chore: bump version

chore: persist raw user agent value
fix: properly format x axis for durations (see #232 )
2023-08-10 21:12:56 +03:00 · 2021-08-29 10:54:26 +02:00 · 2021-08-29 10:54:00 +02:00 · 2021-08-29 10:32:23 +02:00 · 2021-08-29 11:10:54 +10:00 · 2021-08-21 09:35:45 +02:00
81 changed files with 6733 additions and 1249 deletions
--- a/.github/ISSUE_TEMPLATE/bug.md
+++ b/.github/ISSUE_TEMPLATE/bug.md
@ -0,0 +1,19 @@
+---
+name: Bug
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is. Please briefly describe how to reproduce the bug as well as _expected_ vs. _actual_ behavior. Optionally include screenshots and server logs, if helpful.
+
+**System information**
+Please provide information on:
+* Wakapi version
+* Operating system
+    * If Linux: which distro?
+    * If Docker: which image and tag?
+* Database (SQLite, MySQL, ... ?)
--- a/.github/ISSUE_TEMPLATE/other.md
+++ b/.github/ISSUE_TEMPLATE/other.md
@ -0,0 +1,10 @@
+---
+name: Other (feature request, question, ...)
+about: Anything else
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@ -14,6 +14,9 @@ jobs:
      - name: Get version
        run: echo "GIT_TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV

+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v1

@ -38,5 +41,18 @@ jobs:
          tags: |
            n1try/wakapi:${{ env.GIT_TAG }}
            n1try/wakapi:latest
+          platforms: linux/amd64,linux/arm64
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache
+
+      - name: Build and push to Docker Hub (Alpine)
+        uses: docker/build-push-action@v2
+        with:
+          file: Dockerfile.alpine
+          push: true
+          tags: |
+            n1try/wakapi:${{ env.GIT_TAG }}-alpine
+            n1try/wakapi:latest-alpine
+          platforms: linux/amd64,linux/arm64
          cache-from: type=local,src=/tmp/.buildx-cache
          cache-to: type=local,dest=/tmp/.buildx-cache
--- a/.gitignore
+++ b/.gitignore
@ -7,6 +7,7 @@ build
 *.db
 config*.yml
 !config.default.yml
+!testing/config.testing.yml
 pkged.go
 package.json
 yarn.lock
--- a/3
+++ b/3
@ -29,7 +29,8 @@ FROM debian
 WORKDIR /app

 RUN apt update && \
-    apt install -y ca-certificates
+    apt install -y ca-certificates && \
+    rm -rf /var/lib/apt/lists/*

 # See README.md and config.default.yml for all config options
 ENV ENVIRONMENT prod
--- a/Dockerfile.alpine
+++ b/Dockerfile.alpine
@ -0,0 +1,52 @@
+# Build Stage
+
+FROM golang:1.16-alpine AS build-env
+WORKDIR /src
+
+# Required for go-sqlite3
+RUN apk add gcc musl-dev
+
+ADD ./go.mod .
+RUN go mod download
+
+RUN wget "https://raw.githubusercontent.com/vishnubob/wait-for-it/master/wait-for-it.sh" -O wait-for-it.sh && \
+    chmod +x wait-for-it.sh
+
+ADD . .
+RUN go build -o wakapi
+
+WORKDIR /app
+RUN cp /src/wakapi . && \
+    cp /src/config.default.yml config.yml && \
+    sed -i 's/listen_ipv6: ::1/listen_ipv6: /g' config.yml && \
+    cp /src/wait-for-it.sh . && \
+    cp /src/entrypoint.sh .
+
+# Run Stage
+
+# When running the application using `docker run`, you can pass environment variables
+# to override config values using `-e` syntax.
+# Available options can be found in [README.md#-configuration](README.md#-configuration)
+
+FROM alpine:3
+WORKDIR /app
+
+RUN apk update && apk add bash ca-certificates tzdata && rm -rf /var/cache/apk
+
+# See README.md and config.default.yml for all config options
+ENV ENVIRONMENT prod
+ENV WAKAPI_DB_TYPE sqlite3
+ENV WAKAPI_DB_USER ''
+ENV WAKAPI_DB_PASSWORD ''
+ENV WAKAPI_DB_HOST ''
+ENV WAKAPI_DB_NAME=/data/wakapi.db
+ENV WAKAPI_PASSWORD_SALT ''
+ENV WAKAPI_LISTEN_IPV4 '0.0.0.0'
+ENV WAKAPI_INSECURE_COOKIES 'true'
+ENV WAKAPI_ALLOW_SIGNUP 'true'
+
+COPY --from=build-env /app .
+
+VOLUME /data
+
+ENTRYPOINT /app/entrypoint.sh
--- a/README.md
+++ b/README.md
@ -4,14 +4,13 @@

 <p align="center">
  <img src="https://badges.fw-web.space/github/license/muety/wakapi">
-  <a href="https://saythanks.io/to/n1try"><img src="https://badges.fw-web.space/badge/SayThanks.io-%E2%98%BC-1EAEDB.svg"></a>
  <a href="https://liberapay.com/muety/"><img src="https://badges.fw-web.space/liberapay/receives/muety.svg?logo=liberapay"></a>
  <img src="https://badges.fw-web.space/endpoint?url=https://wakapi.dev/api/compat/shields/v1/n1try/interval:any/project:wakapi&color=blue&label=wakapi">
+  <img src="https://badges.fw-web.space/github/languages/code-size/muety/wakapi">
 </p>

 <p align="center">
  <a href="https://goreportcard.com/report/github.com/muety/wakapi"><img src="https://goreportcard.com/badge/github.com/muety/wakapi"></a>
-  <img src="https://badges.fw-web.space/github/languages/code-size/muety/wakapi">
  <a href="https://sonarcloud.io/dashboard?id=muety_wakapi"><img src="https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=sqale_index"></a>
  <a href="https://sonarcloud.io/dashboard?id=muety_wakapi"><img src="https://sonarcloud.io/api/project_badges/measure?project=muety_wakapi&metric=ncloc"></a>
 </p>
@ -24,7 +23,7 @@
    <span> | </span>
    <a href="#-features">Features</a>
    <span> | </span>
-    <a href="#-how-to-use">How to use</a>
+    <a href="#%EF%B8%8F-how-to-use">How to use</a>
    <span> | </span>
    <a href="https://github.com/muety/wakapi/issues">Issues</a>
    <span> | </span>
@ -45,6 +44,7 @@
 * [API Endpoints](#-api-endpoints)
 * [Integrations](#-integrations)
 * [Best Practices](#-best-practices)
+* [Tests](#-tests)
 * [Developer Notes](#-developer-notes)
 * [Support](#-support)
 * [FAQs](#-faqs)
@ -59,6 +59,7 @@ I'd love to get some community feedback from active Wakapi users. If you want, p
 * ✅ Built by developers for developers
 * ✅ Statistics for projects, languages, editors, hosts and operating systems
 * ✅ Badges
+* ✅ Weekly E-Mail Reports
 * ✅ REST API
 * ✅ Partially compatible with WakaTime
 * ✅ WakaTime integration
@ -131,8 +132,8 @@ Wakapi relies on the open-source [WakaTime](https://github.com/wakatime/wakatime
 ```ini
 [settings]

-# Your Wakapi server URL or 'https://wakapi.dev/api' when using the cloud server
-api_url = http://localhost:3000/api
+# Your Wakapi server URL or 'https://wakapi.dev' when using the cloud server
+api_url = http://localhost:3000/api/heartbeat

 # Your Wakapi API key (get it from the web interface after having created an account)
 api_key = 406fe41f-6d69-4183-a4cc-121e0c524c2b
@ -150,6 +151,8 @@ You can specify configuration options either via a config file (default: `config
 | `server.port`               | `WAKAPI_PORT`               | `3000`         | Port to listen on                                                   |
 | `server.listen_ipv4`        | `WAKAPI_LISTEN_IPV4`        | `127.0.0.1`    | IPv4 network address to listen on (leave blank to disable IPv4)     |
 | `server.listen_ipv6`        | `WAKAPI_LISTEN_IPV6`        | `::1`          | IPv6 network address to listen on (leave blank to disable IPv6)     |
+| `server.listen_socket`      | `WAKAPI_LISTEN_SOCKET`      | -              | UNIX socket to listen on (leave blank to disable UNIX socket)       |
+| `server.timeout_sec`        | `WAKAPI_TIMEOUT_SEC`        | `30`           | Request timeout in seconds       |
 | `server.tls_cert_path`      | `WAKAPI_TLS_CERT_PATH`      | -              | Path of SSL server certificate (leave blank to not use HTTPS)       |
 | `server.tls_key_path`       | `WAKAPI_TLS_KEY_PATH`       | -              | Path of SSL server private key (leave blank to not use HTTPS)       |
 | `server.base_path`          | `WAKAPI_BASE_PATH`          | `/`            | Web base path (change when running behind a proxy under a sub-path) |
@ -171,8 +174,8 @@ You can specify configuration options either via a config file (default: `config
 | `mail.enabled`              | `WAKAPI_MAIL_ENABLED`       | `true`         | Whether to allow Wakapi to send e-mail (e.g. for password resets) |
 | `mail.sender`               | `WAKAPI_MAIL_SENDER`        | `noreply@wakapi.dev` | Default sender address for outgoing mails (ignored for MailWhale) |
 | `mail.provider`             | `WAKAPI_MAIL_PROVIDER`      | `smtp`         | Implementation to use for sending mails (one of [`smtp`, `mailwhale`]) |
-| `mail.smtp.*`               | `WAKAPI_MAIL_SMTP_*`        | `-`            | Various options to configure SMTP. See [default config](config.default.yaml) for details |
-| `mail.mailwhale.*`          | `WAKAPI_MAIL_MAILWHALE_*`   | `-`            | Various options to configure [MailWhale](https://mailwhale.dev) sending service. See [default config](config.default.yaml) for details |
+| `mail.smtp.*`               | `WAKAPI_MAIL_SMTP_*`        | `-`            | Various options to configure SMTP. See [default config](config.default.yml) for details |
+| `mail.mailwhale.*`          | `WAKAPI_MAIL_MAILWHALE_*`   | `-`            | Various options to configure [MailWhale](https://mailwhale.dev) sending service. See [default config](config.default.yml) for details |
 | `sentry.dsn`                | `WAKAPI_SENTRY_DSN`         | –              | DSN for to integrate [Sentry](https://sentry.io) for error logging and tracing (leave empty to disable) |
 | `sentry.enable_tracing`     | `WAKAPI_SENTRY_TRACING`     | `false`        | Whether to enable Sentry request tracing                           |
 | `sentry.sample_rate`        | `WAKAPI_SENTRY_SAMPLE_RATE` | `0.75`         | Probability of tracing a request in Sentry                         |
@ -282,12 +285,40 @@ Preview:
 It is recommended to use wakapi behind a **reverse proxy**, like [Caddy](https://caddyserver.com) or _nginx_ to enable **TLS encryption** (HTTPS).
 However, if you want to expose your wakapi instance to the public anyway, you need to set `server.listen_ipv4` to `0.0.0.0` in `config.yml`

-## 🤓 Developer Notes
-### Running tests
+## 🧪 Tests
+### Unit Tests
+Unit tests are supposed to test business logic on a fine-grained level. They are implemented as part of the application, using Go's [testing](https://pkg.go.dev/testing?utm_source=godoc) package alongside [stretchr/testify](https://pkg.go.dev/github.com/stretchr/testify).
+
+#### How to run
 ```bash
-CGO_FLAGS="-g -O2 -Wno-return-local-addr" go test -json -coverprofile=coverage/coverage.out ./... -run ./...
+$ CGO_FLAGS="-g -O2 -Wno-return-local-addr" go test -json -coverprofile=coverage/coverage.out ./... -run ./...
 ```

+### API Tests
+API tests are implemented as black box tests, which interact with a fully-fledged, standalone Wakapi through HTTP requests. They are supposed to check Wakapi's web stack and endpoints, including response codes, headers and data on a syntactical level, rather than checking the actual content that is returned.
+
+Our API (or end-to-end, in some way) tests are implemented as a [Postman](https://www.postman.com/) collection and can be run either from inside Postman, or using [newman](https://www.npmjs.com/package/newman) as a command-line runner.
+
+To get a predictable environment, tests are run against a fresh and clean Wakapi instance with a SQLite database that is populated with nothing but some seed data (see [data.sql](testing/data.sql)). It is usually recommended for software tests to be [safe](https://www.restapitutorial.com/lessons/idempotency.html), stateless and without side effects. In contrary to that paradigm, our API tests strictly require a fixed execution order (which Postman assures) and their assertions may rely on specific previous tests having succeeded.
+
+#### Prerequisites (Linux only)
+```bash
+# 1. sqlite (cli)
+$ sudo apt install sqlite  # Fedora: sudo dnf install sqlite
+
+# 2. screen
+$ sudo apt install screen  # Fedora: sudo dnf install screen
+
+# 3. newman
+$ npm install -g newman
+```
+
+#### How to run (Linux only) 
+```bash
+$ ./testing/run_api_tests.sh
+```
+
+## 🤓 Developer Notes
 ### Building web assets
 To keep things minimal, Wakapi does not contain a `package.json`, `node_modules` or any sort of frontend build step. Instead, all JS and CSS assets are included as static files and checked in to Git. This way we can avoid requiring NodeJS to build Wakapi. However, for [TailwindCSS](https://tailwindcss.com/docs/installation#building-for-production) it makes sense to run it through a "build" step to benefit from purging and significantly reduce it in size. To only require this at the time of development, the compiled asset is checked in to Git as well. Similarly, [Iconify](https://iconify.design/docs/icon-bundles/) bundles are also created at development time and checked in to the repo. 

@ -381,7 +412,11 @@ Wakapi adds a "padding" of two minutes before the third heartbeat. This is why t
 </details>

 ## 🙏 Thanks
-I highly appreciate the efforts of [@alanhamlett](https://github.com/alanhamlett) and the WakaTime team and am thankful for their software being open source. 
+I highly appreciate the efforts of **[@alanhamlett](https://github.com/alanhamlett)** and the WakaTime team and am thankful for their software being open source. 
+
+Moreover, thanks to **[JetBrains](https://jb.gg/OpenSource)** for supporting this project as part of their open-source program.
+
+![](static/assets/images/jetbrains-logo.png)

 ## 📓 License
 GPL-v3 @ [Ferdinand Mütsch](https://muetsch.io)
--- a/config.default.yml
+++ b/config.default.yml
@ -3,6 +3,8 @@ env: production
 server:
  listen_ipv4: 127.0.0.1              # leave blank to disable ipv4
  listen_ipv6: ::1                    # leave blank to disable ipv6
+  listen_socket:                      # leave blank to disable unix sockets
+  timeout_sec: 30                     # request timeout
  tls_cert_path:                      # leave blank to not use https
  tls_key_path:                       # leave blank to not use https
  port: 3000
@ -13,6 +15,7 @@ app:
  aggregation_time: '02:15'           # time at which to run daily aggregation batch jobs
  report_time_weekly: 'fri,18:00'     # time at which to fan out weekly reports (format: '<weekday)>,<daytime>')
  inactive_days: 7                    # time of previous days within a user must have logged in to be considered active
+  import_batch_size: 50               # maximum number of heartbeats to insert into the database within one transaction
  custom_languages:
    vue: Vue
    jsx: JSX
--- a/config/config.go
+++ b/config/config.go
@ -33,6 +33,7 @@ const (
 	SimpleDateTimeFormat = "2006-01-02 15:04:05"

 	ErrUnauthorized        = "401 unauthorized"
+	ErrBadRequest          = "400 bad request"
 	ErrInternalServerError = "500 internal server error"
 )

@ -64,8 +65,9 @@ type appConfig struct {
 	AggregationTime  string                       `yaml:"aggregation_time" default:"02:15" env:"WAKAPI_AGGREGATION_TIME"`
 	ReportTimeWeekly string                       `yaml:"report_time_weekly" default:"fri,18:00" env:"WAKAPI_REPORT_TIME_WEEKLY"`
 	ImportBackoffMin int                          `yaml:"import_backoff_min" default:"5" env:"WAKAPI_IMPORT_BACKOFF_MIN"`
-	ImportBatchSize  int                          `yaml:"import_batch_size" default:"100" env:"WAKAPI_IMPORT_BATCH_SIZE"`
+	ImportBatchSize  int                          `yaml:"import_batch_size" default:"50" env:"WAKAPI_IMPORT_BATCH_SIZE"`
 	InactiveDays     int                          `yaml:"inactive_days" default:"7" env:"WAKAPI_INACTIVE_DAYS"`
+	CountCacheTTLMin int                          `yaml:"count_cache_ttl_min" default:"30" env:"WAKAPI_COUNT_CACHE_TTL_MIN"`
 	CustomLanguages  map[string]string            `yaml:"custom_languages"`
 	Colors           map[string]map[string]string `yaml:"-"`
 }
@ -95,13 +97,15 @@ type dbConfig struct {
 }

 type serverConfig struct {
-	Port        int    `default:"3000" env:"WAKAPI_PORT"`
-	ListenIpV4  string `yaml:"listen_ipv4" default:"127.0.0.1" env:"WAKAPI_LISTEN_IPV4"`
-	ListenIpV6  string `yaml:"listen_ipv6" default:"::1" env:"WAKAPI_LISTEN_IPV6"`
-	BasePath    string `yaml:"base_path" default:"/" env:"WAKAPI_BASE_PATH"`
-	PublicUrl   string `yaml:"public_url" default:"http://localhost:3000" env:"WAKAPI_PUBLIC_URL"`
-	TlsCertPath string `yaml:"tls_cert_path" default:"" env:"WAKAPI_TLS_CERT_PATH"`
-	TlsKeyPath  string `yaml:"tls_key_path" default:"" env:"WAKAPI_TLS_KEY_PATH"`
+	Port         int    `default:"3000" env:"WAKAPI_PORT"`
+	ListenIpV4   string `yaml:"listen_ipv4" default:"127.0.0.1" env:"WAKAPI_LISTEN_IPV4"`
+	ListenIpV6   string `yaml:"listen_ipv6" default:"::1" env:"WAKAPI_LISTEN_IPV6"`
+	ListenSocket string `yaml:"listen_socket" default:"" env:"WAKAPI_LISTEN_SOCKET"`
+	TimeoutSec   int    `yaml:"timeout_sec" default:"30" env:"WAKAPI_TIMEOUT_SEC"`
+	BasePath     string `yaml:"base_path" default:"/" env:"WAKAPI_BASE_PATH"`
+	PublicUrl    string `yaml:"public_url" default:"http://localhost:3000" env:"WAKAPI_PUBLIC_URL"`
+	TlsCertPath  string `yaml:"tls_cert_path" default:"" env:"WAKAPI_TLS_CERT_PATH"`
+	TlsKeyPath   string `yaml:"tls_key_path" default:"" env:"WAKAPI_TLS_KEY_PATH"`
 }

 type sentryConfig struct {
@ -197,6 +201,12 @@ func (c *Config) GetMigrationFunc(dbDialect string) models.MigrationFunc {
 			if err := db.AutoMigrate(&models.LanguageMapping{}); err != nil && !c.Db.AutoMigrateFailSilently {
 				return err
 			}
+			if err := db.AutoMigrate(&models.ProjectLabel{}); err != nil && !c.Db.AutoMigrateFailSilently {
+				return err
+			}
+			if err := db.AutoMigrate(&models.Diagnostics{}); err != nil && !c.Db.AutoMigrateFailSilently {
+				return err
+			}
 			return nil
 		}
 	}
@ -347,8 +357,8 @@ func Load(version string) *Config {
 	}

 	// some validation checks
-	if config.Server.ListenIpV4 == "" && config.Server.ListenIpV6 == "" {
-		logbuch.Fatal("either of listen_ipv4 or listen_ipv6 must be set")
+	if config.Server.ListenIpV4 == "" && config.Server.ListenIpV6 == "" && config.Server.ListenSocket == "" {
+		logbuch.Fatal("either of listen_ipv4 or listen_ipv6 or listen_socket must be set")
 	}
 	if config.Db.MaxConn <= 0 {
 		logbuch.Fatal("you must allow at least one database connection")
--- a/config/eventbus.go
+++ b/config/eventbus.go
@ -8,9 +8,17 @@ type ApplicationEvent struct {
 }

 const (
-	TopicUser       = "user.*"
-	EventUserUpdate = "user.update"
-	FieldPayload    = "payload"
+	TopicUser               = "user.*"
+	TopicHeartbeat          = "heartbeat.*"
+	TopicProjectLabel       = "project_label.*"
+	EventUserUpdate         = "user.update"
+	EventHeartbeatCreate    = "heartbeat.create"
+	EventProjectLabelCreate = "project_label.create"
+	EventProjectLabelDelete = "project_label.delete"
+	EventWakatimeFailure    = "wakatime.failure"
+	FieldPayload            = "payload"
+	FieldUser               = "user"
+	FieldUserId             = "user.id"
 )

 var eventHub *hub.Hub
--- a/coverage/coverage.out
+++ b/coverage/coverage.out
--- a/go.mod
+++ b/go.mod
@ -3,37 +3,35 @@ module github.com/muety/wakapi
 go 1.16

 require (
+	github.com/BurntSushi/toml v0.4.1 // indirect
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751
 	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
 	github.com/emersion/go-smtp v0.15.0
 	github.com/emvi/logbuch v1.2.0
 	github.com/felixge/httpsnoop v1.0.2 // indirect
-	github.com/getsentry/sentry-go v0.10.0
-	github.com/go-co-op/gocron v1.5.0
+	github.com/getsentry/sentry-go v0.11.0
+	github.com/go-co-op/gocron v1.6.2
 	github.com/go-openapi/spec v0.20.2 // indirect
 	github.com/gorilla/handlers v1.5.1
 	github.com/gorilla/mux v1.8.0
 	github.com/gorilla/schema v1.2.0
 	github.com/gorilla/securecookie v1.1.1
-	github.com/jackc/pgproto3/v2 v2.0.7 // indirect
-	github.com/jackc/pgx/v4 v4.11.0 // indirect
+	github.com/jackc/pgx/v4 v4.13.0 // indirect
 	github.com/jinzhu/configor v1.2.1
 	github.com/leandro-lugaresi/hub v1.1.1
 	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
-	github.com/mitchellh/hashstructure/v2 v2.0.1
+	github.com/mitchellh/hashstructure/v2 v2.0.2
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/satori/go.uuid v1.2.0
 	github.com/stretchr/testify v1.7.0
 	github.com/swaggo/swag v1.7.0
-	go.uber.org/atomic v1.7.0
-	golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b
+	go.uber.org/atomic v1.9.0
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
-	golang.org/x/text v0.3.6 // indirect
 	golang.org/x/tools v0.1.0 // indirect
-	gorm.io/driver/mysql v1.0.6
-	gorm.io/driver/postgres v1.0.8
+	gorm.io/driver/mysql v1.1.1
+	gorm.io/driver/postgres v1.1.0
 	gorm.io/driver/sqlite v1.1.4
-	gorm.io/gorm v1.21.9
+	gorm.io/gorm v1.21.12
 )
--- a/go.sum
+++ b/go.sum
@ -1,8 +1,9 @@
 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=
 github.com/AndreasBriese/bbloom v0.0.0-20190306092124-e2d15f34fcf9/go.mod h1:bOvUY6CB00SOBii9/FifXqc0awNKxLFCL/+pkDPuyl8=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
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@ -96,19 +97,20 @@ github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVB
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@ -133,8 +135,9 @@ github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/me
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@ -153,8 +156,8 @@ github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ
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@ -219,12 +222,17 @@ github.com/jackc/pgconn v1.4.0/go.mod h1:Y2O3ZDF0q4mMacyWV3AstPJpeHXWGEetiFttmq5
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@ -235,8 +243,8 @@ github.com/jackc/pgproto3/v2 v2.0.0-rc3/go.mod h1:ryONWYqW6dqSg1Lw6vXNMXoBJhpzvW
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@ -246,18 +254,20 @@ github.com/jackc/pgtype v0.0.0-20190828014616-a8802b16cc59/go.mod h1:MWlu30kVJrU
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@ -307,8 +317,9 @@ github.com/leandro-lugaresi/hub v1.1.1/go.mod h1:XEFWanhHv6Rt3XlteHMxuNDYi8dJcpJ
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@ -343,8 +354,8 @@ github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrk
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 github.com/mitchellh/mapstructure v0.0.0-20160808181253-ca63d7c062ee/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
@ -433,8 +444,9 @@ github.com/schollz/closestmatch v2.1.0+incompatible/go.mod h1:RtP1ddjLong6gTkbtm
 github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
 github.com/sergi/go-diff v1.0.0/go.mod h1:0CfEIISq7TuYL3j771MWULgwwjU+GofnZX9QAmXWZgo=
 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/shopspring/decimal v1.2.0 h1:abSATXmQEYyShuxI4/vyW3tV1MrKAJzCZ/0zLUXYbsQ=
+github.com/shopspring/decimal v1.2.0/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=
