.com/rogpeppe/go-internal v1.4.0 h1:LUa41nrWTQNGhzdsZ5lTnkwbNjj6rXTdazA1cSdjkOY=
 github.com/rogpeppe/go-internal v1.4.0/go.mod h1:xXDCJY+GAPziupqXw64V24skbSoqbTEfhy4qGm1nDQc=
+github.com/rs/xid v1.2.1/go.mod h1:+uKXf+4Djp6Md1KODXJxgGQPKngRmWyn10oCKFzNHOQ=
+github.com/rs/zerolog v1.13.0/go.mod h1:YbFCdg8HfsridGWAh22vktObvhZbQsZXe4/zB0OKkWU=
+github.com/rs/zerolog v1.15.0/go.mod h1:xYTKnLHcpfU2225ny5qZjxnj9NvkumZYjJHlAThCjNc=
 github.com/rubenv/sql-migrate v0.0.0-20200402132117-435005d389bc h1:+2DdDcxVYlarHjYcZTt8dZ4Ec8cXZirzL5ko0mkKPjU=
 github.com/rubenv/sql-migrate v0.0.0-20200402132117-435005d389bc/go.mod h1:DCgfY80j8GYL7MLEfvcpSFvjD0L5yZq/aZUJmhZklyg=
 github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
@ -289,8 +355,12 @@ github.com/samuel/go-zookeeper v0.0.0-20190923202752-2cc03de413da/go.mod h1:gi+0
 github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
 github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
+github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
+github.com/shopspring/decimal v0.0.0-20200227202807-02e2044944cc h1:jUIKcSPO9MoMJBbEoyE/RJoE8vz7Mb8AjvifMMwSyvY=
+github.com/shopspring/decimal v0.0.0-20200227202807-02e2044944cc/go.mod h1:DKyhrW/HYNuLGql+MJL6WCR6knT2jwCFRcu2hWCYk4o=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
+github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
 github.com/sirupsen/logrus v1.4.2 h1:SPIRibHv4MatM3XXNO2BJeFLZwZ2LvZgfQ5+UNI2im4=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
@ -312,18 +382,19 @@ 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/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 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/t-tiger/gorm-bulk-insert v0.0.0-20191014134946-beb77b81825f h1:Op5lFYUNE7tPxu6gJfwkgY8HMIWpLqiLApBJfGs71U8=
-github.com/t-tiger/gorm-bulk-insert v0.0.0-20191014134946-beb77b81825f/go.mod h1:SK1RZT4TR1aMUNGtbk6YxTPgx2D/gfbxB571QGnAV+c=
+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/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=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
+github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
 github.com/ziutek/mymysql v1.5.4 h1:GB0qdRGsTwQSBVYuVShFBKaXSnSnYYC2d9knnE1LHFs=
 github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wKdgO/C0=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
@ -332,10 +403,14 @@ go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 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/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=
+go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
+go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@ -343,12 +418,16 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190411191339-88737f569e3a/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20191122220453-ac88ee75c92c h1:/nJuwDLoL/zrqY6gf57vxC+Pi+pZ8bfhpPkicO5H7W4=
-golang.org/x/crypto v0.0.0-20191122220453-ac88ee75c92c/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200323165209-0ec3e9974c59/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
+golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
@ -392,19 +471,24 @@ golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190515120540-06a5c4944438/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191220142924-d4481acd189f h1:68K/z8GLUxV76xGSqwTWw2gyk/jwn79LUL43rES2g8o=
 golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae h1:/WDfKMnPU+m5M4xB+6x4kaepxRw6jWvR5iDRdvjHgy8=
+golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@ -414,24 +498,27 @@ golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190425163242-31fd60d6bfdc/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
+golang.org/x/tools v0.0.0-20190823170909-c4a336ef6a2f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 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/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=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/appengine v1.2.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.5 h1:tycE03LOZYQNhDpS27tcQdAzLCVMaj7QT2SXxebnpCM=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190404172233-64821d5d2107/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
@ -446,14 +533,16 @@ google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyac
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
+gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/gorp.v1 v1.7.2 h1:j3DWlAyGVv8whO7AcIWznQ2Yj7yJkn34B8s63GViAAw=
 gopkg.in/gorp.v1 v1.7.2/go.mod h1:Wo3h+DBQZIxATwftsglhdD/62zRFPhGhTiu5jUJmCaw=
+gopkg.in/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=
@ -462,11 +551,21 @@ gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRN
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5 h1:ymVxjfMaHvXD8RqPRmzHHsB3VvucivSkIAvJFDI5O3c=
 gopkg.in/yaml.v2 v2.2.5/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=
+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=
+gorm.io/driver/postgres v1.0.5/go.mod h1:qrD92UurYzNctBMVCJ8C3VQEjffEuphycXtxOudXNCA=
+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=
 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 v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
--- a/main.go
+++ b/main.go
@ -2,41 +2,54 @@ package main

 import (
 	"github.com/gorilla/handlers"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/migrations/common"
+	"github.com/muety/wakapi/repositories"
 	"log"
 	"net/http"
 	"strconv"
 	"time"

 	"github.com/gorilla/mux"
-	"github.com/jinzhu/gorm"
-	_ "github.com/jinzhu/gorm/dialects/mysql"
-	_ "github.com/jinzhu/gorm/dialects/postgres"
-	_ "github.com/jinzhu/gorm/dialects/sqlite"
 	"github.com/muety/wakapi/middlewares"
-	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/routes"
+	shieldsV1Routes "github.com/muety/wakapi/routes/compat/shields/v1"
+	wtV1Routes "github.com/muety/wakapi/routes/compat/wakatime/v1"
 	"github.com/muety/wakapi/services"
-	"github.com/muety/wakapi/utils"
+	_ "gorm.io/driver/mysql"
+	_ "gorm.io/driver/postgres"
+	_ "gorm.io/driver/sqlite"
+	"gorm.io/gorm"
 )

 var (
 	db     *gorm.DB
-	config *models.Config
+	config *conf.Config
 )

 var (
-	aliasService       *services.AliasService
-	heartbeatService   *services.HeartbeatService
-	userService        *services.UserService
-	summaryService     *services.SummaryService
-	aggregationService *services.AggregationService
-	keyValueService    *services.KeyValueService
+	aliasRepository           *repositories.AliasRepository
+	heartbeatRepository       *repositories.HeartbeatRepository
+	userRepository            *repositories.UserRepository
+	languageMappingRepository *repositories.LanguageMappingRepository
+	summaryRepository         *repositories.SummaryRepository
+	keyValueRepository        *repositories.KeyValueRepository
+)
+
+var (
+	aliasService           *services.AliasService
+	heartbeatService       *services.HeartbeatService
+	userService            *services.UserService
+	languageMappingService *services.LanguageMappingService
+	summaryService         *services.SummaryService
+	aggregationService     *services.AggregationService
+	keyValueService        *services.KeyValueService
 )

 // TODO: Refactor entire project to be structured after business domains

 func main() {
-	config = models.GetConfig()
+	config = conf.Load()

 	// Enable line numbers in logging
 	if config.IsDev() {
@ -44,54 +57,66 @@ func main() {
 	}

 	// Show data loss warning
-	if config.CleanUp {
+	if config.App.CleanUp {
 		promptAbort("`CLEANUP` is set to `true`, which may cause data loss. Are you sure to continue?", 5)
 	}

 	// Connect to database
 	var err error
-	db, err = gorm.Open(config.DbDialect, utils.MakeConnectionString(config))
-	if config.DbDialect == "sqlite3" {
-		db.DB().Exec("PRAGMA foreign_keys = ON;")
+	db, err = gorm.Open(config.Db.GetDialector(), &gorm.Config{})
+	if config.Db.Dialect == "sqlite3" {
+		db.Raw("PRAGMA foreign_keys = ON;")
 	}
-	db.LogMode(config.IsDev())
-	db.DB().SetMaxIdleConns(int(config.DbMaxConn))
-	db.DB().SetMaxOpenConns(int(config.DbMaxConn))
+
+	sqlDb, _ := db.DB()
+	sqlDb.SetMaxIdleConns(int(config.Db.MaxConn))
+	sqlDb.SetMaxOpenConns(int(config.Db.MaxConn))
 	if err != nil {
 		log.Println(err)
 		log.Fatal("could not connect to database")
 	}
-	// TODO: Graceful shutdown
-	defer db.Close()
+	defer sqlDb.Close()

 	// Migrate database schema
+	common.RunCustomPreMigrations(db, config)
 	runDatabaseMigrations()
-	applyFixtures()
+	common.RunCustomPostMigrations(db, config)
+
+	// Repositories
+	aliasRepository = repositories.NewAliasRepository(db)
+	heartbeatRepository = repositories.NewHeartbeatRepository(db)
+	userRepository = repositories.NewUserRepository(db)
+	languageMappingRepository = repositories.NewLanguageMappingRepository(db)
+	summaryRepository = repositories.NewSummaryRepository(db)
+	keyValueRepository = repositories.NewKeyValueRepository(db)

 	// Services
-	aliasService = services.NewAliasService(db)
-	heartbeatService = services.NewHeartbeatService(db)
-	userService = services.NewUserService(db)
-	summaryService = services.NewSummaryService(db, heartbeatService, aliasService)
-	aggregationService = services.NewAggregationService(db, userService, summaryService, heartbeatService)
-	keyValueService = services.NewKeyValueService(db)
-
-	// Custom migrations and initial data
-	migrateLanguages()
+	aliasService = services.NewAliasService(aliasRepository)
+	userService = services.NewUserService(userRepository)
+	languageMappingService = services.NewLanguageMappingService(languageMappingRepository)
+	heartbeatService = services.NewHeartbeatService(heartbeatRepository, languageMappingService)
+	summaryService = services.NewSummaryService(summaryRepository, heartbeatService, aliasService)
+	aggregationService = services.NewAggregationService(userService, summaryService, heartbeatService)
+	keyValueService = services.NewKeyValueService(keyValueRepository)

 	// Aggregate heartbeats to summaries and persist them
 	go aggregationService.Schedule()

-	if config.CleanUp {
+	if config.App.CleanUp {
 		go heartbeatService.ScheduleCleanUp()
 	}

+	// TODO: move endpoint registration to the respective routes files
+
 	// Handlers
-	heartbeatHandler := routes.NewHeartbeatHandler(heartbeatService)
 	summaryHandler := routes.NewSummaryHandler(summaryService)
 	healthHandler := routes.NewHealthHandler(db)
-	settingsHandler := routes.NewSettingsHandler(userService)
+	heartbeatHandler := routes.NewHeartbeatHandler(heartbeatService, languageMappingService)
+	settingsHandler := routes.NewSettingsHandler(userService, languageMappingService)
 	publicHandler := routes.NewIndexHandler(userService, keyValueService)
+	wakatimeV1AllHandler := wtV1Routes.NewAllTimeHandler(summaryService)
+	wakatimeV1SummariesHandler := wtV1Routes.NewSummariesHandler(summaryService)
+	shieldV1BadgeHandler := shieldsV1Routes.NewBadgeHandler(summaryService, userService)

 	// Setup Routers
 	router := mux.NewRouter()
@ -99,6 +124,9 @@ func main() {
 	settingsRouter := publicRouter.PathPrefix("/settings").Subrouter()
 	summaryRouter := publicRouter.PathPrefix("/summary").Subrouter()
 	apiRouter := router.PathPrefix("/api").Subrouter()
+	compatRouter := apiRouter.PathPrefix("/compat").Subrouter()
+	wakatimeV1Router := compatRouter.PathPrefix("/wakatime/v1").Subrouter()
+	shieldsV1Router := compatRouter.PathPrefix("/shields/v1").Subrouter()

 	// Middlewares
 	recoveryMiddleware := handlers.RecoveryHandler()
@ -106,7 +134,7 @@ func main() {
 	corsMiddleware := handlers.CORS()
 	authenticateMiddleware := middlewares.NewAuthenticateMiddleware(
 		userService,
-		[]string{"/api/health"},
+		[]string{"/api/health", "/api/compat/shields/v1"},
 	).Handler

 	// Router configs
@ -129,18 +157,28 @@ func main() {
 	// 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.PostCreateLanguageMapping)
+	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)

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

 	// Listen HTTP
-	portString := config.Addr + ":" + strconv.Itoa(config.Port)
+	portString := config.Server.ListenIpV4 + ":" + strconv.Itoa(config.Server.Port)
 	s := &http.Server{
 		Handler:      router,
 		Addr:         portString,
@ -152,32 +190,11 @@ func main() {
 }

 func runDatabaseMigrations() {
-	if err := config.GetMigrationFunc(config.DbDialect)(db); err != nil {
+	if err := config.GetMigrationFunc(config.Db.Dialect)(db); err != nil {
 		log.Fatal(err)
 	}
 }

-func applyFixtures() {
-	if err := config.GetFixturesFunc(config.DbDialect)(db); err != nil {
-		log.Fatal(err)
-	}
-}
-
-func migrateLanguages() {
-	for k, v := range config.CustomLanguages {
-		result := db.Model(models.Heartbeat{}).
-			Where("language = ?", "").
-			Where("entity LIKE ?", "%."+k).
-			Updates(models.Heartbeat{Language: v})
-		if result.Error != nil {
-			log.Fatal(result.Error)
-		}
-		if result.RowsAffected > 0 {
-			log.Printf("Migrated %+v rows for custom language %+s.\n", result.RowsAffected, k)
-		}
-	}
-}
-
 func promptAbort(message string, timeoutSec int) {
 	log.Printf("[WARNING] %s.\nTo abort server startup, press Ctrl+C.\n", message)
 	for i := timeoutSec; i > 0; i-- {
--- a/middlewares/authenticate.go
+++ b/middlewares/authenticate.go
@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/utils"
 	"log"
 	"net/http"
@ -17,7 +18,7 @@ import (
 )

 type AuthenticateMiddleware struct {
-	config         *models.Config
+	config         *conf.Config
 	userSrvc       *services.UserService
 	cache          *cache.Cache
 	whitelistPaths []string
@ -25,7 +26,7 @@ type AuthenticateMiddleware struct {

 func NewAuthenticateMiddleware(userService *services.UserService, whitelistPaths []string) *AuthenticateMiddleware {
 	return &AuthenticateMiddleware{
-		config:         models.GetConfig(),
+		config:         conf.Get(),
 		userSrvc:       userService,
 		cache:          cache.New(1*time.Hour, 2*time.Hour),
 		whitelistPaths: whitelistPaths,
@ -57,8 +58,8 @@ 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.InsecureCookies)
-			http.Redirect(w, r, fmt.Sprintf("%s/?error=unauthorized", m.config.BasePath), http.StatusFound)
+			utils.ClearCookie(w, models.AuthCookieKey, !m.config.Security.InsecureCookies)
+			http.Redirect(w, r, fmt.Sprintf("%s/?error=unauthorized", m.config.Server.BasePath), http.StatusFound)
 		}
 		return
 	}
@ -106,7 +107,7 @@ func (m *AuthenticateMiddleware) tryGetUserByCookie(r *http.Request) (*models.Us
 		return nil, err
 	}

-	if !CheckAndMigratePassword(user, login, m.config.PasswordSalt, m.userSrvc) {
+	if !CheckAndMigratePassword(user, login, m.config.Security.PasswordSalt, m.userSrvc) {
 		return nil, errors.New("invalid password")
 	}

@ -116,12 +117,12 @@ func (m *AuthenticateMiddleware) tryGetUserByCookie(r *http.Request) (*models.Us
 // migrate old md5-hashed passwords to new salted bcrypt hashes for backwards compatibility
 func CheckAndMigratePassword(user *models.User, login *models.Login, salt string, userServiceRef *services.UserService) bool {
 	if utils.IsMd5(user.Password) {
-		if utils.CheckPasswordMd5(user, login.Password) {
+		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.CheckPasswordBcrypt(user, login.Password, salt)
+	return utils.CompareBcrypt(user.Password, login.Password, salt)
 }
--- a/migrations/common/common.go
+++ b/migrations/common/common.go
@ -0,0 +1,11 @@
+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
@ -0,0 +1,30 @@
+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
@ -0,0 +1,43 @@
+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",
+		},
+	}
+}
+
+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/fixtures/1_imprint_content.sql
+++ b/migrations/common/fixtures/1_imprint_content.sql
@ -1,7 +1,8 @@
 -- +migrate Up
 -- SQL in section 'Up' is executed when this migration is applied
-insert into key_string_values (`key`, `value`) values ('imprint', 'no content here');
+insert into key_string_values ("key", "value") values ('imprint', 'no content here');

