moved migrations

Reviewed-on: #71

.gitea/workflows/build.yaml

@@ -6,6 +6,7 @@ on:
       - "*"
     branches:
       - main
+      - dev/main
 
 jobs:
   webserver:
@@ -39,34 +40,34 @@ jobs:
           push: true
           context: Backend
           tags: ${{ steps.meta.outputs.tags }}
-  document-creator:
-    name: Build Document Creator
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: git.letsstein.de
-          username: ${{ gitea.actor }}
-          password: ${{ secrets.REGISTRY_TOKEN }}
-      - name: Set up QEMU
-        uses: docker/setup-qemu-action@v3
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Extract metadata (tags, labels) for Docker
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: git.letsstein.de/tom/arbeitszeitmessung-doc-creator
-          tags: |
-            type=raw,value=latest
-            type=pep440,pattern={{version}}
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          platforms: linux/amd64,linux/arm64
-          push: true
-          context: Backend
-          tags: ${{ steps.meta.outputs.tags }}
+  # document-creator:
+  #   name: Build Document Creator
+  #   runs-on: ubuntu-latest
+  #   steps:
+  #     - name: Checkout
+  #       uses: actions/checkout@v4
+  #     - name: Login to GitHub Container Registry
+  #       uses: docker/login-action@v3
+  #       with:
+  #         registry: git.letsstein.de
+  #         username: ${{ gitea.actor }}
+  #         password: ${{ secrets.REGISTRY_TOKEN }}
+  #     - name: Set up QEMU
+  #       uses: docker/setup-qemu-action@v3
+  #     - name: Set up Docker Buildx
+  #       uses: docker/setup-buildx-action@v3
+  #     - name: Extract metadata (tags, labels) for Docker
+  #       id: meta
+  #       uses: docker/metadata-action@v5
+  #       with:
+  #         images: git.letsstein.de/tom/arbeitszeitmessung-doc-creator
+  #         tags: |
+  #           type=raw,value=latest
+  #           type=pep440,pattern={{version}}
+  #     - name: Build and push
+  #       uses: docker/build-push-action@v6
+  #       with:
+  #         platforms: linux/amd64,linux/arm64
+  #         push: true
+  #         context: DocumentCreator
+  #         tags: ${{ steps.meta.outputs.tags }}

Backend/Dockerfile

@@ -14,9 +14,13 @@ COPY . .
 RUN go build -o server .
 
 FROM alpine:3.22
-RUN apk add --no-cache tzdata
+RUN apk add --no-cache tzdata typst
 WORKDIR /app
 COPY --from=build /app/server /app/server
 
+COPY migrations /app/migrations
+
+COPY doc /doc
+
 COPY /static /app/static
 ENTRYPOINT ["./server"]

Backend/database.go

@@ -5,7 +5,12 @@ import (
 	"arbeitszeitmessung/models"
 	"database/sql"
 	"fmt"
+	"log/slog"
 
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/database/postgres"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
 	_ "github.com/lib/pq"
 )
 
@@ -16,6 +21,45 @@ func OpenDatabase() (models.IDatabase, error) {
 	dbPassword := helper.GetEnv("POSTGRES_API_PASS", "password")
 	dbTz := helper.GetEnv("TZ", "Europe/Berlin")
 
-	connStr := fmt.Sprintf("postgres://%s:%s@%s:5432/%s?sslmode=disable&TimeZone=%s", dbUser, dbPassword, dbHost, dbName, dbTz)
+	connStr := fmt.Sprintf(
+		"host=%s user=%s dbname=%s password=%s sslmode=disable TimeZone=%s",
+		dbHost, dbUser, dbName, dbPassword, dbTz)
+
 	return sql.Open("postgres", connStr)
 }
+
+func Migrate() error {
+	dbHost := helper.GetEnv("POSTGRES_HOST", "localhost")
+	dbName := helper.GetEnv("POSTGRES_DB", "arbeitszeitmessung")
+	dbPassword := helper.GetEnv("POSTGRES_PASSWORD", "password")
+	dbTz := helper.GetEnv("TZ", "Europe/Berlin")
+
+	connStr := fmt.Sprintf(
+		"host=%s user=%s dbname=%s password=%s sslmode=disable TimeZone=%s",
+		dbHost, "migrate", dbName, dbPassword, dbTz)
+
+	db, err := sql.Open("postgres", connStr)
+	if err != nil {
+		return err
+	}
+
+	driver, err := postgres.WithInstance(db, &postgres.Config{})
+	if err != nil {
+		return err
+	}
+
+	m, err := migrate.NewWithDatabaseInstance("file:///app/migrations", "postgres", driver)
+	if err != nil {
+		return err
+	}
+
+	slog.Info("Connected to database. Running migrations now.")
+
+	// Migrate all the way up ...
+	if err := m.Up(); err != nil && err != migrate.ErrNoChange {
+		return err
+	}
+
+	slog.Info("Finished migrations starting webserver.")
+	return nil
+}