@ -500,8 +512,8 @@ 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/atomic v1.7.0 h1:ADUqmZGgLDDfbSL9ZmPxKTybcoEYHgpYfELNoN+7hsw=
-go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
+go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
+go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 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=
@ -522,9 +534,11 @@ golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876/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/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20201203163018-be400aefbc4c/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
 golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
-golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b h1:7mWr3k41Qtv8XlltBkDkl8LoP3mpSgBW8BUoxtEdbXg=
-golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/crypto v0.0.0-20210616213533-5ff15b29337e/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
+golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 h1:/UOmuWzQfxxo9UtlXMwuQU8CMgg1eZXqTRwkSQJWKOI=
+golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 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=
@ -590,14 +604,16 @@ golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7w
 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 v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 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/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
-golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 h1:SrN+KX8Art/Sf4HNj6Zcz06G7VEz+7w9tdXTPOZ7+l4=
+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
@ -684,16 +700,16 @@ gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
 gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gorm.io/driver/mysql v1.0.6 h1:mA0XRPjIKi4bkE9nv+NKs6qj6QWOchqUSdWOcpd3x1E=
-gorm.io/driver/mysql v1.0.6/go.mod h1:KdrTanmfLPPyAOeYGyG+UpDys7/7eeWT1zCq+oekYnU=
-gorm.io/driver/postgres v1.0.8 h1:PAgM+PaHOSAeroTjHkCHCBIHHoBIf9RgPWGo8dF2DA8=
-gorm.io/driver/postgres v1.0.8/go.mod h1:4eOzrI1MUfm6ObJU/UcmbXyiHSs8jSwH95G5P5dxcAg=
+gorm.io/driver/mysql v1.1.1 h1:yr1bpyqiwuSPJ4aGGUX9nu46RHXlF8RASQVb1QQNcvo=
+gorm.io/driver/mysql v1.1.1/go.mod h1:KdrTanmfLPPyAOeYGyG+UpDys7/7eeWT1zCq+oekYnU=
+gorm.io/driver/postgres v1.1.0 h1:afBljg7PtJ5lA6YUWluV2+xovIPhS+YiInuL3kUjrbk=
+gorm.io/driver/postgres v1.1.0/go.mod h1:hXQIwafeRjJvUm+OMxcFWyswJ/vevcpPLlGocwAwuqw=
 gorm.io/driver/sqlite v1.1.4 h1:PDzwYE+sI6De2+mxAneV9Xs11+ZyKV6oxD3wDGkaNvM=
 gorm.io/driver/sqlite v1.1.4/go.mod h1:mJCeTFr7+crvS+TRnWc5Z3UvwxUN1BGBLMrf5LA9DYw=
 gorm.io/gorm v1.20.7/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
-gorm.io/gorm v1.20.12/go.mod h1:0HFTzE/SqkGTzK6TlDPPQbAYCluiVvhzoA1+aVyzenw=
-gorm.io/gorm v1.21.9 h1:INieZtn4P2Pw6xPJ8MzT0G4WUOsHq3RhfuDF1M6GW0E=
 gorm.io/gorm v1.21.9/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
+gorm.io/gorm v1.21.12 h1:3fQM0Eiz7jcJEhPggHEpoYnsGZqynMzverL77DV40RM=
+gorm.io/gorm v1.21.12/go.mod h1:F+OptMscr0P2F2qU97WT1WimdH9GaQPoDW7AYd5i2Y0=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
--- a/main.go
+++ b/main.go
@ -2,8 +2,10 @@ package main

 import (
 	"embed"
+	"github.com/muety/wakapi/models"
 	"io/fs"
 	"log"
+	"net"
 	"net/http"
 	"os"
 	"strconv"
@ -49,8 +51,10 @@ var (
 	heartbeatRepository       repositories.IHeartbeatRepository
 	userRepository            repositories.IUserRepository
 	languageMappingRepository repositories.ILanguageMappingRepository
+	projectLabelRepository    repositories.IProjectLabelRepository
 	summaryRepository         repositories.ISummaryRepository
 	keyValueRepository        repositories.IKeyValueRepository
+	diagnosticsRepository     repositories.IDiagnosticsRepository
 )

 var (
@ -58,11 +62,13 @@ var (
 	heartbeatService       services.IHeartbeatService
 	userService            services.IUserService
 	languageMappingService services.ILanguageMappingService
+	projectLabelService    services.IProjectLabelService
 	summaryService         services.ISummaryService
 	aggregationService     services.IAggregationService
 	mailService            services.IMailService
 	keyValueService        services.IKeyValueService
 	reportService          services.IReportService
+	diagnosticsService     services.IDiagnosticsService
 	miscService            services.IMiscService
 )

@ -113,6 +119,7 @@ func main() {
 	db, err = gorm.Open(config.Db.GetDialector(), &gorm.Config{Logger: gormLogger})
 	if config.Db.Dialect == "sqlite3" {
 		db.Raw("PRAGMA foreign_keys = ON;")
+		db.DisableForeignKeyConstraintWhenMigrating = true
 	}

 	if config.IsDev() {
@ -135,19 +142,23 @@ func main() {
 	heartbeatRepository = repositories.NewHeartbeatRepository(db)
 	userRepository = repositories.NewUserRepository(db)
 	languageMappingRepository = repositories.NewLanguageMappingRepository(db)
+	projectLabelRepository = repositories.NewProjectLabelRepository(db)
 	summaryRepository = repositories.NewSummaryRepository(db)
 	keyValueRepository = repositories.NewKeyValueRepository(db)
+	diagnosticsRepository = repositories.NewDiagnosticsRepository(db)

 	// Services
-	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)
 	mailService = mail.NewMailService()
+	aliasService = services.NewAliasService(aliasRepository)
+	userService = services.NewUserService(mailService, userRepository)
+	languageMappingService = services.NewLanguageMappingService(languageMappingRepository)
+	projectLabelService = services.NewProjectLabelService(projectLabelRepository)
+	heartbeatService = services.NewHeartbeatService(heartbeatRepository, languageMappingService)
+	summaryService = services.NewSummaryService(summaryRepository, heartbeatService, aliasService, projectLabelService)
+	aggregationService = services.NewAggregationService(userService, summaryService, heartbeatService)
 	keyValueService = services.NewKeyValueService(keyValueRepository)
 	reportService = services.NewReportService(summaryService, userService, mailService)
+	diagnosticsService = services.NewDiagnosticsService(diagnosticsRepository)
 	miscService = services.NewMiscService(userService, summaryService, keyValueService)

 	// Schedule background tasks
@ -162,6 +173,7 @@ func main() {
 	heartbeatApiHandler := api.NewHeartbeatApiHandler(userService, heartbeatService, languageMappingService)
 	summaryApiHandler := api.NewSummaryApiHandler(userService, summaryService)
 	metricsHandler := api.NewMetricsHandler(userService, summaryService, heartbeatService, keyValueService)
+	diagnosticsHandler := api.NewDiagnosticsApiHandler(userService, diagnosticsService)

 	// Compat Handlers
 	wakatimeV1AllHandler := wtV1Routes.NewAllTimeHandler(userService, summaryService)
@ -173,7 +185,7 @@ func main() {

 	// MVC Handlers
 	summaryHandler := routes.NewSummaryHandler(summaryService, userService)
-	settingsHandler := routes.NewSettingsHandler(userService, heartbeatService, summaryService, aliasService, aggregationService, languageMappingService, keyValueService, mailService)
+	settingsHandler := routes.NewSettingsHandler(userService, heartbeatService, summaryService, aliasService, aggregationService, languageMappingService, projectLabelService, keyValueService, mailService)
 	homeHandler := routes.NewHomeHandler(keyValueService)
 	loginHandler := routes.NewLoginHandler(userService, mailService)
 	imprintHandler := routes.NewImprintHandler(keyValueService)
@ -183,9 +195,17 @@ func main() {
 	rootRouter := router.PathPrefix("/").Subrouter()
 	apiRouter := router.PathPrefix("/api").Subrouter().StrictSlash(true)

+	// https://github.com/gorilla/mux/issues/416
+	router.NotFoundHandler = router.NewRoute().BuildOnly().HandlerFunc(http.NotFound).GetHandler()
+	router.NotFoundHandler = middlewares.NewLoggingMiddleware(logbuch.Info, []string{
+		"/assets",
+		"/favicon",
+		"/service-worker.js",
+	})(router.NotFoundHandler)
+
 	// Globally used middlewares
 	router.Use(middlewares.NewPrincipalMiddleware())
-	router.Use(middlewares.NewLoggingMiddleware(logbuch.Info, []string{"/assets"}))
+	router.Use(middlewares.NewLoggingMiddleware(logbuch.Info, []string{"/assets", "/api/health"}))
 	router.Use(handlers.RecoveryHandler())
 	if config.Sentry.Dsn != "" {
 		router.Use(middlewares.NewSentryMiddleware())
@ -204,6 +224,7 @@ func main() {
 	healthApiHandler.RegisterRoutes(apiRouter)
 	heartbeatApiHandler.RegisterRoutes(apiRouter)
 	metricsHandler.RegisterRoutes(apiRouter)
+	diagnosticsHandler.RegisterRoutes(apiRouter)
 	wakatimeV1AllHandler.RegisterRoutes(apiRouter)
 	wakatimeV1SummariesHandler.RegisterRoutes(apiRouter)
 	wakatimeV1StatsHandler.RegisterRoutes(apiRouter)
@ -223,12 +244,24 @@ func main() {
 		middlewares.NewFileTypeFilterMiddleware([]string{".go"})(fileServer),
 	)

+	// Miscellaneous
+	// Pre-warm projects cache
+	if !config.IsDev() {
+		allUsers, err := userService.GetAll()
+		if err == nil {
+			logbuch.Info("pre-warming user project cache")
+			for _, u := range allUsers {
+				go heartbeatService.GetEntitySetByUser(models.SummaryProject, u)
+			}
+		}
+	}
+
 	// Listen HTTP
 	listen(router)
 }

 func listen(handler http.Handler) {
-	var s4, s6 *http.Server
+	var s4, s6, sSocket *http.Server

 	// IPv4
 	if config.Server.ListenIpV4 != "" {
@ -236,8 +269,8 @@ func listen(handler http.Handler) {
 		s4 = &http.Server{
 			Handler:      handler,
 			Addr:         bindString4,
-			ReadTimeout:  10 * time.Second,
-			WriteTimeout: 10 * time.Second,
+			ReadTimeout:  time.Duration(config.Server.TimeoutSec) * time.Second,
+			WriteTimeout: time.Duration(config.Server.TimeoutSec) * time.Second,
 		}
 	}

@ -247,8 +280,24 @@ func listen(handler http.Handler) {
 		s6 = &http.Server{
 			Handler:      handler,
 			Addr:         bindString6,
-			ReadTimeout:  10 * time.Second,
-			WriteTimeout: 10 * time.Second,
+			ReadTimeout:  time.Duration(config.Server.TimeoutSec) * time.Second,
+			WriteTimeout: time.Duration(config.Server.TimeoutSec) * time.Second,
+		}
+	}
+
+	// UNIX domain socket
+	if config.Server.ListenSocket != "" {
+		// Remove if exists
+		if _, err := os.Stat(config.Server.ListenSocket); err == nil {
+			logbuch.Info("--> Removing unix socket %s", config.Server.ListenSocket)
+			if err := os.Remove(config.Server.ListenSocket); err != nil {
+				logbuch.Fatal(err.Error())
+			}
+		}
+		sSocket = &http.Server{
+			Handler:      handler,
+			ReadTimeout:  time.Duration(config.Server.TimeoutSec) * time.Second,
+			WriteTimeout: time.Duration(config.Server.TimeoutSec) * time.Second,
 		}
 	}

@ -269,6 +318,18 @@ func listen(handler http.Handler) {
 				}
 			}()
 		}
+		if sSocket != nil {
+			logbuch.Info("--> Listening for HTTPS on %s... ✅", config.Server.ListenSocket)
+			go func() {
+				unixListener, err := net.Listen("unix", config.Server.ListenSocket)
+				if err != nil {
+					logbuch.Fatal(err.Error())
+				}
+				if err := sSocket.ServeTLS(unixListener, config.Server.TlsCertPath, config.Server.TlsKeyPath); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
+		}
 	} else {
 		if s4 != nil {
 			logbuch.Info("--> Listening for HTTP on %s... ✅", s4.Addr)
@ -286,6 +347,18 @@ func listen(handler http.Handler) {
 				}
 			}()
 		}
+		if sSocket != nil {
+			logbuch.Info("--> Listening for HTTP on %s... ✅", config.Server.ListenSocket)
+			go func() {
+				unixListener, err := net.Listen("unix", config.Server.ListenSocket)
+				if err != nil {
+					logbuch.Fatal(err.Error())
+				}
+				if err := sSocket.Serve(unixListener); err != nil {
+					logbuch.Fatal(err.Error())
+				}
+			}()
+		}
 	}

 	<-make(chan interface{}, 1)
--- a/middlewares/custom/wakatime.go
+++ b/middlewares/custom/wakatime.go
@ -5,17 +5,24 @@ import (
 	"encoding/base64"
 	"fmt"
 	"github.com/emvi/logbuch"
+	"github.com/leandro-lugaresi/hub"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/models"
+	"github.com/patrickmn/go-cache"
 	"io"
 	"io/ioutil"
 	"net/http"
 	"time"
 )

+const maxFailuresPerDay = 100
+
 /* Middleware to conditionally relay heartbeats to Wakatime */
 type WakatimeRelayMiddleware struct {
-	httpClient *http.Client
+	httpClient   *http.Client
+	failureCache *cache.Cache
+	eventBus     *hub.Hub
 }

 func NewWakatimeRelayMiddleware() *WakatimeRelayMiddleware {
@ -23,6 +30,8 @@ func NewWakatimeRelayMiddleware() *WakatimeRelayMiddleware {
 		httpClient: &http.Client{
 			Timeout: 10 * time.Second,
 		},
+		failureCache: cache.New(24*time.Hour, 1*time.Hour),
+		eventBus:     config.EventBus(),
 	}
 }

@ -66,10 +75,11 @@ func (m *WakatimeRelayMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Reque
 		config.WakatimeApiUrl+config.WakatimeApiHeartbeatsBulkUrl,
 		bytes.NewReader(body),
 		headers,
+		user,
 	)
 }

-func (m *WakatimeRelayMiddleware) send(method, url string, body io.Reader, headers http.Header) {
+func (m *WakatimeRelayMiddleware) send(method, url string, body io.Reader, headers http.Header, forUser *models.User) {
 	request, err := http.NewRequest(method, url, body)
 	if err != nil {
 		logbuch.Warn("error constructing relayed request – %v", err)
@ -89,6 +99,19 @@ func (m *WakatimeRelayMiddleware) send(method, url string, body io.Reader, heade
 	}

 	if response.StatusCode < 200 || response.StatusCode >= 300 {
-		logbuch.Warn("failed to relay request, got status %d", response.StatusCode)
+		logbuch.Warn("failed to relay request for user %s, got status %d", forUser.ID, response.StatusCode)
+
+		// TODO: use leaky bucket instead of expiring cache?
+		if _, found := m.failureCache.Get(forUser.ID); !found {
+			m.failureCache.SetDefault(forUser.ID, 0)
+		}
+		if n, _ := m.failureCache.IncrementInt(forUser.ID, 1); n == maxFailuresPerDay {
+			m.eventBus.Publish(hub.Message{
+				Name:   config.EventWakatimeFailure,
+				Fields: map[string]interface{}{config.FieldUser: forUser, config.FieldPayload: n},
+			})
+		} else if n%10 == 0 {
+			logbuch.Warn("%d / %d failed wakatime heartbeat relaying attempts for user %s within last 24 hours", n, maxFailuresPerDay, forUser.ID)
+		}
 	}
 }
--- a/migrations/20210411_drop_migrations_table.go
+++ b/migrations/20210411_drop_migrations_table.go
@ -11,7 +11,7 @@ func init() {
 	f := migrationFunc{
 		name: name,
 		f: func(db *gorm.DB, cfg *config.Config) error {
-			if err := db.Migrator().DropTable("gorp_migrations"); err != nil {
+			if err := db.Migrator().DropTable("gorp_migrations"); err == nil {
 				logbuch.Info("dropped table 'gorp_migrations'")
 			}
 			return nil
--- a/migrations/20210806_remove_persisted_project_labels.go
+++ b/migrations/20210806_remove_persisted_project_labels.go
@ -0,0 +1,50 @@
+package migrations
+
+import (
+	"fmt"
+	"github.com/emvi/logbuch"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+func init() {
+	const name = "20210806-remove_persisted_project_labels"
+	f := migrationFunc{
+		name: name,
+		f: func(db *gorm.DB, cfg *config.Config) error {
+			condition := "key = ?"
+			if cfg.Db.Dialect == config.SQLDialectMysql {
+				condition = "`key` = ?"
+			}
+
+			lookupResult := db.Where(condition, name).First(&models.KeyStringValue{})
+			if lookupResult.Error == nil && lookupResult.RowsAffected > 0 {
+				logbuch.Info("no need to migrate '%s'", name)
+				return nil
+			}
+
+			rawDb, err := db.DB()
+			if err != nil {
+				logbuch.Error("failed to retrieve raw sql db instance")
+				return err
+			}
+			if _, err := rawDb.Exec(fmt.Sprintf("delete from summary_items where type = %d", models.SummaryLabel)); err != nil {
+				logbuch.Error("failed to delete project label summary items")
+				return err
+			}
+			logbuch.Info("successfully deleted project label summary items")
+
+			if err := db.Create(&models.KeyStringValue{
+				Key:   name,
+				Value: "done",
+			}).Error; err != nil {
+				return err
+			}
+
+			return nil
+		},
+	}
+
+	registerPostMigration(f)
+}
--- a/mocks/project_label_service.go
+++ b/mocks/project_label_service.go
@ -0,0 +1,35 @@
+package mocks
+
+import (
+	"github.com/muety/wakapi/models"
+	"github.com/stretchr/testify/mock"
+)
+
+type ProjectLabelServiceMock struct {
+	mock.Mock
+}
+
+func (p *ProjectLabelServiceMock) GetById(u uint) (*models.ProjectLabel, error) {
+	args := p.Called(u)
+	return args.Get(0).(*models.ProjectLabel), args.Error(1)
+}
+
+func (p *ProjectLabelServiceMock) GetByUser(s string) ([]*models.ProjectLabel, error) {
+	args := p.Called(s)
+	return args.Get(0).([]*models.ProjectLabel), args.Error(1)
+}
+
+func (p *ProjectLabelServiceMock) GetByUserGrouped(s string) (map[string][]*models.ProjectLabel, error) {
+	args := p.Called(s)
+	return args.Get(0).(map[string][]*models.ProjectLabel), args.Error(1)
+}
+
+func (p *ProjectLabelServiceMock) Create(l *models.ProjectLabel) (*models.ProjectLabel, error) {
+	args := p.Called(l)
+	return args.Get(0).(*models.ProjectLabel), args.Error(1)
+}
+
+func (p *ProjectLabelServiceMock) Delete(l *models.ProjectLabel) error {
+	args := p.Called(l)
+	return args.Error(0)
+}
--- a/mocks/user_service.go
+++ b/mocks/user_service.go
@ -39,8 +39,8 @@ func (m *UserServiceMock) GetAllByReports(b bool) ([]*models.User, error) {
 	return args.Get(0).([]*models.User), args.Error(1)
 }

-func (m *UserServiceMock) GetActive() ([]*models.User, error) {
-	args := m.Called()
+func (m *UserServiceMock) GetActive(b bool) ([]*models.User, error) {
+	args := m.Called(b)
 	return args.Get(0).([]*models.User), args.Error(1)
 }

--- a/models/diagnostics.go
+++ b/models/diagnostics.go
@ -0,0 +1,13 @@
+package models
+
+type Diagnostics struct {
+	ID           uint   `gorm:"primary_key"`
+	User         *User  `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	UserID       string `json:"-" gorm:"not null; index:idx_diagnostics_user"`
+	Platform     string `json:"platform"`
+	Architecture string `json:"architecture"`
+	Plugin       string `json:"plugin"`
+	CliVersion   string `json:"cli_version"`
+	Logs         string `json:"logs" gorm:"type:text"`
+	StackTrace   string `json:"stacktrace" gorm:"type:text"`
+}
--- a/models/filters.go
+++ b/models/filters.go
@ -6,6 +6,7 @@ type Filters struct {
 	Language string
 	Editor   string
 	Machine  string
+	Label    string
 }

 type FilterElement struct {
@ -25,6 +26,8 @@ func NewFiltersWith(entity uint8, key string) *Filters {
 		return &Filters{Editor: key}
 	case SummaryMachine:
 		return &Filters{Machine: key}
+	case SummaryLabel:
+		return &Filters{Label: key}
 	}
 	return &Filters{}
 }
@ -40,6 +43,8 @@ func (f *Filters) One() (bool, uint8, string) {
 		return true, SummaryEditor, f.Editor
 	} else if f.Machine != "" {
 		return true, SummaryMachine, f.Machine
+	} else if f.Label != "" {
+		return true, SummaryLabel, f.Label
 	}
 	return false, 0, ""
 }
--- a/models/heartbeat.go
+++ b/models/heartbeat.go
@ -22,6 +22,7 @@ type Heartbeat struct {
 	Editor          string     `json:"editor" hash:"ignore"`           // ignored because editor might be parsed differently by wakatime
 	OperatingSystem string     `json:"operating_system" hash:"ignore"` // ignored because os might be parsed differently by wakatime
 	Machine         string     `json:"machine" hash:"ignore"`          // ignored because wakatime api doesn't return machines currently
+	UserAgent       string     `json:"user_agent" hash:"ignore"`
 	Time            CustomTime `json:"time" gorm:"type:timestamp; index:idx_time,idx_time_user" swaggertype:"primitive,number"`
 	Hash            string     `json:"-" gorm:"type:varchar(17); uniqueIndex"`
 	Origin          string     `json:"-" hash:"ignore"`
--- a/models/project_label.go
+++ b/models/project_label.go
@ -0,0 +1,13 @@
+package models
+
+type ProjectLabel struct {
+	ID         uint   `json:"id" gorm:"primary_key"`
+	User       *User  `json:"-" gorm:"not null; constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	UserID     string `json:"-" gorm:"not null; index:idx_project_label_user"`
+	ProjectKey string `json:"project"`
+	Label      string `json:"label" gorm:"type:varchar(64)"`
+}
+
+func (l *ProjectLabel) IsValid() bool {
+	return l.ProjectKey != "" && l.Label != ""
+}
--- a/models/summary.go
+++ b/models/summary.go
@ -1,6 +1,7 @@
 package models

 import (
+	"errors"
 	"sort"
 	"time"
 )
@ -12,9 +13,11 @@ const (
 	SummaryEditor   uint8 = 2
 	SummaryOS       uint8 = 3
 	SummaryMachine  uint8 = 4
+	SummaryLabel    uint8 = 5
 )

 const UnknownSummaryKey = "unknown"
+const DefaultProjectLabel = "default"

 type Summary struct {
 	ID               uint         `json:"-" gorm:"primary_key"`
@ -27,6 +30,7 @@ type Summary struct {
 	Editors          SummaryItems `json:"editors" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
 	OperatingSystems SummaryItems `json:"operating_systems" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
 	Machines         SummaryItems `json:"machines" gorm:"constraint:OnUpdate:CASCADE,OnDelete:CASCADE"`
+	Labels           SummaryItems `json:"labels" gorm:"-"` // labels are not persisted, but calculated at runtime, i.e. when summary is retrieved
 }

 type SummaryItems []*SummaryItem
@ -68,6 +72,10 @@ type SummaryParams struct {
 type AliasResolver func(t uint8, k string) string

 func SummaryTypes() []uint8 {
+	return []uint8{SummaryProject, SummaryLanguage, SummaryEditor, SummaryOS, SummaryMachine, SummaryLabel}
+}
+
+func NativeSummaryTypes() []uint8 {
 	return []uint8{SummaryProject, SummaryLanguage, SummaryEditor, SummaryOS, SummaryMachine}
 }

@ -77,6 +85,7 @@ func (s *Summary) Sorted() *Summary {
 	sort.Sort(sort.Reverse(s.OperatingSystems))
 	sort.Sort(sort.Reverse(s.Languages))
 	sort.Sort(sort.Reverse(s.Editors))
+	sort.Sort(sort.Reverse(s.Labels))
 	return s
 }

@ -91,6 +100,7 @@ func (s *Summary) MappedItems() map[uint8]*SummaryItems {
 		SummaryEditor:   &s.Editors,
 		SummaryOS:       &s.OperatingSystems,
 		SummaryMachine:  &s.Machines,
+		SummaryLabel:    &s.Labels,
 	}
 }

@ -109,7 +119,7 @@ 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() {
+func (s *Summary) FillMissing() {
 	types := s.Types()
 	typeItems := s.MappedItems()
 	missingTypes := make([]uint8, 0)
@ -125,15 +135,46 @@ func (s *Summary) FillUnknown() {
 		return
 	}

-	timeSum := s.TotalTime()
-
 	// construct dummy item for all missing types
+	presentType, err := s.findFirstPresentType()
+	if err != nil {
+		return // all types are either zero or missing entirely, nothing to fill
+	}
 	for _, t := range missingTypes {
-		*typeItems[t] = append(*typeItems[t], &SummaryItem{
-			Type:  t,
-			Key:   UnknownSummaryKey,
-			Total: timeSum,
-		})
+		s.FillBy(presentType, t)
+	}
+}
+
+// inplace!