 -- +migrate Down
 -- SQL section 'Down' is executed when this migration is rolled back
-delete from key_string_values where `key` = 'imprint';
+SET SQL_MODE=ANSI_QUOTES;
+delete from key_string_values where key = 'imprint';
--- a/migrations/common/languages.go
+++ b/migrations/common/languages.go
@ -0,0 +1,25 @@
+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/sqlite3/1_initial.sql
+++ b/migrations/sqlite3/1_initial.sql
@ -1,87 +0,0 @@
-- +migrate Up
-- SQL in section 'Up' is executed when this migration is applied
-create table aliases
-(
-    id      integer primary key autoincrement,
-    type    integer      not null,
-    user_id varchar(255) not null,
-    key     varchar(255) not null,
-    value   varchar(255) not null
-);
-
-create index idx_alias_type_key
-    on aliases (type, key);
-
-create index idx_alias_user
-    on aliases (user_id);
-
-create table summaries
-(
-    id        integer primary key autoincrement,
-    user_id   varchar(255) not null,
-    from_time timestamp default CURRENT_TIMESTAMP not null,
-    to_time   timestamp default CURRENT_TIMESTAMP not null
-);
-
-create index idx_time_summary_user
-    on summaries (user_id, from_time, to_time);
-
-create table summary_items
-(
-    id         integer primary key autoincrement,
-    summary_id integer REFERENCES summaries (id) ON DELETE CASCADE ON UPDATE CASCADE,
-    type       integer,
-    key        varchar(255),
-    total      bigint
-);
-
-create table users
-(
-    id       varchar(255) primary key,
-    api_key  varchar(255) unique,
-    password varchar(255)
-);
-
-create table heartbeats
-(
-    id               integer primary key autoincrement,
-    user_id          varchar(255) not null REFERENCES users (id) ON DELETE RESTRICT ON UPDATE RESTRICT,
-    entity           varchar(255) not null,
-    type             varchar(255),
-    category         varchar(255),
-    project          varchar(255),
-    branch           varchar(255),
-    language         varchar(255),
-    is_write         bool,
-    editor           varchar(255),
-    operating_system varchar(255),
-    time             timestamp default CURRENT_TIMESTAMP
-);
-
-create index idx_entity
-    on heartbeats (entity);
-
-create index idx_language
-    on heartbeats (language);
-
-create index idx_time
-    on heartbeats (time);
-
-create index idx_time_user
-    on heartbeats (user_id, time);
-
-
-
-- +migrate Down
-- SQL section 'Down' is executed when this migration is rolled back
-DROP INDEX idx_alias_user;
-DROP INDEX idx_alias_type_key;
-DROP TABLE aliases;
-DROP INDEX idx_time_summary_user;
-DROP TABLE summaries;
-DROP TABLE summary_items;
-DROP TABLE heartbeats;
-DROP INDEX idx_entity;
-DROP INDEX idx_language;
-DROP INDEX idx_time;
-DROP INDEX idx_time_user;
--- a/migrations/sqlite3/2_key_value_table.sql
+++ b/migrations/sqlite3/2_key_value_table.sql
@ -1,11 +0,0 @@
-- +migrate Up
-- SQL in section 'Up' is executed when this migration is applied
-create table key_string_values
-(
-    key      varchar(255) primary key,
-    value    text
-);
-
-- +migrate Down
-- SQL section 'Down' is executed when this migration is rolled back
-drop table key_string_value;
--- a/migrations/sqlite3/3_user_creation_date.sql
+++ b/migrations/sqlite3/3_user_creation_date.sql
@ -1,20 +0,0 @@
-- +migrate Up
-- SQL in section 'Up' is executed when this migration is applied
-
-- SQLite does not allow altering a table to add a new column with default of CURRENT_TIMESTAMP
-- See https://www.sqlite.org/lang_altertable.html
-
-alter table users
-    add `created_at` timestamp default '2020-01-01T00:00:00.000' not null;
-
-alter table users
-    add `last_logged_in_at` timestamp default '2020-01-01T00:00:00.000' not null;
-
-- +migrate Down
-- SQL section 'Down' is executed when this migration is rolled back
-
-alter table users
-    drop column `created_at`;
-
-alter table users
-    drop column `last_logged_in_at`;
--- a/migrations/sqlite3/4_machine_column.sql
+++ b/migrations/sqlite3/4_machine_column.sql
@ -1,11 +0,0 @@
-- +migrate Up
-- SQL in section 'Up' is executed when this migration is applied
-
-alter table users
-    add `machine` varchar(255);
-
-- +migrate Down
-- SQL section 'Down' is executed when this migration is rolled back
-
-alter table users
-    drop column `machine`;
--- a/models/alias.go
+++ b/models/alias.go
@ -3,6 +3,7 @@ package models
 type Alias struct {
 	ID     uint   `gorm:"primary_key"`
 	Type   uint8  `gorm:"not null; index:idx_alias_type_key"`
+	User   *User  `json:"-" gorm:"not null"`
 	UserID string `gorm:"not null; index:idx_alias_user"`
 	Key    string `gorm:"not null; index:idx_alias_type_key"`
 	Value  string `gorm:"not null"`
--- a/models/compat/shields/v1/badge.go
+++ b/models/compat/shields/v1/badge.go
@ -0,0 +1,37 @@
+package v1
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"time"
+)
+
+// https://shields.io/endpoint
+
+const (
+	defaultLabel = "coding time"
+	defaultColor = "#2D3748" // not working
+)
+
+type BadgeData struct {
+	SchemaVersion int    `json:"schemaVersion"`
+	Label         string `json:"label"`
+	Message       string `json:"message"`
+	Color         string `json:"color"`
+}
+
+func NewBadgeDataFrom(summary *models.Summary, filters *models.Filters) *BadgeData {
+	var total time.Duration
+	if hasFilter, _, _ := filters.First(); hasFilter {
+		total = summary.TotalTimeByFilters(filters)
+	} else {
+		total = summary.TotalTime()
+	}
+
+	return &BadgeData{
+		SchemaVersion: 1,
+		Label:         defaultLabel,
+		Message:       utils.FmtWakatimeDuration(total),
+		Color:         defaultColor,
+	}
+}
--- a/models/compat/wakatime/v1/all_time.go
+++ b/models/compat/wakatime/v1/all_time.go
@ -0,0 +1,36 @@
+package v1
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"time"
+)
+
+// https://wakatime.com/developers#all_time_since_today
+
+type AllTimeViewModel struct {
+	Data *allTimeData `json:"data"`
+}
+
+type allTimeData struct {
+	TotalSeconds float32 `json:"total_seconds"` // total number of seconds logged since account created
+	Text         string  `json:"text"`          // total time logged since account created as human readable string>
+	IsUpToDate   bool    `json:"is_up_to_date"` // true if the stats are up to date; when false, a 202 response code is returned and stats will be refreshed soon>
+}
+
+func NewAllTimeFrom(summary *models.Summary, filters *models.Filters) *AllTimeViewModel {
+	var total time.Duration
+	if key := filters.Project; key != "" {
+		total = summary.TotalTimeByFilters(filters)
+	} else {
+		total = summary.TotalTime()
+	}
+
+	return &AllTimeViewModel{
+		Data: &allTimeData{
+			TotalSeconds: float32(total.Seconds()),
+			Text:         utils.FmtWakatimeDuration(total),
+			IsUpToDate:   true,
+		},
+	}
+}
--- a/models/compat/wakatime/v1/summaries.go
+++ b/models/compat/wakatime/v1/summaries.go
@ -0,0 +1,176 @@
+package v1
+
+import (
+	"fmt"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/utils"
+	"math"
+	"sync"
+	"time"
+)
+
+// https://wakatime.com/developers#summaries
+// https://pastr.de/v/736450
+
+type SummariesViewModel struct {
+	Data  []*summariesData `json:"data"`
+	End   time.Time        `json:"end"`
+	Start time.Time        `json:"start"`
+}
+
+type summariesData struct {
+	Categories       []*summariesEntry    `json:"categories"`
+	Dependencies     []*summariesEntry    `json:"dependencies"`
+	Editors          []*summariesEntry    `json:"editors"`
+	Languages        []*summariesEntry    `json:"languages"`
+	Machines         []*summariesEntry    `json:"machines"`
+	OperatingSystems []*summariesEntry    `json:"operating_systems"`
+	Projects         []*summariesEntry    `json:"projects"`
+	GrandTotal       *summariesGrandTotal `json:"grand_total"`
+	Range            *summariesRange      `json:"range"`
+}
+
+type summariesEntry struct {
+	Digital      string  `json:"digital"`
+	Hours        int     `json:"hours"`
+	Minutes      int     `json:"minutes"`
+	Name         string  `json:"name"`
+	Percent      float64 `json:"percent"`
+	Seconds      int     `json:"seconds"`
+	Text         string  `json:"text"`
+	TotalSeconds float64 `json:"total_seconds"`
+}
+
+type summariesGrandTotal struct {
+	Digital      string  `json:"digital"`
+	Hours        int     `json:"hours"`
+	Minutes      int     `json:"minutes"`
+	Text         string  `json:"text"`
+	TotalSeconds float64 `json:"total_seconds"`
+}
+
+type summariesRange struct {
+	Date     string    `json:"date"`
+	End      time.Time `json:"end"`
+	Start    time.Time `json:"start"`
+	Text     string    `json:"text"`
+	Timezone string    `json:"timezone"`
+}
+
+func NewSummariesFrom(summaries []*models.Summary, filters *models.Filters) *SummariesViewModel {
+	data := make([]*summariesData, len(summaries))
+	minDate, maxDate := time.Now().Add(1*time.Second), time.Time{}
+
+	for i, s := range summaries {
+		data[i] = newDataFrom(s)
+
+		if s.FromTime.T().Before(minDate) {
+			minDate = s.FromTime.T()
+		}
+		if s.ToTime.T().After(maxDate) {
+			maxDate = s.ToTime.T()
+		}
+	}
+
+	return &SummariesViewModel{
+		Data:  data,
+		End:   maxDate,
+		Start: minDate,
+	}
+}
+
+func newDataFrom(s *models.Summary) *summariesData {
+	zone, _ := time.Now().Zone()
+	total := s.TotalTime()
+	totalHrs, totalMins := int(total.Hours()), int((total - time.Duration(total.Hours())*time.Hour).Minutes())
+
+	data := &summariesData{
+		Categories:       make([]*summariesEntry, 0),
+		Dependencies:     make([]*summariesEntry, 0),
+		Editors:          make([]*summariesEntry, len(s.Editors)),
+		Languages:        make([]*summariesEntry, len(s.Languages)),
+		Machines:         make([]*summariesEntry, len(s.Machines)),
+		OperatingSystems: make([]*summariesEntry, len(s.OperatingSystems)),
+		Projects:         make([]*summariesEntry, len(s.Projects)),
+		GrandTotal: &summariesGrandTotal{
+			Digital:      fmt.Sprintf("%d:%d", totalHrs, totalMins),
+			Hours:        totalHrs,
+			Minutes:      totalMins,
+			Text:         utils.FmtWakatimeDuration(total),
+			TotalSeconds: total.Seconds(),
+		},
+		Range: &summariesRange{
+			Date:     time.Now().Format(time.RFC3339),
+			End:      s.ToTime.T(),
+			Start:    s.FromTime.T(),
+			Text:     "",
+			Timezone: zone,
+		},
+	}
+
+	var wg sync.WaitGroup
+	wg.Add(5)
+
+	go func(data *summariesData) {
+		defer wg.Done()
+		for i, e := range s.Projects {
+			data.Projects[i] = convertEntry(e, s.TotalTimeBy(models.SummaryProject))
+		}
+	}(data)
+
+	go func(data *summariesData) {
+		defer wg.Done()
+		for i, e := range s.Editors {
+			data.Editors[i] = convertEntry(e, s.TotalTimeBy(models.SummaryEditor))
+		}
+	}(data)
+
+	go func(data *summariesData) {
+		defer wg.Done()
+		for i, e := range s.Languages {
+			data.Languages[i] = convertEntry(e, s.TotalTimeBy(models.SummaryLanguage))
+
+		}
+	}(data)
+
+	go func(data *summariesData) {
+		defer wg.Done()
+		for i, e := range s.OperatingSystems {
+			data.OperatingSystems[i] = convertEntry(e, s.TotalTimeBy(models.SummaryOS))
+		}
+	}(data)
+
+	go func(data *summariesData) {
+		defer wg.Done()
+		for i, e := range s.Machines {
+			data.Machines[i] = convertEntry(e, s.TotalTimeBy(models.SummaryMachine))
+		}
+	}(data)
+
+	wg.Wait()
+	return data
+}
+
+func convertEntry(e *models.SummaryItem, entityTotal time.Duration) *summariesEntry {
+	// this is a workaround, since currently, the total time of a summary item is mistakenly represented in seconds
+	// TODO: fix some day, while migrating persisted summary items
+	total := e.Total * time.Second
+	hrs := int(total.Hours())
+	mins := int((total - time.Duration(hrs)*time.Hour).Minutes())
+	secs := int((total - time.Duration(hrs)*time.Hour - time.Duration(mins)*time.Minute).Seconds())
+	percentage := math.Round((total.Seconds()/entityTotal.Seconds())*1e4) / 100
+	if math.IsNaN(percentage) || math.IsInf(percentage, 0) {
+		percentage = 0
+	}
+
+	return &summariesEntry{
+		Digital:      fmt.Sprintf("%d:%d:%d", hrs, mins, secs),
+		Hours:        hrs,
+		Minutes:      mins,
+		Name:         e.Key,
+		Percent:      percentage,
+		Seconds:      secs,
+		Text:         utils.FmtWakatimeDuration(total),
+		TotalSeconds: total.Seconds(),
+	}
+}
--- a/models/config.go
+++ b/models/config.go
@ -1,229 +0,0 @@
-package models
-
-import (
-	"encoding/json"
-	"github.com/gorilla/securecookie"
-	"github.com/jinzhu/gorm"
-	"github.com/joho/godotenv"
-	migrate "github.com/rubenv/sql-migrate"
-	"gopkg.in/ini.v1"
-	"io/ioutil"
-	"log"
-	"os"
-	"strconv"
-	"strings"
-)
-
-var cfg *Config
-
-type Config struct {
-	Env        string
-	Version    string
-	Port       int
-	Addr       string
-	BasePath   string
-	DbHost     string
-	DbPort     uint
-	DbUser     string
-	DbPassword string
-	DbName     string
-	DbDialect  string
-	DbMaxConn  uint
-	CleanUp    bool
-	// this is actually a pepper (https://en.wikipedia.org/wiki/Pepper_(cryptography))
-	PasswordSalt         string
-	SecureCookieHashKey  string
-	SecureCookieBlockKey string
-	InsecureCookies      bool
-	CustomLanguages      map[string]string
-	LanguageColors       map[string]string
-	SecureCookie         *securecookie.SecureCookie
-}
-
-func (c *Config) IsDev() bool {
-	return IsDev(c.Env)
-}
-
-func (c *Config) GetMigrationFunc(dbDialect string) MigrationFunc {
-	switch dbDialect {
-	case "sqlite3":
-		return func(db *gorm.DB) error {
-			migrations := &migrate.FileMigrationSource{
-				Dir: "migrations/sqlite3",
-			}
-
-			migrate.SetIgnoreUnknown(true)
-			n, err := migrate.Exec(db.DB(), "sqlite3", migrations, migrate.Up)
-			if err != nil {
-				return err
-			}
-
-			log.Printf("applied %d migrations\n", n)
-			return nil
-		}
-	default:
-		return func(db *gorm.DB) error {
-			db.AutoMigrate(&Alias{})
-			db.AutoMigrate(&Summary{})
-			db.AutoMigrate(&SummaryItem{})
-			db.AutoMigrate(&User{})
-			db.AutoMigrate(&Heartbeat{}).AddForeignKey("user_id", "users(id)", "RESTRICT", "RESTRICT")
-			db.AutoMigrate(&SummaryItem{}).AddForeignKey("summary_id", "summaries(id)", "CASCADE", "CASCADE")
-			db.AutoMigrate(&KeyStringValue{})
-			return nil
-		}
-	}
-}
-
-func (c *Config) GetFixturesFunc(dbDialect string) MigrationFunc {
-	return func(db *gorm.DB) error {
-		migrations := &migrate.FileMigrationSource{
-			Dir: "migrations/common/fixtures",
-		}
-
-		migrate.SetIgnoreUnknown(true)
-		n, err := migrate.Exec(db.DB(), dbDialect, migrations, migrate.Up)
-		if err != nil {
-			return err
-		}
-
-		log.Printf("applied %d fixtures\n", n)
-		return nil
-	}
-}
-
-func IsDev(env string) bool {
-	return env == "dev" || env == "development"
-}
-
-func SetConfig(config *Config) {
-	cfg = config
-}
-
-func GetConfig() *Config {
-	return cfg
-}
-
-func LookupFatal(key string) string {
-	v, ok := os.LookupEnv(key)
-	if !ok {
-		log.Fatalf("missing env variable '%s'", key)
-	}
-	return v
-}
-
-func readVersion() string {
-	file, err := os.Open("version.txt")
-	if err != nil {
-		log.Fatal(err)
-	}
-	defer file.Close()
-
-	bytes, err := ioutil.ReadAll(file)
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	return string(bytes)
-}
-
-func readConfig() *Config {
-	if err := godotenv.Load(); err != nil {
-		log.Fatal(err)
-	}
-
-	version := readVersion()
-
-	env := LookupFatal("ENV")
-	dbType := LookupFatal("WAKAPI_DB_TYPE")
-	dbUser := LookupFatal("WAKAPI_DB_USER")
-	dbPassword := LookupFatal("WAKAPI_DB_PASSWORD")
-	dbHost := LookupFatal("WAKAPI_DB_HOST")
-	dbName := LookupFatal("WAKAPI_DB_NAME")
-	dbPortStr := LookupFatal("WAKAPI_DB_PORT")
-	passwordSalt := LookupFatal("WAKAPI_PASSWORD_SALT")
-	dbPort, err := strconv.Atoi(dbPortStr)
-
-	cfg, err := ini.Load("config.ini")
-	if err != nil {
-		log.Fatalf("Fail to read file: %v", err)
-	}
-
-	if dbType == "" {
-		dbType = "mysql"
-	}
-
-	dbMaxConn := cfg.Section("database").Key("max_connections").MustUint(1)
-	addr := cfg.Section("server").Key("listen").MustString("127.0.0.1")
-	insecureCookies := IsDev(env) || cfg.Section("server").Key("insecure_cookies").MustBool(false)
-	port, err := strconv.Atoi(os.Getenv("PORT"))
-	if err != nil {
-		port = cfg.Section("server").Key("port").MustInt()
-	}
-
-	basePathEnv, basePathEnvExists := os.LookupEnv("WAKAPI_BASE_PATH")
-	basePath := cfg.Section("server").Key("base_path").MustString("/")
-	if basePathEnvExists {
-		basePath = basePathEnv
-	}
-	if strings.HasSuffix(basePath, "/") {
-		basePath = basePath[:len(basePath)-1]
-	}
-
-	cleanUp := cfg.Section("app").Key("cleanup").MustBool(false)
-
-	// Read custom languages
-	customLangs := make(map[string]string)
-	languageKeys := cfg.Section("languages").Keys()
-	for _, k := range languageKeys {
-		customLangs[k.Name()] = k.MustString("unknown")
-	}
-
-	// Read language colors
-	// Source: https://raw.githubusercontent.com/ozh/github-colors/master/colors.json
-	var colors = make(map[string]string)
-	var rawColors map[string]struct {
-		Color string `json:"color"`
-		Url   string `json:"url"`
-	}
-
-	data, err := ioutil.ReadFile("data/colors.json")
-	if err != nil {
-		log.Fatal(err)
-	}
-
-	if err := json.Unmarshal(data, &rawColors); err != nil {
-		log.Fatal(err)
-	}
-
-	for k, v := range rawColors {
-		colors[strings.ToLower(k)] = v.Color
-	}
-
-	// TODO: Read keys from env, so that users are not logged out every time the server is restarted
-	secureCookie := securecookie.New(
-		securecookie.GenerateRandomKey(64),
-		securecookie.GenerateRandomKey(32),
-	)
-
-	return &Config{
-		Env:             env,
-		Version:         version,
-		Port:            port,
-		Addr:            addr,
-		BasePath:        basePath,
-		DbHost:          dbHost,
-		DbPort:          uint(dbPort),
-		DbUser:          dbUser,
-		DbPassword:      dbPassword,
-		DbName:          dbName,
-		DbDialect:       dbType,
-		DbMaxConn:       dbMaxConn,
-		CleanUp:         cleanUp,
-		InsecureCookies: insecureCookies,
-		SecureCookie:    secureCookie,
-		PasswordSalt:    passwordSalt,
-		CustomLanguages: customLangs,
-		LanguageColors:  colors,
-	}
-}
--- a/models/filters.go
+++ b/models/filters.go
@ -0,0 +1,67 @@
+package models
+
+type Filters struct {
+	Project  string
+	OS       string
+	Language string
+	Editor   string
+	Machine  string
+}
+
+type FilterElement struct {
+	Type uint8
+	Key  string
+}
+
+func NewFiltersWith(entity uint8, key string) *Filters {
+	switch entity {
+	case SummaryProject:
+		return &Filters{Project: key}
+	case SummaryOS:
+		return &Filters{Project: key}
+	case SummaryLanguage:
+		return &Filters{Project: key}
+	case SummaryEditor:
+		return &Filters{Project: key}
+	case SummaryMachine:
+		return &Filters{Project: key}
+	}
+	return &Filters{}
+}
+
+func (f *Filters) First() (bool, uint8, string) {
+	if f.Project != "" {
+		return true, SummaryProject, f.Project
+	} else if f.OS != "" {
+		return true, SummaryOS, f.OS
+	} else if f.Language != "" {
+		return true, SummaryLanguage, f.Language
+	} else if f.Editor != "" {
+		return true, SummaryEditor, f.Editor
+	} else if f.Machine != "" {
+		return true, SummaryMachine, f.Machine
+	}
+	return false, 0, ""
+}
+
+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
@ -5,8 +5,6 @@ import (
 	"time"
 )

-type CustomTime time.Time
-
 type Heartbeat struct {
 	ID              uint       `gorm:"primary_key"`
 	User            *User      `json:"-" gorm:"not null"`
@ -29,19 +27,17 @@ func (h *Heartbeat) Valid() bool {
 	return h.User != nil && h.UserID != "" && h.Time != CustomTime(time.Time{})
 }

-func (h *Heartbeat) Augment(customLangs map[string]string) {
-	if h.Language == "" {
-		if h.languageRegex == nil {
-			h.languageRegex = regexp.MustCompile(`^.+\.(.+)$`)
-		}
-		groups := h.languageRegex.FindAllStringSubmatch(h.Entity, -1)
-		if len(groups) == 0 || len(groups[0]) != 2 {
-			return
-		}
-		ending := groups[0][1]
-		if _, ok := customLangs[ending]; !ok {
-			return
-		}
-		h.Language, _ = customLangs[ending]
+func (h *Heartbeat) Augment(languageMappings map[string]string) {
+	if h.languageRegex == nil {
+		h.languageRegex = regexp.MustCompile(`^.+\.(.+)$`)
 	}
+	groups := h.languageRegex.FindAllStringSubmatch(h.Entity, -1)
+	if len(groups) == 0 || len(groups[0]) != 2 {
+		return
+	}
+	ending := groups[0][1]
+	if _, ok := languageMappings[ending]; !ok {
+		return
+	}
+	h.Language, _ = languageMappings[ending]
 }
--- a/models/language_mapping.go
+++ b/models/language_mapping.go
@ -0,0 +1,17 @@
+package models
+
+type LanguageMapping struct {
+	ID        uint   `json:"id" gorm:"primary_key"`
+	User      *User  `json:"-" gorm:"not null"`
+	UserID    string `json:"-" gorm:"not null; index:idx_language_mapping_user; uniqueIndex:idx_language_mapping_composite"`
+	Extension string `json:"extension" gorm:"uniqueIndex:idx_language_mapping_composite"`
+	Language  string `json:"language"`
+}
+
+func validateLanguage(language string) bool {
+	return len(language) >= 1
+}
+
+func validateExtension(extension string) bool {
+	return len(extension) >= 1
+}
--- a/models/models.go
+++ b/models/models.go
@ -1,5 +1,5 @@
 package models

 func init() {
-	SetConfig(readConfig())
+	// nothing no init here, yet
 }
--- a/models/shared.go
+++ b/models/shared.go
@ -4,7 +4,8 @@ import (
 	"database/sql/driver"
 	"errors"
 	"fmt"
-	"github.com/jinzhu/gorm"
+	"gorm.io/gorm"
+	"math"
 	"strconv"
 	"strings"
 	"time"
@ -23,46 +24,58 @@ type KeyStringValue struct {
 	Value string `gorm:"type:text"`
 }

+type CustomTime time.Time
+
 func (j *CustomTime) UnmarshalJSON(b []byte) error {
-	s := strings.Split(strings.Trim(string(b), "\""), ".")[0]
+	s := strings.Replace(strings.Trim(string(b), "\""), ".", "", 1)
 	i, err := strconv.ParseInt(s, 10, 64)
 	if err != nil {
 		return err
 	}
-	t := time.Unix(i, 0)
+	t := time.Unix(0, i*int64(math.Pow10(19-len(s))))
 	*j = CustomTime(t)
 	return nil
 }