Backend/endpoints/auto-logout.go

@@ -21,7 +21,7 @@ func LogoutHandler(w http.ResponseWriter, r *http.Request) {
 
 func autoLogout(w http.ResponseWriter) {
 	users, err := models.GetAllUsers()
-	var logged_out_users []models.User
+	var loggedOutUsers []models.User
 	if err != nil {
 		fmt.Printf("Error getting user list %v\n", err)
 	}
@@ -31,7 +31,7 @@ func autoLogout(w http.ResponseWriter) {
 			if err != nil {
 				fmt.Printf("Error logging out user %v\n", err)
 			} else {
-				logged_out_users = append(logged_out_users, user)
+				loggedOutUsers = append(loggedOutUsers, user)
 				log.Printf("Automaticaly logged out user %s, %s ", user.Name, user.Vorname)
 			}
 		}
@@ -39,6 +39,6 @@ func autoLogout(w http.ResponseWriter) {
 	}
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(http.StatusOK)
-	json.NewEncoder(w).Encode(logged_out_users)
+	json.NewEncoder(w).Encode(loggedOutUsers)
 
 }

Backend/endpoints/pdf-create.go

@@ -198,8 +198,9 @@ func renderPDFSingle(data []typstData) (bytes.Buffer, error) {
 	var markup bytes.Buffer
 	var output bytes.Buffer
 
-	typstCLI := typst.DockerExec{
-		ContainerName: helper.GetEnv("TYPST_CONTAINER", "arbeitszeitmessung-doc-creator"),
+	typstCLI := typst.CLI{
+		WorkingDirectory: "/doc/",
+		// ContainerName: helper.GetEnv("TYPST_CONTAINER", "arbeitszeitmessung-doc-creator"),
 	}
 
 	if err := typst.InjectValues(&markup, map[string]any{"data": data}); err != nil {
@@ -225,8 +226,9 @@ func renderPDFSingle(data []typstData) (bytes.Buffer, error) {
 func renderPDFMulti(data []typstData) ([]bytes.Buffer, error) {
 	var outputMulti []bytes.Buffer
 
-	typstRender := typst.DockerExec{
-		ContainerName: helper.GetEnv("TYPST_CONTAINER", "arbeitszeitmessung-doc-creator"),
+	typstRender := typst.CLI{
+		WorkingDirectory: "/doc/",
+		// ContainerName: helper.GetEnv("TYPST_CONTAINER", "arbeitszeitmessung-doc-creator"),
 	}
 
 	for _, d := range data {

Backend/endpoints/time-create.go

@@ -7,6 +7,7 @@ import (
 	"errors"
 	"log"
 	"net/http"
+	"time"
 )
 
 // Relevant for arduino inputs -> creates new Booking from get and put method
@@ -36,6 +37,7 @@ func createBooking(w http.ResponseWriter, r *http.Request) {
 	}
 
 	booking := (*models.Booking).FromUrlParams(nil, r.URL.Query())
+	booking.Timestamp = time.Now()
 	if booking.Verify() {
 		err := booking.Insert()
 		if errors.Is(models.SameBookingError{}, err) {

Backend/endpoints/time.go

@@ -94,7 +94,7 @@ func getBookings(w http.ResponseWriter, r *http.Request) {
 		if day.Date().Before(lastSub) {
 			continue
 		}
-		aggregatedOvertime += day.GetOvertime(user, models.WorktimeBaseDay, false)
+		aggregatedOvertime += day.GetOvertime(user, models.WorktimeBaseDay, true)
 	}
 	if reportedOvertime, err := user.GetReportedOvertime(); err == nil {
 		user.Overtime = (reportedOvertime + aggregatedOvertime).Round(time.Minute)
@@ -160,19 +160,13 @@ func updateBooking(w http.ResponseWriter, r *http.Request) {
 
 		newBooking := (*models.Booking).New(nil, user.CardUID, 0, int16(check_in_out), 1)
 		newBooking.Timestamp = timestamp
+		if newBooking.Verify() {
 			err = newBooking.InsertWithTimestamp()
 			if err != nil {
 				log.Printf("Error inserting booking %v -> %v\n", newBooking, err)
 			}
+		}
 	case "change":
-		// absenceType, err := strconv.Atoi(r.FormValue("absence"))
-		// if err != nil {
-		// 	log.Println("Error parsing absence type.", err)
-		// 	absenceType = 0
-		// }
-		// if absenceType != 0 {
-		// 	createAbsence(absenceType, user, loc, r)
-		// }
 		for index, possibleBooking := range r.PostForm {
 			if len(index) > 7 && index[:7] == "booking" {
 				booking_id, err := strconv.Atoi(index[8:])