+func (s *Summary) FillBy(fromType uint8, toType uint8) {
+	typeItems := s.MappedItems()
+	totalWanted := s.TotalTimeBy(fromType)
+	totalActual := s.TotalTimeBy(toType)
+
+	key := UnknownSummaryKey
+	if toType == SummaryLabel {
+		key = DefaultProjectLabel
+	}
+
+	existingEntryIdx := -1
+	for i, item := range *typeItems[toType] {
+		if item.Key == key {
+			existingEntryIdx = i
+			break
+		}
+	}
+
+	total := (totalWanted - totalActual) / time.Second // workaround
+	if total > 0 {
+		if existingEntryIdx >= 0 {
+			(*typeItems[toType])[existingEntryIdx].Total = total
+		} else {
+			*typeItems[toType] = append(*typeItems[toType], &SummaryItem{
+				Type:  toType,
+				Key:   key,
+				Total: total,
+			})
+		}
 	}
 }

@ -141,14 +182,12 @@ 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
-		}
+	t, err := s.findFirstPresentType()
+	if err != nil {
+		return 0
+	}
+	for _, item := range *mappedItems[t] {
+		timeSum += item.Total
 	}

 	return timeSum * time.Second
@ -231,10 +270,20 @@ func (s *Summary) WithResolvedAliases(resolve AliasResolver) *Summary {
 	s.Languages = processAliases(s.Languages)
 	s.OperatingSystems = processAliases(s.OperatingSystems)
 	s.Machines = processAliases(s.Machines)
+	s.Labels = processAliases(s.Labels)

 	return s
 }

+func (s *Summary) findFirstPresentType() (uint8, error) {
+	for _, t := range s.Types() {
+		if s.TotalTimeBy(t) != 0 {
+			return t, nil
+		}
+	}
+	return 127, errors.New("no type present")
+}
+
 func (s *SummaryItem) TotalFixed() time.Duration {
 	// 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
--- a/models/summary_test.go
+++ b/models/summary_test.go
@ -6,7 +6,7 @@ import (
 	"time"
 )

-func TestSummary_FillUnknown(t *testing.T) {
+func TestSummary_FillMissing(t *testing.T) {
 	testDuration := 10 * time.Minute

 	sut := &Summary{
@ -20,7 +20,7 @@ func TestSummary_FillUnknown(t *testing.T) {
 		},
 	}

-	sut.FillUnknown()
+	sut.FillMissing()

 	itemLists := [][]*SummaryItem{
 		sut.Machines,
@ -31,8 +31,12 @@ func TestSummary_FillUnknown(t *testing.T) {
 	for _, l := range itemLists {
 		assert.Len(t, l, 1)
 		assert.Equal(t, UnknownSummaryKey, l[0].Key)
-		assert.Equal(t, testDuration, l[0].Total)
+		assert.Equal(t, testDuration, l[0].TotalFixed())
 	}
+
+	assert.Len(t, sut.Labels, 1)
+	assert.Equal(t, DefaultProjectLabel, sut.Labels[0].Key)
+	assert.Equal(t, testDuration, sut.Labels[0].TotalFixed())
 }

 func TestSummary_TotalTimeBy(t *testing.T) {
--- a/models/user.go
+++ b/models/user.go
@ -23,6 +23,7 @@ type User struct {
 	ShareProjects    bool       `json:"-" gorm:"default:false; type:bool"`
 	ShareOSs         bool       `json:"-" gorm:"default:false; type:bool; column:share_oss"`
 	ShareMachines    bool       `json:"-" gorm:"default:false; type:bool"`
+	ShareLabels      bool       `json:"-" gorm:"default:false; type:bool"`
 	IsAdmin          bool       `json:"-" gorm:"default:false; type:bool"`
 	HasData          bool       `json:"-" gorm:"default:false; type:bool"`
 	WakatimeApiKey   string     `json:"-"`
--- a/models/view/settings.go
+++ b/models/view/settings.go
@ -6,6 +6,8 @@ type SettingsViewModel struct {
 	User             *models.User
 	LanguageMappings []*models.LanguageMapping
 	Aliases          []*SettingsVMCombinedAlias
+	Labels           []*SettingsVMCombinedLabel
+	Projects         []string
 	Success          string
 	Error            string
 }
@ -16,6 +18,11 @@ type SettingsVMCombinedAlias struct {
 	Values []string
 }

+type SettingsVMCombinedLabel struct {
+	Key    string
+	Values []string
+}
+
 func (s *SettingsViewModel) WithSuccess(m string) *SettingsViewModel {
 	s.Success = m
 	return s
--- a/postman/Wakapi.postman_collection.json
+++ b/postman/Wakapi.postman_collection.json
@ -1,6 +1,6 @@
 {
 	"info": {
-		"_postman_id": "3dcc346d-a9a8-4699-8a52-459eb978b382",
+		"_postman_id": "46168002-34d8-48a5-95fa-4a8600450cbd",
 		"name": "Wakapi",
 		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
 	},
@ -49,6 +49,50 @@
 						}
 					},
 					"response": []
+				},
+				{
+					"name": "Send diagnostics",
+					"request": {
+						"method": "POST",
+						"header": [
+							{
+								"key": "Authorization",
+								"value": "Basic {{TOKEN}}",
+								"type": "text"
+							},
+							{
+								"key": "X-Machine-Name",
+								"value": "devmachine",
+								"type": "text"
+							},
+							{
+								"key": "User-Agent",
+								"value": "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",
+								"type": "text"
+							}
+						],
+						"body": {
+							"mode": "raw",
+							"raw": "{\n  \"platform\": \"unset\",\n  \"architecture\": \"unset\",\n  \"plugin\": \"\",\n  \"cli_version\": \"unset\",\n  \"logs\": \"{\\\"caller\\\":\\\"/home/ferdinand/dev/wakatime-cli/cmd/legacy/run.go:189\\\",\\\"func\\\":\\\"runCmd\\\",\\\"level\\\":\\\"error\\\",\\\"message\\\":\\\"failed to run command: failed to send heartbeat(s) due to api error: failed to send heartbeats via api client: invalid response status from \\\\\\\"https://bin.muetsch.io/n7jnywu/users/current/heartbeats.bulk\\\\\\\". got: 404, want: 201/202. body: \\\\\\\"\\\\\\\"\\\",\\\"now\\\":\\\"2021-08-07T00:33:26+02:00\\\",\\\"version\\\":\\\"unset\\\"}\\n\",\n  \"stacktrace\": \"goroutine 1 [running]:\\nruntime/debug.Stack(0x0, 0xc0001f8680, 0x196)\\n\\t/opt/go/src/runtime/debug/stack.go:24 +0x9f\\ngithub.com/wakatime/wakatime-cli/cmd/legacy.runCmd(0xc000103680, 0xc33c60, 0x0)\\n\\t/home/ferdinand/dev/wakatime-cli/cmd/legacy/run.go:194 +0x26c\\ngithub.com/wakatime/wakatime-cli/cmd/legacy.RunCmdWithOfflineSync(0xc000103680, 0xc33c60)\\n\\t/home/ferdinand/dev/wakatime-cli/cmd/legacy/run.go:163 +0x35\\ngithub.com/wakatime/wakatime-cli/cmd/legacy.Run(0xc0000be2c0, 0xc000103680)\\n\\t/home/ferdinand/dev/wakatime-cli/cmd/legacy/run.go:90 +0x62e\\ngithub.com/wakatime/wakatime-cli/cmd.NewRootCMD.func1(0xc0000be2c0, 0xc00028bd40, 0x0, 0x2)\\n\\t/home/ferdinand/dev/wakatime-cli/cmd/root.go:31 +0x34\\ngithub.com/spf13/cobra.(*Command).execute(0xc0000be2c0, 0xc000020190, 0x2, 0x2, 0xc0000be2c0, 0xc000020190)\\n\\t/home/ferdinand/go/pkg/mod/github.com/spf13/cobra@v1.1.1/command.go:854 +0x2c2\\ngithub.com/spf13/cobra.(*Command).ExecuteC(0xc0000be2c0, 0xc000000180, 0xc0006bff78, 0x407d65)\\n\\t/home/ferdinand/go/pkg/mod/github.com/spf13/cobra@v1.1.1/command.go:958 +0x375\\ngithub.com/spf13/cobra.(*Command).Execute(...)\\n\\t/home/ferdinand/go/pkg/mod/github.com/spf13/cobra@v1.1.1/command.go:895\\ngithub.com/wakatime/wakatime-cli/cmd.Execute()\\n\\t/home/ferdinand/dev/wakatime-cli/cmd/root.go:227 +0x2b\\nmain.main()\\n\\t/home/ferdinand/dev/wakatime-cli/main.go:6 +0x25\\n\"\n}",
+							"options": {
+								"raw": {
+									"language": "json"
+								}
+							}
+						},
+						"url": {
+							"raw": "{{BASE_URL}}/api/plugins/errors",
+							"host": [
+								"{{BASE_URL}}"
+							],
+							"path": [
+								"api",
+								"plugins",
+								"errors"
+							]
+						}
+					},
+					"response": []
 				}
 			]
 		},
--- a/repositories/diagnostics.go
+++ b/repositories/diagnostics.go
@ -0,0 +1,18 @@
+package repositories
+
+import (
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type DiagnosticsRepository struct {
+	db *gorm.DB
+}
+
+func NewDiagnosticsRepository(db *gorm.DB) *DiagnosticsRepository {
+	return &DiagnosticsRepository{db: db}
+}
+
+func (r *DiagnosticsRepository) Insert(diagnostics *models.Diagnostics) (*models.Diagnostics, error) {
+	return diagnostics, r.db.Create(diagnostics).Error
+}
--- a/repositories/project_label.go
+++ b/repositories/project_label.go
@ -0,0 +1,60 @@
+package repositories
+
+import (
+	"errors"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"gorm.io/gorm"
+)
+
+type ProjectLabelRepository struct {
+	config *config.Config
+	db     *gorm.DB
+}
+
+func NewProjectLabelRepository(db *gorm.DB) *ProjectLabelRepository {
+	return &ProjectLabelRepository{config: config.Get(), db: db}
+}
+
+func (r *ProjectLabelRepository) GetAll() ([]*models.ProjectLabel, error) {
+	var labels []*models.ProjectLabel
+	if err := r.db.Find(&labels).Error; err != nil {
+		return nil, err
+	}
+	return labels, nil
+}
+
+func (r *ProjectLabelRepository) GetById(id uint) (*models.ProjectLabel, error) {
+	label := &models.ProjectLabel{}
+	if err := r.db.Where(&models.ProjectLabel{ID: id}).First(label).Error; err != nil {
+		return label, err
+	}
+	return label, nil
+}
+
+func (r *ProjectLabelRepository) GetByUser(userId string) ([]*models.ProjectLabel, error) {
+	var labels []*models.ProjectLabel
+	if err := r.db.
+		Where(&models.ProjectLabel{UserID: userId}).
+		Find(&labels).Error; err != nil {
+		return labels, err
+	}
+	return labels, nil
+}
+
+func (r *ProjectLabelRepository) Insert(label *models.ProjectLabel) (*models.ProjectLabel, error) {
+	if !label.IsValid() {
+		return nil, errors.New("invalid label")
+	}
+	result := r.db.Create(label)
+	if err := result.Error; err != nil {
+		return nil, err
+	}
+	return label, nil
+}
+
+func (r *ProjectLabelRepository) Delete(id uint) error {
+	return r.db.
+		Where("id = ?", id).
+		Delete(models.ProjectLabel{}).Error
+}
--- a/repositories/repositories.go
+++ b/repositories/repositories.go
@ -31,6 +31,10 @@ type IHeartbeatRepository interface {
 	DeleteBefore(time.Time) error
 }

+type IDiagnosticsRepository interface {
+	Insert(diagnostics *models.Diagnostics) (*models.Diagnostics, error)
+}
+
 type IKeyValueRepository interface {
 	GetAll() ([]*models.KeyStringValue, error)
 	GetString(string) (*models.KeyStringValue, error)
@ -46,6 +50,14 @@ type ILanguageMappingRepository interface {
 	Delete(uint) error
 }

+type IProjectLabelRepository interface {
+	GetAll() ([]*models.ProjectLabel, error)
+	GetById(uint) (*models.ProjectLabel, error)
+	GetByUser(string) ([]*models.ProjectLabel, error)
+	Insert(*models.ProjectLabel) (*models.ProjectLabel, error)
+	Delete(uint) error
+}
+
 type ISummaryRepository interface {
 	Insert(*models.Summary) error
 	GetAll() ([]*models.Summary, error)
--- a/repositories/user.go
+++ b/repositories/user.go
@ -147,6 +147,7 @@ func (r *UserRepository) Update(user *models.User) (*models.User, error) {
 		"share_oss":           user.ShareOSs,
 		"share_projects":      user.ShareProjects,
 		"share_machines":      user.ShareMachines,
+		"share_labels":        user.ShareLabels,
 		"wakatime_api_key":    user.WakatimeApiKey,
 		"has_data":            user.HasData,
 		"reset_token":         user.ResetToken,
@ -159,10 +160,6 @@ func (r *UserRepository) Update(user *models.User) (*models.User, error) {
 		return nil, err
 	}

-	if result.RowsAffected != 1 {
-		return nil, errors.New("nothing updated")
-	}
-
 	return user, nil
 }

--- a/routes/api/diagnostics.go
+++ b/routes/api/diagnostics.go
@ -0,0 +1,71 @@
+package api
+
+import (
+	"encoding/json"
+	"github.com/gorilla/mux"
+	conf "github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/middlewares"
+	"github.com/muety/wakapi/services"
+	"github.com/muety/wakapi/utils"
+	"net/http"
+
+	"github.com/muety/wakapi/models"
+)
+
+type DiagnosticsApiHandler struct {
+	config          *conf.Config
+	userSrvc        services.IUserService
+	diagnosticsSrvc services.IDiagnosticsService
+}
+
+func NewDiagnosticsApiHandler(userService services.IUserService, diagnosticsService services.IDiagnosticsService) *DiagnosticsApiHandler {
+	return &DiagnosticsApiHandler{
+		config:          conf.Get(),
+		userSrvc:        userService,
+		diagnosticsSrvc: diagnosticsService,
+	}
+}
+
+func (h *DiagnosticsApiHandler) RegisterRoutes(router *mux.Router) {
+	r := router.PathPrefix("/plugins/errors").Subrouter()
+	r.Use(
+		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
+	)
+	r.Path("").Methods(http.MethodPost).HandlerFunc(h.Post)
+}
+
+// @Summary Push a new diagnostics object
+// @ID post-diagnostics
+// @Tags diagnostics
+// @Accept json
+// @Param diagnostics body models.Diagnostics true "A single diagnostics object sent by WakaTime CLI"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /plugins/errors [post]
+func (h *DiagnosticsApiHandler) Post(w http.ResponseWriter, r *http.Request) {
+	var diagnostics models.Diagnostics
+
+	user := middlewares.GetPrincipal(r)
+	if user == nil {
+		w.WriteHeader(http.StatusUnauthorized)
+		w.Write([]byte(conf.ErrUnauthorized))
+		return
+	}
+
+	if err := json.NewDecoder(r.Body).Decode(&diagnostics); err != nil {
+		w.WriteHeader(http.StatusBadRequest)
+		w.Write([]byte(conf.ErrBadRequest))
+		conf.Log().Request(r).Error("failed to parse diagnostics for user %s - %v", err)
+		return
+	}
+	diagnostics.UserID = user.ID
+
+	if _, err := h.diagnosticsSrvc.Create(&diagnostics); err != nil {
+		w.WriteHeader(http.StatusInternalServerError)
+		w.Write([]byte(conf.ErrInternalServerError))
+		conf.Log().Request(r).Error("failed to insert diagnostics for user %s - %v", err)
+		return
+	}
+
+	utils.RespondJSON(w, r, http.StatusCreated, struct{}{})
+}
--- a/routes/api/heartbeat.go
+++ b/routes/api/heartbeat.go
@ -1,6 +1,7 @@
 package api

 import (
+	"bytes"
 	"encoding/json"
 	"github.com/gorilla/mux"
 	conf "github.com/muety/wakapi/config"
@ -9,6 +10,7 @@ import (
 	routeutils "github.com/muety/wakapi/routes/utils"
 	"github.com/muety/wakapi/services"
 	"github.com/muety/wakapi/utils"
+	"io/ioutil"
 	"net/http"

 	"github.com/muety/wakapi/models"
@ -40,16 +42,22 @@ func (h *HeartbeatApiHandler) RegisterRoutes(router *mux.Router) {
 		middlewares.NewAuthenticateMiddleware(h.userSrvc).Handler,
 		customMiddleware.NewWakatimeRelayMiddleware().Handler,
 	)
-	r.PathPrefix("/heartbeat").Methods(http.MethodPost).HandlerFunc(h.Post)
-	r.PathPrefix("/v1/users/{user}/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
-	r.PathPrefix("/compat/wakatime/v1/users/{user}/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
+	// see https://github.com/muety/wakapi/issues/203
+	r.Path("/heartbeat").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/users/{user}/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/users/{user}/heartbeats.bulk").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/v1/users/{user}/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/v1/users/{user}/heartbeats.bulk").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/compat/wakatime/v1/users/{user}/heartbeats").Methods(http.MethodPost).HandlerFunc(h.Post)
+	r.Path("/compat/wakatime/v1/users/{user}/heartbeats.bulk").Methods(http.MethodPost).HandlerFunc(h.Post)
 }

 // @Summary Push a new heartbeat
 // @ID post-heartbeat
 // @Tags heartbeat
 // @Accept json
-// @Param heartbeat body models.Heartbeat true "A heartbeat"
+// @Param heartbeat body models.Heartbeat true "A single heartbeat"
 // @Security ApiKeyAuth
 // @Success 201
 // @Router /heartbeat [post]
@ -60,22 +68,28 @@ func (h *HeartbeatApiHandler) Post(w http.ResponseWriter, r *http.Request) {
 	}

 	var heartbeats []*models.Heartbeat
-	opSys, editor, _ := utils.ParseUserAgent(r.Header.Get("User-Agent"))
-	machineName := r.Header.Get("X-Machine-Name")
-
-	dec := json.NewDecoder(r.Body)
-	if err := dec.Decode(&heartbeats); err != nil {
-		w.WriteHeader(http.StatusBadRequest)
-		w.Write([]byte(err.Error()))
-		return
+	heartbeats, err = h.tryParseBulk(r)
+	if err != nil {
+		heartbeats, err = h.tryParseSingle(r)
+		if err != nil {
+			conf.Log().Request(r).Error(err.Error())
+			w.WriteHeader(http.StatusBadRequest)
+			w.Write([]byte(err.Error()))
+			return
+		}
 	}

+	userAgent := r.Header.Get("User-Agent")
+	opSys, editor, _ := utils.ParseUserAgent(userAgent)
+	machineName := r.Header.Get("X-Machine-Name")
+
 	for _, hb := range heartbeats {
 		hb.OperatingSystem = opSys
 		hb.Editor = editor
 		hb.Machine = machineName
 		hb.User = user
 		hb.UserID = user.ID
+		hb.UserAgent = userAgent

 		if !hb.Valid() {
 			w.WriteHeader(http.StatusBadRequest)
@ -103,12 +117,47 @@ func (h *HeartbeatApiHandler) Post(w http.ResponseWriter, r *http.Request) {
 		}
 	}

+	defer func() {}()
+
 	utils.RespondJSON(w, r, http.StatusCreated, constructSuccessResponse(len(heartbeats)))
 }

+func (h *HeartbeatApiHandler) tryParseBulk(r *http.Request) ([]*models.Heartbeat, error) {
+	var heartbeats []*models.Heartbeat
+
+	body, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+	r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
+
+	dec := json.NewDecoder(ioutil.NopCloser(bytes.NewBuffer(body)))
+	if err := dec.Decode(&heartbeats); err != nil {
+		return nil, err
+	}
+
+	return heartbeats, nil
+}
+
+func (h *HeartbeatApiHandler) tryParseSingle(r *http.Request) ([]*models.Heartbeat, error) {
+	var heartbeat models.Heartbeat
+
+	body, _ := ioutil.ReadAll(r.Body)
+	r.Body.Close()
+	r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
+
+	dec := json.NewDecoder(ioutil.NopCloser(bytes.NewBuffer(body)))
+	if err := dec.Decode(&heartbeat); err != nil {
+		return nil, err
+	}
+
+	return []*models.Heartbeat{&heartbeat}, nil
+}
+
 // construct weird response format (see https://github.com/wakatime/wakatime/blob/2e636d389bf5da4e998e05d5285a96ce2c181e3d/wakatime/api.py#L288)
 // to make the cli consider all heartbeats to having been successfully saved
-// response looks like: { "responses": [ [ { "data": {...} }, 201 ], ... ] }
+// response looks like: { "responses": [ [ null, 201 ], ... ] }
+// this was probably a temporary bug at wakatime, responses actually looks like so: https://pastr.de/p/nyf6kj2e6843fbw4xkj4h4pj
+// TODO: adapt response format some time
+// however, wakatime-cli is still able to parse the response (see https://github.com/wakatime/wakatime-cli/blob/c2076c0e1abc1449baf5b7ac7db391b06041c719/pkg/api/heartbeat.go#L127), so no urgent need for action
 func constructSuccessResponse(n int) *heartbeatResponseVm {
 	responses := make([][]interface{}, n)

@ -123,3 +172,75 @@ func constructSuccessResponse(n int) *heartbeatResponseVm {
 		Responses: responses,
 	}
 }
+
+// Only for Swagger
+
+// @Summary Push a new heartbeat
+// @ID post-heartbeat-2
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body models.Heartbeat true "A single heartbeat"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /v1/users/{user}/heartbeats [post]
+func (h *HeartbeatApiHandler) postAlias1() {}
+
+// @Summary Push a new heartbeat
+// @ID post-heartbeat-3
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body models.Heartbeat true "A single heartbeat"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /compat/wakatime/v1/users/{user}/heartbeats [post]
+func (h *HeartbeatApiHandler) postAlias2() {}
+
+// @Summary Push a new heartbeat
+// @ID post-heartbeat-4
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body models.Heartbeat true "A single heartbeat"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /users/{user}/heartbeats [post]
+func (h *HeartbeatApiHandler) postAlias3() {}
+
+// @Summary Push new heartbeats
+// @ID post-heartbeat-5
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body []models.Heartbeat true "Multiple heartbeats"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /heartbeats [post]
+func (h *HeartbeatApiHandler) postAlias4() {}
+
+// @Summary Push new heartbeats
+// @ID post-heartbeat-6
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body []models.Heartbeat true "Multiple heartbeats"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /v1/users/{user}/heartbeats.bulk [post]
+func (h *HeartbeatApiHandler) postAlias5() {}
+
+// @Summary Push new heartbeats
+// @ID post-heartbeat-7
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body []models.Heartbeat true "Multiple heartbeats"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /compat/wakatime/v1/users/{user}/heartbeats.bulk [post]
+func (h *HeartbeatApiHandler) postAlias6() {}
+
+// @Summary Push new heartbeats
+// @ID post-heartbeat-8
+// @Tags heartbeat
+// @Accept json
+// @Param heartbeat body []models.Heartbeat true "Multiple heartbeats"
+// @Security ApiKeyAuth
+// @Success 201
+// @Router /users/{user}/heartbeats.bulk [post]
+func (h *HeartbeatApiHandler) postAlias7() {}
--- a/routes/api/metrics.go
+++ b/routes/api/metrics.go
@ -27,6 +27,7 @@ const (
 	DescLanguages        = "Total seconds for each language."
 	DescOperatingSystems = "Total seconds for each operating system."
 	DescMachines         = "Total seconds for each machine."
+	DescLabels           = "Total seconds for each project label."

 	DescAdminTotalTime       = "Total seconds (all users, all time)."
 	DescAdminTotalHeartbeats = "Total number of tracked heartbeats (all users, all time)"
@ -198,6 +199,15 @@ func (h *MetricsHandler) getUserMetrics(user *models.User) (*mm.Metrics, error)
 		})
 	}

+	for _, m := range summaryToday.Labels {
+		metrics = append(metrics, &mm.CounterMetric{
+			Name:   MetricsPrefix + "_label_seconds_total",
+			Desc:   DescLabels,
+			Value:  int(summaryToday.TotalTimeByKey(models.SummaryLabel, m.Key).Seconds()),
+			Labels: []mm.Label{{Key: "name", Value: m.Key}},
+		})
+	}
+
 	return &metrics, nil
 }

@ -218,7 +228,7 @@ func (h *MetricsHandler) getAdminMetrics(user *models.User) (*mm.Metrics, error)
 	totalUsers, _ := h.userSrvc.Count()
 	totalHeartbeats, _ := h.heartbeatSrvc.Count()

-	activeUsers, err := h.userSrvc.GetActive()
+	activeUsers, err := h.userSrvc.GetActive(false)
 	if err != nil {
 		logbuch.Error("failed to retrieve active users for metric – %v", err)
 		return nil, err
--- a/routes/compat/shields/v1/badge.go
+++ b/routes/compat/shields/v1/badge.go
@ -16,7 +16,7 @@ import (

 const (
 	intervalPattern     = `interval:([a-z0-9_]+)`
-	entityFilterPattern = `(project|os|editor|language|machine):([_a-zA-Z0-9-]+)`
+	entityFilterPattern = `(project|os|editor|language|machine):([_a-zA-Z0-9-\s]+)`
 )

 type BadgeHandler struct {
@ -75,7 +75,7 @@ func (h *BadgeHandler) Get(w http.ResponseWriter, r *http.Request) {
 	}

 	_, rangeFrom, rangeTo := utils.ResolveIntervalTZ(interval, user.TZ())
-	minStart := utils.StartOfDay(rangeTo.Add(-24 * time.Hour * time.Duration(user.ShareDataMaxDays)))
+	minStart := rangeTo.Add(-24 * time.Hour * time.Duration(user.ShareDataMaxDays))
 	// negative value means no limit
 	if rangeFrom.Before(minStart) && user.ShareDataMaxDays >= 0 {
 		w.WriteHeader(http.StatusForbidden)
@ -83,22 +83,38 @@ func (h *BadgeHandler) Get(w http.ResponseWriter, r *http.Request) {
 		return
 	}

+	var permitEntity bool
 	var filters *models.Filters
 	switch filterEntity {
 	case "project":
+		permitEntity = user.ShareProjects
 		filters = models.NewFiltersWith(models.SummaryProject, filterKey)
 	case "os":
+		permitEntity = user.ShareOSs
 		filters = models.NewFiltersWith(models.SummaryOS, filterKey)
 	case "editor":
+		permitEntity = user.ShareEditors
 		filters = models.NewFiltersWith(models.SummaryEditor, filterKey)
 	case "language":
+		permitEntity = user.ShareLanguages
 		filters = models.NewFiltersWith(models.SummaryLanguage, filterKey)
 	case "machine":
+		permitEntity = user.ShareMachines
 		filters = models.NewFiltersWith(models.SummaryMachine, filterKey)
+	case "label":
+		permitEntity = user.ShareLabels
+		filters = models.NewFiltersWith(models.SummaryLabel, filterKey)
 	default:
+		permitEntity = true
 		filters = &models.Filters{}
 	}

+	if !permitEntity {
+		w.WriteHeader(http.StatusForbidden)
+		w.Write([]byte("user did not opt in to share entity-specific data"))
+		return
+	}
+
 	cacheKey := fmt.Sprintf("%s_%v_%s_%s", user.ID, *interval, filterEntity, filterKey)
 	if cacheResult, ok := h.cache.Get(cacheKey); ok {
 		utils.RespondJSON(w, r, http.StatusOK, cacheResult.(*v1.BadgeData))
--- a/routes/compat/wakatime/v1/stats.go
+++ b/routes/compat/wakatime/v1/stats.go
@ -79,7 +79,7 @@ func (h *StatsHandler) Get(w http.ResponseWriter, r *http.Request) {
 		return
 	}

-	minStart := utils.StartOfDay(rangeTo.Add(-24 * time.Hour * time.Duration(requestedUser.ShareDataMaxDays)))
+	minStart := rangeTo.Add(-24 * time.Hour * time.Duration(requestedUser.ShareDataMaxDays))
 	if (authorizedUser == nil || requestedUser.ID != authorizedUser.ID) &&
 		rangeFrom.Before(minStart) && requestedUser.ShareDataMaxDays >= 0 {
 		w.WriteHeader(http.StatusForbidden)
--- a/routes/compat/wakatime/v1/summaries.go
+++ b/routes/compat/wakatime/v1/summaries.go
@ -121,17 +121,16 @@ func (h *SummariesHandler) loadUserSummaries(r *http.Request) ([]*models.Summary
 	end = utils.EndOfDay(end).Add(-1 * time.Second)

 	overallParams := &models.SummaryParams{
-		From:      start,
-		To:        end,
-		User:      user,
-		Recompute: false,
+		From: start,
+		To:   end,
+		User: user,
 	}

 	intervals := utils.SplitRangeByDays(overallParams.From, overallParams.To)
 	summaries := make([]*models.Summary, len(intervals))

 	for i, interval := range intervals {
-		summary, err := h.summarySrvc.Aliased(interval[0], interval[1], user, h.summarySrvc.Retrieve, false)
+		summary, err := h.summarySrvc.Aliased(interval[0], interval[1], user, h.summarySrvc.Retrieve, end.After(time.Now()))
 		if err != nil {
 			return nil, err, http.StatusInternalServerError
 		}
--- a/routes/routes.go
+++ b/routes/routes.go
@ -2,27 +2,24 @@ package routes

 import (
 	"fmt"
+	"github.com/muety/wakapi/views"
 	"html/template"
-	"io/fs"
-	"io/ioutil"
 	"net/http"
-	"path"
 	"strings"

 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/utils"
-	"github.com/muety/wakapi/views"
 )

-func Init() {
-	loadTemplates()
-}
-
 type action func(w http.ResponseWriter, r *http.Request) (int, string, string)

 var templates map[string]*template.Template

+func Init() {
+	loadTemplates()
+}
+
 func DefaultTemplateFuncs() template.FuncMap {
 	return template.FuncMap{
 		"json":           utils.Json,
@ -58,44 +55,6 @@ func DefaultTemplateFuncs() template.FuncMap {
 	}
 }

-func loadTemplates() {
-	tpls := template.New("").Funcs(DefaultTemplateFuncs())
-	templates = make(map[string]*template.Template)
-
-	// Use local file system when in 'dev' environment, go embed file system otherwise
-	templateFs := config.ChooseFS("views", views.TemplateFiles)
-
-	files, err := fs.ReadDir(templateFs, ".")