+// heartbeat timestamps arrive as strings for sqlite and as time.Time for postgres
 func (j *CustomTime) Scan(value interface{}) error {
+	var (
+		t   time.Time
+		err error
+	)
+
 	switch value.(type) {
 	case string:
-		t, err := time.Parse("2006-01-02 15:04:05-07:00", value.(string))
+		t, err = time.Parse("2006-01-02 15:04:05-07:00", value.(string))
 		if err != nil {
 			return errors.New(fmt.Sprintf("unsupported date time format: %s", value))
 		}
-		*j = CustomTime(t)
 	case int64:
-		*j = CustomTime(time.Unix(value.(int64), 0))
+		t = time.Unix(0, value.(int64))
 		break
 	case time.Time:
-		*j = CustomTime(value.(time.Time))
+		t = value.(time.Time)
 		break
 	default:
 		return errors.New(fmt.Sprintf("unsupported type: %T", value))
 	}
+
+	t = time.Unix(0, (t.UnixNano()/int64(time.Millisecond))*int64(time.Millisecond)) // round to millisecond precision
+	*j = CustomTime(t)
+
 	return nil
 }

 func (j CustomTime) Value() (driver.Value, error) {
-	return time.Time(j), nil
+	t := time.Unix(0, j.T().UnixNano()/int64(time.Millisecond)*int64(time.Millisecond)) // round to millisecond precision
+	return t, nil
 }

 func (j CustomTime) String() string {
 	t := time.Time(j)
-	return t.Format("2006-01-02 15:04:05")
+	return t.Format("2006-01-02 15:04:05.000")
 }

-func (j CustomTime) Time() time.Time {
+func (j CustomTime) T() time.Time {
 	return time.Time(j)
 }
--- a/models/summary.go
+++ b/models/summary.go
@ -5,26 +5,50 @@ import (
 )

 const (
-	NSummaryTypes   uint8 = 4
+	NSummaryTypes   uint8 = 99
 	SummaryProject  uint8 = 0
 	SummaryLanguage uint8 = 1
 	SummaryEditor   uint8 = 2
 	SummaryOS       uint8 = 3
+	SummaryMachine  uint8 = 4
 )

+const (
+	IntervalToday        string = "today"
+	IntervalYesterday    string = "day"
+	IntervalThisWeek     string = "week"
+	IntervalThisMonth    string = "month"
+	IntervalThisYear     string = "year"
+	IntervalPast7Days    string = "7_days"
+	IntervalPast30Days   string = "30_days"
+	IntervalPast12Months string = "12_months"
+	IntervalAny          string = "any"
+)
+
+func Intervals() []string {
+	return []string{
+		IntervalToday, IntervalYesterday, IntervalThisWeek, IntervalThisMonth, IntervalThisYear, IntervalPast7Days, IntervalPast30Days, IntervalPast12Months, IntervalAny,
+	}
+}
+
+const UnknownSummaryKey = "unknown"
+
 type Summary struct {
 	ID               uint           `json:"-" gorm:"primary_key"`
+	User             *User          `json:"-" gorm:"not null"`
 	UserID           string         `json:"user_id" gorm:"not null; index:idx_time_summary_user"`
-	FromTime         time.Time      `json:"from" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
-	ToTime           time.Time      `json:"to" gorm:"not null; type:timestamp; default:CURRENT_TIMESTAMP; index:idx_time_summary_user"`
+	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"`
 	Languages        []*SummaryItem `json:"languages"`
 	Editors          []*SummaryItem `json:"editors"`
 	OperatingSystems []*SummaryItem `json:"operating_systems"`
+	Machines         []*SummaryItem `json:"machines"`
 }

 type SummaryItem struct {
 	ID        uint          `json:"-" gorm:"primary_key"`
+	Summary   *Summary      `json:"-" gorm:"not null"`
 	SummaryID uint          `json:"-"`
 	Type      uint8         `json:"-"`
 	Key       string        `json:"key"`
@ -43,3 +67,114 @@ type SummaryViewModel struct {
 	Success        string
 	ApiKey         string
 }
+
+type SummaryParams struct {
+	From      time.Time
+	To        time.Time
+	User      *User
+	Recompute bool
+}
+
+func SummaryTypes() []uint8 {
+	return []uint8{SummaryProject, SummaryLanguage, SummaryEditor, SummaryOS, SummaryMachine}
+}
+
+func (s *Summary) Types() []uint8 {
+	return SummaryTypes()
+}
+
+func (s *Summary) MappedItems() map[uint8]*[]*SummaryItem {
+	return map[uint8]*[]*SummaryItem{
+		SummaryProject:  &s.Projects,
+		SummaryLanguage: &s.Languages,
+		SummaryEditor:   &s.Editors,
+		SummaryOS:       &s.OperatingSystems,
+		SummaryMachine:  &s.Machines,
+	}
+}
+
+/* Augments the summary in a way that at least one item is present for every type.
+If a summary has zero items for a given type, but one or more for any of the other types,
+the total summary duration can be derived from those and inserted as a dummy-item with key "unknown"
+for the missing type.
+For instance, the machine type was introduced post hoc. Accordingly, no "machine"-information is present in
+the data for old heartbeats and summaries. If a user has two years of data without machine information and
+one day with such, a "machine"-chart plotted from that data will reference a way smaller absolute total amount
+of time than the other ones.
+To avoid having to modify persisted data retrospectively, i.e. inserting a dummy SummaryItem for the new type,
+such is generated dynamically here, considering the "machine" for all old heartbeats "unknown".
+*/
+func (s *Summary) FillUnknown() {
+	types := s.Types()
+	typeItems := s.MappedItems()
+	missingTypes := make([]uint8, 0)
+
+	for _, t := range types {
+		if len(*typeItems[t]) == 0 {
+			missingTypes = append(missingTypes, t)
+		}
+	}
+
+	// can't proceed if entire summary is empty
+	if len(missingTypes) == len(types) {
+		return
+	}
+
+	timeSum := s.TotalTime()
+
+	// construct dummy item for all missing types
+	for _, t := range missingTypes {
+		*typeItems[t] = append(*typeItems[t], &SummaryItem{
+			Type:  t,
+			Key:   UnknownSummaryKey,
+			Total: timeSum,
+		})
+	}
+}
+
+func (s *Summary) TotalTime() time.Duration {
+	var timeSum time.Duration
+
+	mappedItems := s.MappedItems()
+	// calculate total duration from any of the present sets of items
+	for _, t := range s.Types() {
+		if items := mappedItems[t]; len(*items) > 0 {
+			for _, item := range *items {
+				timeSum += item.Total
+			}
+			break
+		}
+	}
+
+	return timeSum * time.Second
+}
+
+func (s *Summary) TotalTimeBy(entityType uint8) (timeSum time.Duration) {
+	mappedItems := s.MappedItems()
+	if items := mappedItems[entityType]; len(*items) > 0 {
+		for _, item := range *items {
+			timeSum = timeSum + item.Total*time.Second
+		}
+	}
+	return timeSum
+}
+
+func (s *Summary) TotalTimeByKey(entityType uint8, key string) (timeSum time.Duration) {
+	mappedItems := s.MappedItems()
+	if items := mappedItems[entityType]; len(*items) > 0 {
+		for _, item := range *items {
+			if item.Key != key {
+				continue
+			}
+			timeSum = timeSum + item.Total*time.Second
+		}
+	}
+	return timeSum
+}
+
+func (s *Summary) TotalTimeByFilters(filter *Filters) (timeSum time.Duration) {
+	for _, f := range filter.All() {
+		timeSum += s.TotalTimeByKey(f.Type, f.Key)
+	}
+	return timeSum
+}
--- a/models/user.go
+++ b/models/user.go
@ -6,6 +6,7 @@ type User struct {
 	Password       string     `json:"-"`
 	CreatedAt      CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP"`
 	LastLoggedInAt CustomTime `gorm:"type:timestamp; default:CURRENT_TIMESTAMP"`
+	BadgesEnabled  bool       `json:"-" gorm:"default:false; type:bool"`
 }

 type Login struct {
@ -37,7 +38,7 @@ func (s *Signup) IsValid() bool {
 }

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

 func validatePassword(password string) bool {
--- a/repositories/alias.go
+++ b/repositories/alias.go
@ -0,0 +1,24 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type AliasRepository struct {
+	db *gorm.DB
+}
+
+func NewAliasRepository(db *gorm.DB) *AliasRepository {
+	return &AliasRepository{db: db}
+}
+
+func (r *AliasRepository) GetByUser(userId string) ([]*models.Alias, error) {
+	var aliases []*models.Alias
+	if err := r.db.
+		Where(&models.Alias{UserID: userId}).
+		Find(&aliases).Error; err != nil {
+		return nil, err
+	}
+	return aliases, nil
+}
--- a/repositories/heartbeart.go
+++ b/repositories/heartbeart.go
@ -0,0 +1,58 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+	"time"
+)
+
+type HeartbeatRepository struct {
+	db *gorm.DB
+}
+
+func NewHeartbeatRepository(db *gorm.DB) *HeartbeatRepository {
+	return &HeartbeatRepository{db: db}
+}
+
+func (r *HeartbeatRepository) InsertBatch(heartbeats []*models.Heartbeat) error {
+	if err := r.db.Create(&heartbeats).Error; err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *HeartbeatRepository) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
+	var heartbeats []*models.Heartbeat
+	if err := r.db.
+		Where(&models.Heartbeat{UserID: user.ID}).
+		Where("time >= ?", from).
+		Where("time < ?", to).
+		Order("time asc").
+		Find(&heartbeats).Error; err != nil {
+		return nil, err
+	}
+	return heartbeats, nil
+}
+
+// Will return *models.Heartbeat object with only user_id and time fields filled
+func (r *HeartbeatRepository) GetFirstByUsers(userIds []string) ([]*models.Heartbeat, error) {
+	var heartbeats []*models.Heartbeat
+	if err := r.db.
+		Table("heartbeats").
+		Select("user_id, min(time) as time").
+		Where("user_id IN (?)", userIds).
+		Group("user_id").
+		Scan(&heartbeats).Error; err != nil {
+		return nil, err
+	}
+	return heartbeats, nil
+}
+
+func (r *HeartbeatRepository) DeleteBefore(t time.Time) error {
+	if err := r.db.
+		Where("time <= ?", t).
+		Delete(models.Heartbeat{}).Error; err != nil {
+		return err
+	}
+	return nil
+}
--- a/repositories/key_value.go
+++ b/repositories/key_value.go
@ -0,0 +1,58 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type KeyValueRepository struct {
+	db *gorm.DB
+}
+
+func NewKeyValueRepository(db *gorm.DB) *KeyValueRepository {
+	return &KeyValueRepository{db: db}
+}
+
+func (r *KeyValueRepository) GetString(key string) (*models.KeyStringValue, error) {
+	kv := &models.KeyStringValue{}
+	if err := r.db.
+		Where(&models.KeyStringValue{Key: key}).
+		First(&kv).Error; err != nil {
+		return nil, err
+	}
+
+	return kv, nil
+}
+
+func (r *KeyValueRepository) PutString(kv *models.KeyStringValue) error {
+	result := r.db.
+		Where(&models.KeyStringValue{Key: kv.Key}).
+		Assign(kv).
+		FirstOrCreate(kv)
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		return errors.New("nothing updated")
+	}
+
+	return nil
+}
+
+func (r *KeyValueRepository) DeleteString(key string) error {
+	result := r.db.
+		Delete(&models.KeyStringValue{}, &models.KeyStringValue{Key: key})
+
+	if err := result.Error; err != nil {
+		return err
+	}
+
+	if result.RowsAffected != 1 {
+		return errors.New("nothing deleted")
+	}
+
+	return nil
+}
--- a/repositories/language_mapping.go
+++ b/repositories/language_mapping.go
@ -0,0 +1,48 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type LanguageMappingRepository struct {
+	config *config.Config
+	db     *gorm.DB
+}
+
+func NewLanguageMappingRepository(db *gorm.DB) *LanguageMappingRepository {
+	return &LanguageMappingRepository{config: config.Get(), db: db}
+}
+
+func (r *LanguageMappingRepository) GetById(id uint) (*models.LanguageMapping, error) {
+	mapping := &models.LanguageMapping{}
+	if err := r.db.Where(&models.LanguageMapping{ID: id}).First(mapping).Error; err != nil {
+		return mapping, err
+	}
+	return mapping, nil
+}
+
+func (r *LanguageMappingRepository) GetByUser(userId string) ([]*models.LanguageMapping, error) {
+	var mappings []*models.LanguageMapping
+	if err := r.db.
+		Where(&models.LanguageMapping{UserID: userId}).
+		Find(&mappings).Error; err != nil {
+		return mappings, err
+	}
+	return mappings, nil
+}
+
+func (r *LanguageMappingRepository) Insert(mapping *models.LanguageMapping) (*models.LanguageMapping, error) {
+	result := r.db.Create(mapping)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+	return mapping, nil
+}
+
+func (r *LanguageMappingRepository) Delete(id uint) error {
+	return r.db.
+		Where("id = ?", id).
+		Delete(models.LanguageMapping{}).Error
+}
--- a/repositories/summary.go
+++ b/repositories/summary.go
@ -0,0 +1,53 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+	"time"
+)
+
+type SummaryRepository struct {
+	db *gorm.DB
+}
+
+func NewSummaryRepository(db *gorm.DB) *SummaryRepository {
+	return &SummaryRepository{db: db}
+}
+
+func (r *SummaryRepository) Insert(summary *models.Summary) error {
+	if err := r.db.Create(summary).Error; err != nil {
+		return err
+	}
+	return nil
+}
+
+func (r *SummaryRepository) GetByUserWithin(user *models.User, from, to time.Time) ([]*models.Summary, error) {
+	var summaries []*models.Summary
+	if err := r.db.
+		Where(&models.Summary{UserID: user.ID}).
+		Where("from_time >= ?", from).
+		Where("to_time <= ?", to).
+		Order("from_time asc").
+		Preload("Projects", "type = ?", models.SummaryProject).
+		Preload("Languages", "type = ?", models.SummaryLanguage).
+		Preload("Editors", "type = ?", models.SummaryEditor).
+		Preload("OperatingSystems", "type = ?", models.SummaryOS).
+		Preload("Machines", "type = ?", models.SummaryMachine).
+		Find(&summaries).Error; err != nil {
+		return nil, err
+	}
+	return summaries, nil
+}
+
+// Will return *models.Index objects with only user_id and to_time filled
+func (r *SummaryRepository) GetLatestByUser() ([]*models.Summary, error) {
+	var summaries []*models.Summary
+	if err := r.db.
+		Table("summaries").
+		Select("user_id, max(to_time) as to_time").
+		Group("user_id").
+		Scan(&summaries).Error; err != nil {
+		return nil, err
+	}
+	return summaries, nil
+}
--- a/repositories/user.go
+++ b/repositories/user.go
@ -0,0 +1,80 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type UserRepository struct {
+	db *gorm.DB
+}
+
+func NewUserRepository(db *gorm.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+func (r *UserRepository) GetById(userId string) (*models.User, error) {
+	u := &models.User{}
+	if err := r.db.Where(&models.User{ID: userId}).First(u).Error; err != nil {
+		return u, err
+	}
+	return u, nil
+}
+
+func (r *UserRepository) GetByApiKey(key string) (*models.User, error) {
+	u := &models.User{}
+	if err := r.db.Where(&models.User{ApiKey: key}).First(u).Error; err != nil {
+		return u, err
+	}
+	return u, nil
+}
+
+func (r *UserRepository) GetAll() ([]*models.User, error) {
+	var users []*models.User
+	if err := r.db.
+		Table("users").
+		Find(&users).Error; err != nil {
+		return nil, err
+	}
+	return users, nil
+}
+
+func (r *UserRepository) InsertOrGet(user *models.User) (*models.User, bool, error) {
+	result := r.db.FirstOrCreate(user, &models.User{ID: user.ID})
+	if err := result.Error; err != nil {
+		return nil, false, err
+	}
+
+	if result.RowsAffected == 1 {
+		return user, true, nil
+	}
+
+	return user, false, nil
+}
+
+func (r *UserRepository) Update(user *models.User) (*models.User, error) {
+	result := r.db.Model(&models.User{}).Updates(user)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+
+	if result.RowsAffected != 1 {
+		return nil, errors.New("nothing updated")
+	}
+
+	return user, nil
+}
+
+func (r *UserRepository) UpdateField(user *models.User, key string, value interface{}) (*models.User, error) {
+	result := r.db.Model(user).Update(key, value)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+
+	if result.RowsAffected != 1 {
+		return nil, errors.New("nothing updated")
+	}
+
+	return user, nil
+}
--- a/routes/compat/shields/v1/badge.go
+++ b/routes/compat/shields/v1/badge.go
@ -0,0 +1,108 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	config2 "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/shields/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"regexp"
+	"strings"
+)
+
+const (
+	intervalPattern     = `interval:([a-z0-9_]+)`
+	entityFilterPattern = `(project|os|editor|language|machine):([_a-zA-Z0-9-]+)`
+)
+
+type BadgeHandler struct {
+	userSrvc    *services.UserService
+	summarySrvc *services.SummaryService
+	aliasSrvc   *services.AliasService
+	config      *config2.Config
+}
+
+func NewBadgeHandler(summaryService *services.SummaryService, userService *services.UserService) *BadgeHandler {
+	return &BadgeHandler{
+		summarySrvc: summaryService,
+		userSrvc:    userService,
+		config:      config2.Get(),
+	}
+}
+
+func (h *BadgeHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
+	intervalReg := regexp.MustCompile(intervalPattern)
+	entityFilterReg := regexp.MustCompile(entityFilterPattern)
+
+	if userAgent := r.Header.Get("user-agent"); !strings.HasPrefix(userAgent, "Shields.io/") && !h.config.IsDev() {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	requestedUserId := mux.Vars(r)["user"]
+	user, err := h.userSrvc.GetUserById(requestedUserId)
+	if err != nil || !user.BadgesEnabled {
+		w.WriteHeader(http.StatusUnauthorized)
+		return
+	}
+
+	var filterEntity, filterKey string
+	if groups := entityFilterReg.FindStringSubmatch(r.URL.Path); len(groups) > 2 {
+		filterEntity, filterKey = groups[1], groups[2]
+	}
+
+	var interval = models.IntervalPast30Days
+	if groups := intervalReg.FindStringSubmatch(r.URL.Path); len(groups) > 1 {
+		interval = groups[1]
+	}
+
+	var filters *models.Filters
+	switch filterEntity {
+	case "project":
+		filters = models.NewFiltersWith(models.SummaryProject, filterKey)
+	case "os":
+		filters = models.NewFiltersWith(models.SummaryOS, filterKey)
+	case "editor":
+		filters = models.NewFiltersWith(models.SummaryEditor, filterKey)
+	case "language":
+		filters = models.NewFiltersWith(models.SummaryLanguage, filterKey)
+	case "machine":
+		filters = models.NewFiltersWith(models.SummaryMachine, filterKey)
+	default:
+		filters = &models.Filters{}
+	}
+
+	summary, err, status := h.loadUserSummary(user, interval)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	vm := v1.NewBadgeDataFrom(summary, filters)
+	utils.RespondJSON(w, http.StatusOK, vm)
+}
+
+func (h *BadgeHandler) loadUserSummary(user *models.User, interval string) (*models.Summary, error, int) {
+	err, from, to := utils.ResolveInterval(interval)
+	if err != nil {
+		return nil, err, http.StatusBadRequest
+	}
+
+	summaryParams := &models.SummaryParams{
+		From: from,
+		To:   to,
+		User: user,
+	}
+
+	summary, err := h.summarySrvc.PostProcessWrapped(
+		h.summarySrvc.Construct(summaryParams.From, summaryParams.To, summaryParams.User, summaryParams.Recompute),
+	)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}
--- a/routes/compat/wakatime/v1/all_time.go
+++ b/routes/compat/wakatime/v1/all_time.go
@ -0,0 +1,66 @@
+package v1
+
+import (
+	"github.com/gorilla/mux"
+	config2 "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"net/url"
+	"time"
+)
+
+type AllTimeHandler struct {
+	summarySrvc *services.SummaryService
+	config      *config2.Config
+}
+
+func NewAllTimeHandler(summaryService *services.SummaryService) *AllTimeHandler {
+	return &AllTimeHandler{
+		summarySrvc: summaryService,
+		config:      config2.Get(),
+	}
+}
+
+func (h *AllTimeHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	values, _ := url.ParseQuery(r.URL.RawQuery)
+
+	requestedUser := vars["user"]
+	authorizedUser := r.Context().Value(models.UserKey).(*models.User)
+
+	if requestedUser != authorizedUser.ID && requestedUser != "current" {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	summary, err, status := h.loadUserSummary(authorizedUser)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	vm := v1.NewAllTimeFrom(summary, models.NewFiltersWith(models.SummaryProject, values.Get("project")))
+	utils.RespondJSON(w, http.StatusOK, vm)
+}
+
+func (h *AllTimeHandler) loadUserSummary(user *models.User) (*models.Summary, error, int) {
+	summaryParams := &models.SummaryParams{
+		From:      time.Time{},
+		To:        time.Now(),
+		User:      user,
+		Recompute: false,
+	}
+
+	summary, err := h.summarySrvc.PostProcessWrapped(
+		h.summarySrvc.Construct(summaryParams.From, summaryParams.To, summaryParams.User, summaryParams.Recompute), // 'to' is always constant
+	)
+	if err != nil {
+		return nil, err, http.StatusInternalServerError
+	}
+
+	return summary, nil, http.StatusOK
+}
--- a/routes/compat/wakatime/v1/summaries.go
+++ b/routes/compat/wakatime/v1/summaries.go
@ -0,0 +1,99 @@
+package v1
+
+import (
+	"errors"
+	"github.com/gorilla/mux"
+	config2 "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	v1 "github.com/muety/wakapi/models/compat/wakatime/v1"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+	"strings"
+	"time"
+)
+
+type SummariesHandler struct {
+	summarySrvc *services.SummaryService
+	config      *config2.Config
+}
+
+func NewSummariesHandler(summaryService *services.SummaryService) *SummariesHandler {
+	return &SummariesHandler{
+		summarySrvc: summaryService,
+		config:      config2.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) ApiGet(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	requestedUser := vars["user"]
+	authorizedUser := r.Context().Value(models.UserKey).(*models.User)
+
+	if requestedUser != authorizedUser.ID && requestedUser != "current" {
+		w.WriteHeader(http.StatusForbidden)
+		return
+	}
+
+	summaries, err, status := h.loadUserSummaries(r)
+	if err != nil {
+		w.WriteHeader(status)
+		w.Write([]byte(err.Error()))
+		return
+	}
+
+	vm := v1.NewSummariesFrom(summaries, &models.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()
+
+	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()
+	} else {
+		var err error
+
+		start, err = time.Parse(time.RFC3339, strings.Replace(startKey, " ", "+", 1))
+		if err != nil {
+			return nil, errors.New("missing required 'start' parameter"), http.StatusBadRequest
+		}
+
+		end, err = time.Parse(time.RFC3339, strings.Replace(endKey, " ", "+", 1))
+		if err != nil {
+			return nil, errors.New("missing required 'end' parameter"), http.StatusBadRequest
+		}
+	}
+
+	overallParams := &models.SummaryParams{
+		From:      start,
+		To:        end,
+		User:      user,
+		Recompute: false,
+	}
+
+	intervals := utils.SplitRangeByDays(overallParams.From, overallParams.To)
+	summaries := make([]*models.Summary, len(intervals))
+
+	for i, interval := range intervals {
+		summary, err := h.summarySrvc.PostProcessWrapped(
+			h.summarySrvc.Construct(interval[0], interval[1], user, false), // 'to' is always constant
+		)
+		if err != nil {
+			return nil, err, http.StatusInternalServerError
+		}
+		summaries[i] = summary
+	}
+
+	return summaries, nil, http.StatusOK
+}
--- a/routes/health.go
+++ b/routes/health.go
@ -2,7 +2,7 @@ package routes

 import (
 	"fmt"
-	"github.com/jinzhu/gorm"
+	"gorm.io/gorm"
 	"net/http"
 )