Backend/go.sum

@@ -4,8 +4,6 @@ github.com/Dadido3/go-typst v0.8.0 h1:uTLYprhkrBjwsCXRRuyYUFL0fpYHa2kIYoOB/CGqVN
 github.com/Dadido3/go-typst v0.8.0/go.mod h1:QYis9sT70u65kn1SkFfyPRmHsPxgoxWbAixwfPReOZA=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
-github.com/a-h/templ v0.3.943 h1:o+mT/4yqhZ33F3ootBiHwaY4HM5EVaOJfIshvd5UNTY=
-github.com/a-h/templ v0.3.943/go.mod h1:oCZcnKRf5jjsGpf2yELzQfodLphd2mwecwG4Crk5HBo=
 github.com/a-h/templ v0.3.960 h1:trshEpGa8clF5cdI39iY4ZrZG8Z/QixyzEyUnA7feTM=
 github.com/a-h/templ v0.3.960/go.mod h1:oCZcnKRf5jjsGpf2yELzQfodLphd2mwecwG4Crk5HBo=
 github.com/alexedwards/scs/v2 v2.8.0 h1:h31yUYoycPuL0zt14c0gd+oqxfRwIj6SOjHdKRZxhEw=
@@ -39,6 +37,8 @@ github.com/golang-migrate/migrate/v4 v4.18.3 h1:EYGkoOsvgHHfm5U/naS1RP/6PL/Xv3S4
 github.com/golang-migrate/migrate/v4 v4.18.3/go.mod h1:99BKpIi6ruaaXRM1A77eqZ+FWPQ3cfRa+ZVy5bmWMaY=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
+github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -78,7 +78,6 @@ github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8
 github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
-github.com/wlbr/feiertage v1.10.0/go.mod h1:wJOHvMa6sI5L1FkrTOX/GSoO0hpK3S2YqGLPi8Q84I0=
 github.com/wlbr/feiertage v1.17.0 h1:AEck/iUQu19iU0xNEoSQTeSTGXF1Ju0tbAwEi/Lmwqk=
 github.com/wlbr/feiertage v1.17.0/go.mod h1:TVZgmSZgGW/jSxexZ56qdlR6cDj+F/FO8bkw8U6kYxM=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=

Backend/main.go

@@ -5,6 +5,7 @@ import (
 	"arbeitszeitmessung/helper"
 	"arbeitszeitmessung/models"
 	"context"
+	"database/sql"
 	"log/slog"
 	"net/http"
 	"os"
@@ -17,7 +18,16 @@ import (
 func main() {
 	var err error
 	var logLevel slog.LevelVar
+	switch helper.GetEnv("LOG_LEVEL", "warn") {
+	case "debug":
+		logLevel.Set(slog.LevelDebug)
+	case "info":
+		logLevel.Set(slog.LevelInfo)
+	case "warn":
 		logLevel.Set(slog.LevelWarn)
+	case "error":
+		logLevel.Set(slog.LevelError)
+	}
 
 	logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{Level: &logLevel}))
 	slog.SetDefault(logger)
@@ -35,6 +45,15 @@ func main() {
 	models.DB, err = OpenDatabase()
 	if err != nil {
 		slog.Error("Error while opening the database", "Error", err)
+		return
+	}
+
+	defer models.DB.(*sql.DB).Close()
+
+	err = Migrate()
+	if err != nil {
+		slog.Error("Failed to migrate the database to newest version", "Error", err)
+		return
 	}
 
 	fs := http.FileServer(http.Dir("./static"))
@@ -61,6 +80,8 @@ func main() {
 
 	serverSessionMiddleware := endpoints.Session.LoadAndSave(server)
 
+	serverSessionMiddleware = loggingMiddleware(serverSessionMiddleware)
+
 	// starting the http server
 	slog.Info("Server is running at http://localhost:8080")
 	slog.Error("Error starting Server", "Error", http.ListenAndServe(":8080", serverSessionMiddleware))
@@ -70,7 +91,24 @@ func ParamsMiddleware(next http.HandlerFunc) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		queryParams := r.URL.Query()
 		ctx := context.WithValue(r.Context(), "urlParams", queryParams)
+		if len(queryParams) > 0 {
 			slog.Debug("ParamsMiddleware added urlParams", slog.Any("urlParams", queryParams))
+		}
 		next.ServeHTTP(w, r.WithContext(ctx))
 	})
 }
+
+func loggingMiddleware(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		start := time.Now()
+
+		// Log the method and the requested URL
+		slog.Info("Started request", slog.String("Method", r.Method), slog.String("Path", r.URL.Path))
+
+		// Call the next handler in the chain
+		next.ServeHTTP(w, r)
+
+		// Log how long it took
+		slog.Info("Completet Request", slog.String("Time", time.Since(start).String()))
+	})
+}