-	if err != nil {
-		panic(err)
-	}
-
-	for _, file := range files {
-		tplName := file.Name()
-		if file.IsDir() || path.Ext(tplName) != ".html" {
-			continue
-		}
-
-		templateFile, err := templateFs.Open(tplName)
-		if err != nil {
-			panic(err)
-		}
-		templateData, err := ioutil.ReadAll(templateFile)
-		if err != nil {
-			panic(err)
-		}
-
-		templateFile.Close()
-
-		tpl, err := tpls.New(tplName).Parse(string(templateData))
-		if err != nil {
-			panic(err)
-		}
-
-		templates[tplName] = tpl
-	}
-}
-
 func typeName(t uint8) string {
 	if t == models.SummaryProject {
 		return "project"
@ -112,9 +71,22 @@ func typeName(t uint8) string {
 	if t == models.SummaryMachine {
 		return "machine"
 	}
+	if t == models.SummaryLabel {
+		return "label"
+	}
 	return "unknown"
 }

+func loadTemplates() {
+	// Use local file system when in 'dev' environment, go embed file system otherwise
+	templateFs := config.ChooseFS("views", views.TemplateFiles)
+	if tpls, err := utils.LoadTemplates(templateFs, DefaultTemplateFuncs()); err == nil {
+		templates = tpls
+	} else {
+		panic(err)
+	}
+}
+
 func defaultErrorRedirectTarget() string {
 	return fmt.Sprintf("%s/?error=unauthorized", config.Get().Server.BasePath)
 }
--- a/routes/settings.go
+++ b/routes/settings.go
@ -14,10 +14,14 @@ import (
 	"github.com/muety/wakapi/services/imports"
 	"github.com/muety/wakapi/utils"
 	"net/http"
+	"sort"
 	"strconv"
+	"strings"
 	"time"
 )

+const criticalError = "a critical error has occurred, sorry"
+
 type SettingsHandler struct {
 	config              *conf.Config
 	userSrvc            services.IUserService
@ -26,6 +30,7 @@ type SettingsHandler struct {
 	aliasSrvc           services.IAliasService
 	aggregationSrvc     services.IAggregationService
 	languageMappingSrvc services.ILanguageMappingService
+	projectLabelSrvc    services.IProjectLabelService
 	keyValueSrvc        services.IKeyValueService
 	mailSrvc            services.IMailService
 	httpClient          *http.Client
@ -40,6 +45,7 @@ func NewSettingsHandler(
 	aliasService services.IAliasService,
 	aggregationService services.IAggregationService,
 	languageMappingService services.ILanguageMappingService,
+	projectLabelService services.IProjectLabelService,
 	keyValueService services.IKeyValueService,
 	mailService services.IMailService,
 ) *SettingsHandler {
@ -49,6 +55,7 @@ func NewSettingsHandler(
 		aliasSrvc:           aliasService,
 		aggregationSrvc:     aggregationService,
 		languageMappingSrvc: languageMappingService,
+		projectLabelSrvc:    projectLabelService,
 		userSrvc:            userService,
 		heartbeatSrvc:       heartbeatService,
 		keyValueSrvc:        keyValueService,
@ -70,7 +77,6 @@ func (h *SettingsHandler) GetIndex(w http.ResponseWriter, r *http.Request) {
 	if h.config.IsDev() {
 		loadTemplates()
 	}
-
 	templates[conf.SettingsTemplate].Execute(w, h.buildViewModel(r))
 }

@ -128,6 +134,10 @@ func (h *SettingsHandler) dispatchAction(action string) action {
 		return h.actionDeleteAlias
 	case "add_alias":
 		return h.actionAddAlias
+	case "add_label":
+		return h.actionAddLabel
+	case "delete_label":
+		return h.actionDeleteLabel
 	case "delete_mapping":
 		return h.actionDeleteLanguageMapping
 	case "add_mapping":
@ -137,7 +147,7 @@ func (h *SettingsHandler) dispatchAction(action string) action {
 	case "toggle_wakatime":
 		return h.actionSetWakatimeApiKey
 	case "import_wakatime":
-		return h.actionImportWaktime
+		return h.actionImportWakatime
 	case "regenerate_summaries":
 		return h.actionRegenerateSummaries
 	case "delete_account":
@ -252,6 +262,7 @@ func (h *SettingsHandler) actionUpdateSharing(w http.ResponseWriter, r *http.Req
 	user.ShareEditors, err = strconv.ParseBool(r.PostFormValue("share_editors"))
 	user.ShareOSs, err = strconv.ParseBool(r.PostFormValue("share_oss"))
 	user.ShareMachines, err = strconv.ParseBool(r.PostFormValue("share_machines"))
+	user.ShareLabels, err = strconv.ParseBool(r.PostFormValue("share_labels"))
 	user.ShareDataMaxDays, err = strconv.Atoi(r.PostFormValue("max_days"))

 	if err != nil {
@ -313,6 +324,59 @@ func (h *SettingsHandler) actionAddAlias(w http.ResponseWriter, r *http.Request)
 	return http.StatusOK, "alias added successfully", ""
 }

+func (h *SettingsHandler) actionAddLabel(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+	user := middlewares.GetPrincipal(r)
+
+	label := &models.ProjectLabel{
+		UserID:     user.ID,
+		ProjectKey: r.PostFormValue("key"),
+		Label:      r.PostFormValue("value"),
+	}
+
+	if !label.IsValid() {
+		return http.StatusBadRequest, "", "invalid input"
+	}
+
+	if _, err := h.projectLabelSrvc.Create(label); err != nil {
+		// TODO: distinguish between bad request, conflict and server error
+		return http.StatusBadRequest, "", "invalid input"
+	}
+
+	return http.StatusOK, "label added successfully", ""
+}
+
+func (h *SettingsHandler) actionDeleteLabel(w http.ResponseWriter, r *http.Request) (int, string, string) {
+	if h.config.IsDev() {
+		loadTemplates()
+	}
+
+	user := middlewares.GetPrincipal(r)
+	labelKey := r.PostFormValue("key")
+	labelValue := r.PostFormValue("value")
+
+	labelMap, err := h.projectLabelSrvc.GetByUserGrouped(user.ID)
+	if err != nil {
+		return http.StatusInternalServerError, "", "could not delete label"
+	}
+
+	if projectLabels, ok := labelMap[labelKey]; ok {
+		for _, l := range projectLabels {
+			if l.Label == labelValue {
+				if err := h.projectLabelSrvc.Delete(l); err != nil {
+					return http.StatusInternalServerError, "", "could not delete label"
+				}
+				return http.StatusOK, "label deleted successfully", ""
+			}
+		}
+		return http.StatusNotFound, "", "label not found"
+	} else {
+		return http.StatusNotFound, "", "project not found"
+	}
+}
+
 func (h *SettingsHandler) actionDeleteLanguageMapping(w http.ResponseWriter, r *http.Request) (int, string, string) {
 	if h.config.IsDev() {
 		loadTemplates()
@ -383,7 +447,7 @@ func (h *SettingsHandler) actionSetWakatimeApiKey(w http.ResponseWriter, r *http
 	return http.StatusOK, "Wakatime API Key updated successfully", ""
 }

-func (h *SettingsHandler) actionImportWaktime(w http.ResponseWriter, r *http.Request) (int, string, string) {
+func (h *SettingsHandler) actionImportWakatime(w http.ResponseWriter, r *http.Request) (int, string, string) {
 	if h.config.IsDev() {
 		loadTemplates()
 	}
@ -450,6 +514,13 @@ func (h *SettingsHandler) actionImportWaktime(w http.ResponseWriter, r *http.Req

 		h.regenerateSummaries(user)

+		if !user.HasData {
+			user.HasData = true
+			if _, err := h.userSrvc.Update(user); err != nil {
+				conf.Log().Request(r).Error("failed to set 'has_data' flag for user %s – %v", user.ID, err)
+			}
+		}
+
 		if user.Email != "" {
 			if err := h.mailSrvc.SendImportNotification(user, time.Now().Sub(start), int(countAfter-countBefore)); err != nil {
 				conf.Log().Request(r).Error("failed to send import notification mail to %s – %v", user.ID, err)
@ -546,8 +617,16 @@ func (h *SettingsHandler) regenerateSummaries(user *models.User) error {

 func (h *SettingsHandler) buildViewModel(r *http.Request) *view.SettingsViewModel {
 	user := middlewares.GetPrincipal(r)
+
+	// mappings
 	mappings, _ := h.languageMappingSrvc.GetByUser(user.ID)
-	aliases, _ := h.aliasSrvc.GetByUser(user.ID)
+
+	// aliases
+	aliases, err := h.aliasSrvc.GetByUser(user.ID)
+	if err != nil {
+		conf.Log().Request(r).Error("error while building alias map - %v", err)
+		return &view.SettingsViewModel{Error: criticalError}
+	}
 	aliasMap := make(map[string][]*models.Alias)
 	for _, a := range aliases {
 		k := fmt.Sprintf("%s_%d", a.Key, a.Type)
@ -571,10 +650,42 @@ func (h *SettingsHandler) buildViewModel(r *http.Request) *view.SettingsViewMode
 		combinedAliases = append(combinedAliases, ca)
 	}

+	// labels
+	labelMap, err := h.projectLabelSrvc.GetByUserGrouped(user.ID)
+	if err != nil {
+		conf.Log().Request(r).Error("error while building settings project label map - %v", err)
+		return &view.SettingsViewModel{Error: criticalError}
+	}
+
+	combinedLabels := make([]*view.SettingsVMCombinedLabel, 0)
+	for _, l := range labelMap {
+		cl := &view.SettingsVMCombinedLabel{
+			Key:    l[0].ProjectKey,
+			Values: make([]string, len(l)),
+		}
+		for i, l1 := range l {
+			cl.Values[i] = l1.Label
+		}
+		combinedLabels = append(combinedLabels, cl)
+	}
+	sort.Slice(combinedLabels, func(i, j int) bool {
+		return strings.Compare(combinedLabels[i].Key, combinedLabels[j].Key) < 0
+	})
+
+	// projects
+	projects, err := h.heartbeatSrvc.GetEntitySetByUser(models.SummaryProject, user)
+	if err != nil {
+		conf.Log().Request(r).Error("error while fetching projects - %v", err)
+		return &view.SettingsViewModel{Error: criticalError}
+	}
+	sort.Strings(projects)
+
 	return &view.SettingsViewModel{
 		User:             user,
 		LanguageMappings: mappings,
 		Aliases:          combinedAliases,
+		Labels:           combinedLabels,
+		Projects:         projects,
 		Success:          r.URL.Query().Get("success"),
 		Error:            r.URL.Query().Get("error"),
 	}
--- a/services/diagnostics.go
+++ b/services/diagnostics.go
@ -0,0 +1,23 @@
+package services
+
+import (
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+)
+
+type DiagnosticsService struct {
+	config     *config.Config
+	repository repositories.IDiagnosticsRepository
+}
+
+func NewDiagnosticsService(diagnosticsRepo repositories.IDiagnosticsRepository) *DiagnosticsService {
+	return &DiagnosticsService{
+		config:     config.Get(),
+		repository: diagnosticsRepo,
+	}
+}
+
+func (srv *DiagnosticsService) Create(diagnostics *models.Diagnostics) (*models.Diagnostics, error) {
+	return srv.repository.Insert(diagnostics)
+}
--- a/services/heartbeat.go
+++ b/services/heartbeat.go
@ -2,10 +2,12 @@ package services

 import (
 	"fmt"
+	"github.com/leandro-lugaresi/hub"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/repositories"
 	"github.com/muety/wakapi/utils"
 	"github.com/patrickmn/go-cache"
+	"strings"
 	"time"

 	"github.com/muety/wakapi/models"
@ -14,17 +16,35 @@ import (
 type HeartbeatService struct {
 	config              *config.Config
 	cache               *cache.Cache
+	cache2              *cache.Cache
+	eventBus            *hub.Hub
 	repository          repositories.IHeartbeatRepository
 	languageMappingSrvc ILanguageMappingService
 }

 func NewHeartbeatService(heartbeatRepo repositories.IHeartbeatRepository, languageMappingService ILanguageMappingService) *HeartbeatService {
-	return &HeartbeatService{
+	srv := &HeartbeatService{
 		config:              config.Get(),
 		cache:               cache.New(24*time.Hour, 24*time.Hour),
+		cache2:              cache.New(cache.NoExpiration, cache.NoExpiration),
+		eventBus:            config.EventBus(),
 		repository:          heartbeatRepo,
 		languageMappingSrvc: languageMappingService,
 	}
+
+	// using event hub is an unnecessary indirection here, however, we might
+	// potentially need heartbeat events elsewhere throughout the application some time
+	// so it's more consistent to already have it this way
+	sub1 := srv.eventBus.Subscribe(0, config.EventHeartbeatCreate)
+	go func(sub *hub.Subscription) {
+		for m := range sub.Receiver {
+			heartbeat := m.Fields[config.FieldPayload].(*models.Heartbeat)
+			srv.cache.IncrementInt64(srv.countByUserCacheKey(heartbeat.UserID), 1) // increment doesn't update expiration time
+			srv.cache.IncrementInt64(srv.countTotalCacheKey(), 1)
+		}
+	}(&sub1)
+
+	return srv
 }

 func (srv *HeartbeatService) Insert(heartbeat *models.Heartbeat) error {
@ -45,19 +65,64 @@ func (srv *HeartbeatService) InsertBatch(heartbeats []*models.Heartbeat) error {
 		srv.updateEntityUserCacheByHeartbeat(hb)
 	}

-	return srv.repository.InsertBatch(filteredHeartbeats)
+	err := srv.repository.InsertBatch(filteredHeartbeats)
+	if err == nil {
+		go srv.notifyBatch(filteredHeartbeats)
+	}
+	return err
 }

 func (srv *HeartbeatService) Count() (int64, error) {
-	return srv.repository.Count()
+	result, ok := srv.cache.Get(srv.countTotalCacheKey())
+	if ok {
+		return result.(int64), nil
+	}
+	count, err := srv.repository.Count()
+	if err == nil {
+		srv.cache.Set(srv.countTotalCacheKey(), count, srv.countCacheTtl())
+	}
+	return count, err
 }

 func (srv *HeartbeatService) CountByUser(user *models.User) (int64, error) {
-	return srv.repository.CountByUser(user)
+	key := srv.countByUserCacheKey(user.ID)
+	result, ok := srv.cache.Get(key)
+	if ok {
+		return result.(int64), nil
+	}
+	count, err := srv.repository.CountByUser(user)
+	if err == nil {
+		srv.cache.Set(key, count, srv.countCacheTtl())
+	}
+	return count, err
 }

 func (srv *HeartbeatService) CountByUsers(users []*models.User) ([]*models.CountByUser, error) {
-	return srv.repository.CountByUsers(users)
+	missingUsers := make([]*models.User, 0, len(users))
+	userCounts := make([]*models.CountByUser, 0, len(users))
+
+	for _, u := range users {
+		key := srv.countByUserCacheKey(u.ID)
+		result, ok := srv.cache.Get(key)
+		if ok {
+			userCounts = append(userCounts, &models.CountByUser{User: u.ID, Count: result.(int64)})
+		} else {
+			missingUsers = append(missingUsers, u)
+		}
+	}
+
+	counts, err := srv.repository.CountByUsers(missingUsers)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, uc := range counts {
+		key := srv.countByUserCacheKey(uc.User)
+		srv.cache.Set(key, uc.Count, srv.countCacheTtl())
+		userCounts = append(userCounts, uc)
+	}
+
+	return userCounts, nil
 }

 func (srv *HeartbeatService) GetAllWithin(from, to time.Time, user *models.User) ([]*models.Heartbeat, error) {
@ -82,7 +147,7 @@ func (srv *HeartbeatService) GetFirstByUsers() ([]*models.TimeByUser, error) {

 func (srv *HeartbeatService) GetEntitySetByUser(entityType uint8, user *models.User) ([]string, error) {
 	cacheKey := srv.getEntityUserCacheKey(entityType, user)
-	if results, found := srv.cache.Get(cacheKey); found {
+	if results, found := srv.cache2.Get(cacheKey); found {
 		return utils.SetToStrings(results.(map[string]bool)), nil
 	}

@ -90,8 +155,16 @@ func (srv *HeartbeatService) GetEntitySetByUser(entityType uint8, user *models.U
 	if err != nil {
 		return nil, err
 	}
-	srv.cache.Set(cacheKey, utils.StringsToSet(results), cache.DefaultExpiration)
-	return results, nil
+
+	filtered := make([]string, 0, len(results))
+	for _, r := range results {
+		if strings.TrimSpace(r) != "" {
+			filtered = append(filtered, r)
+		}
+	}
+
+	srv.cache2.Set(cacheKey, utils.StringsToSet(filtered), cache.DefaultExpiration)
+	return filtered, nil
 }

 func (srv *HeartbeatService) DeleteBefore(t time.Time) error {
@ -117,11 +190,11 @@ func (srv *HeartbeatService) getEntityUserCacheKey(entityType uint8, user *model

 func (srv *HeartbeatService) updateEntityUserCache(entityType uint8, entityKey string, user *models.User) {
 	cacheKey := srv.getEntityUserCacheKey(entityType, user)
-	if entities, found := srv.cache.Get(cacheKey); found {
+	if entities, found := srv.cache2.Get(cacheKey); found {
 		if _, ok := entities.(map[string]bool)[entityKey]; !ok {
 			// new project / language / ..., which is not yet present in cache, arrived as part of a heartbeats
 			// -> invalidate cache
-			srv.cache.Delete(cacheKey)
+			srv.cache2.Delete(cacheKey)
 		}
 	}
 }
@ -133,3 +206,24 @@ func (srv *HeartbeatService) updateEntityUserCacheByHeartbeat(hb *models.Heartbe
 	srv.updateEntityUserCache(models.SummaryOS, hb.OperatingSystem, hb.User)
 	srv.updateEntityUserCache(models.SummaryMachine, hb.Machine, hb.User)
 }
+
+func (srv *HeartbeatService) notifyBatch(heartbeats []*models.Heartbeat) {
+	for _, hb := range heartbeats {
+		srv.eventBus.Publish(hub.Message{
+			Name:   config.EventHeartbeatCreate,
+			Fields: map[string]interface{}{config.FieldPayload: hb},
+		})
+	}
+}
+
+func (srv *HeartbeatService) countByUserCacheKey(userId string) string {
+	return fmt.Sprintf("%s--hearbeat-count", userId)
+}
+
+func (srv *HeartbeatService) countTotalCacheKey() string {
+	return "heartbeat-count"
+}
+
+func (srv *HeartbeatService) countCacheTtl() time.Duration {
+	return time.Duration(srv.config.App.CountCacheTTLMin) * time.Minute
+}
--- a/services/imports/wakatime.go
+++ b/services/imports/wakatime.go
@ -106,6 +106,7 @@ func (w *WakatimeHeartbeatImporter) ImportAll(user *models.User) <-chan *models.