@ -16,8 +16,10 @@ func NewHealthHandler(db *gorm.DB) *HealthHandler {

 func (h *HealthHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
 	var dbStatus int
-	if err := h.db.DB().Ping(); err == nil {
-		dbStatus = 1
+	if sqlDb, err := h.db.DB(); err == nil {
+		if err := sqlDb.Ping(); err == nil {
+			dbStatus = 1
+		}
 	}

 	w.Header().Set("Content-Type", "text/plain")
--- a/routes/heartbeat.go
+++ b/routes/heartbeat.go
@ -2,6 +2,7 @@ package routes

 import (
 	"encoding/json"
+	conf "github.com/muety/wakapi/config"
 	"net/http"
 	"os"

@ -12,14 +13,16 @@ import (
 )

 type HeartbeatHandler struct {
-	config        *models.Config
-	heartbeatSrvc *services.HeartbeatService
+	config              *conf.Config
+	heartbeatSrvc       *services.HeartbeatService
+	languageMappingSrvc *services.LanguageMappingService
 }

-func NewHeartbeatHandler(heartbeatService *services.HeartbeatService) *HeartbeatHandler {
+func NewHeartbeatHandler(heartbeatService *services.HeartbeatService, languageMappingService *services.LanguageMappingService) *HeartbeatHandler {
 	return &HeartbeatHandler{
-		config:        models.GetConfig(),
-		heartbeatSrvc: heartbeatService,
+		config:              conf.Get(),
+		heartbeatSrvc:       heartbeatService,
+		languageMappingSrvc: languageMappingService,
 	}
 }

@ -40,13 +43,19 @@ func (h *HeartbeatHandler) ApiPost(w http.ResponseWriter, r *http.Request) {
 		return
 	}

+	/*languageMappings, err := h.languageMappingSrvc.ResolveByUser(user.ID)
+	if err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(err.Error()))
+		return
+	}*/
+
 	for _, hb := range heartbeats {
 		hb.OperatingSystem = opSys
 		hb.Editor = editor
 		hb.Machine = machineName
 		hb.User = user
 		hb.UserID = user.ID
-		hb.Augment(h.config.CustomLanguages)

 		if !hb.Valid() {
 			w.WriteHeader(http.StatusBadRequest)
--- a/routes/public.go
+++ b/routes/public.go
@ -3,6 +3,7 @@ package routes
 import (
 	"fmt"
 	"github.com/gorilla/schema"
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/middlewares"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
@ -13,7 +14,7 @@ import (
 )

 type IndexHandler struct {
-	config       *models.Config
+	config       *conf.Config
 	userSrvc     *services.UserService
 	keyValueSrvc *services.KeyValueService
 }
@ -23,7 +24,7 @@ var signupDecoder = schema.NewDecoder()

 func NewIndexHandler(userService *services.UserService, keyValueService *services.KeyValueService) *IndexHandler {
 	return &IndexHandler{
-		config:       models.GetConfig(),
+		config:       conf.Get(),
 		userSrvc:     userService,
 		keyValueSrvc: keyValueService,
 	}
@ -35,7 +36,7 @@ func (h *IndexHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	}

 	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
 		return
 	}

@ -43,7 +44,7 @@ func (h *IndexHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	templates["index.tpl.html"].Execute(w, nil)
+	templates[conf.IndexTemplate].Execute(w, nil)
 }

 func (h *IndexHandler) GetImprint(w http.ResponseWriter, r *http.Request) {
@ -56,7 +57,7 @@ func (h *IndexHandler) GetImprint(w http.ResponseWriter, r *http.Request) {
 		text = data.Value
 	}

-	templates["imprint.tpl.html"].Execute(w, &struct {
+	templates[conf.ImprintTemplate].Execute(w, &struct {
 		HtmlText string
 	}{HtmlText: text})
 }
@ -67,7 +68,7 @@ func (h *IndexHandler) PostLogin(w http.ResponseWriter, r *http.Request) {
 	}

 	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
 		return
 	}

@ -88,12 +89,12 @@ func (h *IndexHandler) PostLogin(w http.ResponseWriter, r *http.Request) {
 	}

 	// TODO: depending on middleware package here is a hack
-	if !middlewares.CheckAndMigratePassword(user, &login, h.config.PasswordSalt, h.userSrvc) {
+	if !middlewares.CheckAndMigratePassword(user, &login, h.config.Security.PasswordSalt, h.userSrvc) {
 		respondAlert(w, "invalid credentials", "", "", http.StatusUnauthorized)
 		return
 	}

-	encoded, err := h.config.SecureCookie.Encode(models.AuthCookieKey, login)
+	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login)
 	if err != nil {
 		respondAlert(w, "internal server error", "", "", http.StatusInternalServerError)
 		return
@ -106,11 +107,11 @@ func (h *IndexHandler) PostLogin(w http.ResponseWriter, r *http.Request) {
 		Name:     models.AuthCookieKey,
 		Value:    encoded,
 		Path:     "/",
-		Secure:   !h.config.InsecureCookies,
+		Secure:   !h.config.Security.InsecureCookies,
 		HttpOnly: true,
 	}
 	http.SetCookie(w, cookie)
-	http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
+	http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
 }

 func (h *IndexHandler) PostLogout(w http.ResponseWriter, r *http.Request) {
@ -118,8 +119,8 @@ func (h *IndexHandler) PostLogout(w http.ResponseWriter, r *http.Request) {
 		loadTemplates()
 	}

-	utils.ClearCookie(w, models.AuthCookieKey, !h.config.InsecureCookies)
-	http.Redirect(w, r, fmt.Sprintf("%s/", h.config.BasePath), http.StatusFound)
+	utils.ClearCookie(w, models.AuthCookieKey, !h.config.Security.InsecureCookies)
+	http.Redirect(w, r, fmt.Sprintf("%s/", h.config.Server.BasePath), http.StatusFound)
 }

 func (h *IndexHandler) GetSignup(w http.ResponseWriter, r *http.Request) {
@ -128,15 +129,15 @@ func (h *IndexHandler) GetSignup(w http.ResponseWriter, r *http.Request) {
 	}

 	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
+		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.Server.BasePath), http.StatusFound)
 		return
 	}

-	if handleAlerts(w, r, "signup.tpl.html") {
+	if handleAlerts(w, r, conf.SignupTemplate) {
 		return
 	}

-	templates["signup.tpl.html"].Execute(w, nil)
+	templates[conf.SignupTemplate].Execute(w, nil)
 }

 func (h *IndexHandler) PostSignup(w http.ResponseWriter, r *http.Request) {
@ -145,35 +146,35 @@ func (h *IndexHandler) PostSignup(w http.ResponseWriter, r *http.Request) {
 	}

 	if cookie, err := r.Cookie(models.AuthCookieKey); err == nil && cookie.Value != "" {
-		http.Redirect(w, r, fmt.Sprintf("%s/summary", h.config.BasePath), http.StatusFound)
+		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 {
-		respondAlert(w, "missing parameters", "", "signup.tpl.html", http.StatusBadRequest)
+		respondAlert(w, "missing parameters", "", conf.SignupTemplate, http.StatusBadRequest)
 		return
 	}
 	if err := signupDecoder.Decode(&signup, r.PostForm); err != nil {
-		respondAlert(w, "missing parameters", "", "signup.tpl.html", http.StatusBadRequest)
+		respondAlert(w, "missing parameters", "", conf.SignupTemplate, http.StatusBadRequest)
 		return
 	}

 	if !signup.IsValid() {
-		respondAlert(w, "invalid parameters", "", "signup.tpl.html", http.StatusBadRequest)
+		respondAlert(w, "invalid parameters", "", conf.SignupTemplate, http.StatusBadRequest)
 		return
 	}

 	_, created, err := h.userSrvc.CreateOrGet(&signup)
 	if err != nil {
-		respondAlert(w, "failed to create new user", "", "signup.tpl.html", http.StatusInternalServerError)
+		respondAlert(w, "failed to create new user", "", conf.SignupTemplate, http.StatusInternalServerError)
 		return
 	}
 	if !created {
-		respondAlert(w, "user already existing", "", "signup.tpl.html", http.StatusConflict)
+		respondAlert(w, "user already existing", "", conf.SignupTemplate, http.StatusConflict)
 		return
 	}

 	msg := url.QueryEscape("account created successfully")
-	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.BasePath, msg), http.StatusFound)
+	http.Redirect(w, r, fmt.Sprintf("%s/?success=%s", h.config.Server.BasePath, msg), http.StatusFound)
 }
--- a/routes/routes.go
+++ b/routes/routes.go
@ -2,7 +2,7 @@ package routes

 import (
 	"fmt"
-	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/utils"
 	"html/template"
 	"io/ioutil"
@ -25,10 +25,13 @@ func loadTemplates() {
 		"title":      strings.Title,
 		"capitalize": utils.Capitalize,
 		"getBasePath": func() string {
-			return models.GetConfig().BasePath
+			return config.Get().Server.BasePath
 		},
 		"getVersion": func() string {
-			return models.GetConfig().Version
+			return config.Get().Version
+		},
+		"getDbType": func() string {
+			return strings.ToLower(config.Get().Db.Dialect)
 		},
 		"htmlSafe": func(html string) template.HTML {
 			return template.HTML(html)
@ -59,7 +62,7 @@ func loadTemplates() {
 func respondAlert(w http.ResponseWriter, error, success, tplName string, status int) {
 	w.WriteHeader(status)
 	if tplName == "" {
-		tplName = "index.tpl.html"
+		tplName = config.IndexTemplate
 	}
 	templates[tplName].Execute(w, struct {
 		Error   string
--- a/routes/settings.go
+++ b/routes/settings.go
@ -3,24 +3,28 @@ package routes
 import (
 	"fmt"
 	"github.com/gorilla/schema"
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
 	"github.com/muety/wakapi/utils"
 	"net/http"
 	"net/url"
+	"strconv"
 )

 type SettingsHandler struct {
-	config   *models.Config
-	userSrvc *services.UserService
+	config              *conf.Config
+	userSrvc            *services.UserService
+	languageMappingSrvc *services.LanguageMappingService
 }

 var credentialsDecoder = schema.NewDecoder()

-func NewSettingsHandler(userService *services.UserService) *SettingsHandler {
+func NewSettingsHandler(userService *services.UserService, languageMappingService *services.LanguageMappingService) *SettingsHandler {
 	return &SettingsHandler{
-		config:   models.GetConfig(),
-		userSrvc: userService,
+		config:              conf.Get(),
+		languageMappingSrvc: languageMappingService,
+		userSrvc:            userService,
 	}
 }

@ -29,10 +33,16 @@ func (h *SettingsHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 		loadTemplates()
 	}

-	if handleAlerts(w, r, "settings.tpl.html") {
-		return
+	user := r.Context().Value(models.UserKey).(*models.User)
+	mappings, _ := h.languageMappingSrvc.GetByUser(user.ID)
+	data := map[string]interface{}{
+		"User":             user,
+		"LanguageMappings": mappings,
+		"Success":          r.FormValue("success"),
+		"Error":            r.FormValue("error"),
 	}
-	templates["settings.tpl.html"].Execute(w, nil)
+
+	templates[conf.SettingsTemplate].Execute(w, data)
 }

 func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request) {
@ -44,32 +54,34 @@ func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request

 	var credentials models.CredentialsReset
 	if err := r.ParseForm(); err != nil {
-		respondAlert(w, "missing parameters", "", "settings.tpl.html", http.StatusBadRequest)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("missing parameters")), http.StatusFound)
 		return
 	}
 	if err := credentialsDecoder.Decode(&credentials, r.PostForm); err != nil {
-		respondAlert(w, "missing parameters", "", "settings.tpl.html", http.StatusBadRequest)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("missing parameters")), http.StatusFound)
 		return
 	}

-	if !utils.CheckPasswordBcrypt(user, credentials.PasswordOld, h.config.PasswordSalt) {
-		respondAlert(w, "invalid credentials", "", "settings.tpl.html", http.StatusUnauthorized)
+	if !utils.CompareBcrypt(user.Password, credentials.PasswordOld, h.config.Security.PasswordSalt) {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("invalid credentials")), http.StatusFound)
 		return
 	}

 	if !credentials.IsValid() {
-		respondAlert(w, "invalid parameters", "", "settings.tpl.html", http.StatusBadRequest)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("invalid parameters")), http.StatusFound)
 		return
 	}

 	user.Password = credentials.PasswordNew
-	if err := utils.HashPassword(user, h.config.PasswordSalt); err != nil {
-		respondAlert(w, "internal server error", "", "settings.tpl.html", http.StatusInternalServerError)
+	if hash, err := utils.HashBcrypt(user.Password, h.config.Security.PasswordSalt); err != nil {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("internal server error")), http.StatusFound)
 		return
+	} else {
+		user.Password = hash
 	}

 	if _, err := h.userSrvc.Update(user); err != nil {
-		respondAlert(w, "internal server error", "", "settings.tpl.html", http.StatusInternalServerError)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("internal server error")), http.StatusFound)
 		return
 	}

@ -77,9 +89,9 @@ func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request
 		Username: user.ID,
 		Password: user.Password,
 	}
-	encoded, err := h.config.SecureCookie.Encode(models.AuthCookieKey, login)
+	encoded, err := h.config.Security.SecureCookie.Encode(models.AuthCookieKey, login)
 	if err != nil {
-		respondAlert(w, "internal server error", "", "settings.tpl.html", http.StatusInternalServerError)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("internal server error")), http.StatusFound)
 		return
 	}

@ -87,13 +99,64 @@ func (h *SettingsHandler) PostCredentials(w http.ResponseWriter, r *http.Request
 		Name:     models.AuthCookieKey,
 		Value:    encoded,
 		Path:     "/",
-		Secure:   !h.config.InsecureCookies,
+		Secure:   !h.config.Security.InsecureCookies,
 		HttpOnly: true,
 	}
 	http.SetCookie(w, cookie)

-	msg := url.QueryEscape("password was updated successfully")
-	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.BasePath, msg), http.StatusFound)
+	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.Server.BasePath, url.QueryEscape("password was updated successfully")), http.StatusFound)
+}
+
+func (h *SettingsHandler) DeleteLanguageMapping(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+	id, err := strconv.Atoi(r.PostFormValue("mapping_id"))
+	if err != nil {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("could not delete mapping")), http.StatusFound)
+		return
+	}
+
+	mapping := &models.LanguageMapping{
+		ID:     uint(id),
+		UserID: user.ID,
+	}
+
+	err = h.languageMappingSrvc.Delete(mapping)
+	if err != nil {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("could not delete mapping")), http.StatusFound)
+		return
+	}
+
+	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.Server.BasePath, url.QueryEscape("mapping deleted successfully")), http.StatusFound)
+}
+
+func (h *SettingsHandler) PostCreateLanguageMapping(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+	user := r.Context().Value(models.UserKey).(*models.User)
+	extension := r.PostFormValue("extension")
+	language := r.PostFormValue("language")
+
+	if extension[0] == '.' {
+		extension = extension[1:]
+	}
+
+	mapping := &models.LanguageMapping{
+		UserID:    user.ID,
+		Extension: extension,
+		Language:  language,
+	}
+
+	if _, err := h.languageMappingSrvc.Create(mapping); err != nil {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("mapping already exists")), http.StatusFound)
+		return
+	}
+
+	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.Server.BasePath, url.QueryEscape("mapping added successfully")), http.StatusFound)
 }

 func (h *SettingsHandler) PostResetApiKey(w http.ResponseWriter, r *http.Request) {
@ -103,10 +166,25 @@ func (h *SettingsHandler) PostResetApiKey(w http.ResponseWriter, r *http.Request

 	user := r.Context().Value(models.UserKey).(*models.User)
 	if _, err := h.userSrvc.ResetApiKey(user); err != nil {
-		respondAlert(w, "internal server error", "", "settings.tpl.html", http.StatusInternalServerError)
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("internal server error")), http.StatusFound)
 		return
 	}

 	msg := url.QueryEscape(fmt.Sprintf("your new api key is: %s", user.ApiKey))
-	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.BasePath, msg), http.StatusFound)
+	http.Redirect(w, r, fmt.Sprintf("%s/settings?success=%s", h.config.Server.BasePath, msg), http.StatusFound)
+}
+
+func (h *SettingsHandler) PostToggleBadges(w http.ResponseWriter, r *http.Request) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := r.Context().Value(models.UserKey).(*models.User)
+
+	if _, err := h.userSrvc.ToggleBadges(user); err != nil {
+		http.Redirect(w, r, fmt.Sprintf("%s/settings?error=%s", h.config.Server.BasePath, url.QueryEscape("internal server error")), http.StatusFound)
+		return
+	}
+
+	http.Redirect(w, r, fmt.Sprintf("%s/settings", h.config.Server.BasePath), http.StatusFound)
 }
--- a/routes/summary.go
+++ b/routes/summary.go
@ -1,38 +1,27 @@
 package routes

 import (
-	"errors"
-	"net/http"
-	"time"
-
+	conf "github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/services"
 	"github.com/muety/wakapi/utils"
-)
-
-const (
-	IntervalToday     string = "today"
-	IntervalLastDay   string = "day"
-	IntervalLastWeek  string = "week"
-	IntervalLastMonth string = "month"
-	IntervalLastYear  string = "year"
-	IntervalAny       string = "any"
+	"net/http"
 )

 type SummaryHandler struct {
 	summarySrvc *services.SummaryService
-	config      *models.Config
+	config      *conf.Config
 }

 func NewSummaryHandler(summaryService *services.SummaryService) *SummaryHandler {
 	return &SummaryHandler{
 		summarySrvc: summaryService,
-		config:      models.GetConfig(),
+		config:      conf.Get(),
 	}
 }

 func (h *SummaryHandler) ApiGet(w http.ResponseWriter, r *http.Request) {
-	summary, err, status := loadUserSummary(r, h.summarySrvc)
+	summary, err, status := h.loadUserSummary(r)
 	if err != nil {
 		w.WriteHeader(status)
 		w.Write([]byte(err.Error()))
@ -53,60 +42,36 @@ func (h *SummaryHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 		r.URL.RawQuery = q.Encode()
 	}