Backend/migrations/20250901201159_initial.up.sql

@@ -1,3 +1,11 @@
+ALTER DEFAULT PRIVILEGES FOR ROLE migrate
+IN SCHEMA public
+GRANT SELECT ON TABLES TO app_base;
+
+ALTER DEFAULT PRIVILEGES FOR ROLE migrate
+IN SCHEMA public
+GRANT USAGE, SELECT ON SEQUENCES TO app_base;
+
 -- create "abwesenheit" table
 CREATE TABLE "abwesenheit" (
   "counter_id" bigserial NOT NULL,
@@ -6,6 +14,7 @@ CREATE TABLE "abwesenheit" (
   "datum" timestamptz NULL DEFAULT (now())::date,
   PRIMARY KEY ("counter_id")
 );
+
 -- create "anwesenheit" table
 CREATE TABLE "anwesenheit" (
   "counter_id" bigserial NOT NULL,
@@ -55,3 +64,6 @@ CREATE TABLE "wochen_report" (
   PRIMARY KEY ("id"),
   CONSTRAINT "wochen_report_personal_nummer_woche_start_key" UNIQUE ("personal_nummer", "woche_start")
 );
+
+GRANT INSERT, UPDATE ON abwesenheit, anwesenheit, wochen_report, user_password TO app_base;
+GRANT DELETE ON abwesenheit to app_base;

Backend/migrations/20250901201710_triggers_extension.down.sql

@@ -3,8 +3,3 @@
 DROP FUNCTION update_zuletzt_geandert;
 
 DROP TRIGGER  IF EXISTS pass_hash_update ON user_password;
-
-
--- revert: Adds crypto extension
-
-DROP EXTENSION IF EXISTS pgcrypto;

Backend/migrations/20250901201710_triggers_extension.up.sql

@@ -17,5 +17,3 @@ FOR EACH ROW
 EXECUTE FUNCTION update_zuletzt_geandert();
 
 -- Adds crypto extension
-
-CREATE EXTENSION IF NOT EXISTS pgcrypto;

Backend/migrations/20251217215955_feiertage.up.sql

@@ -11,3 +11,5 @@ CREATE TABLE "s_feiertage" (
 );
 -- create index "feiertage_unique_pro_jahr" to table: "s_feiertage"
 CREATE UNIQUE INDEX "feiertage_unique_pro_jahr" ON "s_feiertage" ((EXTRACT(year FROM datum)), "name");
+
+GRANT INSERT, UPDATE ON s_feiertage TO app_base;

Backend/models/booking.go

@@ -128,6 +128,9 @@ func (b *Booking) InsertWithTimestamp() error {
 	if b.Timestamp.IsZero() {
 		return b.Insert()
 	}
+	if !checkLastBooking(*b) {
+		return SameBookingError{}
+	}
 	stmt, err := DB.Prepare((`INSERT INTO anwesenheit (card_uid, geraet_id, check_in_out, anwesenheit_typ, timestamp) VALUES ($1, $2, $3, $4, $5) RETURNING counter_id`))
 	if err != nil {
 		return err
@@ -242,12 +245,13 @@ func (b *Booking) Update(nb Booking) {
 
 func checkLastBooking(b Booking) bool {
 	var check_in_out int
-	stmt, err := DB.Prepare((`SELECT check_in_out FROM "anwesenheit" WHERE "card_uid" = $1 ORDER BY "timestamp" DESC LIMIT 1;`))
+	slog.Info("Checking with timestamp:", "timestamp", b.Timestamp.String())
+	stmt, err := DB.Prepare((`SELECT check_in_out FROM "anwesenheit" WHERE "card_uid" = $1 AND "timestamp"::DATE <= $2::DATE ORDER BY "timestamp" DESC LIMIT 1;`))
 	if err != nil {
 		log.Fatalf("Error preparing query: %v", err)
 		return false
 	}
-	err = stmt.QueryRow(b.CardUID).Scan(&check_in_out)
+	err = stmt.QueryRow(b.CardUID, b.Timestamp).Scan(&check_in_out)
 	if err == sql.ErrNoRows {
 		return true
 	}

Backend/models/compoundDay.go

@@ -28,7 +28,7 @@ func (c *CompoundDay) GetWorkDay() WorkDay {
 
 // IsEmpty implements [IWorkDay].
 func (c *CompoundDay) IsEmpty() bool {
-	return len(c.DayParts) > 0
+	return len(c.DayParts) == 0
 }
 
 // Date implements [IWorkDay].
@@ -47,12 +47,16 @@ func (c *CompoundDay) GetDayProgress(u User) int8 {
 
 // GetOvertime implements [IWorkDay].
 func (c *CompoundDay) GetOvertime(u User, base WorktimeBase, includeKurzarbeit bool) time.Duration {
+	work := c.GetWorktime(u, base, includeKurzarbeit)
+	var targetHours time.Duration
 
-	var overtime time.Duration
-	for _, day := range c.DayParts {
-		overtime += day.GetOvertime(u, base, includeKurzarbeit)
+	switch base {
+	case WorktimeBaseDay:
+		targetHours = u.ArbeitszeitProTagFrac(1)
+	case WorktimeBaseWeek:
+		targetHours = u.ArbeitszeitProWocheFrac(.2)
 	}
-	return overtime
+	return (work - targetHours).Round(time.Minute)
 }
 
 // GetPausetime implements [IWorkDay].