 }

 // https://wakatime.com/api/v1/users/current/heartbeats?date=2021-02-05
+// https://pastr.de/p/b5p4od5s8w0pfntmwoi117jy
 func (w *WakatimeHeartbeatImporter) fetchHeartbeats(day string) ([]*wakatime.HeartbeatEntry, error) {
 	httpClient := &http.Client{Timeout: 10 * time.Second}

@ -134,6 +135,7 @@ func (w *WakatimeHeartbeatImporter) fetchHeartbeats(day string) ([]*wakatime.Hea
 }

 // https://wakatime.com/api/v1/users/current/all_time_since_today
+// https://pastr.de/p/w8xb4biv575pu32pox7jj2gr
 func (w *WakatimeHeartbeatImporter) fetchRange() (time.Time, time.Time, error) {
 	httpClient := &http.Client{Timeout: 10 * time.Second}

@ -168,6 +170,7 @@ func (w *WakatimeHeartbeatImporter) fetchRange() (time.Time, time.Time, error) {
 }

 // https://wakatime.com/api/v1/users/current/user_agents
+// https://pastr.de/p/05k5do8q108k94lic4lfl3pc
 func (w *WakatimeHeartbeatImporter) fetchUserAgents() (map[string]*wakatime.UserAgentEntry, error) {
 	httpClient := &http.Client{Timeout: 10 * time.Second}

@ -195,6 +198,7 @@ func (w *WakatimeHeartbeatImporter) fetchUserAgents() (map[string]*wakatime.User
 }

 // https://wakatime.com/api/v1/users/current/machine_names
+// https://pastr.de/p/v58cv0xrupp3zvyyv8o6973j
 func (w *WakatimeHeartbeatImporter) fetchMachineNames() (map[string]*wakatime.MachineEntry, error) {
 	httpClient := &http.Client{Timeout: 10 * time.Second}

@ -261,6 +265,7 @@ func mapHeartbeat(
 		Editor:          ua.Editor,
 		OperatingSystem: ua.Os,
 		Machine:         ma.Value,
+		UserAgent:       ua.Value,
 		Time:            entry.Time,
 		Origin:          OriginWakatime,
 		OriginId:        entry.Id,
--- a/services/mail/mail.go
+++ b/services/mail/mail.go
@ -7,21 +7,21 @@ import (
 	"github.com/muety/wakapi/routes"
 	"github.com/muety/wakapi/services"
 	"github.com/muety/wakapi/utils"
-	"html/template"
-	"io/ioutil"
+	"github.com/muety/wakapi/views/mail"
 	"time"

 	conf "github.com/muety/wakapi/config"
-	"github.com/muety/wakapi/views"
 )

 const (
-	tplNamePasswordReset      = "reset_password"
-	tplNameImportNotification = "import_finished"
-	tplNameReport             = "report"
-	subjectPasswordReset      = "Wakapi - Password Reset"
-	subjectImportNotification = "Wakapi - Data Import Finished"
-	subjectReport             = "Wakapi - Report from %s"
+	tplNamePasswordReset               = "reset_password"
+	tplNameImportNotification          = "import_finished"
+	tplNameWakatimeFailureNotification = "wakatime_connection_failure"
+	tplNameReport                      = "report"
+	subjectPasswordReset               = "Wakapi - Password Reset"
+	subjectImportNotification          = "Wakapi - Data Import Finished"
+	subjectWakatimeFailureNotification = "Wakapi - WakaTime Connection Failure"
+	subjectReport                      = "Wakapi - Report from %s"
 )

 type SendingService interface {
@ -31,6 +31,7 @@ type SendingService interface {
 type MailService struct {
 	config         *conf.Config
 	sendingService SendingService
+	templates      utils.TemplateMap
 }

 func NewMailService() services.IMailService {
@ -47,11 +48,18 @@ func NewMailService() services.IMailService {
 		}
 	}

-	return &MailService{sendingService: sendingService, config: config}
+	// Use local file system when in 'dev' environment, go embed file system otherwise
+	templateFs := conf.ChooseFS("views/mail", mail.TemplateFiles)
+	templates, err := utils.LoadTemplates(templateFs, routes.DefaultTemplateFuncs())
+	if err != nil {
+		panic(err)
+	}
+
+	return &MailService{sendingService: sendingService, config: config, templates: templates}
 }

 func (m *MailService) SendPasswordReset(recipient *models.User, resetLink string) error {
-	tpl, err := getPasswordResetTemplate(PasswordResetTplData{ResetLink: resetLink})
+	tpl, err := m.getPasswordResetTemplate(PasswordResetTplData{ResetLink: resetLink})
 	if err != nil {
 		return err
 	}
@ -64,8 +72,25 @@ func (m *MailService) SendPasswordReset(recipient *models.User, resetLink string
 	return m.sendingService.Send(mail)
 }

+func (m *MailService) SendWakatimeFailureNotification(recipient *models.User, numFailures int) error {
+	tpl, err := m.getWakatimeFailureNotificationTemplate(WakatimeFailureNotificationNotificationTplData{
+		PublicUrl:   m.config.Server.PublicUrl,
+		NumFailures: numFailures,
+	})
+	if err != nil {
+		return err
+	}
+	mail := &models.Mail{
+		From:    models.MailAddress(m.config.Mail.Sender),
+		To:      models.MailAddresses([]models.MailAddress{models.MailAddress(recipient.Email)}),
+		Subject: subjectWakatimeFailureNotification,
+	}
+	mail.WithHTML(tpl.String())
+	return m.sendingService.Send(mail)
+}
+
 func (m *MailService) SendImportNotification(recipient *models.User, duration time.Duration, numHeartbeats int) error {
-	tpl, err := getImportNotificationTemplate(ImportNotificationTplData{
+	tpl, err := m.getImportNotificationTemplate(ImportNotificationTplData{
 		PublicUrl:     m.config.Server.PublicUrl,
 		Duration:      fmt.Sprintf("%.0f seconds", duration.Seconds()),
 		NumHeartbeats: numHeartbeats,
@ -83,7 +108,7 @@ func (m *MailService) SendImportNotification(recipient *models.User, duration ti
 }

 func (m *MailService) SendReport(recipient *models.User, report *models.Report) error {
-	tpl, err := getReportTemplate(ReportTplData{report})
+	tpl, err := m.getReportTemplate(ReportTplData{report})
 	if err != nil {
 		return err
 	}
@ -96,56 +121,38 @@ func (m *MailService) SendReport(recipient *models.User, report *models.Report)
 	return m.sendingService.Send(mail)
 }

-func getPasswordResetTemplate(data PasswordResetTplData) (*bytes.Buffer, error) {
-	tpl, err := loadTemplate(tplNamePasswordReset)
-	if err != nil {
-		return nil, err
-	}
+func (m *MailService) getPasswordResetTemplate(data PasswordResetTplData) (*bytes.Buffer, error) {
 	var rendered bytes.Buffer
-	if err := tpl.Execute(&rendered, data); err != nil {
+	if err := m.templates[m.fmtName(tplNamePasswordReset)].Execute(&rendered, data); err != nil {
 		return nil, err
 	}
 	return &rendered, nil
 }

-func getImportNotificationTemplate(data ImportNotificationTplData) (*bytes.Buffer, error) {
-	tpl, err := loadTemplate(tplNameImportNotification)
-	if err != nil {
-		return nil, err
-	}
+func (m *MailService) getWakatimeFailureNotificationTemplate(data WakatimeFailureNotificationNotificationTplData) (*bytes.Buffer, error) {
 	var rendered bytes.Buffer
-	if err := tpl.Execute(&rendered, data); err != nil {
+	if err := m.templates[m.fmtName(tplNameWakatimeFailureNotification)].Execute(&rendered, data); err != nil {
 		return nil, err
 	}
 	return &rendered, nil
 }

-func getReportTemplate(data ReportTplData) (*bytes.Buffer, error) {
-	tpl, err := loadTemplate(tplNameReport)
-	if err != nil {
-		return nil, err
-	}
+func (m *MailService) getImportNotificationTemplate(data ImportNotificationTplData) (*bytes.Buffer, error) {
 	var rendered bytes.Buffer
-	if err := tpl.Execute(&rendered, data); err != nil {
+	if err := m.templates[m.fmtName(tplNameImportNotification)].Execute(&rendered, data); err != nil {
 		return nil, err
 	}
 	return &rendered, nil
 }

-func loadTemplate(tplName string) (*template.Template, error) {
-	tplFile, err := views.TemplateFiles.Open(fmt.Sprintf("mail/%s.tpl.html", tplName))
-	if err != nil {
+func (m *MailService) getReportTemplate(data ReportTplData) (*bytes.Buffer, error) {
+	var rendered bytes.Buffer
+	if err := m.templates[m.fmtName(tplNameReport)].Execute(&rendered, data); err != nil {
 		return nil, err
 	}
-	defer tplFile.Close()
-
-	tplData, err := ioutil.ReadAll(tplFile)
-	if err != nil {
-		return nil, err
-	}
-
-	return template.
-		New(tplName).
-		Funcs(routes.DefaultTemplateFuncs()).
-		Parse(string(tplData))
+	return &rendered, nil
+}
+
+func (m *MailService) fmtName(name string) string {
+	return fmt.Sprintf("%s.tpl.html", name)
 }
--- a/services/mail/types.go
+++ b/services/mail/types.go
@ -12,6 +12,11 @@ type ImportNotificationTplData struct {
 	NumHeartbeats int
 }

+type WakatimeFailureNotificationNotificationTplData struct {
+	PublicUrl   string
+	NumFailures int
+}
+
 type ReportTplData struct {
 	Report *models.Report
 }
--- a/services/project_label.go
+++ b/services/project_label.go
@ -0,0 +1,94 @@
+package services
+
+import (
+	"errors"
+	"github.com/leandro-lugaresi/hub"
+	"github.com/muety/wakapi/config"
+	"github.com/muety/wakapi/models"
+	"github.com/muety/wakapi/repositories"
+	"github.com/patrickmn/go-cache"
+	"time"
+)
+
+type ProjectLabelService struct {
+	config     *config.Config
+	cache      *cache.Cache
+	eventBus   *hub.Hub
+	repository repositories.IProjectLabelRepository
+}
+
+func NewProjectLabelService(projectLabelRepository repositories.IProjectLabelRepository) *ProjectLabelService {
+	return &ProjectLabelService{
+		config:     config.Get(),
+		eventBus:   config.EventBus(),
+		repository: projectLabelRepository,
+		cache:      cache.New(24*time.Hour, 24*time.Hour),
+	}
+}
+
+func (srv *ProjectLabelService) GetById(id uint) (*models.ProjectLabel, error) {
+	return srv.repository.GetById(id)
+}
+
+func (srv *ProjectLabelService) GetByUser(userId string) ([]*models.ProjectLabel, error) {
+	if labels, found := srv.cache.Get(userId); found {
+		return labels.([]*models.ProjectLabel), nil
+	}
+
+	labels, err := srv.repository.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+	srv.cache.Set(userId, labels, cache.DefaultExpiration)
+	return labels, nil
+}
+
+func (srv *ProjectLabelService) GetByUserGrouped(userId string) (map[string][]*models.ProjectLabel, error) {
+	labels := make(map[string][]*models.ProjectLabel)
+	userLabels, err := srv.GetByUser(userId)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, l := range userLabels {
+		if _, ok := labels[l.ProjectKey]; !ok {
+			labels[l.ProjectKey] = []*models.ProjectLabel{l}
+		} else {
+			labels[l.ProjectKey] = append(labels[l.ProjectKey], l)
+		}
+	}
+
+	return labels, nil
+}
+
+func (srv *ProjectLabelService) Create(label *models.ProjectLabel) (*models.ProjectLabel, error) {
+	result, err := srv.repository.Insert(label)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.Delete(result.UserID)
+	srv.notifyUpdate(label, false)
+	return result, nil
+}
+
+func (srv *ProjectLabelService) Delete(label *models.ProjectLabel) error {
+	if label.UserID == "" {
+		return errors.New("no user id specified")
+	}
+	err := srv.repository.Delete(label.ID)
+	srv.cache.Delete(label.UserID)
+	srv.notifyUpdate(label, true)
+	return err
+}
+
+func (srv *ProjectLabelService) notifyUpdate(label *models.ProjectLabel, isDelete bool) {
+	name := config.EventProjectLabelCreate
+	if isDelete {
+		name = config.EventProjectLabelDelete
+	}
+	srv.eventBus.Publish(hub.Message{
+		Name:   name,
+		Fields: map[string]interface{}{config.FieldPayload: label, config.FieldUserId: label.UserID},
+	})
+}
--- a/services/services.go
+++ b/services/services.go
@ -39,6 +39,10 @@ type IHeartbeatService interface {
 	DeleteBefore(time.Time) error
 }

+type IDiagnosticsService interface {
+	Create(*models.Diagnostics) (*models.Diagnostics, error)
+}
+
 type IKeyValueService interface {
 	GetString(string) (*models.KeyStringValue, error)
 	MustGetString(string) *models.KeyStringValue
@ -54,8 +58,17 @@ type ILanguageMappingService interface {
 	Delete(mapping *models.LanguageMapping) error
 }

+type IProjectLabelService interface {
+	GetById(uint) (*models.ProjectLabel, error)
+	GetByUser(string) ([]*models.ProjectLabel, error)
+	GetByUserGrouped(string) (map[string][]*models.ProjectLabel, error)
+	Create(*models.ProjectLabel) (*models.ProjectLabel, error)
+	Delete(*models.ProjectLabel) error
+}
+
 type IMailService interface {
 	SendPasswordReset(*models.User, string) error
+	SendWakatimeFailureNotification(*models.User, int) error
 	SendImportNotification(*models.User, time.Duration, int) error
 	SendReport(*models.User, *models.Report) error
 }
@ -82,7 +95,7 @@ type IUserService interface {
 	GetUserByResetToken(string) (*models.User, error)
 	GetAll() ([]*models.User, error)
 	GetAllByReports(bool) ([]*models.User, error)
-	GetActive() ([]*models.User, error)
+	GetActive(bool) ([]*models.User, error)
 	Count() (int64, error)
 	CreateOrGet(*models.Signup, bool) (*models.User, bool, error)
 	Update(*models.User) (*models.User, error)
--- a/services/summary.go
+++ b/services/summary.go
@ -1,42 +1,63 @@
 package services

 import (
-	"crypto/md5"
 	"errors"
+	"fmt"
 	"github.com/emvi/logbuch"
+	"github.com/leandro-lugaresi/hub"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
 	"github.com/muety/wakapi/repositories"
 	"github.com/patrickmn/go-cache"
 	"math"
 	"sort"
+	"strings"
 	"time"
 )

 const HeartbeatDiffThreshold = 2 * time.Minute

 type SummaryService struct {
-	config           *config.Config
-	cache            *cache.Cache
-	repository       repositories.ISummaryRepository
-	heartbeatService IHeartbeatService
-	aliasService     IAliasService
+	config              *config.Config
+	cache               *cache.Cache
+	eventBus            *hub.Hub
+	repository          repositories.ISummaryRepository
+	heartbeatService    IHeartbeatService
+	aliasService        IAliasService
+	projectLabelService IProjectLabelService
 }

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

-func NewSummaryService(summaryRepo repositories.ISummaryRepository, heartbeatService IHeartbeatService, aliasService IAliasService) *SummaryService {
-	return &SummaryService{
-		config:           config.Get(),
-		cache:            cache.New(24*time.Hour, 24*time.Hour),
-		repository:       summaryRepo,
-		heartbeatService: heartbeatService,
-		aliasService:     aliasService,
+func NewSummaryService(summaryRepo repositories.ISummaryRepository, heartbeatService IHeartbeatService, aliasService IAliasService, projectLabelService IProjectLabelService) *SummaryService {
+	srv := &SummaryService{
+		config:              config.Get(),
+		cache:               cache.New(24*time.Hour, 24*time.Hour),
+		eventBus:            config.EventBus(),
+		repository:          summaryRepo,
+		heartbeatService:    heartbeatService,
+		aliasService:        aliasService,
+		projectLabelService: projectLabelService,
 	}
+
+	sub1 := srv.eventBus.Subscribe(0, config.TopicProjectLabel)
+	go func(sub *hub.Subscription) {
+		for m := range sub.Receiver {
+			userId := m.Fields[config.FieldUserId].(string)
+			for key := range srv.cache.Items() {
+				if strings.HasSuffix(key, fmt.Sprintf("__%s__--aliased", userId)) {
+					srv.cache.Delete(key)
+				}
+			}
+		}
+	}(&sub1)
+
+	return srv
 }

 // Public summary generation methods

+// Aliased retrieves or computes a new summary based on the given SummaryRetriever and augments it with entity aliases and project labels
 func (srv *SummaryService) Aliased(from, to time.Time, user *models.User, f SummaryRetriever, skipCache bool) (*models.Summary, error) {
 	// Check cache
 	cacheKey := srv.getHash(from.String(), to.String(), user.ID, "--aliased")
@ -63,17 +84,15 @@ func (srv *SummaryService) Aliased(from, to time.Time, user *models.User, f Summ

 	// Post-process summary and cache it
 	summary := s.WithResolvedAliases(resolve)
+	summary = srv.withProjectLabels(summary)
+	summary.FillBy(models.SummaryProject, models.SummaryLabel) // first fill up labels from projects
+	summary.FillMissing()                                      // then, full up types which are entirely missing
+
 	srv.cache.SetDefault(cacheKey, summary)
 	return summary.Sorted(), nil
 }

 func (srv *SummaryService) Retrieve(from, to time.Time, user *models.User) (*models.Summary, error) {
-	// Check cache
-	cacheKey := srv.getHash(from.String(), to.String(), user.ID)
-	if cacheResult, ok := srv.cache.Get(cacheKey); ok {
-		return cacheResult.(*models.Summary), nil
-	}
-
 	// Get all already existing, pre-generated summaries that fall into the requested interval
 	summaries, err := srv.repository.GetByUserWithin(user, from, to)
 	if err != nil {
@ -96,8 +115,6 @@ func (srv *SummaryService) Retrieve(from, to time.Time, user *models.User) (*mod
 		return nil, err
 	}

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

@ -110,7 +127,7 @@ func (srv *SummaryService) Summarize(from, to time.Time, user *models.User) (*mo
 		return nil, err
 	}

-	types := models.SummaryTypes()
+	types := models.NativeSummaryTypes()

 	typedAggregations := make(chan models.SummaryItemContainer)
 	defer close(typedAggregations)
@ -157,8 +174,6 @@ func (srv *SummaryService) Summarize(from, to time.Time, user *models.User) (*mo
 		Machines:         machineItems,
 	}

-	//summary.FillUnknown()
-
 	return summary.Sorted(), nil
 }

@ -169,10 +184,12 @@ func (srv *SummaryService) GetLatestByUser() ([]*models.TimeByUser, error) {
 }

 func (srv *SummaryService) DeleteByUser(userId string) error {
+	srv.invalidateUserCache(userId)
 	return srv.repository.DeleteByUser(userId)
 }

 func (srv *SummaryService) Insert(summary *models.Summary) error {
+	srv.invalidateUserCache(summary.UserID)
 	return srv.repository.Insert(summary)
 }

@ -220,6 +237,49 @@ func (srv *SummaryService) aggregateBy(heartbeats []*models.Heartbeat, summaryTy
 	c <- models.SummaryItemContainer{Type: summaryType, Items: items}
 }

+func (srv *SummaryService) withProjectLabels(summary *models.Summary) *models.Summary {
+	newEntry := func(key string, total time.Duration) *models.SummaryItem {
+		return &models.SummaryItem{
+			Type:  models.SummaryLabel,
+			Key:   key,
+			Total: total,
+		}
+	}
+
+	allLabels, err := srv.projectLabelService.GetByUser(summary.UserID)
+	if err != nil {
+		logbuch.Error("failed to retrieve project labels for user summary ('%s', '%s', '%s')", summary.UserID, summary.FromTime.String(), summary.ToTime.String())
+		return summary
+	}
+
+	mappedProjects := make(map[string]*models.SummaryItem, len(summary.Projects))
+	for _, p := range summary.Projects {
+		mappedProjects[p.Key] = p
+	}
+
+	var totalLabelTime time.Duration
+	labelMap := make(map[string]*models.SummaryItem, 0)
+	for _, l := range allLabels {
+		if p, ok := mappedProjects[l.ProjectKey]; ok {
+			if _, ok2 := labelMap[l.Label]; !ok2 {
+				labelMap[l.Label] = newEntry(l.Label, 0)
+			}
+			labelMap[l.Label].Total += p.Total
+			totalLabelTime += p.Total
+		}
+	}
+	//labelMap[models.DefaultProjectLabel] = newEntry(models.DefaultProjectLabel, summary.TotalTimeBy(models.SummaryProject) / time.Second-totalLabelTime)
+
+	labels := make([]*models.SummaryItem, 0, len(labelMap))
+	for _, v := range labelMap {
+		if v.Total > 0 {
+			labels = append(labels, v)
+		}
+	}
+	summary.Labels = labels
+	return summary
+}
+
 func (srv *SummaryService) mergeSummaries(summaries []*models.Summary) (*models.Summary, error) {
 	if len(summaries) < 1 {
 		return nil, errors.New("no summaries given")
@ -235,6 +295,7 @@ func (srv *SummaryService) mergeSummaries(summaries []*models.Summary) (*models.
 		Editors:          make([]*models.SummaryItem, 0),
 		OperatingSystems: make([]*models.SummaryItem, 0),
 		Machines:         make([]*models.SummaryItem, 0),
+		Labels:           make([]*models.SummaryItem, 0),
 	}

 	var processed = map[time.Time]bool{}
@ -263,6 +324,7 @@ func (srv *SummaryService) mergeSummaries(summaries []*models.Summary) (*models.
 		finalSummary.Editors = srv.mergeSummaryItems(finalSummary.Editors, s.Editors)
 		finalSummary.OperatingSystems = srv.mergeSummaryItems(finalSummary.OperatingSystems, s.OperatingSystems)
 		finalSummary.Machines = srv.mergeSummaryItems(finalSummary.Machines, s.Machines)
+		finalSummary.Labels = srv.mergeSummaryItems(finalSummary.Labels, s.Labels)

 		processed[hash] = true
 	}
@ -349,9 +411,13 @@ func (srv *SummaryService) getMissingIntervals(from, to time.Time, summaries []*
 }

 func (srv *SummaryService) getHash(args ...string) string {
-	digest := md5.New()
-	for _, a := range args {
-		digest.Write([]byte(a))
-	}
-	return string(digest.Sum(nil))
+	return strings.Join(args, "__")
+}
+
+func (srv *SummaryService) invalidateUserCache(userId string) {
+	for key := range srv.cache.Items() {
+		if strings.Contains(key, userId) {
+			srv.cache.Delete(key)
+		}
+	}
 }
--- a/services/summary_test.go
+++ b/services/summary_test.go
@ -16,6 +16,9 @@ const (
 	TestUserId         = "muety"
 	TestProject1       = "test-project-1"
 	TestProject2       = "test-project-2"
+	TestProjectLabel1  = "private"
+	TestProjectLabel2  = "work"
+	TestProjectLabel3  = "non-existing"
 	TestLanguageGo     = "Go"
 	TestLanguageJava   = "Java"
 	TestLanguagePython = "Python"
@ -31,12 +34,14 @@ const (

 type SummaryServiceTestSuite struct {
 	suite.Suite
-	TestUser          *models.User
-	TestStartTime     time.Time
-	TestHeartbeats    []*models.Heartbeat
-	SummaryRepository *mocks.SummaryRepositoryMock
-	HeartbeatService  *mocks.HeartbeatServiceMock
-	AliasService      *mocks.AliasServiceMock
+	TestUser            *models.User
+	TestStartTime       time.Time
+	TestHeartbeats      []*models.Heartbeat
+	TestLabels          []*models.ProjectLabel
+	SummaryRepository   *mocks.SummaryRepositoryMock
+	HeartbeatService    *mocks.HeartbeatServiceMock
+	AliasService        *mocks.AliasServiceMock
+	ProjectLabelService *mocks.ProjectLabelServiceMock
 }

 func (suite *SummaryServiceTestSuite) SetupSuite() {
@ -75,12 +80,27 @@ func (suite *SummaryServiceTestSuite) SetupSuite() {
 			Time:            models.CustomTime(suite.TestStartTime.Add(3 * time.Minute)),
 		},
 	}
+	suite.TestLabels = []*models.ProjectLabel{
+		{
+			ID:         uint(rand.Uint32()),
+			UserID:     TestUserId,
+			ProjectKey: TestProject1,
+			Label:      TestProjectLabel1,
+		},
+		{
+			ID:         uint(rand.Uint32()),
+			UserID:     TestUserId,
+			ProjectKey: TestProjectLabel3,
+			Label:      "blaahh",
+		},
+	}
 }

 func (suite *SummaryServiceTestSuite) BeforeTest(suiteName, testName string) {
 	suite.SummaryRepository = new(mocks.SummaryRepositoryMock)
 	suite.HeartbeatService = new(mocks.HeartbeatServiceMock)
 	suite.AliasService = new(mocks.AliasServiceMock)
+	suite.ProjectLabelService = new(mocks.ProjectLabelServiceMock)
 }

 func TestSummaryServiceTestSuite(t *testing.T) {
@ -88,7 +108,7 @@ func TestSummaryServiceTestSuite(t *testing.T) {
 }

 func (suite *SummaryServiceTestSuite) TestSummaryService_Summarize() {
-	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService, suite.ProjectLabelService)

 	var (
 		from   time.Time
@ -141,7 +161,7 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Summarize() {
 }

 func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve() {
-	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService, suite.ProjectLabelService)

 	var (
 		summaries []*models.Summary
@ -292,7 +312,9 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve() {
 }

 func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve_DuplicateSummaries() {
-	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService, suite.ProjectLabelService)
+
+	suite.ProjectLabelService.On("GetByUser", suite.TestUser.ID).Return([]*models.ProjectLabel{}, nil)

 	var (
 		summaries []*models.Summary
@ -338,7 +360,9 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Retrieve_DuplicateSumma
 }

 func (suite *SummaryServiceTestSuite) TestSummaryService_Aliased() {
-	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService)
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService, suite.ProjectLabelService)
+
+	suite.ProjectLabelService.On("GetByUser", suite.TestUser.ID).Return([]*models.ProjectLabel{}, nil)

 	var (
 		from   time.Time
@ -348,10 +372,25 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Aliased() {
 	)

 	from, to = suite.TestStartTime, suite.TestStartTime.Add(1*time.Hour)
-	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(filter(from, to, suite.TestHeartbeats), nil)
+
+	heartbeats := filter(from, to, suite.TestHeartbeats)
+	heartbeats = append(heartbeats, &models.Heartbeat{
+		ID:              uint(rand.Uint32()),
+		UserID:          TestUserId,
+		Project:         TestProject2,
+		Language:        TestLanguageGo,
+		Editor:          TestEditorGoland,
+		OperatingSystem: TestOsLinux,
+		Machine:         TestMachine1,
+		Time:            models.CustomTime(heartbeats[len(heartbeats)-1].Time.T().Add(10 * time.Second)),
+	})
+
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(heartbeats, nil)
 	suite.AliasService.On("InitializeUser", TestUserId).Return(nil)
-	suite.AliasService.On("GetAliasOrDefault", TestUserId, models.SummaryProject, TestProject1).Return(TestProject2, nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, TestProject1).Return(TestProject2, nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, TestProject2).Return(TestProject2, nil)
 	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, mock.Anything).Return("", nil)
+	suite.ProjectLabelService.On("GetByUser", suite.TestUser.ID).Return(suite.TestLabels, nil).Once()

 	result, err = sut.Aliased(from, to, suite.TestUser, sut.Summarize, false)

@ -361,6 +400,44 @@ func (suite *SummaryServiceTestSuite) TestSummaryService_Aliased() {
 	assert.NotZero(suite.T(), result.TotalTimeByKey(models.SummaryProject, TestProject2))
 }

+func (suite *SummaryServiceTestSuite) TestSummaryService_Aliased_ProjectLabels() {
+	sut := NewSummaryService(suite.SummaryRepository, suite.HeartbeatService, suite.AliasService, suite.ProjectLabelService)
+
+	var (
+		from   time.Time
+		to     time.Time
+		result *models.Summary
+		err    error
+	)
+
+	from, to = suite.TestStartTime, suite.TestStartTime.Add(1*time.Hour)
+
+	heartbeats := filter(from, to, suite.TestHeartbeats)
+	heartbeats = append(heartbeats, &models.Heartbeat{
+		ID:              uint(rand.Uint32()),
+		UserID:          TestUserId,
+		Project:         TestProject2,
+		Language:        TestLanguageGo,
+		Editor:          TestEditorGoland,
+		OperatingSystem: TestOsLinux,
+		Machine:         TestMachine1,
+		Time:            models.CustomTime(heartbeats[len(heartbeats)-1].Time.T().Add(10 * time.Second)),
+	})
+
+	suite.ProjectLabelService.On("GetByUser", suite.TestUser.ID).Return(suite.TestLabels, nil).Once()
+	suite.HeartbeatService.On("GetAllWithin", from, to, suite.TestUser).Return(heartbeats, nil)
+	suite.AliasService.On("InitializeUser", TestUserId).Return(nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, TestProject1).Return(TestProject1, nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, TestProject2).Return(TestProject1, nil)
+	suite.AliasService.On("GetAliasOrDefault", TestUserId, mock.Anything, mock.Anything).Return("", nil)
+
+	result, err = sut.Aliased(from, to, suite.TestUser, sut.Summarize, false)
+
+	assert.Nil(suite.T(), err)
+	assert.NotNil(suite.T(), result)
+	assert.Equal(suite.T(), 160*time.Second, result.TotalTimeByKey(models.SummaryLabel, TestProjectLabel1))
+}
+
 func filter(from, to time.Time, heartbeats []*models.Heartbeat) []*models.Heartbeat {
 	filtered := make([]*models.Heartbeat, 0, len(heartbeats))
 	for _, h := range heartbeats {
--- a/services/user.go
+++ b/services/user.go
@ -1,6 +1,8 @@
 package services

 import (
+	"fmt"
+	"github.com/emvi/logbuch"
 	"github.com/leandro-lugaresi/hub"
 	"github.com/muety/wakapi/config"
 	"github.com/muety/wakapi/models"
@ -12,19 +14,45 @@ import (
 )

 type UserService struct {
-	config     *config.Config
-	cache      *cache.Cache
-	eventBus   *hub.Hub
-	repository repositories.IUserRepository
+	config      *config.Config
+	cache       *cache.Cache
+	eventBus    *hub.Hub
+	mailService IMailService
+	repository  repositories.IUserRepository
 }

-func NewUserService(userRepo repositories.IUserRepository) *UserService {
-	return &UserService{
-		config:     config.Get(),
-		eventBus:   config.EventBus(),
-		cache:      cache.New(1*time.Hour, 2*time.Hour),
-		repository: userRepo,
+func NewUserService(mailService IMailService, userRepo repositories.IUserRepository) *UserService {
+	srv := &UserService{
+		config:      config.Get(),
+		eventBus:    config.EventBus(),
+		cache:       cache.New(1*time.Hour, 2*time.Hour),
+		mailService: mailService,
+		repository:  userRepo,
 	}
+
+	sub1 := srv.eventBus.Subscribe(0, config.EventWakatimeFailure)
+	go func(sub *hub.Subscription) {
+		for m := range sub.Receiver {
+			user := m.Fields[config.FieldUser].(*models.User)
+			n := m.Fields[config.FieldPayload].(int)
+
+			logbuch.Warn("resetting wakatime api key for user %s, because of too many failures (%d)", user.ID, n)
+
+			if _, err := srv.SetWakatimeApiKey(user, ""); err != nil {
+				logbuch.Error("failed to set wakatime api key for user %s", user.ID)
+			}
+
+			if user.Email != "" {
+				if err := mailService.SendWakatimeFailureNotification(user, n); err != nil {
+					logbuch.Error("failed to send wakatime failure notification mail to user %s", user.ID)
+				} else {
+					logbuch.Info("sent wakatime connection failure mail to %s", user.ID)
+				}
+			}
+		}
+	}(&sub1)
+
+	return srv
 }

 func (srv *UserService) GetUserById(userId string) (*models.User, error) {
@ -51,7 +79,7 @@ func (srv *UserService) GetUserByKey(key string) (*models.User, error) {
 		return nil, err
 	}

-	srv.cache.Set(u.ID, u, cache.DefaultExpiration)
+	srv.cache.SetDefault(u.ID, u)
 	return u, nil
 }

@ -71,9 +99,24 @@ func (srv *UserService) GetAllByReports(reportsEnabled bool) ([]*models.User, er
 	return srv.repository.GetAllByReports(reportsEnabled)
 }

-func (srv *UserService) GetActive() ([]*models.User, error) {
+func (srv *UserService) GetActive(exact bool) ([]*models.User, error) {
 	minDate := time.Now().Add(-24 * time.Hour * time.Duration(srv.config.App.InactiveDays))
-	return srv.repository.GetByLastActiveAfter(minDate)
+	if !exact {
+		minDate = utils.FloorDateHour(minDate)
+	}
+
+	cacheKey := fmt.Sprintf("%s--active", minDate.String())
+	if u, ok := srv.cache.Get(cacheKey); ok {
+		return u.([]*models.User), nil
+	}
+
+	results, err := srv.repository.GetByLastActiveAfter(minDate)
+	if err != nil {
+		return nil, err
+	}
+
+	srv.cache.SetDefault(cacheKey, results)
+	return results, nil
 }

 func (srv *UserService) Count() (int64, error) {
--- a/sonar-project.properties
+++ b/sonar-project.properties
@ -1,3 +1,3 @@
-sonar.exclusions=**/*_test.go,.idea/**,.vscode/**,mocks/**,static/**
+sonar.exclusions=**/*_test.go,.idea/**,.vscode/**,mocks/**,static/**,views/mail/**
 sonar.tests=.