-	summary, err, status := loadUserSummary(r, h.summarySrvc)
+	summary, err, status := h.loadUserSummary(r)
 	if err != nil {
-		respondAlert(w, err.Error(), "", "summary.tpl.html", status)
+		respondAlert(w, err.Error(), "", conf.SummaryTemplate, status)
 		return
 	}

 	user := r.Context().Value(models.UserKey).(*models.User)
 	if user == nil {
-		respondAlert(w, "unauthorized", "", "summary.tpl.html", http.StatusUnauthorized)
+		respondAlert(w, "unauthorized", "", conf.SummaryTemplate, http.StatusUnauthorized)
 		return
 	}

 	vm := models.SummaryViewModel{
 		Summary:        summary,
-		LanguageColors: utils.FilterLanguageColors(h.config.LanguageColors, summary),
+		LanguageColors: utils.FilterLanguageColors(h.config.App.LanguageColors, summary),
 		ApiKey:         user.ApiKey,
 	}

-	templates["summary.tpl.html"].Execute(w, vm)
+	templates[conf.SummaryTemplate].Execute(w, vm)
 }

-func loadUserSummary(r *http.Request, summaryService *services.SummaryService) (*models.Summary, error, int) {
-	user := r.Context().Value(models.UserKey).(*models.User)
-	params := r.URL.Query()
-	interval := params.Get("interval")
-	from, err := utils.ParseDate(params.Get("from"))
+func (h *SummaryHandler) loadUserSummary(r *http.Request) (*models.Summary, error, int) {
+	summaryParams, err := utils.ParseSummaryParams(r)
 	if err != nil {
-		switch interval {
-		case IntervalToday:
-			from = utils.StartOfDay()
-		case IntervalLastDay:
-			from = utils.StartOfDay().Add(-24 * time.Hour)
-		case IntervalLastWeek:
-			from = utils.StartOfWeek()
-		case IntervalLastMonth:
-			from = utils.StartOfMonth()
-		case IntervalLastYear:
-			from = utils.StartOfYear()
-		case IntervalAny:
-			from = time.Time{}
-		default:
-			return nil, errors.New("missing 'from' parameter"), http.StatusBadRequest
-		}
+		return nil, err, http.StatusBadRequest
 	}

-	live := (params.Get("live") != "" && params.Get("live") != "false") || interval == IntervalToday
-	recompute := params.Get("recompute") != "" && params.Get("recompute") != "false"
-	to := utils.StartOfDay()
-	if live {
-		to = time.Now()
-	}
-
-	var summary *models.Summary
-	summary, err = summaryService.Construct(from, to, user, recompute) // 'to' is always constant
+	summary, err := h.summarySrvc.PostProcessWrapped(
+		h.summarySrvc.Construct(summaryParams.From, summaryParams.To, summaryParams.User, summaryParams.Recompute), // 'to' is always constant
+	)
 	if err != nil {
 		return nil, err, http.StatusInternalServerError
 	}
--- a/scripts/push_sample_data.py
+++ b/scripts/push_sample_data.py
@ -1,15 +1,17 @@
 #!/usr/bin/python3
+
+import argparse
+import base64
 import random
 import string
 import sys
 from datetime import datetime, timedelta
-from typing import List
+from typing import List, Union

 import requests
+from tqdm import tqdm

-N_PROJECTS = 5
-N_PAST_HOURS = 24
-UA = 'wakatime/13.0.7 (Linux-4.15.0-91-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 vscode/1.42.1 vscode-wakatime/4.0.0'
+UA = 'wakatime/13.0.7 (Linux-4.15.0-91-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 generator/1.42.1 generator-wakatime/4.0.0'
 LANGUAGES = {
    'Go': 'go',
    'Java': 'java',
@ -36,23 +38,25 @@ class Heartbeat:
        self.is_write: bool = is_write
        self.branch: str = branch
        self.type: str = type
-        self.category: str = None
+        self.category: Union[str, None] = None


-def generate_data(n: int) -> List[Heartbeat]:
+def generate_data(n: int, n_projects: int = 5, n_past_hours: int = 24) -> List[Heartbeat]:
    data: List[Heartbeat] = []
    now: datetime = datetime.today()
-    projects: List[str] = [randomword(random.randint(5, 10)) for _ in range(5)]
+    projects: List[str] = [randomword(random.randint(5, 10)) for _ in range(n_projects)]
    languages: List[str] = list(LANGUAGES.keys())

-    for i in range(n):
+    for _ in range(n):
        p: str = random.choice(projects)
        l: str = random.choice(languages)
        f: str = randomword(random.randint(2, 8))
        delta: timedelta = timedelta(
-            hours=random.randint(0, N_PAST_HOURS - 1),
+            hours=random.randint(0, n_past_hours - 1),
            minutes=random.randint(0, 59),
-            seconds=random.randint(0, 59)
+            seconds=random.randint(0, 59),
+            milliseconds=random.randint(0, 999),
+            microseconds=random.randint(0, 999)
        )

        data.append(Heartbeat(
@ -65,29 +69,43 @@ def generate_data(n: int) -> List[Heartbeat]:
    return data


-def post_data_sync(data: List[Heartbeat], url: str):
-    for h in data:
+def post_data_sync(data: List[Heartbeat], url: str, api_key: str):
+    encoded_key: str = str(base64.b64encode(api_key.encode('utf-8')), 'utf-8')
+
+    for h in tqdm(data):
        r = requests.post(url, json=[h.__dict__], headers={
-            'User-Agent': UA
+            'User-Agent': UA,
+            'Authorization': f'Basic {encoded_key}'
        })
-        if r.status_code != 200:
+        if r.status_code != 201:
            print(r.text)
            sys.exit(1)


 def randomword(length: int) -> str:
    letters = string.ascii_lowercase
-    return ''.join(random.choice(letters) for i in range(length))
+    return ''.join(random.choice(letters) for _ in range(length))
+
+
+def parse_arguments():
+    parser = argparse.ArgumentParser(description='Wakapi test data insertion script.')
+    parser.add_argument('-n', type=int, default=20, help='total number of random heartbeats to generate and insert')
+    parser.add_argument('-u', '--url', type=str, default='http://localhost:3000/api/heartbeat',
+                        help='url of your api\'s heartbeats endpoint')
+    parser.add_argument('-k', '--apikey', type=str, required=True,
+                        help='your api key (to get one, go to the web interface, create a new user, log in and copy the key)')
+    parser.add_argument('-p', '--projects', type=int, default=5, help='number of different fake projects to generate')
+    parser.add_argument('-o', '--offset', type=int, default=24,
+                        help='negative time offset in hours from now for to be used as an interval within which to generate heartbeats for')
+    parser.add_argument('-s', '--seed', type=int, default=2020,
+                        help='a seed for initializing the pseudo-random number generator')
+    return parser.parse_args()


 if __name__ == '__main__':
-    n: int = 10
-    url: str = 'http://admin:admin@localhost:3000/api/heartbeat'
+    args = parse_arguments()

-    if len(sys.argv) > 1:
-        n = int(sys.argv[1])
-    if len(sys.argv) > 2:
-        url = sys.argv[2]
+    random.seed(args.seed)

-    data: List[Heartbeat] = generate_data(n)
-    post_data_sync(data, url)
+    data: List[Heartbeat] = generate_data(args.n, args.projects, args.offset)
+    post_data_sync(data, args.url, args.apikey)
--- a/services/aggregation.go
+++ b/services/aggregation.go
@ -1,34 +1,32 @@
 package services

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

 	"github.com/jasonlvhit/gocron"
-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/models"
 )

 const (
-	aggregateIntervalDays int = 1 // TODO: Make configurable
+	aggregateIntervalDays int = 1
 )

 type AggregationService struct {
-	Config           *models.Config
-	Db               *gorm.DB
-	UserService      *UserService
-	SummaryService   *SummaryService
-	HeartbeatService *HeartbeatService
+	config           *config.Config
+	userService      *UserService
+	summaryService   *SummaryService
+	heartbeatService *HeartbeatService
 }

-func NewAggregationService(db *gorm.DB, userService *UserService, summaryService *SummaryService, heartbeatService *HeartbeatService) *AggregationService {
+func NewAggregationService(userService *UserService, summaryService *SummaryService, heartbeatService *HeartbeatService) *AggregationService {
 	return &AggregationService{
-		Config:           models.GetConfig(),
-		Db:               db,
-		UserService:      userService,
-		SummaryService:   summaryService,
-		HeartbeatService: heartbeatService,
+		config:           config.Get(),
+		userService:      userService,
+		summaryService:   summaryService,
+		heartbeatService: heartbeatService,
 	}
 }

@ -39,7 +37,6 @@ type AggregationJob struct {
 }

 // Schedule a job to (re-)generate summaries every day shortly after midnight
-// TODO: Make configurable
 func (srv *AggregationService) Schedule() {
 	jobs := make(chan *AggregationJob)
 	summaries := make(chan *models.Summary)
@ -50,20 +47,20 @@ func (srv *AggregationService) Schedule() {
 		go srv.summaryWorker(jobs, summaries)
 	}

-	for i := 0; i < int(srv.Config.DbMaxConn); i++ {
+	for i := 0; i < int(srv.config.Db.MaxConn); i++ {
 		go srv.persistWorker(summaries)
 	}

 	// Run once initially
 	srv.trigger(jobs)

-	gocron.Every(1).Day().At("02:15").Do(srv.trigger, jobs)
+	gocron.Every(1).Day().At(srv.config.App.AggregationTime).Do(srv.trigger, jobs)
 	<-gocron.Start()
 }

 func (srv *AggregationService) summaryWorker(jobs <-chan *AggregationJob, summaries chan<- *models.Summary) {
 	for job := range jobs {
-		if summary, err := srv.SummaryService.Construct(job.From, job.To, &models.User{ID: job.UserID}, true); err != nil {
+		if summary, err := srv.summaryService.Construct(job.From, job.To, &models.User{ID: job.UserID}, true); err != nil {
 			log.Printf("Failed to generate summary (%v, %v, %s) – %v.\n", job.From, job.To, job.UserID, err)
 		} else {
 			log.Printf("Successfully generated summary (%v, %v, %s).\n", job.From, job.To, job.UserID)
@ -74,7 +71,7 @@ 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 {
+		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)
 		}
 	}
@ -83,13 +80,13 @@ func (srv *AggregationService) persistWorker(summaries <-chan *models.Summary) {
 func (srv *AggregationService) trigger(jobs chan<- *AggregationJob) error {
 	log.Println("Generating summaries.")

-	users, err := srv.UserService.GetAll()
+	users, err := srv.userService.GetAll()
 	if err != nil {
 		log.Println(err)
 		return err
 	}

-	latestSummaries, err := srv.SummaryService.GetLatestByUser()
+	latestSummaries, err := srv.summaryService.GetLatestByUser()
 	if err != nil {
 		log.Println(err)
 		return err
@ -97,7 +94,7 @@ func (srv *AggregationService) trigger(jobs chan<- *AggregationJob) error {

 	userSummaryTimes := make(map[string]time.Time)
 	for _, s := range latestSummaries {
-		userSummaryTimes[s.UserID] = s.ToTime
+		userSummaryTimes[s.UserID] = s.ToTime.T()
 	}

 	missingUserIDs := make([]string, 0)
@ -107,7 +104,7 @@ func (srv *AggregationService) trigger(jobs chan<- *AggregationJob) error {
 		}
 	}

-	firstHeartbeats, err := srv.HeartbeatService.GetFirstUserHeartbeats(missingUserIDs)
+	firstHeartbeats, err := srv.heartbeatService.GetFirstUserHeartbeats(missingUserIDs)
 	if err != nil {
 		log.Println(err)
 		return err
--- a/services/alias.go
+++ b/services/alias.go
@ -1,49 +1,49 @@
 package services

 import (
-	"errors"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/repositories"
 	"sync"

-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/models"
 )

 type AliasService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	config     *config.Config
+	repository *repositories.AliasRepository
 }

-func NewAliasService(db *gorm.DB) *AliasService {
+func NewAliasService(aliasRepo *repositories.AliasRepository) *AliasService {
 	return &AliasService{
-		Config: models.GetConfig(),
-		Db:     db,
+		config:     config.Get(),
+		repository: aliasRepo,
 	}
 }

 var userAliases sync.Map

 func (srv *AliasService) LoadUserAliases(userId string) error {
-	var aliases []*models.Alias
-	if err := srv.Db.
-		Where(&models.Alias{UserID: userId}).
-		Find(&aliases).Error; err != nil {
-		return err
+	aliases, err := srv.repository.GetByUser(userId)
+	if err == nil {
+		userAliases.Store(userId, aliases)
 	}
-
-	userAliases.Store(userId, aliases)
-	return nil
+	return err
 }

 func (srv *AliasService) GetAliasOrDefault(userId string, summaryType uint8, value string) (string, error) {
-	if ua, ok := userAliases.Load(userId); ok {
-		for _, a := range ua.([]*models.Alias) {
-			if a.Type == summaryType && a.Value == value {
-				return a.Key, nil
-			}
+	if !srv.IsInitialized(userId) {
+		if err := srv.LoadUserAliases(userId); err != nil {
+			return "", err
 		}
-		return value, nil
 	}
-	return "", errors.New("user aliases not initialized")
+
+	aliases, _ := userAliases.Load(userId)
+	for _, a := range aliases.([]*models.Alias) {
+		if a.Type == summaryType && a.Value == value {
+			return a.Key, nil
+		}
+	}
+	return value, nil
 }

 func (srv *AliasService) IsInitialized(userId string) bool {
--- a/services/heartbeat.go
+++ b/services/heartbeat.go
@ -2,82 +2,55 @@ package services

 import (
 	"github.com/jasonlvhit/gocron"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/repositories"
 	"github.com/muety/wakapi/utils"
 	"log"
 	"time"

-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/models"
-	gormbulk "github.com/t-tiger/gorm-bulk-insert"
 )

 const (
-	TableHeartbeat  = "heartbeat"
 	cleanUpInterval = time.Duration(aggregateIntervalDays) * 2 * 24 * time.Hour
 )

 type HeartbeatService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	config              *config.Config
+	repository          *repositories.HeartbeatRepository
+	languageMappingSrvc *LanguageMappingService
 }

-func NewHeartbeatService(db *gorm.DB) *HeartbeatService {
+func NewHeartbeatService(heartbeatRepo *repositories.HeartbeatRepository, languageMappingService *LanguageMappingService) *HeartbeatService {
 	return &HeartbeatService{
-		Config: models.GetConfig(),
-		Db:     db,
+		config:              config.Get(),
+		repository:          heartbeatRepo,
+		languageMappingSrvc: languageMappingService,
 	}
 }

 func (srv *HeartbeatService) InsertBatch(heartbeats []*models.Heartbeat) error {
-	var batch []interface{}
-	for _, h := range heartbeats {
-		batch = append(batch, *h)
-	}
-
-	if err := gormbulk.BulkInsert(srv.Db, batch, 3000); err != nil {
-		return err
-	}
-	return nil
+	return srv.repository.InsertBatch(heartbeats)
 }

 func (srv *HeartbeatService) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
-	var heartbeats []*models.Heartbeat
-	if err := srv.Db.
-		Where(&models.Heartbeat{UserID: user.ID}).
-		Where("time >= ?", from).
-		Where("time <= ?", to).
-		Order("time asc").
-		Find(&heartbeats).Error; err != nil {
+	heartbeats, err := srv.repository.GetAllWithin(from, to, user)
+	if err != nil {
 		return nil, err
 	}
-	return heartbeats, nil
+	return srv.augmented(heartbeats, user.ID)
 }

-// Will return *models.Heartbeat object with only user_id and time fields filled
 func (srv *HeartbeatService) GetFirstUserHeartbeats(userIds []string) ([]*models.Heartbeat, error) {
-	var heartbeats []*models.Heartbeat
-	if err := srv.Db.
-		Table("heartbeats").
-		Select("user_id, min(time) as time").
-		Where("user_id IN (?)", userIds).
-		Group("user_id").
-		Scan(&heartbeats).Error; err != nil {
-		return nil, err
-	}
-	return heartbeats, nil
+	return srv.repository.GetFirstByUsers(userIds)
 }

 func (srv *HeartbeatService) DeleteBefore(t time.Time) error {
-	if err := srv.Db.
-		Where("time <= ?", t).
-		Delete(models.Heartbeat{}).Error; err != nil {
-		return err
-	}
-	return nil
+	return srv.repository.DeleteBefore(t)
 }

 func (srv *HeartbeatService) CleanUp() error {
-	refTime := utils.StartOfDay().Add(-cleanUpInterval)
+	refTime := utils.StartOfToday().Add(-cleanUpInterval)
 	if err := srv.DeleteBefore(refTime); err != nil {
 		log.Printf("Failed to clean up heartbeats older than %v – %v\n", refTime, err)
 		return err
@ -92,3 +65,16 @@ func (srv *HeartbeatService) ScheduleCleanUp() {
 	gocron.Every(1).Day().At("02:30").Do(srv.CleanUp)
 	<-gocron.Start()
 }
+
+func (srv *HeartbeatService) augmented(heartbeats []*models.Heartbeat, userId string) ([]*models.Heartbeat, error) {
+	languageMapping, err := srv.languageMappingSrvc.ResolveByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	for i := range heartbeats {
+		heartbeats[i].Augment(languageMapping)
+	}
+
+	return heartbeats, nil
+}
--- a/services/key_value.go
+++ b/services/key_value.go
@ -1,62 +1,31 @@
 package services

 import (
-	"errors"
-	"github.com/jinzhu/gorm"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
 )

 type KeyValueService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	config     *config.Config
+	repository *repositories.KeyValueRepository
 }

-func NewKeyValueService(db *gorm.DB) *KeyValueService {
+func NewKeyValueService(keyValueRepo *repositories.KeyValueRepository) *KeyValueService {
 	return &KeyValueService{
-		Config: models.GetConfig(),
-		Db:     db,
+		config:     config.Get(),
+		repository: keyValueRepo,
 	}
 }

 func (srv *KeyValueService) GetString(key string) (*models.KeyStringValue, error) {
-	kv := &models.KeyStringValue{}
-	if err := srv.Db.
-		Where(&models.KeyStringValue{Key: key}).
-		First(&kv).Error; err != nil {
-		return nil, err
-	}
-
-	return kv, nil
+	return srv.repository.GetString(key)
 }

 func (srv *KeyValueService) PutString(kv *models.KeyStringValue) error {
-	result := srv.Db.
-		Where(&models.KeyStringValue{Key: kv.Key}).
-		Assign(kv).
-		FirstOrCreate(kv)
-
-	if err := result.Error; err != nil {
-		return err
-	}
-
-	if result.RowsAffected != 1 {
-		return errors.New("nothing updated")
-	}
-
-	return nil
+	return srv.repository.PutString(kv)
 }

 func (srv *KeyValueService) DeleteString(key string) error {
-	result := srv.Db.
-		Delete(&models.KeyStringValue{}, &models.KeyStringValue{Key: key})
-
-	if err := result.Error; err != nil {
-		return err
-	}
-
-	if result.RowsAffected != 1 {
-		return errors.New("nothing deleted")
-	}
-
-	return nil
+	return srv.repository.DeleteString(key)
 }
--- a/services/language_mapping.go
+++ b/services/language_mapping.go
@ -0,0 +1,73 @@
+package services
+
+import (
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+	"github.com/patrickmn/go-cache"
+	"time"
+)
+
+type LanguageMappingService struct {
+	config     *config.Config
+	repository *repositories.LanguageMappingRepository
+	cache      *cache.Cache
+}
+
+func NewLanguageMappingService(languageMappingsRepo *repositories.LanguageMappingRepository) *LanguageMappingService {
+	return &LanguageMappingService{
+		config:     config.Get(),
+		repository: languageMappingsRepo,
+		cache:      cache.New(1*time.Hour, 2*time.Hour),
+	}
+}
+
+func (srv *LanguageMappingService) GetById(id uint) (*models.LanguageMapping, error) {
+	return srv.repository.GetById(id)
+}
+
+func (srv *LanguageMappingService) GetByUser(userId string) ([]*models.LanguageMapping, error) {
+	if mappings, found := srv.cache.Get(userId); found {
+		return mappings.([]*models.LanguageMapping), nil
+	}
+
+	mappings, err := srv.repository.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+	srv.cache.Set(userId, mappings, cache.DefaultExpiration)
+	return mappings, nil
+}
+
+func (srv *LanguageMappingService) ResolveByUser(userId string) (map[string]string, error) {
+	mappings := srv.getServerMappings()
+	userMappings, err := srv.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, m := range userMappings {
+		mappings[m.Extension] = m.Language
+	}
+	return mappings, nil
+}
+
+func (srv *LanguageMappingService) Create(mapping *models.LanguageMapping) (*models.LanguageMapping, error) {
+	result, err := srv.repository.Insert(mapping)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.Delete(result.UserID)
+	return result, nil
+}
+
+func (srv *LanguageMappingService) Delete(mapping *models.LanguageMapping) error {
+	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
+}
--- a/services/summary.go
+++ b/services/summary.go
@ -3,31 +3,34 @@ package services
 import (
 	"crypto/md5"
 	"errors"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/repositories"
 	"github.com/patrickmn/go-cache"
 	"math"
 	"sort"
 	"strconv"
 	"time"