Backend/models/iworkday.go

@@ -49,19 +49,16 @@ func GetDays(user User, tsFrom, tsTo time.Time, orderedForward bool) []IWorkDay
 	}
 
 	for _, absentDay := range absences {
-		// Kurzarbeit should be integrated in workday
+
+		// Check if there is already a day
 		existingDay, ok := allDays[absentDay.Date().Format(time.DateOnly)]
-		if !ok {
-			allDays[absentDay.Date().Format(time.DateOnly)] = &absentDay
-			continue
-		}
 		switch {
 		case absentDay.AbwesenheitTyp.WorkTime < 0:
 			if workDay, ok := allDays[absentDay.Date().Format(time.DateOnly)].(*WorkDay); ok {
 				workDay.kurzArbeit = true
 				workDay.kurzArbeitAbsence = absentDay
 			}
-		case !existingDay.IsEmpty():
+		case ok && !existingDay.IsEmpty():
 			allDays[absentDay.Date().Format(time.DateOnly)] = NewCompondDay(absentDay.Date(), existingDay, &absentDay)
 		default:
 			allDays[absentDay.Date().Format(time.DateOnly)] = &absentDay

Backend/models/workDay.go

@@ -175,21 +175,38 @@ func GetWorkDays(user User, tsFrom, tsTo time.Time) []WorkDay {
 	qStr, err := DB.Prepare(`
 	WITH all_days AS (
     	SELECT generate_series($2::DATE, $3::DATE - INTERVAL '1 day', INTERVAL '1 day')::DATE AS work_date),
-    ordered_bookings AS (
+     normalized_bookings AS (
+         SELECT *
+         FROM (
              SELECT
-	        a.timestamp::DATE AS work_date,
+                 a.card_uid,
                  a.timestamp,
+                 a.timestamp::DATE AS work_date,
                  a.check_in_out,
                  a.counter_id,
                  a.anwesenheit_typ,
                  sat.anwesenheit_name AS anwesenheit_typ_name,
-	        LAG(a.timestamp) OVER (PARTITION BY a.card_uid, a.timestamp::DATE ORDER BY a.timestamp) AS prev_timestamp,
-	        LAG(a.check_in_out) OVER (PARTITION BY a.card_uid, a.timestamp::DATE ORDER BY a.timestamp) AS prev_check
+                 LAG(a.check_in_out) OVER (
+                     PARTITION BY a.card_uid, a.timestamp::DATE
+                     ORDER BY a.timestamp
+                 ) AS prev_check
              FROM anwesenheit a
-	    LEFT JOIN s_anwesenheit_typen sat ON a.anwesenheit_typ = sat.anwesenheit_id
+             LEFT JOIN s_anwesenheit_typen sat
+                 ON a.anwesenheit_typ = sat.anwesenheit_id
              WHERE a.card_uid = $1
                AND a.timestamp::DATE >= $2
                AND a.timestamp::DATE <= $3
+         ) t
+         WHERE prev_check IS NULL OR prev_check <> check_in_out
+     ),
+     ordered_bookings AS (
+         SELECT
+             *,
+             LAG(timestamp) OVER (
+                 PARTITION BY card_uid, work_date
+                 ORDER BY timestamp
+             ) AS prev_timestamp
+         FROM normalized_bookings
      )
 	SELECT
 	    d.work_date,
@@ -228,6 +245,62 @@ func GetWorkDays(user User, tsFrom, tsTo time.Time) []WorkDay {
 	GROUP BY d.work_date
 	ORDER BY d.work_date ASC;`)
 