 sonar.go.coverage.reportPaths=coverage/coverage.out
--- a/static/assets/app.js
+++ b/static/assets/app.js
@ -5,16 +5,18 @@ 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 labelsCanvas = document.getElementById('chart-label')

 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 labelContainer = document.getElementById('label-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]
+const containers = [projectContainer, osContainer, editorContainer, languageContainer, machineContainer, labelContainer]
+const canvases = [projectsCanvas, osCanvas, editorsCanvas, languagesCanvas, machinesCanvas, labelsCanvas]
+const data = [wakapiData.projects, wakapiData.operatingSystems, wakapiData.editors, wakapiData.languages, wakapiData.machines, wakapiData.labels]

 let topNPickers = [...document.getElementsByClassName('top-picker')]
 topNPickers.sort(((a, b) => parseInt(a.attributes['data-entity'].value) - parseInt(b.attributes['data-entity'].value)))
@ -32,10 +34,10 @@ Chart.defaults.global.defaultFontColor = "#E2E8F0"
 Chart.defaults.global.defaultColor = "#E2E8F0"

 String.prototype.toHHMMSS = function () {
-    var sec_num = parseInt(this, 10)
-    var hours = Math.floor(sec_num / 3600)
-    var minutes = Math.floor((sec_num - (hours * 3600)) / 60)
-    var seconds = sec_num - (hours * 3600) - (minutes * 60)
+    const sec_num = parseInt(this, 10)
+    let hours = Math.floor(sec_num / 3600)
+    let minutes = Math.floor((sec_num - (hours * 3600)) / 60)
+    let seconds = sec_num - (hours * 3600) - (minutes * 60)

    if (hours < 10) {
        hours = '0' + hours
@ -46,14 +48,14 @@ String.prototype.toHHMMSS = function () {
    if (seconds < 10) {
        seconds = '0' + seconds
    }
-    return hours + ':' + minutes + ':' + seconds
+    return `${hours}:${minutes}:${seconds}`
 }

 String.prototype.toHHMM = function () {
    const sec_num = parseInt(this, 10)
    const hours = Math.floor(sec_num / 3600)
    const minutes = Math.floor((sec_num - (hours * 3600)) / 60)
-    return hours + ':' + minutes
+    return `${hours}:${minutes}`
 }

 function draw(subselection) {
@ -78,7 +80,7 @@ function draw(subselection) {
        .filter((c, i) => shouldUpdate(i))
        .forEach(c => c.destroy())

-    let projectChart = !projectsCanvas.classList.contains('hidden') && shouldUpdate(0)
+    let projectChart = projectsCanvas && !projectsCanvas.classList.contains('hidden') && shouldUpdate(0)
        ? new Chart(projectsCanvas.getContext('2d'), {
            type: 'horizontalBar',
            data: {
@ -112,7 +114,10 @@ function draw(subselection) {
                    xAxes: [{
                        scaleLabel: {
                            display: true,
-                            labelString: 'Seconds'
+                            labelString: 'Duration (hh:mm:ss)'
+                        },
+                        ticks: {
+                            callback: (label) => label.toString().toHHMMSS()
                        }
                    }]
                },
@ -123,7 +128,7 @@ function draw(subselection) {
        })
        : null

-    let osChart = !osCanvas.classList.contains('hidden') && shouldUpdate(1)
+    let osChart = osCanvas && !osCanvas.classList.contains('hidden') && shouldUpdate(1)
        ? new Chart(osCanvas.getContext('2d'), {
            type: 'pie',
            data: {
@ -156,7 +161,7 @@ function draw(subselection) {
        })
        : null

-    let editorChart = !editorsCanvas.classList.contains('hidden') && shouldUpdate(2)
+    let editorChart = editorsCanvas && !editorsCanvas.classList.contains('hidden') && shouldUpdate(2)
        ? new Chart(editorsCanvas.getContext('2d'), {
            type: 'pie',
            data: {
@ -189,7 +194,7 @@ function draw(subselection) {
        })
        : null

-    let languageChart = !languagesCanvas.classList.contains('hidden') && shouldUpdate(3)
+    let languageChart = languagesCanvas && !languagesCanvas.classList.contains('hidden') && shouldUpdate(3)
        ? new Chart(languagesCanvas.getContext('2d'), {
            type: 'pie',
            data: {
@ -222,7 +227,7 @@ function draw(subselection) {
        })
        : null

-    let machineChart = !machinesCanvas.classList.contains('hidden') && shouldUpdate(4)
+    let machineChart = machinesCanvas && !machinesCanvas.classList.contains('hidden') && shouldUpdate(4)
        ? new Chart(machinesCanvas.getContext('2d'), {
            type: 'pie',
            data: {
@ -255,9 +260,42 @@ function draw(subselection) {
        })
        : null

+    let labelChart = labelsCanvas && !labelsCanvas.classList.contains('hidden') && shouldUpdate(5)
+        ? new Chart(labelsCanvas.getContext('2d'), {
+            type: 'pie',
+            data: {
+                datasets: [{
+                    data: wakapiData.labels
+                        .slice(0, Math.min(showTopN[5], wakapiData.labels.length))
+                        .map(p => parseInt(p.total)),
+                    backgroundColor: wakapiData.labels.map(p => {
+                        const c = hexToRgb(getRandomColor(p.key))
+                        return `rgba(${c.r}, ${c.g}, ${c.b}, 0.6)`
+                    }),
+                    hoverBackgroundColor: wakapiData.labels.map(p => {
+                        const c = hexToRgb(getRandomColor(p.key))
+                        return `rgba(${c.r}, ${c.g}, ${c.b}, 0.8)`
+                    }),
+                    borderColor: wakapiData.labels.map(p => {
+                        const c = hexToRgb(getRandomColor(p.key))
+                        return `rgba(${c.r}, ${c.g}, ${c.b}, 1)`
+                    }),
+                }],
+                labels: wakapiData.labels
+                    .slice(0, Math.min(showTopN[5], wakapiData.labels.length))
+                    .map(p => p.key)
+            },
+            options: {
+                tooltips: getTooltipOptions('labels'),
+                maintainAspectRatio: false,
+                onResize: onChartResize
+            }
+        })
+        : null
+
    getTotal(wakapiData.operatingSystems)

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

    if (!subselection) {
        charts.forEach(c => c.options.onResize(c.chart))
@ -270,9 +308,12 @@ function parseTopN() {
 }

 function togglePlaceholders(mask) {
-    const placeholderElements = containers.map(c => c.querySelector('.placeholder-container'))
+    const placeholderElements = containers.map(c => c ? c.querySelector('.placeholder-container'): null)

    for (let i = 0; i < mask.length; i++) {
+        if (placeholderElements[i] === null) {
+            continue;
+        }
        if (!mask[i]) {
            canvases[i].classList.add('hidden')
            placeholderElements[i].classList.remove('hidden')
--- a/static/assets/images/jetbrains-logo.png
+++ b/static/assets/images/jetbrains-logo.png
--- a/static/assets/vendor/tailwind.dist.css
+++ b/static/assets/vendor/tailwind.dist.css
@ -641,6 +641,12 @@ video {
  background-color: rgba(47, 133, 90, var(--bg-opacity));
 }

+.hover\:bg-gray-700:hover {
+  --bg-opacity: 1;
+  background-color: #4a5568;
+  background-color: rgba(74, 85, 104, var(--bg-opacity));
+}
+
 .hover\:bg-red-600:hover {
  --bg-opacity: 1;
  background-color: #e53e3e;
@ -713,6 +719,10 @@ video {
  border-radius: 0.375rem;
 }

+.rounded-full {
+  border-radius: 9999px;
+}
+
 .border {
  border-width: 1px;
 }
@ -753,6 +763,10 @@ video {
  display: flex;
 }

+.inline-flex {
+  display: inline-flex;
+}
+
 .table {
  display: table;
 }
@ -821,6 +835,10 @@ video {
  font-weight: 600;
 }

+.h-4 {
+  height: 1rem;
+}
+
 .h-8 {
  height: 2rem;
 }
@ -853,6 +871,10 @@ video {
  font-size: 2.25rem;
 }

+.leading-none {
+  line-height: 1;
+}
+
 .list-inside {
  list-style-position: inside;
 }
@ -1186,6 +1208,10 @@ video {
  overflow-wrap: break-word;
 }

+.w-4 {
+  width: 1rem;
+}
+
 .w-1\/2 {
  width: 50%;
 }
--- a/static/docs/docs.go
+++ b/static/docs/docs.go
@ -160,6 +160,75 @@ var doc = `{
                }
            }
        },
+        "/compat/wakatime/v1/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-3",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/compat/wakatime/v1/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-7",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
        "/compat/wakatime/v1/users/{user}/projects": {
            "get": {
                "security": [
@ -361,7 +430,7 @@ var doc = `{
                "operationId": "post-heartbeat",
                "parameters": [
                    {
-                        "description": "A heartbeat",
+                        "description": "A single heartbeat",
                        "name": "heartbeat",
                        "in": "body",
                        "required": true,
@ -377,6 +446,75 @@ var doc = `{
                }
            }
        },
+        "/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-5",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/plugins/errors": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "diagnostics"
+                ],
+                "summary": "Push a new diagnostics object",
+                "operationId": "post-diagnostics",
+                "parameters": [
+                    {
+                        "description": "A single diagnostics object sent by WakaTime CLI",
+                        "name": "diagnostics",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Diagnostics"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
        "/summary": {
            "get": {
                "security": [
@ -441,9 +579,173 @@ var doc = `{
                    }
                }
            }
+        },
+        "/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-4",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-8",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/v1/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-2",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/v1/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-6",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
        }
    },
    "definitions": {
+        "models.Diagnostics": {
+            "type": "object",
+            "properties": {
+                "architecture": {
+                    "type": "string"
+                },
+                "cli_version": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "logs": {
+                    "type": "string"
+                },
+                "platform": {
+                    "type": "string"
+                },
+                "plugin": {
+                    "type": "string"
+                },
+                "stacktrace": {
+                    "type": "string"
+                }
+            }
+        },
        "models.Heartbeat": {
            "type": "object",
            "properties": {
@ -506,6 +808,13 @@ var doc = `{
                    "format": "date",
                    "example": "2006-01-02 15:04:05.000"
                },
+                "labels": {
+                    "description": "labels are not persisted, but calculated at runtime, i.e. when summary is retrieved",
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/models.SummaryItem"
+                    }
+                },
                "languages": {
                    "type": "array",
                    "items": {
--- a/static/docs/swagger.json
+++ b/static/docs/swagger.json
@ -144,6 +144,75 @@
                }
            }
        },
+        "/compat/wakatime/v1/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-3",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/compat/wakatime/v1/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-7",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
        "/compat/wakatime/v1/users/{user}/projects": {
            "get": {
                "security": [
@ -345,7 +414,7 @@
                "operationId": "post-heartbeat",
                "parameters": [
                    {
-                        "description": "A heartbeat",
+                        "description": "A single heartbeat",
                        "name": "heartbeat",
                        "in": "body",
                        "required": true,
@ -361,6 +430,75 @@
                }
            }
        },
+        "/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-5",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/plugins/errors": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "diagnostics"
+                ],
+                "summary": "Push a new diagnostics object",
+                "operationId": "post-diagnostics",
+                "parameters": [
+                    {
+                        "description": "A single diagnostics object sent by WakaTime CLI",
+                        "name": "diagnostics",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Diagnostics"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
        "/summary": {
            "get": {
                "security": [
@ -425,9 +563,173 @@
                    }
                }
            }
+        },
+        "/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-4",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-8",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/v1/users/{user}/heartbeats": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push a new heartbeat",
+                "operationId": "post-heartbeat-2",
+                "parameters": [
+                    {
+                        "description": "A single heartbeat",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "$ref": "#/definitions/models.Heartbeat"
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
+        },
+        "/v1/users/{user}/heartbeats.bulk": {
+            "post": {
+                "security": [
+                    {
+                        "ApiKeyAuth": []
+                    }
+                ],
+                "consumes": [
+                    "application/json"
+                ],
+                "tags": [
+                    "heartbeat"
+                ],
+                "summary": "Push new heartbeats",
+                "operationId": "post-heartbeat-6",
+                "parameters": [
+                    {
+                        "description": "Multiple heartbeats",
+                        "name": "heartbeat",
+                        "in": "body",
+                        "required": true,
+                        "schema": {
+                            "type": "array",
+                            "items": {
+                                "$ref": "#/definitions/models.Heartbeat"
+                            }
+                        }
+                    }
+                ],
+                "responses": {
+                    "201": {
+                        "description": ""
+                    }
+                }
+            }
        }
    },
    "definitions": {
+        "models.Diagnostics": {
+            "type": "object",
+            "properties": {
+                "architecture": {
+                    "type": "string"
+                },
+                "cli_version": {
+                    "type": "string"
+                },
+                "id": {
+                    "type": "integer"
+                },
+                "logs": {
+                    "type": "string"
+                },
+                "platform": {
+                    "type": "string"
+                },
+                "plugin": {
+                    "type": "string"
+                },
+                "stacktrace": {
+                    "type": "string"
+                }
+            }
+        },
        "models.Heartbeat": {
            "type": "object",
            "properties": {
@ -490,6 +792,13 @@
                    "format": "date",
                    "example": "2006-01-02 15:04:05.000"
                },
+                "labels": {
+                    "description": "labels are not persisted, but calculated at runtime, i.e. when summary is retrieved",
+                    "type": "array",
+                    "items": {
+                        "$ref": "#/definitions/models.SummaryItem"
+                    }
+                },
                "languages": {
                    "type": "array",
                    "items": {
--- a/static/docs/swagger.yaml
+++ b/static/docs/swagger.yaml
@ -1,5 +1,22 @@
 basePath: /api
 definitions:
+  models.Diagnostics:
+    properties:
+      architecture:
+        type: string
+      cli_version:
+        type: string
+      id:
+        type: integer
+      logs:
+        type: string
+      platform:
+        type: string
+      plugin:
+        type: string
+      stacktrace:
+        type: string
+    type: object
  models.Heartbeat:
    properties:
      branch:
@ -43,6 +60,12 @@ definitions:
        example: "2006-01-02 15:04:05.000"
        format: date
        type: string
+      labels:
+        description: labels are not persisted, but calculated at runtime, i.e. when
+          summary is retrieved
+        items:
+          $ref: '#/definitions/models.SummaryItem'
+        type: array
      languages:
        items:
          $ref: '#/definitions/models.SummaryItem'
@ -408,6 +431,48 @@ paths:
      summary: Retrieve summary for all time
      tags:
      - wakatime
+  /compat/wakatime/v1/users/{user}/heartbeats:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-3
+      parameters:
+      - description: A single heartbeat
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          $ref: '#/definitions/models.Heartbeat'
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push a new heartbeat
+      tags:
+      - heartbeat
+  /compat/wakatime/v1/users/{user}/heartbeats.bulk:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-7
+      parameters:
+      - description: Multiple heartbeats
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          items:
+            $ref: '#/definitions/models.Heartbeat'
+          type: array
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push new heartbeats
+      tags:
+      - heartbeat
  /compat/wakatime/v1/users/{user}/projects:
    get:
      description: Mimics https://wakatime.com/developers#projects
@ -540,7 +605,7 @@ paths:
      - application/json
      operationId: post-heartbeat
      parameters:
-      - description: A heartbeat
+      - description: A single heartbeat
        in: body
        name: heartbeat
        required: true
@ -554,6 +619,48 @@ paths:
      summary: Push a new heartbeat
      tags:
      - heartbeat
+  /heartbeats:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-5
+      parameters:
+      - description: Multiple heartbeats
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          items:
+            $ref: '#/definitions/models.Heartbeat'
+          type: array
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push new heartbeats
+      tags:
+      - heartbeat
+  /plugins/errors:
+    post:
+      consumes:
+      - application/json
+      operationId: post-diagnostics
+      parameters:
+      - description: A single diagnostics object sent by WakaTime CLI
+        in: body
+        name: diagnostics
+        required: true
+        schema:
+          $ref: '#/definitions/models.Diagnostics'
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push a new diagnostics object
+      tags:
+      - diagnostics
  /summary:
    get:
      operationId: get-summary
@ -599,6 +706,90 @@ paths:
      summary: Retrieve a summary
      tags:
      - summary
+  /users/{user}/heartbeats:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-4
+      parameters:
+      - description: A single heartbeat
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          $ref: '#/definitions/models.Heartbeat'
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push a new heartbeat
+      tags:
+      - heartbeat
+  /users/{user}/heartbeats.bulk:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-8
+      parameters:
+      - description: Multiple heartbeats
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          items:
+            $ref: '#/definitions/models.Heartbeat'
+          type: array
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push new heartbeats
+      tags:
+      - heartbeat
+  /v1/users/{user}/heartbeats:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-2
+      parameters:
+      - description: A single heartbeat
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          $ref: '#/definitions/models.Heartbeat'
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push a new heartbeat
+      tags:
+      - heartbeat
+  /v1/users/{user}/heartbeats.bulk:
+    post:
+      consumes:
+      - application/json
+      operationId: post-heartbeat-6
+      parameters:
+      - description: Multiple heartbeats
+        in: body
+        name: heartbeat
+        required: true
+        schema:
+          items:
+            $ref: '#/definitions/models.Heartbeat'
+          type: array
+      responses:
+        "201":
+          description: ""
+      security:
+      - ApiKeyAuth: []
+      summary: Push new heartbeats
+      tags:
+      - heartbeat
 securityDefinitions:
  ApiKeyAuth:
    in: header
--- a/Tests.postman_collection.json
+++ b/Tests.postman_collection.json
--- a/testing/config.testing.yml
+++ b/testing/config.testing.yml
@ -0,0 +1,61 @@
+env: production
+
+server:
+  listen_ipv4: 127.0.0.1
+  listen_ipv6:
+  tls_cert_path:
+  tls_key_path:
+  port: 3000
+  base_path: /
+  public_url: http://localhost:3000
+
+app:
+  aggregation_time: '02:15'
+  report_time_weekly: 'fri,18:00'
+  inactive_days: 7
+  custom_languages:
+    vue: Vue
+    jsx: JSX
+    svelte: Svelte
+
+db:
+  host:
+  port:
+  user:
+  password:
+  name: wakapi_testing.db
+  dialect: sqlite3
+  charset:
+  max_conn: 2
+  ssl: false
+  automgirate_fail_silently: false
+
+security:
+  password_salt:
+  insecure_cookies: true
+  cookie_max_age: 172800
+  allow_signup: true
+  expose_metrics: true
+
+sentry:
+  dsn:
+  enable_tracing: false
+  sample_rate:
+  sample_rate_heartbeats:
+
+mail:
+  enabled: false
+  provider: smtp
+  sender: Wakapi <noreply@wakapi.dev>
+
+  smtp:
+    host:
+    port:
+    username:
+    password:
+    tls:
+
+  mailwhale:
+    url:
+    client_id:
+    client_secret:
--- a/testing/data.sql
+++ b/testing/data.sql
@ -0,0 +1,14 @@
+BEGIN TRANSACTION;
+INSERT INTO "users" ("id", "api_key", "email", "location", "password", "created_at", "last_logged_in_at",
+                     "share_data_max_days", "share_editors", "share_languages", "share_projects", "share_oss",
+                     "share_machines", "is_admin", "has_data", "wakatime_api_key", "reset_token", "reports_weekly")
+VALUES ('readuser', '33e7f538-0dce-4eba-8ffe-53db6814ed42', '', 'Europe/Berlin',
+        '$2a$10$93CAptdjLGRtc1D3xrZJcu8B/YBAPSjCZOHZRId.xpyrsLAeHOoA.', '2021-05-28 12:34:25',
+        '2021-05-28 14:34:34.178+02:00', 0, 0, 0, 0, 0, 0, 1, 0, '', '', 0);
+INSERT INTO "users" ("id", "api_key", "email", "location", "password", "created_at", "last_logged_in_at",
+                     "share_data_max_days", "share_editors", "share_languages", "share_projects", "share_oss",
+                     "share_machines", "is_admin", "has_data", "wakatime_api_key", "reset_token", "reports_weekly")
+VALUES ('writeuser', 'f7aa255c-8647-4d0b-b90f-621c58fd580f', '', 'Europe/Berlin',
+        '$2a$10$93CAptdjLGRtc1D3xrZJcu8B/YBAPSjCZOHZRId.xpyrsLAeHOoA.', '2021-05-28 12:34:56',
+        '2021-05-28 14:35:05.118+02:00', 7, 0, 0, 1, 0, 0, 0, 1, '', '', 0);
+COMMIT;
--- a/testing/run_api_tests.sh
+++ b/testing/run_api_tests.sh
@ -0,0 +1,40 @@
+#!/bin/bash
+
+if [ ! -f "wakapi" ]; then
+    echo "Wakapi executable not found. Compiling."
+    go build
+fi
+
+if ! command -v newman &> /dev/null
+then
+    echo "Newman could not be found. Run 'npm install -g newman' first."
+    exit 1
+fi
+
+cd "$(dirname "$0")"
+
+echo "Creating database and schema ..."
+sqlite3 wakapi_testing.db < schema.sql
+
+echo "Importing seed data ..."
+sqlite3 wakapi_testing.db < data.sql
+
+echo "Running Wakapi testing instance in background ..."
+screen -S wakapi_testing -dm bash -c "../wakapi -config config.testing.yml"
+
+echo "Waiting for Wakapi to come up ..."
+until $(curl --output /dev/null --silent --get --fail http://localhost:3000/api/health); do
+    printf '.'
+    sleep 1
+done
+
+echo ""
+
+echo "Running test collection ..."
+newman run "Wakapi API Tests.postman_collection.json"
+
+echo "Shutting down Wakapi ..."
+screen -S wakapi_testing -X quit
+
+echo "Deleting database ..."