-	"github.com/jinzhu/gorm"
 	"github.com/muety/wakapi/models"
 )

+const HeartbeatDiffThreshold = 2 * time.Minute
+
 type SummaryService struct {
-	Config           *models.Config
-	Cache            *cache.Cache
-	Db               *gorm.DB
-	HeartbeatService *HeartbeatService
-	AliasService     *AliasService
+	config           *config.Config
+	cache            *cache.Cache
+	repository       *repositories.SummaryRepository
+	heartbeatService *HeartbeatService
+	aliasService     *AliasService
 }

-func NewSummaryService(db *gorm.DB, heartbeatService *HeartbeatService, aliasService *AliasService) *SummaryService {
+func NewSummaryService(summaryRepo *repositories.SummaryRepository, heartbeatService *HeartbeatService, aliasService *AliasService) *SummaryService {
 	return &SummaryService{
-		Config:           models.GetConfig(),
-		Cache:            cache.New(24*time.Hour, 24*time.Hour),
-		Db:               db,
-		HeartbeatService: heartbeatService,
-		AliasService:     aliasService,
+		config:           config.Get(),
+		cache:            cache.New(24*time.Hour, 24*time.Hour),
+		repository:       summaryRepo,
+		heartbeatService: heartbeatService,
+		aliasService:     aliasService,
 	}
 }

@ -36,6 +39,7 @@ type Interval struct {
 	End   time.Time
 }

+// TODO: simplify!
 func (srv *SummaryService) Construct(from, to time.Time, user *models.User, recompute bool) (*models.Summary, error) {
 	var existingSummaries []*models.Summary
 	var cacheKey string
@ -44,7 +48,7 @@ func (srv *SummaryService) Construct(from, to time.Time, user *models.User, reco
 		existingSummaries = make([]*models.Summary, 0)
 	} else {
 		cacheKey = getHash([]time.Time{from, to}, user)
-		if result, ok := srv.Cache.Get(cacheKey); ok {
+		if result, ok := srv.cache.Get(cacheKey); ok {
 			return result.(*models.Summary), nil
 		}
 		summaries, err := srv.GetByUserWithin(user, from, to)
@ -58,21 +62,22 @@ func (srv *SummaryService) Construct(from, to time.Time, user *models.User, reco

 	heartbeats := make([]*models.Heartbeat, 0)
 	for _, interval := range missingIntervals {
-		hb, err := srv.HeartbeatService.GetAllWithin(interval.Start, interval.End, user)
+		hb, err := srv.heartbeatService.GetAllWithin(interval.Start, interval.End, user)
 		if err != nil {
 			return nil, err
 		}
 		heartbeats = append(heartbeats, hb...)
 	}

-	types := []uint8{models.SummaryProject, models.SummaryLanguage, models.SummaryEditor, models.SummaryOS}
+	types := models.SummaryTypes()

 	var projectItems []*models.SummaryItem
 	var languageItems []*models.SummaryItem
 	var editorItems []*models.SummaryItem
 	var osItems []*models.SummaryItem
+	var machineItems []*models.SummaryItem

-	if err := srv.AliasService.LoadUserAliases(user.ID); err != nil {
+	if err := srv.aliasService.LoadUserAliases(user.ID); err != nil {
 		return nil, err
 	}

@ -92,14 +97,20 @@ func (srv *SummaryService) Construct(from, to time.Time, user *models.User, reco
 			editorItems = item.Items
 		case models.SummaryOS:
 			osItems = item.Items
+		case models.SummaryMachine:
+			machineItems = item.Items
 		}
 	}
 	close(c)

 	realFrom, realTo := from, to
 	if len(existingSummaries) > 0 {
-		realFrom = existingSummaries[0].FromTime
-		realTo = existingSummaries[len(existingSummaries)-1].ToTime
+		realFrom = existingSummaries[0].FromTime.T()
+		realTo = existingSummaries[len(existingSummaries)-1].ToTime.T()
+
+		for _, summary := range existingSummaries {
+			summary.FillUnknown()
+		}
 	}
 	if len(heartbeats) > 0 {
 		t1, t2 := time.Time(heartbeats[0].Time), time.Time(heartbeats[len(heartbeats)-1].Time)
@ -113,12 +124,13 @@ func (srv *SummaryService) Construct(from, to time.Time, user *models.User, reco

 	aggregatedSummary := &models.Summary{
 		UserID:           user.ID,
-		FromTime:         realFrom,
-		ToTime:           realTo,
+		FromTime:         models.CustomTime(realFrom),
+		ToTime:           models.CustomTime(realTo),
 		Projects:         projectItems,
 		Languages:        languageItems,
 		Editors:          editorItems,
 		OperatingSystems: osItems,
+		Machines:         machineItems,
 	}

 	allSummaries := []*models.Summary{aggregatedSummary}
@ -130,47 +142,87 @@ func (srv *SummaryService) Construct(from, to time.Time, user *models.User, reco
 	}

 	if cacheKey != "" {
-		srv.Cache.SetDefault(cacheKey, summary)
+		srv.cache.SetDefault(cacheKey, summary)
 	}

 	return summary, nil
 }

-func (srv *SummaryService) Insert(summary *models.Summary) error {
-	if err := srv.Db.Create(summary).Error; err != nil {
-		return err
+func (srv *SummaryService) PostProcessWrapped(summary *models.Summary, err error) (*models.Summary, error) {
+	if err != nil {
+		return nil, err
 	}
-	return nil
+	return srv.PostProcess(summary), nil
+}
+
+func (srv *SummaryService) PostProcess(summary *models.Summary) *models.Summary {
+	updatedSummary := &models.Summary{
+		ID:       summary.ID,
+		UserID:   summary.UserID,
+		FromTime: summary.FromTime,
+		ToTime:   summary.ToTime,
+	}
+
+	processAliases := func(origin []*models.SummaryItem) []*models.SummaryItem {
+		target := make([]*models.SummaryItem, 0)
+
+		findItem := func(key string) *models.SummaryItem {
+			for _, item := range target {
+				if item.Key == key {
+					return item
+				}
+			}
+			return nil
+		}
+
+		for _, item := range origin {
+			// Add all "top-level" items, i.e. such without aliases
+			if key, _ := srv.aliasService.GetAliasOrDefault(summary.UserID, item.Type, item.Key); key == item.Key {
+				target = append(target, item)
+			}
+		}
+
+		for _, item := range origin {
+			// Add all remaining projects and merge with their alias
+			if key, _ := srv.aliasService.GetAliasOrDefault(summary.UserID, item.Type, item.Key); key != item.Key {
+				if targetItem := findItem(key); targetItem != nil {
+					targetItem.Total += item.Total
+				} else {
+					target = append(target, &models.SummaryItem{
+						ID:        item.ID,
+						SummaryID: item.SummaryID,
+						Type:      item.Type,
+						Key:       key,
+						Total:     item.Total,
+					})
+				}
+			}
+		}
+
+		return target
+	}
+
+	// Resolve aliases
+	updatedSummary.Projects = processAliases(summary.Projects)
+	updatedSummary.Editors = processAliases(summary.Editors)
+	updatedSummary.Languages = processAliases(summary.Languages)
+	updatedSummary.OperatingSystems = processAliases(summary.OperatingSystems)
+	updatedSummary.Machines = processAliases(summary.Machines)
+
+	return updatedSummary
+}
+
+func (srv *SummaryService) Insert(summary *models.Summary) error {
+	return srv.repository.Insert(summary)
 }

 func (srv *SummaryService) GetByUserWithin(user *models.User, from, to time.Time) ([]*models.Summary, error) {
-	var summaries []*models.Summary
-	if err := srv.Db.
-		Where(&models.Summary{UserID: user.ID}).
-		Where("from_time >= ?", from).
-		Where("to_time <= ?", to).
-		Order("from_time asc").
-		Preload("Projects", "type = ?", models.SummaryProject).
-		Preload("Languages", "type = ?", models.SummaryLanguage).
-		Preload("Editors", "type = ?", models.SummaryEditor).
-		Preload("OperatingSystems", "type = ?", models.SummaryOS).
-		Find(&summaries).Error; err != nil {
-		return nil, err
-	}
-	return summaries, nil
+	return srv.repository.GetByUserWithin(user, from, to)
 }

 // Will return *models.Index objects with only user_id and to_time filled
 func (srv *SummaryService) GetLatestByUser() ([]*models.Summary, error) {
-	var summaries []*models.Summary
-	if err := srv.Db.
-		Table("summaries").
-		Select("user_id, max(to_time) as to_time").
-		Group("user_id").
-		Scan(&summaries).Error; err != nil {
-		return nil, err
-	}
-	return summaries, nil
+	return srv.repository.GetLatestByUser()
 }

 func (srv *SummaryService) aggregateBy(heartbeats []*models.Heartbeat, summaryType uint8, user *models.User, c chan models.SummaryItemContainer) {
@ -187,14 +239,12 @@ func (srv *SummaryService) aggregateBy(heartbeats []*models.Heartbeat, summaryTy
 			key = h.Language
 		case models.SummaryOS:
 			key = h.OperatingSystem
+		case models.SummaryMachine:
+			key = h.Machine
 		}

 		if key == "" {
-			key = "unknown"
-		}
-
-		if aliasedKey, err := srv.AliasService.GetAliasOrDefault(user.ID, summaryType, key); err == nil {
-			key = aliasedKey
+			key = models.UnknownSummaryKey
 		}

 		if _, ok := durations[key]; !ok {
@ -205,9 +255,16 @@ func (srv *SummaryService) aggregateBy(heartbeats []*models.Heartbeat, summaryTy
 			continue
 		}

-		timePassed := h.Time.Time().Sub(heartbeats[i-1].Time.Time())
-		timeThresholded := math.Min(float64(timePassed), float64(time.Duration(2)*time.Minute))
-		durations[key] += time.Duration(int64(timeThresholded))
+		t1, t2, tdiff := h.Time.T(), heartbeats[i-1].Time.T(), time.Duration(0)
+		// This is a hack. The time difference between two heartbeats from two subsequent day (e.g. 23:59:59 and 00:00:01) are ignored.
+		// This is to prevent a discrepancy between summaries computed solely from heartbeats and summaries involving pre-aggregated per-day summaries.
+		// For the latter, a duration is already pre-computed and information about individual heartbeats is lost, so there can be no cross-day overflow.
+		// Essentially, we simply ignore such edge-case heartbeats here, which makes the eventual total duration potentially a bit shorter.
+		if t1.Day() == t2.Day() {
+			timePassed := t1.Sub(t2)
+			tdiff = time.Duration(int64(math.Min(float64(timePassed), float64(HeartbeatDiffThreshold))))
+		}
+		durations[key] += tdiff
 	}

 	items := make([]*models.SummaryItem, 0)
@ -234,13 +291,13 @@ func getMissingIntervals(from, to time.Time, existingSummaries []*models.Summary
 	intervals := make([]*Interval, 0)

 	// Pre
-	if from.Before(existingSummaries[0].FromTime) {
-		intervals = append(intervals, &Interval{from, existingSummaries[0].FromTime})
+	if from.Before(existingSummaries[0].FromTime.T()) {
+		intervals = append(intervals, &Interval{from, existingSummaries[0].FromTime.T()})
 	}

 	// Between
 	for i := 0; i < len(existingSummaries)-1; i++ {
-		t1, t2 := existingSummaries[i].ToTime, existingSummaries[i+1].FromTime
+		t1, t2 := existingSummaries[i].ToTime.T(), existingSummaries[i+1].FromTime.T()
 		if t1.Equal(t2) {
 			continue
 		}
@ -250,13 +307,13 @@ func getMissingIntervals(from, to time.Time, existingSummaries []*models.Summary
 		td2 := time.Date(t2.Year(), t2.Month(), t2.Day(), 0, 0, 0, 0, t2.Location())
 		// one or more day missing in between?
 		if td1.Before(td2) {
-			intervals = append(intervals, &Interval{existingSummaries[i].ToTime, existingSummaries[i+1].FromTime})
+			intervals = append(intervals, &Interval{existingSummaries[i].ToTime.T(), existingSummaries[i+1].FromTime.T()})
 		}
 	}

 	// Post
-	if to.After(existingSummaries[len(existingSummaries)-1].ToTime) {
-		intervals = append(intervals, &Interval{to, existingSummaries[len(existingSummaries)-1].ToTime})
+	if to.After(existingSummaries[len(existingSummaries)-1].ToTime.T()) {
+		intervals = append(intervals, &Interval{existingSummaries[len(existingSummaries)-1].ToTime.T(), to})
 	}

 	return intervals
@ -276,6 +333,7 @@ func mergeSummaries(summaries []*models.Summary) (*models.Summary, error) {
 		Languages:        make([]*models.SummaryItem, 0),
 		Editors:          make([]*models.SummaryItem, 0),
 		OperatingSystems: make([]*models.SummaryItem, 0),
+		Machines:         make([]*models.SummaryItem, 0),
 	}

 	for _, s := range summaries {
@ -283,22 +341,23 @@ func mergeSummaries(summaries []*models.Summary) (*models.Summary, error) {
 			return nil, errors.New("users don't match")
 		}

-		if s.FromTime.Before(minTime) {
-			minTime = s.FromTime
+		if s.FromTime.T().Before(minTime) {
+			minTime = s.FromTime.T()
 		}

-		if s.ToTime.After(maxTime) {
-			maxTime = s.ToTime
+		if s.ToTime.T().After(maxTime) {
+			maxTime = s.ToTime.T()
 		}

 		finalSummary.Projects = mergeSummaryItems(finalSummary.Projects, s.Projects)
 		finalSummary.Languages = mergeSummaryItems(finalSummary.Languages, s.Languages)
 		finalSummary.Editors = mergeSummaryItems(finalSummary.Editors, s.Editors)
 		finalSummary.OperatingSystems = mergeSummaryItems(finalSummary.OperatingSystems, s.OperatingSystems)
+		finalSummary.Machines = mergeSummaryItems(finalSummary.Machines, s.Machines)
 	}

-	finalSummary.FromTime = minTime
-	finalSummary.ToTime = maxTime
+	finalSummary.FromTime = models.CustomTime(minTime)
+	finalSummary.ToTime = models.CustomTime(maxTime)

 	return finalSummary, nil
 }
--- a/services/user.go
+++ b/services/user.go
@ -1,49 +1,35 @@
 package services

 import (
-	"errors"
-	"github.com/jinzhu/gorm"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
 	"github.com/muety/wakapi/utils"
 	uuid "github.com/satori/go.uuid"
 )

 type UserService struct {
-	Config *models.Config
-	Db     *gorm.DB
+	Config     *config.Config
+	repository *repositories.UserRepository
 }

-func NewUserService(db *gorm.DB) *UserService {
+func NewUserService(userRepo *repositories.UserRepository) *UserService {
 	return &UserService{
-		Config: models.GetConfig(),
-		Db:     db,
+		Config:     config.Get(),
+		repository: userRepo,
 	}
 }

 func (srv *UserService) GetUserById(userId string) (*models.User, error) {
-	u := &models.User{}
-	if err := srv.Db.Where(&models.User{ID: userId}).First(u).Error; err != nil {
-		return u, err
-	}
-	return u, nil
+	return srv.repository.GetById(userId)
 }

 func (srv *UserService) GetUserByKey(key string) (*models.User, error) {
-	u := &models.User{}
-	if err := srv.Db.Where(&models.User{ApiKey: key}).First(u).Error; err != nil {
-		return u, err
-	}
-	return u, nil
+	return srv.repository.GetByApiKey(key)
 }

 func (srv *UserService) GetAll() ([]*models.User, error) {
-	var users []*models.User
-	if err := srv.Db.
-		Table("users").
-		Find(&users).Error; err != nil {
-		return nil, err
-	}
-	return users, nil
+	return srv.repository.GetAll()
 }

 func (srv *UserService) CreateOrGet(signup *models.Signup) (*models.User, bool, error) {
@ -53,33 +39,17 @@ func (srv *UserService) CreateOrGet(signup *models.Signup) (*models.User, bool,
 		Password: signup.Password,
 	}

-	if err := utils.HashPassword(u, srv.Config.PasswordSalt); err != nil {
+	if hash, err := utils.HashBcrypt(u.Password, srv.Config.Security.PasswordSalt); err != nil {
 		return nil, false, err
+	} else {
+		u.Password = hash
 	}

-	result := srv.Db.FirstOrCreate(u, &models.User{ID: u.ID})
-	if err := result.Error; err != nil {
-		return nil, false, err
-	}
-
-	if result.RowsAffected == 1 {
-		return u, true, nil
-	}
-
-	return u, false, nil
+	return srv.repository.InsertOrGet(u)
 }

 func (srv *UserService) Update(user *models.User) (*models.User, error) {
-	result := srv.Db.Model(&models.User{}).Updates(user)
-	if err := result.Error; err != nil {
-		return nil, err
-	}
-
-	if result.RowsAffected != 1 {
-		return nil, errors.New("nothing updated")
-	}
-
-	return user, nil
+	return srv.repository.Update(user)
 }

 func (srv *UserService) ResetApiKey(user *models.User) (*models.User, error) {
@ -87,18 +57,16 @@ func (srv *UserService) ResetApiKey(user *models.User) (*models.User, error) {
 	return srv.Update(user)
 }

+func (srv *UserService) ToggleBadges(user *models.User) (*models.User, error) {
+	return srv.repository.UpdateField(user, "badges_enabled", !user.BadgesEnabled)
+}
+
 func (srv *UserService) MigrateMd5Password(user *models.User, login *models.Login) (*models.User, error) {
 	user.Password = login.Password
-	if err := utils.HashPassword(user, srv.Config.PasswordSalt); err != nil {
+	if hash, err := utils.HashBcrypt(user.Password, srv.Config.Security.PasswordSalt); err != nil {
 		return nil, err
+	} else {
+		user.Password = hash
 	}
-
-	result := srv.Db.Model(user).Update("password", user.Password)
-	if err := result.Error; err != nil {
-		return nil, err
-	} else if result.RowsAffected < 1 {
-		return nil, errors.New("nothing changes")
-	}
-
-	return user, nil
+	return srv.repository.UpdateField(user, "password", user.Password)
 }
--- a/static/assets/app.js
+++ b/static/assets/app.js
@ -1,10 +1,21 @@
 const SHOW_TOP_N = 10
-const CHART_TARGET_SIZE = 170
+const CHART_TARGET_SIZE = 200

 const projectsCanvas = document.getElementById('chart-projects')
 const osCanvas = document.getElementById('chart-os')
 const editorsCanvas = document.getElementById('chart-editor')
 const languagesCanvas = document.getElementById('chart-language')
+const machinesCanvas = document.getElementById('chart-machine')
+
+const projectContainer = document.getElementById('project-container')
+const osContainer = document.getElementById('os-container')
+const editorContainer = document.getElementById('editor-container')
+const languageContainer = document.getElementById('language-container')
+const machineContainer = document.getElementById('machine-container')
+
+const containers = [projectContainer, osContainer, editorContainer, languageContainer, machineContainer]
+const canvases = [projectsCanvas, osCanvas, editorsCanvas, languagesCanvas, machinesCanvas]
+const data = [wakapiData.projects, wakapiData.operatingSystems, wakapiData.editors, wakapiData.languages, wakapiData.machines]

 let charts = []
 let resizeCount = 0
@ -28,11 +39,6 @@ String.prototype.toHHMMSS = function () {
 }

 function draw() {
-    let titleOptions = {
-        display: true,
-        fontSize: 16
-    }
-
    function getTooltipOptions(key, type) {
        return {
            mode: 'single',
@ -48,102 +54,158 @@ function draw() {

    charts.forEach(c => c.destroy())

-    let projectChart = new Chart(projectsCanvas.getContext('2d'), {
-        type: 'horizontalBar',
-        data: {
-            datasets: wakapiData.projects
-                .slice(0, Math.min(SHOW_TOP_N, wakapiData.projects.length))
-                .map(p => {
-                    return {
-                        label: p.key,
-                        data: [parseInt(p.total)],
-                        backgroundColor: getRandomColor(p.key)
-                    }
-                })
-        },
-        options: {
-            title: Object.assign(titleOptions, {text: `Projects (top ${SHOW_TOP_N})`}),
-            tooltips: getTooltipOptions('projects', 'bar'),
-            legend: {
-                display: false
+    let projectChart = !projectsCanvas.classList.contains('hidden')
+        ? new Chart(projectsCanvas.getContext('2d'), {
+            type: 'horizontalBar',
+            data: {
+                datasets: wakapiData.projects
+                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.projects.length))
+                    .map(p => {
+                        return {
+                            label: p.key,
+                            data: [parseInt(p.total) / 60],
+                            backgroundColor: getRandomColor(p.key)
+                        }
+                    })
            },
-            maintainAspectRatio: false,
-            onResize: onChartResize
-        }
-    })
+            options: {
+                tooltips: getTooltipOptions('projects', 'bar'),
+                legend: {
+                    display: false
+                },
+                scales: {
+                    xAxes: [{
+                        scaleLabel: {
+                            display: true,
+                            labelString: 'Minutes'
+                        }
+                    }]
+                },
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null