+	// qStr, err := DB.Prepare(`
+	// WITH all_days AS (
+	//    	SELECT generate_series($2::DATE, $3::DATE - INTERVAL '1 day', INTERVAL '1 day')::DATE AS work_date),
+	//    ordered_bookings AS (
+	//     SELECT
+	//         a.timestamp::DATE AS work_date,
+	//         a.timestamp,
+	//         a.check_in_out,
+	//         a.counter_id,
+	//         a.anwesenheit_typ,
+	//         sat.anwesenheit_name AS anwesenheit_typ_name,
+	//         LAG(a.timestamp) OVER (PARTITION BY a.card_uid, a.timestamp::DATE ORDER BY a.timestamp) AS prev_timestamp,
+	//         LAG(a.check_in_out) OVER (PARTITION BY a.card_uid, a.timestamp::DATE ORDER BY a.timestamp) AS prev_check
+	//     FROM anwesenheit a
+	//     LEFT JOIN s_anwesenheit_typen sat ON a.anwesenheit_typ = sat.anwesenheit_id
+	//     WHERE a.card_uid = $1
+	//       AND a.timestamp::DATE >= $2
+	//       AND a.timestamp::DATE <= $3
+	// )
+	// SELECT
+	//     d.work_date,
+	//     COALESCE(MIN(b.timestamp), NOW()) AS time_from,
+	//     COALESCE(MAX(b.timestamp), NOW()) AS time_to,
+	//     COALESCE(
+	//         EXTRACT(EPOCH FROM SUM(
+	//             CASE
+	//                 WHEN b.prev_check IN (1, 3) AND b.check_in_out IN (2, 4, 254)
+	//                 THEN b.timestamp - b.prev_timestamp
+	//                 ELSE INTERVAL '0'
+	//             END
+	//         )), 0
+	//     ) AS total_work_seconds,
+	//     COALESCE(
+	//         EXTRACT(EPOCH FROM SUM(
+	//             CASE
+	//                 WHEN b.prev_check IN (2, 4, 254) AND b.check_in_out IN (1, 3)
+	//                 THEN b.timestamp - b.prev_timestamp
+	//                 ELSE INTERVAL '0'
+	//             END
+	//         )), 0
+	//     ) AS total_pause_seconds,
+	//     COALESCE(jsonb_agg(jsonb_build_object(
+	//         'check_in_out', b.check_in_out,
+	//         'timestamp', b.timestamp,
+	//         'counter_id', b.counter_id,
+	//         'anwesenheit_typ', b.anwesenheit_typ,
+	//         'anwesenheit_typ', jsonb_build_object(
+	//             'anwesenheit_id', b.anwesenheit_typ,
+	//             'anwesenheit_name', b.anwesenheit_typ_name
+	//         )
+	//     ) ORDER BY b.timestamp), '[]'::jsonb) AS bookings
+	// FROM all_days d
+	// LEFT JOIN ordered_bookings b ON d.work_date = b.work_date
+	// GROUP BY d.work_date
+	// ORDER BY d.work_date ASC;`)
+
 	if err != nil {
 		log.Println("Error preparing SQL statement", err)
 		return workDays
@@ -258,7 +331,7 @@ func GetWorkDays(user User, tsFrom, tsTo time.Time) []WorkDay {
 		if len(workDay.Bookings) == 1 && workDay.Bookings[0].CounterId == 0 {
 			workDay.Bookings = []Booking{}
 		}
-		if len(workDay.Bookings) > 1 || !helper.IsWeekend(workDay.Date()) {
+		if len(workDay.Bookings) >= 1 || !helper.IsWeekend(workDay.Date()) {
 			workDays = append(workDays, workDay)
 		}
 	}

Backend/static/css/styles.css

@@ -205,45 +205,24 @@
   .top-0 {
     top: calc(var(--spacing) * 0);
   }
-  .top-1 {
-    top: calc(var(--spacing) * 1);
-  }
   .top-1\/2 {
     top: calc(1/2 * 100%);
   }
-  .top-2 {
-    top: calc(var(--spacing) * 2);
-  }
   .top-2\.5 {
     top: calc(var(--spacing) * 2.5);
   }
-  .top-25 {
-    top: calc(var(--spacing) * 25);
-  }
-  .top-26 {
-    top: calc(var(--spacing) * 26);
-  }
   .top-\[0\.125rem\] {
     top: 0.125rem;
   }
   .right-1 {
     right: calc(var(--spacing) * 1);
   }
-  .right-2 {
-    right: calc(var(--spacing) * 2);
-  }
   .right-2\.5 {
     right: calc(var(--spacing) * 2.5);
   }
-  .left-1 {
-    left: calc(var(--spacing) * 1);
-  }
   .left-1\/2 {
     left: calc(1/2 * 100%);
   }
-  .z-10 {
-    z-index: 10;
-  }
   .z-100 {
     z-index: 100;
   }
@@ -404,9 +383,6 @@
   .h-2 {
     height: calc(var(--spacing) * 2);
   }
-  .h-3 {
-    height: calc(var(--spacing) * 3);
-  }
   .h-3\.5 {
     height: calc(var(--spacing) * 3.5);
   }
@@ -431,9 +407,6 @@
   .w-2 {
     width: calc(var(--spacing) * 2);
   }
-  .w-3 {
-    width: calc(var(--spacing) * 3);
-  }
   .w-3\.5 {
     width: calc(var(--spacing) * 3.5);
   }
@@ -443,9 +416,6 @@
   .w-5 {
     width: calc(var(--spacing) * 5);
   }
-  .w-9 {
-    width: calc(var(--spacing) * 9);
-  }
   .w-9\/10 {
     width: calc(9/10 * 100%);
   }
@@ -458,9 +428,6 @@
   .w-full {
     width: 100%;
   }
-  .flex-shrink {
-    flex-shrink: 1;
-  }
   .flex-shrink-0 {
     flex-shrink: 0;
   }
@@ -476,21 +443,10 @@
   .basis-\[content\] {
     flex-basis: content;
   }
-  .border-collapse {
-    border-collapse: collapse;
-  }
-  .-translate-x-1 {
-    --tw-translate-x: calc(var(--spacing) * -1);
-    translate: var(--tw-translate-x) var(--tw-translate-y);
-  }
   .-translate-x-1\/2 {
     --tw-translate-x: calc(calc(1/2 * 100%) * -1);
     translate: var(--tw-translate-x) var(--tw-translate-y);
   }
-  .-translate-y-1 {
-    --tw-translate-y: calc(var(--spacing) * -1);
-    translate: var(--tw-translate-x) var(--tw-translate-y);
-  }
   .-translate-y-1\/2 {
     --tw-translate-y: calc(calc(1/2 * 100%) * -1);
     translate: var(--tw-translate-x) var(--tw-translate-y);
@@ -501,9 +457,6 @@
   .cursor-pointer {
     cursor: pointer;
   }
-  .resize {
-    resize: both;
-  }
   .scroll-m-2 {
     scroll-margin: calc(var(--spacing) * 2);
   }
@@ -661,9 +614,6 @@
   .bg-red-600 {
     background-color: var(--color-red-600);
   }
-  .mask-repeat {
-    mask-repeat: repeat;
-  }
   .p-1 {
     padding: calc(var(--spacing) * 1);
   }
@@ -740,16 +690,9 @@
   .uppercase {
     text-transform: uppercase;
   }
-  .underline {
-    text-decoration-line: underline;
-  }
   .opacity-0 {
     opacity: 0%;
   }
-  .outline {
-    outline-style: var(--tw-outline-style);
-    outline-width: 1px;
-  }
   .filter {
     filter: var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,);
   }
@@ -1195,11 +1138,6 @@
   syntax: "*";
   inherits: false;
 }
-@property --tw-outline-style {
-  syntax: "*";
-  inherits: false;
-  initial-value: solid;
-}
 @property --tw-blur {
   syntax: "*";
   inherits: false;
@@ -1272,7 +1210,6 @@
       --tw-border-style: solid;
       --tw-divide-y-reverse: 0;
       --tw-font-weight: initial;
-      --tw-outline-style: solid;
       --tw-blur: initial;
       --tw-brightness: initial;
       --tw-contrast: initial;