+rm wakapi_testing.db
--- a/testing/schema.sql
+++ b/testing/schema.sql
@ -0,0 +1,147 @@
+BEGIN TRANSACTION;
+DROP TABLE IF EXISTS "users";
+CREATE TABLE IF NOT EXISTS "users" (
+	"id"	text,
+	"api_key"	text UNIQUE,
+	"email"	text,
+	"password"	text,
+	"created_at"	timestamp DEFAULT CURRENT_TIMESTAMP,
+	"last_logged_in_at"	timestamp DEFAULT CURRENT_TIMESTAMP,
+	"share_data_max_days"	integer DEFAULT 0,
+	"share_editors"	numeric DEFAULT false,
+	"share_languages"	numeric DEFAULT false,
+	"share_projects"	numeric DEFAULT false,
+	"share_oss"	numeric DEFAULT false,
+	"share_machines"	numeric DEFAULT false,
+	"is_admin"	numeric DEFAULT false,
+	"has_data"	numeric DEFAULT false,
+	"wakatime_api_key"	text,
+	"reset_token"	text,
+	"location"	text,
+	"reports_weekly"	numeric DEFAULT false,
+	PRIMARY KEY("id")
+);
+DROP TABLE IF EXISTS "key_string_values";
+CREATE TABLE IF NOT EXISTS "key_string_values" (
+	"key"	text,
+	"value"	text,
+	PRIMARY KEY("key")
+);
+DROP TABLE IF EXISTS "summary_items";
+CREATE TABLE IF NOT EXISTS "summary_items" (
+	"id"	integer,
+	"summary_id"	integer,
+	"type"	integer,
+	"key"	text,
+	"total"	integer,
+	CONSTRAINT "fk_summaries_languages" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT "fk_summary_items_summary" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT "fk_summaries_machines" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT "fk_summaries_projects" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT "fk_summaries_operating_systems" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	CONSTRAINT "fk_summaries_editors" FOREIGN KEY("summary_id") REFERENCES "summaries"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY("id")
+);
+DROP TABLE IF EXISTS "aliases";
+CREATE TABLE IF NOT EXISTS "aliases" (
+	"id"	integer,
+	"type"	integer NOT NULL,
+	"user_id"	text NOT NULL,
+	"key"	text NOT NULL,
+	"value"	text NOT NULL,
+	CONSTRAINT "fk_aliases_user" FOREIGN KEY("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY("id")
+);
+DROP TABLE IF EXISTS "heartbeats";
+CREATE TABLE IF NOT EXISTS "heartbeats" (
+	"id"	integer,
+	"user_id"	text NOT NULL,
+	"entity"	text NOT NULL,
+	"type"	text,
+	"category"	text,
+	"project"	text,
+	"branch"	text,
+	"language"	text,
+	"is_write"	numeric,
+	"editor"	text,
+	"operating_system"	text,
+	"machine"	text,
+	"time"	timestamp,
+	"hash"	varchar(17),
+	"origin"	text,
+	"origin_id"	text,
+	"created_at"	timestamp,
+	CONSTRAINT "fk_heartbeats_user" FOREIGN KEY("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY("id")
+);
+DROP TABLE IF EXISTS "summaries";
+CREATE TABLE IF NOT EXISTS "summaries" (
+	"id"	integer,
+	"user_id"	text NOT NULL,
+	"from_time"	timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	"to_time"	timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	CONSTRAINT "fk_summaries_user" FOREIGN KEY("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY("id")
+);
+DROP TABLE IF EXISTS "language_mappings";
+CREATE TABLE IF NOT EXISTS "language_mappings" (
+	"id"	integer,
+	"user_id"	text NOT NULL,
+	"extension"	varchar(16),
+	"language"	varchar(64),
+	CONSTRAINT "fk_language_mappings_user" FOREIGN KEY("user_id") REFERENCES "users"("id") ON DELETE CASCADE ON UPDATE CASCADE,
+	PRIMARY KEY("id")
+);
+DROP INDEX IF EXISTS "idx_user_email";
+CREATE INDEX IF NOT EXISTS "idx_user_email" ON "users" (
+	"email"
+);
+DROP INDEX IF EXISTS "idx_type";
+CREATE INDEX IF NOT EXISTS "idx_type" ON "summary_items" (
+	"type"
+);
+DROP INDEX IF EXISTS "idx_alias_type_key";
+CREATE INDEX IF NOT EXISTS "idx_alias_type_key" ON "aliases" (
+	"type",
+	"key"
+);
+DROP INDEX IF EXISTS "idx_alias_user";
+CREATE INDEX IF NOT EXISTS "idx_alias_user" ON "aliases" (
+	"user_id"
+);
+DROP INDEX IF EXISTS "idx_time";
+CREATE INDEX IF NOT EXISTS "idx_time" ON "heartbeats" (
+	"time"
+);
+DROP INDEX IF EXISTS "idx_heartbeats_hash";
+CREATE UNIQUE INDEX IF NOT EXISTS "idx_heartbeats_hash" ON "heartbeats" (
+	"hash"
+);
+DROP INDEX IF EXISTS "idx_time_user";
+CREATE INDEX IF NOT EXISTS "idx_time_user" ON "heartbeats" (
+	"user_id"
+);
+DROP INDEX IF EXISTS "idx_entity";
+CREATE INDEX IF NOT EXISTS "idx_entity" ON "heartbeats" (
+	"entity"
+);
+DROP INDEX IF EXISTS "idx_language";
+CREATE INDEX IF NOT EXISTS "idx_language" ON "heartbeats" (
+	"language"
+);
+DROP INDEX IF EXISTS "idx_time_summary_user";
+CREATE INDEX IF NOT EXISTS "idx_time_summary_user" ON "summaries" (
+	"user_id",
+	"from_time",
+	"to_time"
+);
+DROP INDEX IF EXISTS "idx_language_mapping_composite";
+CREATE UNIQUE INDEX IF NOT EXISTS "idx_language_mapping_composite" ON "language_mappings" (
+	"user_id",
+	"extension"
+);
+DROP INDEX IF EXISTS "idx_language_mapping_user";
+CREATE INDEX IF NOT EXISTS "idx_language_mapping_user" ON "language_mappings" (
+	"user_id"
+);
+COMMIT;
--- a/utils/collection.go
+++ b/utils/collection.go
@ -0,0 +1,9 @@
+package utils
+
+func GetMapValues(m map[string]interface{}) []interface{} {
+	values := make([]interface{}, 0, len(m))
+	for _, v := range m {
+		values = append(values, v)
+	}
+	return values
+}
--- a/utils/common.go
+++ b/utils/common.go
@ -46,7 +46,7 @@ func Add(i, j int) int {
 }

 func ParseUserAgent(ua string) (string, string, error) {
-	re := regexp.MustCompile(`(?iU)^wakatime\/[\d+.]+\s\((\w+)-.*\)\s.+\s([^\/\s]+)-wakatime\/.+$`)
+	re := regexp.MustCompile(`(?iU)^wakatime\/v?[\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")
--- a/utils/common_test.go
+++ b/utils/common_test.go
@ -37,6 +37,12 @@ func TestCommon_ParseUserAgent(t *testing.T) {
 			"",
 			errors.New(""),
 		},
+		{
+			"wakatime/v1.18.11 (linux-5.13.8-200.fc34.x86_64-x86_64) go1.16.7 emacs-wakatime/1.0.2",
+			"linux",
+			"emacs",
+			nil,
+		},
 	}

 	for _, test := range tests {
--- a/utils/date.go
+++ b/utils/date.go
@ -55,6 +55,11 @@ func FloorDate(date time.Time) time.Time {
 	return time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
 }

+// FloorDateHour rounds date down to the start of the current hour and keeps the time zone
+func FloorDateHour(date time.Time) time.Time {
+	return time.Date(date.Year(), date.Month(), date.Day(), date.Hour(), 0, 0, 0, date.Location())
+}
+
 // CeilDate rounds date up to the start of next day if date is not already a start (00:00:00)
 func CeilDate(date time.Time) time.Time {
 	floored := FloorDate(date)
--- a/utils/summary.go
+++ b/utils/summary.go
@ -30,7 +30,8 @@ func ResolveIntervalRawTZ(interval string, tz *time.Location) (err error, from,
 }

 func ResolveIntervalTZ(interval *models.IntervalKey, tz *time.Location) (err error, from, to time.Time) {
-	to = time.Now().In(tz)
+	now := time.Now().In(tz)
+	to = now

 	switch interval {
 	case models.IntervalToday:
@ -51,16 +52,16 @@ func ResolveIntervalTZ(interval *models.IntervalKey, tz *time.Location) (err err
 	case models.IntervalThisYear:
 		from = StartOfThisYear(tz)
 	case models.IntervalPast7Days:
-		from = StartOfToday(tz).AddDate(0, 0, -7)
+		from = now.AddDate(0, 0, -7)
 	case models.IntervalPast7DaysYesterday:
 		from = StartOfToday(tz).AddDate(0, 0, -1).AddDate(0, 0, -7)
 		to = StartOfToday(tz).AddDate(0, 0, -1)
 	case models.IntervalPast14Days:
-		from = StartOfToday(tz).AddDate(0, 0, -14)
+		from = now.AddDate(0, 0, -14)
 	case models.IntervalPast30Days:
-		from = StartOfToday(tz).AddDate(0, 0, -30)
+		from = now.AddDate(0, 0, -30)
 	case models.IntervalPast12Months:
-		from = StartOfToday(tz).AddDate(0, -12, 0)
+		from = now.AddDate(0, -12, 0)
 	case models.IntervalAny:
 		from = time.Time{}
 	default:
--- a/utils/template.go
+++ b/utils/template.go
@ -3,8 +3,13 @@ package utils
 import (
 	"encoding/json"
 	"html/template"
+	"io/fs"
+	"io/ioutil"
+	"path"
 )

+type TemplateMap map[string]*template.Template
+
 func Json(data interface{}) template.JS {
 	d, err := json.Marshal(data)
 	if err != nil {
@ -19,3 +24,40 @@ func ToRunes(s string) (r []string) {
 	}
 	return r
 }
+
+func LoadTemplates(templateFs fs.FS, funcs template.FuncMap) (TemplateMap, error) {
+	tpls := template.New("").Funcs(funcs)
+	templates := make(map[string]*template.Template)
+
+	files, err := fs.ReadDir(templateFs, ".")
+	if err != nil {
+		return nil, err
+	}
+
+	for _, file := range files {
+		tplName := file.Name()
+		if file.IsDir() || path.Ext(tplName) != ".html" {
+			continue
+		}
+
+		templateFile, err := templateFs.Open(tplName)
+		if err != nil {
+			return nil, err
+		}
+		templateData, err := ioutil.ReadAll(templateFile)
+		if err != nil {
+			return nil, err
+		}
+
+		templateFile.Close()
+
+		tpl, err := tpls.New(tplName).Parse(string(templateData))
+		if err != nil {
+			return nil, err
+		}
+
+		templates[tplName] = tpl
+	}
+
+	return templates, nil
+}
--- a/version.txt
+++ b/version.txt
@ -1 +1 @@
-1.27.2
+1.29.5
--- a/views/login.tpl.html
+++ b/views/login.tpl.html
@ -23,13 +23,13 @@
            <div class="mb-8">
                <label class="inline-block text-sm mb-1 text-gray-500" for="username">Username</label>
                <input class="shadow 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="username"
+                       type="text" id="username" autocomplete="username"
                       name="username" placeholder="Enter your username" minlength="1" required autofocus>
            </div>
            <div class="mb-8">
                <label class="inline-block text-sm mb-1 text-gray-500" for="password">Password</label>
                <input class="shadow 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="password" id="password"
+                       type="password" id="password" autocomplete="current-password"
                       name="password" placeholder="******" minlength="6" required>
            </div>
            <div class="flex justify-between items-center">
--- a/views/mail/head.tpl.html
+++ b/views/mail/head.tpl.html
@ -0,0 +1,88 @@
+<head>
+<meta name="viewport" content="width=device-width">
+<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
+<title>Wakapi</title>
+<style>
+    @media only screen and (max-width: 620px) {
+        table[class=body] h1 {
+            font-size: 28px !important;
+            margin-bottom: 10px !important;
+        }
+        table[class=body] p,
+        table[class=body] ul,
+        table[class=body] ol,
+        table[class=body] td,
+        table[class=body] span,
+        table[class=body] a {
+            font-size: 16px !important;
+        }
+        table[class=body] .wrapper,
+        table[class=body] .article {
+            padding: 10px !important;
+        }
+        table[class=body] .content {
+            padding: 0 !important;
+        }
+        table[class=body] .container {
+            padding: 0 !important;
+            width: 100% !important;
+        }
+        table[class=body] .main {
+            border-left-width: 0 !important;
+            border-radius: 0 !important;
+            border-right-width: 0 !important;
+        }
+        table[class=body] .btn table {
+            width: 100% !important;
+        }
+        table[class=body] .btn a {
+            width: 100% !important;
+        }
+        table[class=body] .img-responsive {
+            height: auto !important;
+            max-width: 100% !important;
+            width: auto !important;
+        }
+    }
+
+    /* -------------------------------------
+        PRESERVE THESE STYLES IN THE HEAD
+    ------------------------------------- */
+    @media all {
+        .ExternalClass {
+            width: 100%;
+        }
+        .ExternalClass,
+        .ExternalClass p,
+        .ExternalClass span,
+        .ExternalClass font,
+        .ExternalClass td,
+        .ExternalClass div {
+            line-height: 100%;
+        }
+        .apple-link a {
+            color: inherit !important;
+            font-family: inherit !important;
+            font-size: inherit !important;
+            font-weight: inherit !important;
+            line-height: inherit !important;
+            text-decoration: none !important;
+        }
+        #MessageViewBody a {
+            color: inherit;
+            text-decoration: none;
+            font-size: inherit;
+            font-family: inherit;
+            font-weight: inherit;
+            line-height: inherit;
+        }
+        .btn-primary table td:hover {
+            background-color: #047857 !important;
+        }
+        .btn-primary a:hover {
+            background-color: #047857 !important;
+            border-color: #047857 !important;
+        }
+    }
+</style>
+</head>
--- a/views/mail/import_finished.tpl.html
+++ b/views/mail/import_finished.tpl.html
@ -1,107 +1,14 @@
 <!doctype html>
 <html lang="en">
-<head>
-    <meta name="viewport" content="width=device-width">
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-    <title>Wakapi – Data Import Finished</title>
-    <style>
-        @media only screen and (max-width: 620px) {
-            table[class=body] h1 {
-                font-size: 28px !important;
-                margin-bottom: 10px !important;
-            }
-            table[class=body] p,
-            table[class=body] ul,
-            table[class=body] ol,
-            table[class=body] td,
-            table[class=body] span,
-            table[class=body] a {
-                font-size: 16px !important;
-            }
-            table[class=body] .wrapper,
-            table[class=body] .article {
-                padding: 10px !important;
-            }
-            table[class=body] .content {
-                padding: 0 !important;
-            }
-            table[class=body] .container {
-                padding: 0 !important;
-                width: 100% !important;
-            }
-            table[class=body] .main {
-                border-left-width: 0 !important;
-                border-radius: 0 !important;
-                border-right-width: 0 !important;
-            }
-            table[class=body] .btn table {
-                width: 100% !important;
-            }
-            table[class=body] .btn a {
-                width: 100% !important;
-            }
-            table[class=body] .img-responsive {
-                height: auto !important;
-                max-width: 100% !important;
-                width: auto !important;
-            }
-        }

-        /* -------------------------------------
-            PRESERVE THESE STYLES IN THE HEAD
-        ------------------------------------- */
-        @media all {
-            .ExternalClass {
-                width: 100%;
-            }
-            .ExternalClass,
-            .ExternalClass p,
-            .ExternalClass span,
-            .ExternalClass font,
-            .ExternalClass td,
-            .ExternalClass div {
-                line-height: 100%;
-            }
-            .apple-link a {
-                color: inherit !important;
-                font-family: inherit !important;
-                font-size: inherit !important;
-                font-weight: inherit !important;
-                line-height: inherit !important;
-                text-decoration: none !important;
-            }
-            #MessageViewBody a {
-                color: inherit;
-                text-decoration: none;
-                font-size: inherit;
-                font-family: inherit;
-                font-weight: inherit;
-                line-height: inherit;
-            }
-            .btn-primary table td:hover {
-                background-color: #047857 !important;
-            }
-            .btn-primary a:hover {
-                background-color: #047857 !important;
-                border-color: #047857 !important;
-            }
-        }
-    </style>
-</head>
+{{ template "head.tpl.html" . }}
+
 <body class="" style="background-color: #f6f6f6; font-family: sans-serif; -webkit-font-smoothing: antialiased; font-size: 14px; line-height: 1.4; margin: 0; padding: 0; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;">
 <table border="0" cellpadding="0" cellspacing="0" class="body" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background-color: #f6f6f6;">
    <tr>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
        <td class="container" style="font-family: sans-serif; font-size: 14px; vertical-align: top; display: block; Margin: 0 auto; max-width: 580px; padding: 10px; width: 580px;">
-            <div class="header" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                    <tr>
-                        <td class="content-block" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                            <img src="https://wakapi.dev/assets/images/android-chrome-192x192.png?utm_source=mail" alt="Wakapi Logo" width="96" style="width: 96px">
-                        </td>
-                    </tr>
-                </table>
-            </div>
+            {{ template "theader.tpl.html" . }}

            <div class="content" style="box-sizing: border-box; display: block; Margin: 0 auto; max-width: 580px; padding: 10px;">
                <table class="main" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background: #ffffff; border-radius: 3px;">
@ -134,15 +41,7 @@
                    </tr>
                </table>

-                <div class="footer" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                        <tr>
-                            <td class="content-block powered-by" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                                Powered by <a href="https://wakapi.dev" style="color: #999999; font-size: 12px; text-align: center; text-decoration: none;">Wakapi.dev</a>.
-                            </td>
-                        </tr>
-                    </table>
-                </div>
+                {{ template "tfooter.tpl.html" . }}
            </div>
        </td>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
--- a/views/mail/mail.go
+++ b/views/mail/mail.go
@ -0,0 +1,6 @@
+package mail
+
+import "embed"
+
+//go:embed *.html
+var TemplateFiles embed.FS
--- a/views/mail/report.tpl.html
+++ b/views/mail/report.tpl.html
@ -1,107 +1,14 @@
 <!doctype html>
 <html lang="en">
-<head>
-    <meta name="viewport" content="width=device-width">
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-    <title>Wakapi – Report</title>
-    <style>
-        @media only screen and (max-width: 620px) {
-            table[class=body] h1 {
-                font-size: 28px !important;
-                margin-bottom: 10px !important;
-            }
-            table[class=body] p,
-            table[class=body] ul,
-            table[class=body] ol,
-            table[class=body] td,
-            table[class=body] span,
-            table[class=body] a {
-                font-size: 16px !important;
-            }
-            table[class=body] .wrapper,
-            table[class=body] .article {
-                padding: 10px !important;
-            }
-            table[class=body] .content {
-                padding: 0 !important;
-            }
-            table[class=body] .container {
-                padding: 0 !important;
-                width: 100% !important;
-            }
-            table[class=body] .main {
-                border-left-width: 0 !important;
-                border-radius: 0 !important;
-                border-right-width: 0 !important;
-            }
-            table[class=body] .btn table {
-                width: 100% !important;
-            }
-            table[class=body] .btn a {
-                width: 100% !important;
-            }
-            table[class=body] .img-responsive {
-                height: auto !important;
-                max-width: 100% !important;
-                width: auto !important;
-            }
-        }

-        /* -------------------------------------
-            PRESERVE THESE STYLES IN THE HEAD
-        ------------------------------------- */
-        @media all {
-            .ExternalClass {
-                width: 100%;
-            }
-            .ExternalClass,
-            .ExternalClass p,
-            .ExternalClass span,
-            .ExternalClass font,
-            .ExternalClass td,
-            .ExternalClass div {
-                line-height: 100%;
-            }
-            .apple-link a {
-                color: inherit !important;
-                font-family: inherit !important;
-                font-size: inherit !important;
-                font-weight: inherit !important;
-                line-height: inherit !important;
-                text-decoration: none !important;
-            }
-            #MessageViewBody a {
-                color: inherit;
-                text-decoration: none;
-                font-size: inherit;
-                font-family: inherit;
-                font-weight: inherit;
-                line-height: inherit;
-            }
-            .btn-primary table td:hover {
-                background-color: #047857 !important;
-            }
-            .btn-primary a:hover {
-                background-color: #047857 !important;
-                border-color: #047857 !important;
-            }
-        }
-    </style>
-</head>
+{{ template "head.tpl.html" . }}
+
 <body class="" style="background-color: #f6f6f6; font-family: sans-serif; -webkit-font-smoothing: antialiased; font-size: 14px; line-height: 1.4; margin: 0; padding: 0; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;">
 <table border="0" cellpadding="0" cellspacing="0" class="body" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background-color: #f6f6f6;">
    <tr>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
        <td class="container" style="font-family: sans-serif; font-size: 14px; vertical-align: top; display: block; Margin: 0 auto; max-width: 580px; padding: 10px; width: 580px;">
-            <div class="header" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                    <tr>
-                        <td class="content-block" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                            <img src="https://wakapi.dev/assets/images/android-chrome-192x192.png?utm_source=mail" alt="Wakapi Logo" width="96" style="width: 96px">
-                        </td>
-                    </tr>
-                </table>
-            </div>
+            {{ template "theader.tpl.html" . }}

            <div class="content" style="box-sizing: border-box; display: block; Margin: 0 auto; max-width: 580px; padding: 10px;">
                <table class="main" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background: #ffffff; border-radius: 3px;">
@ -180,15 +87,8 @@
                        </td>
                    </tr>
                </table>
-                <div class="footer" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                        <tr>
-                            <td class="content-block powered-by" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                                Powered by <a href="https://wakapi.dev" style="color: #999999; font-size: 12px; text-align: center; text-decoration: none;">Wakapi.dev</a>.
-                            </td>
-                        </tr>
-                    </table>
-                </div>
+
+                {{ template "tfooter.tpl.html" . }}
            </div>
        </td>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
--- a/views/mail/reset_password.tpl.html
+++ b/views/mail/reset_password.tpl.html
@ -1,107 +1,14 @@
 <!doctype html>
 <html lang="en">
-<head>
-    <meta name="viewport" content="width=device-width">
-    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
-    <title>Wakapi – Reset Password</title>
-    <style>
-        @media only screen and (max-width: 620px) {
-            table[class=body] h1 {
-                font-size: 28px !important;
-                margin-bottom: 10px !important;
-            }
-            table[class=body] p,
-            table[class=body] ul,
-            table[class=body] ol,
-            table[class=body] td,
-            table[class=body] span,
-            table[class=body] a {
-                font-size: 16px !important;
-            }
-            table[class=body] .wrapper,
-            table[class=body] .article {
-                padding: 10px !important;
-            }
-            table[class=body] .content {
-                padding: 0 !important;
-            }
-            table[class=body] .container {
-                padding: 0 !important;
-                width: 100% !important;
-            }
-            table[class=body] .main {
-                border-left-width: 0 !important;
-                border-radius: 0 !important;
-                border-right-width: 0 !important;
-            }
-            table[class=body] .btn table {
-                width: 100% !important;
-            }
-            table[class=body] .btn a {
-                width: 100% !important;
-            }
-            table[class=body] .img-responsive {
-                height: auto !important;
-                max-width: 100% !important;
-                width: auto !important;
-            }
-        }

-        /* -------------------------------------
-            PRESERVE THESE STYLES IN THE HEAD
-        ------------------------------------- */
-        @media all {
-            .ExternalClass {
-                width: 100%;
-            }
-            .ExternalClass,
-            .ExternalClass p,
-            .ExternalClass span,
-            .ExternalClass font,
-            .ExternalClass td,
-            .ExternalClass div {
-                line-height: 100%;
-            }
-            .apple-link a {
-                color: inherit !important;
-                font-family: inherit !important;
-                font-size: inherit !important;
-                font-weight: inherit !important;
-                line-height: inherit !important;
-                text-decoration: none !important;
-            }
-            #MessageViewBody a {
-                color: inherit;
-                text-decoration: none;
-                font-size: inherit;
-                font-family: inherit;
-                font-weight: inherit;
-                line-height: inherit;
-            }
-            .btn-primary table td:hover {
-                background-color: #047857 !important;
-            }
-            .btn-primary a:hover {
-                background-color: #047857 !important;
-                border-color: #047857 !important;
-            }
-        }
-    </style>
-</head>
+{{ template "head.tpl.html" . }}
+
 <body class="" style="background-color: #f6f6f6; font-family: sans-serif; -webkit-font-smoothing: antialiased; font-size: 14px; line-height: 1.4; margin: 0; padding: 0; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;">
 <table border="0" cellpadding="0" cellspacing="0" class="body" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background-color: #f6f6f6;">
    <tr>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
        <td class="container" style="font-family: sans-serif; font-size: 14px; vertical-align: top; display: block; Margin: 0 auto; max-width: 580px; padding: 10px; width: 580px;">
-            <div class="header" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                    <tr>
-                        <td class="content-block" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                            <img src="https://wakapi.dev/assets/images/android-chrome-192x192.png?utm_source=mail" alt="Wakapi Logo" width="96" style="width: 96px">
-                        </td>
-                    </tr>
-                </table>
-            </div>
+            {{ template "theader.tpl.html" . }}

            <div class="content" style="box-sizing: border-box; display: block; Margin: 0 auto; max-width: 580px; padding: 10px;">
                <table class="main" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background: #ffffff; border-radius: 3px;">
@ -135,15 +42,7 @@
                    </tr>
                </table>

-                <div class="footer" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
-                    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
-                        <tr>
-                            <td class="content-block powered-by" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
-                                Powered by <a href="https://wakapi.dev" style="color: #999999; font-size: 12px; text-align: center; text-decoration: none;">Wakapi.dev</a>.
-                            </td>
-                        </tr>
-                    </table>
-                </div>
+                {{ template "tfooter.tpl.html" . }}
            </div>
        </td>
        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
--- a/views/mail/tfooter.tpl.html
+++ b/views/mail/tfooter.tpl.html
@ -0,0 +1,9 @@
+<div class="footer" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
+    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
+        <tr>
+            <td class="content-block powered-by" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
+                Powered by <a href="https://wakapi.dev" style="color: #999999; font-size: 12px; text-align: center; text-decoration: none;">Wakapi.dev</a>.