-    let osChart = new Chart(osCanvas.getContext('2d'), {
-        type: 'pie',
-        data: {
-            datasets: [{
-                data: wakapiData.operatingSystems
+    let osChart = !osCanvas.classList.contains('hidden')
+        ? new Chart(osCanvas.getContext('2d'), {
+            type: 'pie',
+            data: {
+                datasets: [{
+                    data: wakapiData.operatingSystems
+                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.operatingSystems.length))
+                        .map(p => parseInt(p.total)),
+                    backgroundColor: wakapiData.operatingSystems.map(p => getRandomColor(p.key))
+                }],
+                labels: wakapiData.operatingSystems
                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.operatingSystems.length))
-                    .map(p => parseInt(p.total)),
-                backgroundColor: wakapiData.operatingSystems.map(p => getRandomColor(p.key))
-            }],
-            labels: wakapiData.operatingSystems
-                .slice(0, Math.min(SHOW_TOP_N, wakapiData.operatingSystems.length))
-                .map(p => p.key)
-        },
-        options: {
-            title: Object.assign(titleOptions, {text: `Operating Systems (top ${SHOW_TOP_N})`}),
-            tooltips: getTooltipOptions('operatingSystems', 'pie'),
-            maintainAspectRatio: false,
-            onResize: onChartResize
-        }
-    })
+                    .map(p => p.key)
+            },
+            options: {
+                tooltips: getTooltipOptions('operatingSystems', 'pie'),
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null

-    let editorChart = new Chart(editorsCanvas.getContext('2d'), {
-        type: 'pie',
-        data: {
-            datasets: [{
-                data: wakapiData.editors
+    let editorChart = !editorsCanvas.classList.contains('hidden')
+        ? new Chart(editorsCanvas.getContext('2d'), {
+            type: 'pie',
+            data: {
+                datasets: [{
+                    data: wakapiData.editors
+                        .slice(0, Math.min(SHOW_TOP_N, wakapiData.editors.length))
+                        .map(p => parseInt(p.total)),
+                    backgroundColor: wakapiData.editors.map(p => getRandomColor(p.key))
+                }],
+                labels: wakapiData.editors
                    .slice(0, Math.min(SHOW_TOP_N, wakapiData.editors.length))
-                    .map(p => parseInt(p.total)),
-                backgroundColor: wakapiData.editors.map(p => getRandomColor(p.key))
-            }],
-            labels: wakapiData.editors
-                .slice(0, Math.min(SHOW_TOP_N, wakapiData.editors.length))
-                .map(p => p.key)
-        },
-        options: {
-            title: Object.assign(titleOptions, {text: `Editors (top ${SHOW_TOP_N})`}),
-            tooltips: getTooltipOptions('editors', 'pie'),
-            maintainAspectRatio: false,
-            onResize: onChartResize
-        }
-    })
+                    .map(p => p.key)
+            },
+            options: {
+                tooltips: getTooltipOptions('editors', 'pie'),
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null

-    let languageChart = new Chart(languagesCanvas.getContext('2d'), {
-        type: 'pie',
-        data: {
-            datasets: [{
-                data: wakapiData.languages
+    let languageChart = !languagesCanvas.classList.contains('hidden')
+        ? new Chart(languagesCanvas.getContext('2d'), {
+            type: 'pie',
+            data: {
+                datasets: [{
+                    data: wakapiData.languages
+                        .slice(0, Math.min(SHOW_TOP_N, 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))
-                    .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))
-                .map(p => p.key)
-        },
-        options: {
-            title: Object.assign(titleOptions, {text: `Languages (top ${SHOW_TOP_N})`}),
-            tooltips: getTooltipOptions('languages', 'pie'),
-            maintainAspectRatio: false,
-            onResize: onChartResize
-        }
-    })
+                    .map(p => p.key)
+            },
+            options: {
+                tooltips: getTooltipOptions('languages', 'pie'),
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null
+
+    let machineChart = !machinesCanvas.classList.contains('hidden')
+        ? new Chart(machinesCanvas.getContext('2d'), {
+            type: 'pie',
+            data: {
+                datasets: [{
+                    data: wakapiData.machines
+                        .slice(0, Math.min(SHOW_TOP_N, 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))
+                    .map(p => p.key)
+            },
+            options: {
+                tooltips: getTooltipOptions('machines', 'pie'),
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null

    getTotal(wakapiData.operatingSystems)
-    document.getElementById('grid-container').style.visibility = 'visible'

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

    charts.forEach(c => c.options.onResize(c.chart))
    equalizeHeights()
 }

+function setTopLabels() {
+    [...document.getElementsByClassName('top-label')]
+        .forEach(e => e.innerText = `(top ${SHOW_TOP_N})`)
+}
+
+function togglePlaceholders(mask) {
+    const placeholderElements = containers.map(c => c.querySelector('.placeholder-container'))
+
+    for (let i = 0; i < mask.length; i++) {
+        if (!mask[i]) {
+            canvases[i].classList.add('hidden')
+            placeholderElements[i].classList.remove('hidden')
+        } else {
+            canvases[i].classList.remove('hidden')
+            placeholderElements[i].classList.add('hidden')
+        }
+    }
+}
+
+function getPresentDataMask() {
+    return data.map(list => list ? list.reduce((acc, e) => acc + e.total, 0) : 0 > 0)
+}
+
 function getContainer(chart) {
    return chart.canvas.parentNode
 }
@ -180,8 +242,8 @@ function equalizeHeights() {
    })
 }

-function getTotal(data) {
-    let total = data.reduce((acc, d) => acc + d.total, 0)
+function getTotal(items) {
+    let total = items.reduce((acc, d) => acc + d.total, 0)
    document.getElementById('total-span').innerText = total.toString().toHHMMSS()
 }

@ -227,7 +289,7 @@ if (favicon) {
 }

 // Click outside
-window.addEventListener('click', function(event) {
+window.addEventListener('click', function (event) {
    if (event.target.classList.contains('popup')) {
        return
    }
@ -238,5 +300,8 @@ window.addEventListener('click', function(event) {
 })

 window.addEventListener('load', function () {
+    setTopLabels()
+    togglePlaceholders(getPresentDataMask())
    draw()
-})
+})
+
--- a/static/assets/images/no_data.svg
+++ b/static/assets/images/no_data.svg
--- a/utils/auth.go
+++ b/utils/auth.go
@ -5,6 +5,7 @@ import (
 	"encoding/base64"
 	"encoding/hex"
 	"errors"
+	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"golang.org/x/crypto/bcrypt"
 	"net/http"
@ -45,13 +46,13 @@ func ExtractBearerAuth(r *http.Request) (key string, err error) {
 	return string(keyBytes), err
 }

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

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

@ -62,28 +63,29 @@ func IsMd5(hash string) bool {
 	return md5Regex.Match([]byte(hash))
 }

-func CheckPasswordBcrypt(user *models.User, password, salt string) bool {
-	plainPassword := []byte(strings.TrimSpace(password) + salt)
-	err := bcrypt.CompareHashAndPassword([]byte(user.Password), plainPassword)
+func CompareBcrypt(wanted, actual, pepper string) bool {
+	plainPassword := []byte(strings.TrimSpace(actual) + pepper)
+	err := bcrypt.CompareHashAndPassword([]byte(wanted), plainPassword)
 	return err == nil
 }

 // deprecated, only here for backwards compatibility
-func CheckPasswordMd5(user *models.User, password string) bool {
-	hash := md5.Sum([]byte(password))
-	hashStr := hex.EncodeToString(hash[:])
-	if hashStr == user.Password {
-		return true
-	}
-	return false
+func CompareMd5(wanted, actual, pepper string) bool {
+	return HashMd5(actual, pepper) == wanted
 }

-// inplace
-func HashPassword(u *models.User, salt string) error {
-	plainSaltedPassword := []byte(strings.TrimSpace(u.Password) + salt)
-	bytes, err := bcrypt.GenerateFromPassword(plainSaltedPassword, bcrypt.DefaultCost)
+func HashBcrypt(plain, pepper string) (string, error) {
+	plainPepperedPassword := []byte(strings.TrimSpace(plain) + pepper)
+	bytes, err := bcrypt.GenerateFromPassword(plainPepperedPassword, bcrypt.DefaultCost)
 	if err == nil {
-		u.Password = string(bytes)
+		return string(bytes), nil
 	}
-	return err
+	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/common.go
+++ b/utils/common.go
@ -2,11 +2,8 @@ package utils

 import (
 	"errors"
-	"fmt"
 	"regexp"
 	"time"
-
-	"github.com/muety/wakapi/models"
 )

 func ParseDate(date string) (time.Time, error) {
@ -22,49 +19,10 @@ func FormatDateHuman(date time.Time) string {
 }

 func ParseUserAgent(ua string) (string, string, error) {
-	re := regexp.MustCompile(`^wakatime\/[\d+.]+\s\((\w+).*\)\s.+\s(\w+)\/.+$`)
+	re := regexp.MustCompile(`(?iU)^wakatime\/[\d+.]+\s\((\w+)-.*\)\s.+\s([^\/\s]+)-wakatime\/.+$`)
 	groups := re.FindAllStringSubmatch(ua, -1)
 	if len(groups) == 0 || len(groups[0]) != 3 {
 		return "", "", errors.New("failed to parse user agent string")
 	}
 	return groups[0][1], groups[0][2], nil
 }
-
-func MakeConnectionString(config *models.Config) string {
-	switch config.DbDialect {
-	case "mysql":
-		return mySqlConnectionString(config)
-	case "postgres":
-		return postgresConnectionString(config)
-	case "sqlite3":
-		return sqliteConnectionString(config)
-	}
-	return ""
-}
-
-func mySqlConnectionString(config *models.Config) string {
-	location, _ := time.LoadLocation("Local")
-	return fmt.Sprintf(
-		"%s:%s@tcp(%s:%d)/%s?charset=utf8&parseTime=true&loc=%s",
-		config.DbUser,
-		config.DbPassword,
-		config.DbHost,
-		config.DbPort,
-		config.DbName,
-		location.String(),
-	)
-}
-
-func postgresConnectionString(config *models.Config) string {
-	return fmt.Sprintf("host=%s port=%d user=%s dbname=%s password=%s sslmode=disable",
-		config.DbHost,
-		config.DbPort,
-		config.DbUser,
-		config.DbName,
-		config.DbPassword,
-	)
-}
-
-func sqliteConnectionString(config *models.Config) string {
-	return config.DbName
-}
--- a/utils/common_test.go
+++ b/utils/common_test.go
@ -0,0 +1,50 @@
+package utils
+
+import (
+	"errors"
+	"testing"
+)
+
+func TestParseUserAgent(t *testing.T) {
+	tests := []struct {
+		in        string
+		outOs     string
+		outEditor string
+		outError  error
+	}{
+		{
+			"wakatime/13.0.7 (Linux-4.15.0-96-generic-x86_64-with-glibc2.4) Python3.8.0.final.0 GoLand/2019.3.4 GoLand-wakatime/11.0.1",
+			"Linux",
+			"GoLand",
+			nil,
+		},
+		{
+			"wakatime/13.0.4 (Linux-5.4.64-x86_64-with-glibc2.2.5) Python3.7.6.final.0 emacs-wakatime/1.0.2",
+			"Linux",
+			"emacs",
+			nil,
+		},
+		{
+			"",
+			"",
+			"",
+			errors.New(""),
+		},
+		{
+			"wakatime/13.0.7 Python3.8.0.final.0 GoLand/2019.3.4 GoLand-wakatime/11.0.1",
+			"",
+			"",
+			errors.New(""),
+		},
+	}
+
+	for i, test := range tests {
+		if os, editor, err := ParseUserAgent(test.in); os != test.outOs || editor != test.outEditor || !checkErr(test.outError, err) {
+			t.Errorf("[%d] Unexpected result of parsing '%s'; got '%v', '%v', '%v'", i, test.in, os, editor, err)
+		}
+	}
+}
+
+func checkErr(expected, actual error) bool {
+	return (expected == nil && actual == nil) || (expected != nil && actual != nil)
+}
--- a/utils/date.go
+++ b/utils/date.go
@ -1,10 +1,16 @@
 package utils

-import "time"
+import (
+	"fmt"
+	"time"
+)

-func StartOfDay() time.Time {
-	ref := time.Now()
-	return time.Date(ref.Year(), ref.Month(), ref.Day(), 0, 0, 0, 0, ref.Location())
+func StartOfToday() time.Time {
+	return StartOfDay(time.Now())
+}
+
+func StartOfDay(date time.Time) time.Time {
+	return time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
 }

 func StartOfWeek() time.Time {
@ -23,6 +29,29 @@ func StartOfYear() time.Time {
 	return time.Date(ref.Year(), time.January, 1, 0, 0, 0, 0, ref.Location())
 }

+func SplitRangeByDays(from time.Time, to time.Time) [][]time.Time {
+	intervals := make([][]time.Time, 0)
+
+	for t1 := from; t1.Before(to); {
+		t2 := StartOfDay(t1).Add(24 * time.Hour)
+		if t2.After(to) {
+			t2 = to
+		}
+		intervals = append(intervals, []time.Time{t1, t2})
+		t1 = t2
+	}
+
+	return intervals
+}
+
+func FmtWakatimeDuration(d time.Duration) string {
+	d = d.Round(time.Minute)
+	h := d / time.Hour
+	d -= h * time.Hour
+	m := d / time.Minute
+	return fmt.Sprintf("%d hrs %d mins", h, m)
+}
+
 // https://stackoverflow.com/a/18632496
 func firstDayOfISOWeek(year int, week int, timezone *time.Location) time.Time {
 	date := time.Date(year, 0, 0, 0, 0, 0, 0, timezone)
--- a/utils/http.go
+++ b/utils/http.go
@ -2,6 +2,7 @@ package utils

 import (
 	"encoding/json"
+	"log"
 	"net/http"
 )

@ -9,7 +10,7 @@ func RespondJSON(w http.ResponseWriter, status int, object interface{}) {
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(status)
 	if err := json.NewEncoder(w).Encode(object); err != nil {
-		w.WriteHeader(http.StatusInternalServerError)
+		log.Printf("error while writing json response: %v", err)
 	}
 }

--- a/utils/strings.go
+++ b/utils/strings.go
@ -8,3 +8,12 @@ import (
 func Capitalize(s string) string {
 	return fmt.Sprintf("%s%s", strings.ToUpper(s[:1]), s[1:])
 }
+
+func FindString(needle string, haystack []string, defaultVal string) string {
+	for _, s := range haystack {
+		if s == needle {
+			return s
+		}
+	}
+	return defaultVal
+}
--- a/utils/summary.go
+++ b/utils/summary.go
@ -0,0 +1,69 @@
+package utils
+
+import (
+	"errors"
+	"github.com/muety/wakapi/models"
+	"net/http"
+	"time"
+)
+
+func ResolveInterval(interval string) (err error, from, to time.Time) {
+	to = time.Now()
+
+	switch interval {
+	case models.IntervalToday:
+		from = StartOfToday()
+	case models.IntervalYesterday:
+		from = StartOfToday().Add(-24 * time.Hour)
+		to = StartOfToday()
+	case models.IntervalThisWeek:
+		from = StartOfWeek()
+	case models.IntervalThisMonth:
+		from = StartOfMonth()
+	case models.IntervalThisYear:
+		from = StartOfYear()
+	case models.IntervalPast7Days:
+		from = StartOfToday().AddDate(0, 0, -7)
+	case models.IntervalPast30Days:
+		from = StartOfToday().AddDate(0, 0, -30)
+	case models.IntervalPast12Months:
+		from = StartOfToday().AddDate(0, -12, 0)
+	case models.IntervalAny:
+		from = time.Time{}
+	default:
+		err = errors.New("invalid interval")
+	}
+
+	return err, from, to
+}
+
+func ParseSummaryParams(r *http.Request) (*models.SummaryParams, error) {
+	user := r.Context().Value(models.UserKey).(*models.User)
+	params := r.URL.Query()
+
+	var err error
+	var from, to time.Time
+
+	if interval := params.Get("interval"); interval != "" {
+		err, from, to = ResolveInterval(interval)
+	} else {
+		from, err = ParseDate(params.Get("from"))
+		if err != nil {
+			return nil, errors.New("missing 'from' parameter")
+		}
+
+		to, err = ParseDate(params.Get("to"))
+		if err != nil {
+			return nil, errors.New("missing 'to' parameter")
+		}
+	}
+
+	recompute := params.Get("recompute") != "" && params.Get("recompute") != "false"
+
+	return &models.SummaryParams{
+		From:      from,
+		To:        to,
+		User:      user,
+		Recompute: recompute,
+	}, nil
+}
--- a/version.txt
+++ b/version.txt
@ -1 +1 @@
-1.7.6
+1.14.1
--- a/views/foot.tpl.html
+++ b/views/foot.tpl.html
@ -2,11 +2,13 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.7.3/Chart.bundle.min.js"></script>

 <script>
+    const languageColors = {{ .LanguageColors | json }}
+
    let wakapiData = {}
-    let languageColors = {{ .LanguageColors | json }}
-        wakapiData.projects = {{ .Projects | json }}
-            wakapiData.operatingSystems = {{ .OperatingSystems | json }}
-                wakapiData.editors = {{ .Editors | json }}
-                    wakapiData.languages = {{ .Languages | json }}
+    wakapiData.projects = {{ .Projects | json }}
+    wakapiData.operatingSystems = {{ .OperatingSystems | json }}
+    wakapiData.editors = {{ .Editors | json }}
+    wakapiData.languages = {{ .Languages | json }}
+    wakapiData.machines = {{ .Machines | json }}
 </script>
 <script src="assets/app.js"></script>
--- a/views/footer.tpl.html
+++ b/views/footer.tpl.html
@ -1,6 +1,6 @@
 <footer class="flex justify-between w-full text-center text-gray-500 text-xs mt-12">
    <div class="text-xs font-mono">
-        v{{ getVersion }}
+        v{{ getVersion }} @ {{ getDbType }}
    </div>
    <div>
        Made with &nbsp; 🤍 &nbsp; by <a href="https://muetsch.io" class="border-b border-green-700">Ferdinand Mütsch</a> as <a
--- a/views/imprint.tpl.html
+++ b/views/imprint.tpl.html
@ -1,11 +1,12 @@
-<html>
+<!DOCTYPE html>
+<html lang="en">

 {{ template "head.tpl.html" . }}

 <body class="bg-gray-800 text-gray-700 p-4 pt-10 flex flex-col min-h-screen max-w-screen-xl mx-auto justify-center">
 <div class="w-full flex justify-center">
    <div class="flex items-center justify-between max-w-4xl flex-grow">
-        <div><a href="" class="text-gray-500 text-sm">&larr Go back</a></div>
+        <div><a href="" class="text-gray-500 text-sm">&larr; Go back</a></div>
        <div><h1 class="font-semibold text-2xl text-white m-0 border-b-4 border-green-700">Imprint & Data Privacy</h1>
        </div>
        <div></div>
--- a/views/index.tpl.html
+++ b/views/index.tpl.html
@ -1,4 +1,5 @@
-<html>
+<!DOCTYPE html>
+<html lang="en">

 {{ template "head.tpl.html" . }}

--- a/views/settings.tpl.html
+++ b/views/settings.tpl.html
@ -1,4 +1,5 @@
-<html>
+<!DOCTYPE html>
+<html lang="en">