Backend/static/script.js

@@ -94,8 +94,8 @@ function checkAll(pattern, state) {
   }
 }
 
-bookingForms = document.querySelectorAll("form.bookings");
-for (form of bookingForms) {
+const bookingForms = document.querySelectorAll("form.bookings");
+for (let form of bookingForms) {
   let selectKommenInput = form.querySelector("input[name='select_kommen']");
   let kommenGehenSelector = form.querySelector("select");
   if (selectKommenInput) {

Backend/templates/timePage.templ

@@ -115,7 +115,7 @@ templ defaultDayComponent(day models.IWorkDay) {
 						if pause > 0 {
 							<p class="text-neutral-500 flex flex-row items-center"><span class="icon-[material-symbols-light--motion-photos-paused-outline]"></span>{ helper.FormatDuration(pause) }</p>
 						}
-						if overtime != 0 && day.IsEmpty() == false {
+						if !day.IsEmpty() && overtime != 0 {
 							<p class="text-neutral-500 flex flex-row items-center">
 								<span class="icon-[material-symbols-light--more-time]"></span>
 								{ helper.FormatDuration(overtime) }

Backend/templates/timePage_templ.go

@@ -346,7 +346,7 @@ func defaultDayComponent(day models.IWorkDay) templ.Component {
 				if templ_7745c5c3_Err != nil {
 					return templ_7745c5c3_Err
 				}
-				if overtime != 0 && day.IsEmpty() == false {
+				if !day.IsEmpty() && overtime != 0 {
 					templ_7745c5c3_Err = templruntime.WriteString(templ_7745c5c3_Buffer, 27, "<p class=\"text-neutral-500 flex flex-row items-center\"><span class=\"icon-[material-symbols-light--more-time]\"></span> ")
 					if templ_7745c5c3_Err != nil {
 						return templ_7745c5c3_Err

Cron/autoBackup.sh

@@ -0,0 +1,6 @@
+# cron-timing: 05 01  *   *   1
+container_name="arbeitszeitmessung-main-db-1"
+filename=backup-$(date '+%d%m%Y').sql
+database_name=__DATABASE__
+docker exec $container_name pg_dump $database_name > /home/pi/arbeitszeitmessung-backup/$filename
+echo "created backup file: "$filename

Cron/autoHolidays.sh

@@ -0,0 +1,3 @@
+# Calls endpoint to write all public Holidays for the current year inside a database.
+port=__PORT__
+curl localhost:$port/auto/feiertage

Cron/autoLogout.sh

@@ -0,0 +1,4 @@
+# cron-timing: 55 23  *   *   *
+# Calls endpoint to log out all users, still logged in for today
+port=__PORT__
+curl localhost:$port/auto/logout