+            </td>
+        </tr>
+    </table>
+</div>
--- a/views/mail/theader.tpl.html
+++ b/views/mail/theader.tpl.html
@ -0,0 +1,9 @@
+<div class="header" style="clear: both; Margin-top: 10px; text-align: center; width: 100%;">
+    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
+        <tr>
+            <td class="content-block" style="font-family: sans-serif; vertical-align: top; padding-bottom: 10px; padding-top: 10px; font-size: 12px; color: #999999; text-align: center;">
+                <img src="https://wakapi.dev/assets/images/android-chrome-192x192.png?utm_source=mail" alt="Wakapi Logo" width="96" style="width: 96px">
+            </td>
+        </tr>
+    </table>
+</div>
--- a/views/mail/wakatime_connection_failure.tpl.html
+++ b/views/mail/wakatime_connection_failure.tpl.html
@ -0,0 +1,51 @@
+<!doctype html>
+<html lang="en">
+
+{{ template "head.tpl.html" . }}
+
+<body class="" style="background-color: #f6f6f6; font-family: sans-serif; -webkit-font-smoothing: antialiased; font-size: 14px; line-height: 1.4; margin: 0; padding: 0; -ms-text-size-adjust: 100%; -webkit-text-size-adjust: 100%;">
+<table border="0" cellpadding="0" cellspacing="0" class="body" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background-color: #f6f6f6;">
+    <tr>
+        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
+        <td class="container" style="font-family: sans-serif; font-size: 14px; vertical-align: top; display: block; Margin: 0 auto; max-width: 580px; padding: 10px; width: 580px;">
+            {{ template "theader.tpl.html" . }}
+
+            <div class="content" style="box-sizing: border-box; display: block; Margin: 0 auto; max-width: 580px; padding: 10px;">
+                <table class="main" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; background: #ffffff; border-radius: 3px;">
+                    <tr>
+                        <td class="wrapper" style="font-family: sans-serif; font-size: 14px; vertical-align: top; box-sizing: border-box; padding: 20px;">
+                            <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%;">
+                                <tr>
+                                    <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">
+                                        <p style="font-family: sans-serif; font-size: 18px; font-weight: 500; margin: 0; Margin-bottom: 15px;">WakaTime Connection Failure</p>
+                                        <p style="font-family: sans-serif; font-size: 14px; font-weight: normal; margin: 0; Margin-bottom: 15px;">You have configured Wakapi to relay your heartbeats to WakaTime's API. However, requests for the last {{ .NumFailures }} heartbeats have failed. This is most likely an authentication issue. WakaTime connection is paused for now. To resume it, please re-enter your WakaTime API token under <a href="{{ .PublicUrl }}/settings">Settings</a>.</p>
+                                        <table border="0" cellpadding="0" cellspacing="0" class="btn btn-primary" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: 100%; box-sizing: border-box;">
+                                            <tbody>
+                                            <tr>
+                                                <td align="left" style="font-family: sans-serif; font-size: 14px; vertical-align: top; padding-bottom: 15px;">
+                                                    <table border="0" cellpadding="0" cellspacing="0" style="border-collapse: separate; mso-table-lspace: 0pt; mso-table-rspace: 0pt; width: auto;">
+                                                        <tbody>
+                                                        <tr>
+                                                            <td style="font-family: sans-serif; font-size: 14px; vertical-align: top; background-color: #2F855A; border-radius: 5px; text-align: center;"> <a href="{{ .PublicUrl }}/settings" target="_blank" style="display: inline-block; color: #ffffff; background-color: #2F855A; border: solid 1px #2F855A; border-radius: 5px; box-sizing: border-box; cursor: pointer; text-decoration: none; font-size: 14px; font-weight: bold; margin: 0; padding: 12px 25px; text-transform: capitalize; border-color: #2F855A;">Go to Settings</a> </td>
+                                                        </tr>
+                                                        </tbody>
+                                                    </table>
+                                                </td>
+                                            </tr>
+                                            </tbody>
+                                        </table>
+                                    </td>
+                                </tr>
+                            </table>
+                        </td>
+                    </tr>
+                </table>
+
+                {{ template "tfooter.tpl.html" . }}
+            </div>
+        </td>
+        <td style="font-family: sans-serif; font-size: 14px; vertical-align: top;">&nbsp;</td>
+    </tr>
+</table>
+</body>
+</html>
--- a/views/settings.tpl.html
+++ b/views/settings.tpl.html
@ -35,7 +35,7 @@
 <main class="mt-4 flex-grow flex justify-center w-full">
    <div class="flex flex-col flex-grow max-w-2xl mt-8">

-        <details class="my-8 pb-8 border-b border-gray-700">
+        <details class="my-8 pb-8 border-b border-gray-700" id="details-account">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block"
                    id="preferences-heading">
@ -88,7 +88,7 @@
            </div>
        </details>

-        <details class="mb-8 pb-8 border-b border-gray-700">
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-password">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block" id="password">
                    Change Password
@ -127,7 +127,7 @@
            </div>
        </details>

-        <details class="mb-8 pb-8 border-b border-gray-700">
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-aliases">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block">
                    Aliases
@ -203,7 +203,80 @@
            </div>
        </details>

-        <details class="mb-8 pb-8 border-b border-gray-700">
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-labels">
+            <summary class="cursor-pointer">
+                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block">
+                    Project Labels
+                </h2>
+            </summary>
+            <div class="w-full" id="project-labels">
+                <div class="text-gray-300 text-sm mb-4 mt-6">
+                    You can assign labels (aka. tags) to projects to group them together, e.g. by <span class="inline-block mb-1 text-gray-500 italic">private</span> and <span
+                        class="inline-block mb-1 text-gray-500 italic">work</span>.
+                </div>
+
+                {{ if .Labels }}
+                <h3 class="inline-block font-semibold text-md border-b border-green-700 text-white">Labels</h3>
+                {{ range $i, $label := .Labels }}
+                <div class="flex items-center" action="" method="post">
+                    <div class="text-gray-500 border-1 w-full border-green-700 inline-block my-1 py-1 text-align text-sm"
+                         style="line-height: 1.8">
+                        &#9656;&nbsp;<span class="font-semibold text-white">{{ $label.Key }}:</span>
+                        {{ range $j, $value := $label.Values }}
+                        <form action="" method="post" class="text-white text-xs bg-gray-900 rounded-full py-1 px-2 font-mono inline-flex justify-between items-center space-x-2">
+                            <input type="hidden" name="action" value="delete_label">
+                            <input type="hidden" name="key" value="{{ $label.Key }}">
+                            <input type="hidden" name="value" value="{{ $value }}">
+                            <span>{{- $value -}}</span>
+                            <button type="submit" class="bg-gray-800 text-center hover:bg-gray-700 rounded-full w-4 h-4 leading-none" title="Delete label">x</button>
+                        </form>
+                        {{ if lt $j (add (len $label.Values) -1) }}
+                        <span class="-ml-1">{{- ", " | capitalize -}}</span>
+                        {{ end }}
+                        {{ end }}
+                    </div>
+                </div>
+                {{end}}
+                <div class="mb-8"></div>
+                {{end}}
+
+                {{ if .Projects }}
+                <h3 class="inline-block font-semibold text-md border-b border-green-700 text-white mb-2">Add Label</h3>
+                <form action="" method="post">
+                    <input type="hidden" name="action" value="add_label">
+                    <div class="flex flex-col space-y-4">
+                        <div class="flex justify-between items-center mt-2 w-full text-gray-500 text-sm space-x-4">
+                            <div class="w-1/2 flex flex-col flex-grow">
+                                <span>Project</span>
+                                <select name="key" id="select-project"
+                                        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 py-1 px-3 cursor-pointer">
+                                    {{ range $i, $p := .Projects }}
+                                    <option value="{{ $p }}">{{ $p }}</option>
+                                    {{ end }}
+                                </select>
+                            </div>
+                            <div class="w-1/2 flex flex-col flex-grow">
+                                <span>Label</span>
+                                <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 py-1 px-3"
+                                       type="text" id="label-value"
+                                       name="value" placeholder="work" minlength="1" required>
+                            </div>
+                        </div>
+                        <div class="flex-grow flex justify-end">
+                            <button type="submit"
+                                    class="py-1 px-3 rounded bg-green-700 hover:bg-green-800 text-white text-sm">
+                                Add
+                            </button>
+                        </div>
+                    </div>
+                </form>
+                {{ else }}
+                <div class="text-gray-300 text-sm mb-4 mt-6">You don't have any projects, yet. Start out by sending a few heartbeats before you can then assign labels.</div>
+                {{ end }}
+            </div>
+        </details>
+
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-mappings">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block"
                    id="languages">
@ -263,7 +336,7 @@
            </div>
        </details>

-        <details class="mb-8 pb-8 border-b border-gray-700" id="public_data">
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-public-data">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block">
                    Public Data
@ -298,11 +371,9 @@
                        <div class="flex justify-end">
                            <select autocomplete="off" name="share_projects"
                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
-                                <option value="false" class="cursor-pointer" {{ if not .User.ShareProjects }} selected
-                                        {{ end }}>No
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareProjects }} selected {{ end }}>No
                                </option>
-                                <option value="true" class="cursor-pointer" {{ if .User.ShareProjects }} selected {{ end
-                                        }}>Yes
+                                <option value="true" class="cursor-pointer" {{ if .User.ShareProjects }} selected {{ end }}>Yes
                                </option>
                            </select>
                        </div>
@ -314,11 +385,9 @@
                        <div class="flex justify-end">
                            <select autocomplete="off" name="share_languages"
                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
-                                <option value="false" class="cursor-pointer" {{ if not .User.ShareLanguages }} selected
-                                        {{ end }}>No
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareLanguages }} selected {{ end }}>No
                                </option>
-                                <option value="true" class="cursor-pointer" {{ if .User.ShareLanguages }} selected {{
-                                        end }}>Yes
+                                <option value="true" class="cursor-pointer" {{ if .User.ShareLanguages }} selected {{ end }}>Yes
                                </option>
                            </select>
                        </div>
@ -330,11 +399,9 @@
                        <div class="flex justify-end">
                            <select autocomplete="off" name="share_editors"
                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
-                                <option value="false" class="cursor-pointer" {{ if not .User.ShareEditors }} selected {{
-                                        end }}>No
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareEditors }} selected {{ end }}>No
                                </option>
-                                <option value="true" class="cursor-pointer" {{ if .User.ShareEditors }} selected {{ end
-                                        }}>Yes
+                                <option value="true" class="cursor-pointer" {{ if .User.ShareEditors }} selected {{ end }}>Yes
                                </option>
                            </select>
                        </div>
@ -346,8 +413,7 @@
                        <div class="flex justify-end">
                            <select autocomplete="off" name="share_oss"
                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
-                                <option value="false" class="cursor-pointer" {{ if not .User.ShareOSs }} selected {{ end
-                                        }}>No
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareOSs }} selected {{ end }}>No
                                </option>
                                <option value="true" class="cursor-pointer" {{ if .User.ShareOSs }} selected {{ end }}>
                                    Yes
@ -362,11 +428,23 @@
                        <div class="flex justify-end">
                            <select autocomplete="off" name="share_machines"
                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
-                                <option value="false" class="cursor-pointer" {{ if not .User.ShareMachines }} selected
-                                        {{ end }}>No
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareMachines }} selected {{ end }}>No
                                </option>
-                                <option value="true" class="cursor-pointer" {{ if .User.ShareMachines }} selected {{ end
-                                        }}>Yes
+                                <option value="true" class="cursor-pointer" {{ if .User.ShareMachines }} selected {{ end }}>Yes
+                                </option>
+                            </select>
+                        </div>
+                    </div>
+                    <div class="flex items-center w-full text-gray-300 text-sm justify-between my-2">
+                        <div class="flex justify-start">
+                            <span class="mr-2">Share project labels: </span>
+                        </div>
+                        <div class="flex justify-end">
+                            <select autocomplete="off" name="share_labels"
+                                    class="cursor-pointer shadow appearance-nonshadow appearance-none bg-gray-800 focus:bg-gray-700 text-gray-300 border-green-700 focus:border-gray-500 border rounded py-1 px-3">
+                                <option value="false" class="cursor-pointer" {{ if not .User.ShareLabels }} selected {{ end }}>No
+                                </option>
+                                <option value="true" class="cursor-pointer" {{ if .User.ShareLabels }} selected {{ end }}>Yes
                                </option>
                            </select>
                        </div>
@ -383,7 +461,7 @@
            </div>
        </details>

-        <details class="mb-8 pb-8 border-b border-gray-700">
+        <details class="mb-8 pb-8 border-b border-gray-700" id="details-integrations">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block"
                    id="integrations">
@ -506,7 +584,7 @@
                    <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. See <a href="settings#public_data" class="underline">Public
+                        access to the respective endpoint. See <a href="settings#details-public-data" class="underline">Public
                            Data</a> setting.</p>
                    {{ end }}
                </div>
@ -528,7 +606,7 @@
                    </div>
                    <div class="flex flex-col mb-4 mt-2">
                        <img src="https://github-readme-stats.vercel.app/api/wakatime?username={{ .User.ID }}&api_domain=%s&bg_color=2D3748&title_color=2F855A&icon_color=2F855A&text_color=ffffff&custom_title=Wakapi%20Week%20Stats&layout=compact"
-                             class="with-url-src-no-scheme">
+                             class="with-url-src-no-scheme" alt="Readme Stats Card">
                        <p class="mt-2"><strong>Source URL:</strong>
                            <span class="break-words text-xs bg-gray-900 rounded py-1 px-2 font-mono with-url-inner-no-scheme">
                            https://github-readme-stats.vercel.app/api/wakatime?username={{ .User.ID }}&api_domain=%s&bg_color=2D3748&title_color=2F855A&icon_color=2F855A&text_color=ffffff&custom_title=Wakapi%20Week%20Stats&layout=compact
@ -540,7 +618,7 @@
            </div>
        </details>

-        <details class="mb-8 pb-8">
+        <details class="mb-8 pb-8" id="details-danger-zone">
            <summary class="cursor-pointer">
                <h2 class="font-semibold text-lg text-white m-0 border-b-2 border-green-700 inline-block" id="danger">
                    <span class="iconify inline" data-icon="emojione-v1:warning"></span>&nbsp; Danger Zone
@ -677,6 +755,12 @@
    tzs.sort()
        .map(createTzOption)
        .forEach(o => selectTimezone.appendChild(o))
+
+    const hash = location.hash.replace('#', '')
+    if (hash) {
+        const elem = document.getElementById(hash)
+        if (elem) elem.open = true
+    }
 </script>

 {{ template "footer.tpl.html" . }}
--- a/views/summary.tpl.html
+++ b/views/summary.tpl.html
@ -170,6 +170,26 @@
                </div>
            </div>
        </div>
+        <div class="w-full lg:w-1/2 p-1" style="max-width: 100vw;">
+            <div class="p-4 pb-10 bg-gray-900 border border-gray-700 text-gray-300 rounded-md shadow m-2 flex flex-col" id="label-container" style="height: 300px">
+                <div class="flex justify-between">
+                    <div class="w-1/4 flex-1">
+                        <a href="settings#details-labels" class="h-8 inline">
+                            <span class="iconify inline" data-icon="twemoji:gear"></span>
+                        </a>
+                    </div>
+                    <span class="font-semibold w-1/2 text-center flex-1 whitespace-no-wrap">Labels</span>
+                    <div class="flex justify-end flex-1 text-xs items-center">
+                        <label for="label-top-picker" class="mr-1">Show:&nbsp;</label>
+                        <input type="number" min="1" id="label-top-picker" data-entity="5" class="w-1/4 top-picker bg-gray-800 rounded-md text-center" value="10">
+                    </div>
+                </div>
+                <canvas id="chart-label"></canvas>
+                <div class="hidden placeholder-container flex items-center justify-center h-full flex-col">
+                    <span class="text-md font-semibold text-gray-500 mt-4">No data</span>
+                </div>
+            </div>
+        </div>
    </div>

    {{ else }}
@ -192,7 +212,8 @@
                # <strong>Step 2:</strong> Adapt your config<br>
                $ vi ~/.wakatime.cfg<br>

-                # Set <em>api_url = <span class="with-url-inner">%s/api</span></em><br>
+                <!-- https://github.com/muety/wakapi/issues/224#issuecomment-890855563 -->
+                # Set <em>api_url = <span class="with-url-inner">%s/api/heartbeat</span></em><br>
                # Set <em>api_key = <span id="api-key-instruction"></span></em><br><br>

                # <strong>Step 3:</strong> Start coding and then check back here!
@ -211,12 +232,6 @@

 {{ template "foot.tpl.html" . }}

-<script>
-    window.addEventListener('load', function() {
-        document.getElementById('api-key-instruction').innerHTML = document.getElementById('api-key-container').value
-    })
-</script>
-
 <script>
    const languageColors = {{ .LanguageColors | json }}
    const editorColors = {{ .EditorColors | json }}
@ -228,15 +243,20 @@
    wakapiData.editors = {{ .Editors | json }}
    wakapiData.languages = {{ .Languages | json }}
    wakapiData.machines = {{ .Machines | json }}
+    wakapiData.labels = {{ .Labels | json }}

-    document.getElementById("to-date-picker").onchange = function () {
-        var input = document.getElementById("from-date-picker");
-        input.setAttribute("max", this.value);
-    }
+    if (document.getElementById('to-date-picker') !== null) {
+        document.getElementById("to-date-picker").onchange = function () {
+            var input = document.getElementById("from-date-picker");
+            input.setAttribute("max", this.value);
+        }

-    document.getElementById("from-date-picker").onchange = function () {
-        var input = document.getElementById("to-date-picker");
-        input.setAttribute("min", this.value);
+        document.getElementById("from-date-picker").onchange = function () {
+            var input = document.getElementById("to-date-picker");
+            input.setAttribute("min", this.value);
+        }
+    } else {
+        document.getElementById('api-key-instruction').innerHTML = document.getElementById('api-key-container').value
    }

 </script>
--- a/views/views.go
+++ b/views/views.go
@ -2,5 +2,5 @@ package views

 import "embed"

-//go:embed *.html mail/*.html
+//go:embed *.html
 var TemplateFiles embed.FS
Author	SHA1	Message	Date
Ferdinand Mütsch	81835a3d88	chore: bump version	2021-08-29 10:54:26 +02:00
Ferdinand Mütsch	30de96950b	chore: persist raw user agent value	2021-08-29 10:54:00 +02:00
Ferdinand Mütsch	11291b0d6c	fix: properly format x axis for durations (see #232 )	2021-08-29 10:32:23 +02:00
Steven Tang	f0ac0f6153	fix: ui errors from conditional HasData on summary	2021-08-29 11:10:54 +10:00
Ferdinand Mütsch	6aad1633e1	chore: update issue templates [ci skip]	2021-08-21 09:35:45 +02:00
Ferdinand Mütsch	c07a4d71a0	fix: include tzdata package in alpine docker image [ci-skip]	2021-08-21 09:16:45 +02:00
Ferdinand Mütsch	dff0b742fc	Merge branch 'sdvcrx-master'	2021-08-19 09:01:27 +02:00
Ferdinand Mütsch	4f65f94766	chore: bump version	2021-08-19 09:01:19 +02:00
sdvcrx	825663acde	fix: compatible with new wakatime-cli	2021-08-19 14:48:26 +08:00
Ferdinand Mütsch	f399fd4ea7	docs: readme [ci-skip]	2021-08-12 09:25:19 +02:00
Ferdinand Mütsch	87fadf46f7	chore: use partial includes in mail templates to avoid code duplication	2021-08-08 12:33:40 +02:00
Ferdinand Mütsch	69f5d510dc	chore: exclude health endpoint from logging	2021-08-07 10:31:26 +02:00
Ferdinand Mütsch	0542813ed6	docs: update backwards-compatible api url in readme	2021-08-07 10:23:27 +02:00
Ferdinand Mütsch	c962a3891d	chore: update postman collection	2021-08-07 10:18:33 +02:00
Ferdinand Mütsch	2088987a0c	chore: implement diagnostics endpoint (resolve #225 )	2021-08-07 10:16:50 +02:00
Ferdinand Mütsch	9e3203ac41	fix: tests	2021-08-07 00:12:45 +02:00
Ferdinand Mütsch	58719182c4	chore: notify users about failing wakatime connection	2021-08-06 23:28:03 +02:00
Ferdinand Mütsch	a8df25be08	chore: more verbose logging	2021-08-06 22:38:57 +02:00
Ferdinand Mütsch	391cc1e5b4	chore: fix syntax for postgres	2021-08-06 17:17:06 +02:00
Ferdinand Mütsch	3bb22e5e84	Merge remote-tracking branch 'origin/master'	2021-08-06 17:08:28 +02:00
Ferdinand Mütsch	93bdb48d95	fix: resolve project labels before resolving aliases (resolve #222 )	2021-08-06 17:08:11 +02:00
Ferdinand Mütsch	533b5d62fc	fix: speed up settings page (resolve #226 )	2021-08-06 16:37:01 +02:00
Ferdinand Mütsch	0af5fab75f	refactor: resolve project labels at runtime (resolve #227 )	2021-08-06 16:36:56 +02:00
Steven Tang	fecc8b3b5f	fix: remove unix socket if exists (#220 )	2021-08-06 16:36:44 +02:00
Steven Tang	24b8ff6381	feat: build/push arm64 Docker image	2021-08-06 16:36:44 +02:00
don Pablo	180e75a5eb	fix: README link to 'config.default.yml'	2021-08-06 16:36:44 +02:00
Ferdinand Mütsch	f48b49d26e	chore: upgrade dependencies	2021-08-06 14:26:03 +02:00
Steven Tang	47b9cacb26	fix: remove unix socket if exists (#220 )	2021-07-10 09:10:55 +00:00
Ferdinand Mütsch	23fc1b62cc	Merge pull request #219 from muety/docker-arm Build and push arm64 Docker image	2021-07-09 09:47:31 +02:00
Steven Tang	74f6a255a8	feat: build/push arm64 Docker image	2021-07-09 16:17:50 +10:00
Ferdinand Mütsch	7a5dce29bd	Merge pull request #218 from donPabloNow/master fix: README link to 'config.default.yml'	2021-07-07 11:36:26 +02:00
don Pablo	0e1596fe70	fix: README link to 'config.default.yml'	2021-07-06 23:44:08 +02:00
Ferdinand Mütsch	48513b660d	chore: configurable count cache ttl	2021-06-27 12:08:11 +02:00
Ferdinand Mütsch	69f73fc0ea	chore: dependency upgrades	2021-06-27 11:46:08 +02:00
Ferdinand Mütsch	0e788b0777	chore: bump version	2021-06-27 11:37:54 +02:00
Ferdinand Mütsch	181aefa2f9	chore: further optimizations and caching to speed up metrics endpoint (resolve #215 )	2021-06-27 11:33:14 +02:00
Steven Tang	407925ec53	feat: add alpine image	2021-06-27 18:01:43 +10:00
Ferdinand Mütsch	5e96e2a601	chore: cache active users with hourly precision	2021-06-26 12:42:51 +02:00
Ferdinand Mütsch	4d2a160ccb	chore: configurable request timeout	2021-06-24 21:56:47 +02:00
Ferdinand Mütsch	c3957ec0c8	chore: log unmatched requests	2021-06-24 21:40:51 +02:00
Ferdinand Mütsch	312dfb36d8	chore: add default config param	2021-06-23 18:45:58 +02:00
Ferdinand Mütsch	c66605d463	chore: bump version	2021-06-23 18:43:54 +02:00
Andrew Udvare	3c12df52d9	feat: 🎸 add support for using a UNIX domain socket	2021-06-23 11:44:00 -04:00
Ferdinand Mütsch	dd6a040171	chore: add api tests for all alternative heartbeat endpoints	2021-06-22 00:27:46 +02:00
Ferdinand Mütsch	9f1266957b	fix: single heartbeat endpoint (resolve #212 ) docs: swagger docs for all available heartbeat endpoints	2021-06-21 21:53:47 +02:00
Ferdinand Mütsch	466f2e1786	fix: summary caching (resolve #211 )	2021-06-19 12:47:35 +02:00
Ferdinand Mütsch	82b8951437	fix: attempt to fix failing sqlite migrations (resolve #210 )	2021-06-13 11:43:24 +02:00
Ferdinand Mütsch	25464e9519	chore: code smells	2021-06-13 10:14:15 +02:00
Ferdinand Mütsch	650fffa344	fix: exclude zero entries again	2021-06-12 12:06:24 +02:00
Ferdinand Mütsch	69627fbe11	fix: exclude zero entries	2021-06-12 12:04:38 +02:00
Ferdinand Mütsch	561198b203	chore: minor ui improvements	2021-06-12 12:01:20 +02:00
Ferdinand Mütsch	7c4a2024b6	chore: link to labels settings	2021-06-12 11:40:13 +02:00
Ferdinand Mütsch	7bcd6890d1	chore: adapt tests and bump version	2021-06-12 11:26:15 +02:00
Ferdinand Mütsch	1e4e530c21	chore: adapt tests	2021-06-12 11:09:24 +02:00
Ferdinand Mütsch	490cca05eb	feat: ui for managing project labels	2021-06-12 10:44:19 +02:00
Ferdinand Mütsch	3780ae4255	fix: invalidate user summary cache (fix #209 )	2021-06-12 10:43:56 +02:00
Ferdinand Mütsch	628ea0b9dd	fix: nil pointer dereference chore: allow to share labels publicly on settings page	2021-06-12 09:12:28 +02:00
Ferdinand Mütsch	0d64858721	feat: implement project labels (resolve #204 )	2021-06-11 20:59:34 +02:00
Ferdinand Mütsch	c1c78d8d5b	test: add more api tests	2021-06-11 17:47:33 +02:00
Ferdinand Mütsch	538b9d2463	fix: permissions for stats endpoint	2021-06-11 17:41:45 +02:00
Ferdinand Mütsch	f4612fd542	fix: badge endpoint permission fixes (resolve #205 ) fix: reference past x days intervals from now instead of start of day	2021-06-11 16:02:28 +02:00
Ferdinand Mütsch	fb643571d2	Merge remote-tracking branch 'origin/master'	2021-06-10 23:22:58 +02:00
Ferdinand Mütsch	101fdfb957	chore: adapt default insert batch size (fix #206 ) fix: set user data flag after import (fix #207)	2021-06-10 23:22:04 +02:00
Ferdinand Mütsch	a4d47fb566	test: more api tests [ci skip]	2021-05-29 09:52:26 +02:00
Ferdinand Mütsch	1a808f9197	feat: basic integration / api tests (wip) (resolve #9 )	2021-05-28 17:14:16 +02:00
 @ -1 +1 @@
 .27.2
 .29.5