 {{ template "head.tpl.html" . }}

@ -64,12 +65,129 @@
                </div>
            </form>
        </div>
+
+        <div class="w-full mt-4 mb-8 pb-8">
+            <div class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block">
+                Language Mappings
+            </div>
+            
+            <div class="text-gray-300 text-sm mb-4 mt-6">
+                You can specify custom mapping from file extensions to programming languages (e.g. a <span class="text-xs bg-gray-900 rounded py-1 px-2 font-mono">.jsx</span> file could be mapped to <span class="text-xs bg-gray-900 rounded py-1 px-2 font-mono">React</span>.
+            </div>
+
+            {{ if .LanguageMappings }}
+            {{ range $i, $mapping := .LanguageMappings }}
+            <div class="text-white border-1 w-full border-green-700 inline-block my-1 py-1 text-align">
+                <label class="inline-block text-sm mb-1 text-gray-500" >When filename ends in:</label>
+                {{ $mapping.Extension }}
+                <label class="inline-block text-sm mb-1 text-gray-500" >Change the language to:</label>
+                {{ $mapping.Language }}
+
+                <form class="float-right" action="settings/language_mappings/delete" method="post">
+                    <input type="hidden" id="mapping_id" name="mapping_id" required value="{{ $mapping.ID }}">
+                    <button type="submit" class="py-1 px-3 rounded bg-red-500 hover:bg-red-600 text-white text-sm">
+                        Remove
+                    </button>
+                </form>
+            </div>
+            {{end}}
+            {{else}}
+            <div class="text-white border-1 w-full border-green-700 inline-block my-1 py-1">
+                No rules.
+            </div>
+            {{end}}
+
+            <form action="settings/language_mappings" method="post">
+                <div class="inline-block justify-around mt-4 w-full">
+                    <label class="inline-block text-sm mb-1 text-gray-500" for="extension">When filename ends in:</label>
+                    <input class="shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded w-full py-1 px-3"
+                           type="text" id="extension"
+                           name="extension" placeholder=".py" minlength="1" required>
+                </div>
+                <div class="inline-block justify-around mt-4 w-full">
+                    <label class="inline-block text-sm mb-1 text-gray-500" for="language">Change the language to:</label>
+                    <input class="shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded w-full py-1 px-3"
+                           type="text" id="language"
+                           name="language" placeholder="Python" minlength="1" required>
+                </div>
+                <div class="flex justify-between float-right">
+                    <button type="submit" class="py-1 px-3 my-3 rounded bg-green-700 hover:bg-green-800 text-white text-sm">
+                        Add
+                    </button>
+                </div>
+            </form>
+
+        </div>
+
+        <div class="w-full mt-4 mb-8 pb-8">
+            <div class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block">
+                Badges
+            </div>
+
+            <form class="mt-6" action="settings/badges" method="post">
+                <div class="text-gray-300 text-sm mb-4">
+                    {{ if .User.BadgesEnabled }}
+                        <p>Badges are currently enabled. You can disable the feature by deactivating the respective API endpoint.</p>
+
+                        <div class="flex justify-around mt-4">
+                            <span class="font-mono font-normal bg-gray-900 p-1 rounded whitespace-no-wrap">GET /api/compat/shields/v1</span>
+                            <button type="submit" class="py-1 px-2 rounded bg-orange-700 hover:bg-orange-800 text-white text-xs" title="Disable support for badges to secure endpoint">
+                                Status: public
+                            </button>
+                        </div>
+
+                        <h3 class="font-semibold mb-2 mt-8">Examples</h3>
+                        <div class="flex flex-col mb-4">
+                            <div class="flex justify-between my-2">
+                                <div>
+                                    <img class="with-url-src" src="https://img.shields.io/endpoint?url=%s/api/compat/shields/v1/{{ .User.ID }}/interval:today&style=flat-square&color=blue&label=today" alt="Shields.io badge"/>
+                                </div>
+                                <span class="with-url-inner text-xs bg-gray-900 rounded py-1 px-2 font-mono whitespace-no-wrap overflow-auto" style="max-width: 300px;">
+                                    https://img.shields.io/endpoint?url=%s/api/compat/shields/v1/{{ .User.ID }}/interval:today&style=flat-square&color=blue&label=today
+                                </span>
+                            </div>
+                            <div class="flex justify-between my-2">
+                                <div>
+                                    <img class="with-url-src" src="https://img.shields.io/endpoint?url=%s/api/compat/shields/v1/{{ .User.ID }}/interval:30_days&style=flat-square&color=blue&label=last 30d" alt="Shields.io badge"/>
+                                </div>
+                                <span class="with-url-inner text-xs bg-gray-900 rounded py-1 px-2 font-mono whitespace-no-wrap overflow-auto" style="max-width: 300px;">
+                                    https://img.shields.io/endpoint?url=%s/api/compat/shields/v1/{{ .User.ID }}/interval:30_days&style=flat-square&color=blue&label=last 30d
+                                </span>
+                            </div>
+                        </div>
+
+                        <p>You can also add <span class="text-xs bg-gray-900 rounded py-1 px-2 font-mono">/project:your-cool-project</span> to the URL to filter by project.</p>
+                    {{ else }}
+                        <p>You have the ability to create badges from your coding statistics using <a href="https://shields.io" target="_blank" class="border-b border-green-800" rel="noopener noreferrer">Shields.io</a>. To do so, you need to grant public, unauthorized access to the respective endpoint.</p>
+                        <div class="flex justify-around mt-4">
+                            <span class="font-mono font-normal bg-gray-900 p-1 rounded whitespace-no-wrap">GET /api/compat/shields/v1</span>
+                            <button type="submit" class="py-1 px-2 rounded bg-green-700 hover:bg-green-800 text-white text-xs" title="Make endpoint public to enable badges">
+                                Status: protected
+                            </button>
+                        </div>
+                    {{ end }}
+                </div>
+            </form>
+        </div>
    </div>
 </main>

+<script type="text/javascript">
+    const baseUrl = location.href.substring(0, location.href.indexOf('/settings'))
+    document.querySelectorAll('.with-url-src').forEach(e => {
+        e.setAttribute('src', e.getAttribute('src').replace('%s', baseUrl))
+        e.classList.remove('hidden')
+    })
+    document.querySelectorAll('.with-url-inner').forEach(e => {
+        e.innerHTML = e.innerHTML.replace('%s', baseUrl)
+        e.classList.remove('hidden')
+    })
+</script>
+
 {{ template "footer.tpl.html" . }}

 {{ template "foot.tpl.html" . }}
 </body>

-</html>
+</html>
+
--- a/views/signup.tpl.html
+++ b/views/signup.tpl.html
@ -1,11 +1,12 @@
-<html>
+<!DOCTYPE html>
+<html lang="en">

 {{ template "head.tpl.html" . }}

 <body class="bg-gray-800 text-gray-700 p-4 pt-10 flex flex-col min-h-screen max-w-screen-xl mx-auto justify-center">
 <div class="w-full flex justify-center">
    <div class="flex items-center justify-between max-w-4xl flex-grow">
-        <div><a href="" class="text-gray-500 text-sm">&larr Go back</a></div>
+        <div><a href="" class="text-gray-500 text-sm">&larr; Go back</a></div>
        <div><h1 class="font-semibold text-2xl text-white m-0 border-b-4 border-green-700">Sign Up</h1></div>
        <div></div>
    </div>
@ -19,9 +20,11 @@
            <p class="text-sm text-gray-300">
                💡 In order to use Wakapi, you need to create an account.
                After successful signup, you still need to set up the <a href="https://wakatime.com" target="_blank"
+                                                                         rel="noopener noreferrer"
                                                                         class="border-b border-green-700">WakaTime</a>
                client tools.
                Please refer to <a href="https://github.com/muety/wakapi#client-setup" target="_blank"
+                                   rel="noopener noreferrer"
                                   class="border-b border-green-700">this readme section</a> for instructions.
                You will be able to view you <strong>API Key</strong> once you log in.
            </p>
--- a/views/summary.tpl.html
+++ b/views/summary.tpl.html
@ -1,4 +1,5 @@
-<html>
+<!DOCTYPE html>
+<html lang="en">

 {{ template "head.tpl.html" . }}

@ -36,13 +37,16 @@
    <h1 class="font-semibold text-2xl text-white m-0 border-b-4 border-green-700">Your Coding Statistics 🤓</h1>
 </div>

-<div class="text-white text-sm flex items-center justify-center mt-4">
-    <a href="summary?interval=today" class="m-1 border-b border-green-700">Today (live)</a>
-    <a href="summary?interval=day" class="m-1 border-b border-green-700">Yesterday</a>
-    <a href="summary?interval=week" class="m-1 border-b border-green-700">This Week</a>
-    <a href="summary?interval=month" class="m-1 border-b border-green-700">This Month</a>
-    <a href="summary?interval=year" class="m-1 border-b border-green-700">This Year</a>
-    <a href="summary?interval=any" class="m-1 border-b border-green-700">All Time</a>
+<div class="text-white text-sm flex items-center justify-center mt-4 self-center max-w-lg flex-wrap">
+    <a href="summary?interval=today" class="mx-2 my-1 border-b border-green-700">Today</a>
+    <a href="summary?interval=day" class="mx-2 my-1 border-b border-green-700">Yesterday</a>
+    <a href="summary?interval=week" class="mx-2 my-1 border-b border-green-700">This Week</a>
+    <a href="summary?interval=month" class="mx-2 my-1 border-b border-green-700">This Month</a>
+    <a href="summary?interval=year" class="mx-2 my-1 border-b border-green-700">This Year</a>
+    <a href="summary?interval=7_days" class="mx-2 my-1 border-b border-green-700">Past 7 Days</a>
+    <a href="summary?interval=30_days" class="mx-2 my-1 border-b border-green-700">Past 30 Days</a>
+    <a href="summary?interval=12_months" class="mx-2 my-1 border-b border-green-700">Past 12 Months</a>
+    <a href="summary?interval=any" class="mx-2 my-1 border-b border-green-700">All Time</a>
 </div>

 {{ template "alerts.tpl.html" . }}
@ -51,31 +55,76 @@
    <div class="flex justify-center">
        <div class="p-1">
            <div class="flex justify-center p-4 bg-white rounded shadow">
-                <p class="mx-2"><strong>▶️</strong> <span title="Start Time">{{ .FromTime | date }}</span></p>
-                <p class="mx-2"><strong>⏹</strong> <span title="End Time">{{ .ToTime | date }}</span></p>
+                <p class="mx-2"><strong>▶️</strong> <span title="Start Time">{{ .FromTime.T | date }}</span></p>
+                <p class="mx-2"><strong>⏹</strong> <span title="End Time">{{ .ToTime.T | date }}</span></p>
                <p class="mx-2"><strong>⏱</strong> <span id="total-span" title="Total Hours"></span></p>
            </div>
        </div>
    </div>
    <div class="flex flex-wrap justify-center">
        <div class="w-full lg:w-1/2 p-1">
-            <div class="p-4 bg-white rounded shadow m-2" id="projects-container" style="height: 300px">
+            <div class="p-4 pb-10 bg-white rounded shadow m-2 flex flex-col" id="project-container" style="height: 300px">
+                <div class="self-center flex">
+                    <span class="font-semibold mr-1">Projects</span>
+                    <span id="project-top-label" class="top-label"></span>
+                </div>
                <canvas id="chart-projects"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <img src="assets/images/no_data.svg" class="w-20" alt="No data"/>
+                    <span class="text-sm mt-4">No data available ...</span>
+                </div>
            </div>
        </div>
        <div class="w-full lg:w-1/2 p-1">
-            <div class="p-4 bg-white rounded shadow m-2" id="os-container" style="height: 300px">
+            <div class="p-4 pb-10 bg-white rounded shadow m-2 flex flex-col" id="os-container" style="height: 300px">
+                <div class="self-center flex">
+                    <span class="font-semibold mr-1">Operating Systems</span>
+                    <span id="os-top-label" class="top-label"></span>
+                </div>
                <canvas id="chart-os"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <img src="assets/images/no_data.svg" class="w-20" alt="No data"/>
+                    <span class="text-sm mt-4">No data available ...</span>
+                </div>
            </div>
        </div>
        <div class="w-full lg:w-1/2 p-1">
-            <div class="p-4 bg-white rounded shadow m-2 relative" id="language-container" style="height: 300px">
+            <div class="p-4 pb-10 bg-white rounded shadow m-2 flex flex-col relative" id="language-container" style="height: 300px">
+                <div class="self-center flex">
+                    <span class="font-semibold mr-1">Languages</span>
+                    <span id="language-top-label" class="top-label"></span>
+                </div>
                <canvas id="chart-language"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <img src="assets/images/no_data.svg" class="w-20" alt="No data"/>
+                    <span class="text-sm mt-4">No data available ...</span>
+                </div>
            </div>
        </div>
        <div class="w-full lg:w-1/2 p-1">
-            <div class="p-4 bg-white rounded shadow m-2" id="editor-container" style="height: 300px">
+            <div class="p-4 pb-10 bg-white rounded shadow m-2 flex flex-col" id="editor-container" style="height: 300px">
+                <div class="self-center flex">
+                    <span class="font-semibold mr-1">Editors</span>
+                    <span id="editor-top-label" class="top-label"></span>
+                </div>
                <canvas id="chart-editor"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <img src="assets/images/no_data.svg" class="w-20" alt="No data"/>
+                    <span class="text-sm mt-4">No data available ...</span>
+                </div>
+            </div>
+        </div>
+        <div class="w-full lg:w-1/2 p-1">
+            <div class="p-4 pb-10 bg-white rounded shadow m-2 flex flex-col" id="machine-container" style="height: 300px">
+                <div class="self-center flex">
+                    <span class="font-semibold mr-1">Machines</span>
+                    <span id="machine-top-label" class="top-label"></span>
+                </div>
+                <canvas id="chart-machine"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <img src="assets/images/no_data.svg" class="w-20" alt="No data"/>
+                    <span class="text-sm mt-4">No data available ...</span>
+                </div>
            </div>
        </div>
    </div>
Author	SHA1	Message	Date
Ferdinand Mütsch	b4d2ee7d16	fix: not creating language mappings table due to broken type definition in users model (resolve #69 ) chore: introduce foreign key constraints	2020-11-03 10:26:32 +01:00
Ferdinand Mütsch	1224024913	fix: postgres connection (resolve #70 )	2020-11-03 10:02:59 +01:00
Ferdinand Mütsch	8efc3854ab	refactor: migrate to latest gorm version refactor: language mappings implementation	2020-11-01 20:14:10 +01:00
Ferdinand Mütsch	755cabb5f4	refactor: introduce repositories as an additional layer of abstraction to allow for better testability	2020-11-01 16:56:36 +01:00
Ferdinand Mütsch	96ff490d8d	fix: crash when calling badge endpoint with no filters applied (resolve #66 )	2020-11-01 16:04:30 +01:00
Ferdinand Mütsch	68e66298b8	fix: postprocessing for alias keys not corresponding to an actual entity	2020-11-01 13:09:39 +01:00
Ferdinand Mütsch	c2d30826f6	fix: critical fixes related to alias resolution	2020-11-01 12:50:59 +01:00
Ferdinand Mütsch	861c81e414	docs: fix endpoint paths in readme (thanks @mlunax)	2020-10-27 21:06:41 +01:00
Ferdinand Mütsch	892d265c4d	chore: update version	2020-10-26 23:10:15 +01:00
Ferdinand Mütsch	e19761337f	Merge branch 'notarock/62'	2020-10-26 22:34:50 +01:00
Roch D'Amour	3f973a28ea	Fixed custom rule settings CSS	2020-10-26 00:27:07 -04:00
Roch D'Amour	86fc751e58	Cache rules per user, invalidate cache on update	2020-10-25 23:19:16 -04:00
Roch D'Amour	178c417757	Keep the old configuration rules behaviour	2020-10-25 23:02:28 -04:00
Roch D'Amour	395d039d41	General cleanup and fixed PR comments	2020-10-25 22:18:33 -04:00
Roch D'Amour	fdf2289f8e	MVP for custom rules support	2020-10-25 21:51:06 -04:00
Roch D'Amour	06b3fdd17c	Improved Dockerfile and docker-compose for dev	2020-10-25 02:21:41 -04:00
Ferdinand Mütsch	4506493353	docs: fix badges	2020-10-18 13:42:59 +02:00
Ferdinand Mütsch	11728b80ac	docs: update url	2020-10-17 13:37:43 +02:00
Ferdinand Mütsch	b7c7817923	docs: display latest release as badge	2020-10-16 17:07:35 +02:00
Ferdinand Mütsch	c78ee5465c	chore: display database type	2020-10-16 16:58:16 +02:00
Ferdinand Mütsch	4336d732c9	docs: update readme	2020-10-16 16:51:11 +02:00
Ferdinand Mütsch	177cbb12fc	chore: make aggregation time configurable (resolve #60 )	2020-10-16 16:21:19 +02:00
Ferdinand Mütsch	a4c344aaa1	chore: minor code restyling	2020-10-16 16:11:14 +02:00
Ferdinand Mütsch	c575b2fd5c	fix: json serialization error when percentage is nan	2020-10-16 15:16:43 +02:00
Ferdinand Mütsch	67a59561c8	fix: use custom date for summary model to support sqlite deserialization	2020-10-16 14:49:22 +02:00
Ferdinand Mütsch	f7520b2b4a	fix: timestamp precision	2020-10-16 12:49:36 +02:00
Ferdinand Mütsch	54a944ec41	fix: critical summary computation bug (faulty intervals) fix: doubly included heartbeats fix: cross-day heartbeats are ignored for consistency	2020-10-16 12:00:20 +02:00
Ferdinand Mütsch	44b6efb6ee	chore: add random seed to generator script	2020-10-16 11:59:08 +02:00
Ferdinand Mütsch	efd4764728	fix: sample data script	2020-10-11 09:55:01 +02:00
Ferdinand Mütsch	dd50b4076f	docs: include sonarcloud badges	2020-10-09 21:47:18 +02:00
Ferdinand Mütsch	21b822de42	chore: minor code enhancements	2020-10-09 21:37:20 +02:00
Ferdinand Mütsch	4d22756b8a	fix: stop tracking legacy config file	2020-10-04 12:20:15 +02:00
Ferdinand Mütsch	c54f2743fd	fix: add legacy config again for backwards-compatibility	2020-10-04 12:16:42 +02:00
Ferdinand Mütsch	a8d5d69629	chore: update build workflow to exclude certain directories	2020-10-04 12:08:58 +02:00
Ferdinand Mütsch	0111aa7543	Merge branch 'master' into stable	2020-10-04 11:54:02 +02:00
Ferdinand Mütsch	3bafde7ab1	fix: adapt docker image to new config format	2020-10-04 11:52:52 +02:00
Ferdinand Mütsch	b378597594	fix: define flags on init chore: remove deprecated config files	2020-10-04 11:47:31 +02:00
Ferdinand Mütsch	29619f09ed	docs: update docs for new config format	2020-10-04 11:35:23 +02:00
Ferdinand Mütsch	ff3fea0359	feat: introduce legacy config migration	2020-10-04 11:14:44 +02:00
Ferdinand Mütsch	660fefcca9	refactor: migrate to new config (resolve #54 )	2020-10-04 10:37:38 +02:00
Ferdinand Mütsch	2ecbb3ea02	fix: user agent strign parsing (fix #53 )	2020-09-29 18:58:10 +02:00
Ferdinand Mütsch	f843be8d12	refactor: move config to separate package chore: load config from main method	2020-09-29 18:55:07 +02:00
Ferdinand Mütsch	062a9c6f57	Merge remote-tracking branch 'origin/master'	2020-09-12 16:58:31 +02:00
Ferdinand Mütsch	1c0e63e125	chore: restrict badge access by user agent	2020-09-12 16:58:22 +02:00
Ferdinand Mütsch	45f372168d	docs: readme	2020-09-12 16:50:51 +02:00
Ferdinand Mütsch	0760be86ff	Merge branch 'master' into stable	2020-09-12 16:40:50 +02:00
Ferdinand Mütsch	6e2f3e6731	fix: attempt to fix invalid fixture query for postgres (fix #52 )	2020-09-12 16:32:43 +02:00
Ferdinand Mütsch	d60dddb550	feat: implement badges endpoint and sharing functionality	2020-09-12 16:09:23 +02:00
Ferdinand Mütsch	19a8c61f77	feat: add more pre-configured intervals (resolve #51 )	2020-09-12 12:40:38 +02:00
Ferdinand Mütsch	fde8c35362	docs: include github project card for exporter repo	2020-09-12 09:21:04 +02:00
Ferdinand Mütsch	8dca9f5cc0	chore: parallel summary conversion	2020-09-12 00:20:16 +02:00
Ferdinand Mütsch	570aeebe01	docs: document prometheus export	2020-09-11 23:51:46 +02:00
Ferdinand Mütsch	21567e7601	feat: implement summaries compat endpoint (resolve #44 ) fix: fix all time view model	2020-09-11 23:24:51 +02:00
Ferdinand Mütsch	a8009e107d	fix: support project query param for alltime endpoint	2020-09-11 20:22:33 +02:00
Ferdinand Mütsch	84e9559860	fix: all time data model	2020-09-06 17:20:37 +02:00
Ferdinand Mütsch	7c8ea86d4e	docs: document api endpoints in readme	2020-09-06 12:25:12 +02:00
Ferdinand Mütsch	587ac6a330	feat: add wakatime-compatible alltime endpoint	2020-09-06 12:15:46 +02:00
Ferdinand Mütsch	97cb29ee4d	feat: show placeholders when no data is available (resolve #42 ) feat: add jsx as custom language by default (resolve #50)	2020-08-30 16:51:37 +02:00
Ferdinand Mütsch	cecb5e113c	chore: remove debug comments	2020-08-30 01:45:01 +02:00
Ferdinand Mütsch	a059c637a7	Merge branch 'master' into stable	2020-08-30 01:43:05 +02:00
Ferdinand Mütsch	75b33d5e42	fix: save heartbeats and summaries with millisecond time precision (resolve #49 )	2020-08-30 01:42:00 +02:00
Ferdinand Mütsch	50b7a9ec3d	fix: column definition in migration	2020-08-30 01:24:27 +02:00
Ferdinand Mütsch	82ed386359	fix: generate dummy items for missing types in historic summary data	2020-08-29 23:16:21 +02:00
Ferdinand Mütsch	12cc4cd9cf	feat: introduce machine summaries (resolve #48 )	2020-08-29 22:03:01 +02:00
 @ -1 +1 @@
 .7.6
 .14.1