DB/initdb/01_create_user.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+set -e  # Exit on error
+
+echo "Creating PostgreSQL user and setting permissions... $POSTGRES_USER for API user $POSTGRES_API_USER"
+
+
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+    CREATE ROLE migrate LOGIN ENCRYPTED PASSWORD '$POSTGRES_PASSWORD';
+    GRANT USAGE, CREATE ON SCHEMA public TO migrate;
+    GRANT CONNECT ON DATABASE arbeitszeitmessung TO migrate;
+EOSQL
+
+# psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+
+#     GRANT SELECT, INSERT, UPDATE ON anwesenheit, abwesenheit, user_password, wochen_report, s_feiertage TO $POSTGRES_API_USER;
+#     GRANT DELETE ON abwesenheit TO $POSTGRES_API_USER;
+#     GRANT SELECT ON s_personal_daten, s_abwesenheit_typen, s_anwesenheit_typen, s_feiertage TO $POSTGRES_API_USER;
+#     GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO $POSTGRES_API_USER;
+# EOSQL
+
+echo "User creation and permissions setup complete!"
+
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+
+-- privilege roles
+DO \$\$
+BEGIN
+    IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = 'app_base') THEN
+        CREATE ROLE app_base NOLOGIN;
+    END IF;
+END
+\$\$;
+
+-- dynamic login role
+DO \$\$
+BEGIN
+    IF NOT EXISTS (SELECT FROM pg_roles WHERE rolname = '$POSTGRES_API_USER') THEN
+        CREATE ROLE $POSTGRES_API_USER
+            LOGIN
+            ENCRYPTED PASSWORD '$POSTGRES_API_PASS';
+    END IF;
+END
+\$\$;
+
+-- grant base privileges
+GRANT app_base TO $POSTGRES_API_USER;
+GRANT CONNECT ON DATABASE $POSTGRES_DB TO $POSTGRES_API_USER;
+GRANT USAGE ON SCHEMA public TO $POSTGRES_API_USER;
+
+CREATE EXTENSION IF NOT EXISTS pgcrypto;
+
+EOSQL
+
+# psql -v ON_ERROR_STOP=1 --username root --dbname arbeitszeitmessung

DB/initdb/02_sample_data.sql

@@ -1,8 +0,0 @@
-INSERT INTO "s_personal_daten" ("personal_nummer", "aktiv_beschaeftigt", "vorname", "nachname", "geburtsdatum", "plz", "adresse", "geschlecht", "card_uid", "hauptbeschaeftigungs_ort", "arbeitszeit_per_tag", "arbeitszeit_per_woche", "arbeitszeit_min_start", "arbeitszeit_max_ende", "vorgesetzter_pers_nr") VALUES
-(123,	't',	'Kim',	'Mustermensch',	'2003-02-01',	'08963',	'Altenburger Str. 44A',	1,	'aaaa-aaaa',	1,	8, 40,	'07:00:00',	'20:00:00',	0);
-
-INSERT INTO "user_password" ("personal_nummer", "pass_hash") VALUES
-(123, crypt('max_pass', gen_salt('bf')));
-
-INSERT INTO "s_anwesenheit_typen" ("anwesenheit_id", "anwesenheit_name") VALUES (1, 'Büro');
-INSERT INTO "s_abwesenheit_typen" ("abwesenheit_id", "abwesenheit_name", "arbeitszeit_equivalent") VALUES (1, 'Urlaub', 100), (2, 'Krank', 100), (3, 'Kurzarbeit', -1), (4, 'Urlaub untertags', 50);

DB/initdb/03_create_user.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-set -e  # Exit on error
-
-echo "Creating PostgreSQL user and setting permissions... $POSTGRES_USER for API user $POSTGRES_API_USER"
-
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    CREATE USER $POSTGRES_API_USER WITH ENCRYPTED PASSWORD '$POSTGRES_API_PASS';
-EOSQL
-
-psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
-    GRANT CONNECT ON DATABASE $POSTGRES_DB TO $POSTGRES_API_USER;
-    GRANT USAGE ON SCHEMA public TO $POSTGRES_API_USER;
-    GRANT SELECT, INSERT, UPDATE ON anwesenheit, abwesenheit, user_password, wochen_report, s_feiertage TO $POSTGRES_API_USER;
-    GRANT DELETE ON abwesenheit TO $POSTGRES_API_USER;
-    GRANT SELECT ON s_personal_daten, s_abwesenheit_typen, s_anwesenheit_typen, s_feiertage TO $POSTGRES_API_USER;
-    GRANT USAGE, SELECT ON ALL SEQUENCES IN SCHEMA public TO $POSTGRES_API_USER;
-EOSQL
-
-echo "User creation and permissions setup complete!"
-
-# psql -v ON_ERROR_STOP=1 --username root --dbname arbeitszeitmessung

Docker/docker-compose.dev.yml

@@ -3,7 +3,7 @@ services:
   db:
     volumes:
       - ${POSTGRES_PATH}:/var/lib/postgresql/data
-      # - ${POSTGRES_PATH}/initdb:/docker-entrypoint-initdb.d
+      - ${POSTGRES_PATH}/initdb:/docker-entrypoint-initdb.d
     ports:
       - 5432:5432
 

Docker/docker-compose.yml

@@ -25,12 +25,6 @@ services:
       - ${WEB_PORT}:8080
     depends_on:
       - db
-      - document-creator
     volumes:
-      - ../logs:/app/Backend/logs
-    restart: unless-stopped
-
-  document-creator:
-    image: git.letsstein.de/tom/arbeitszeitmessung-doc-creator
-    container_name: ${TYPST_CONTAINER}
+      - ${LOG_PATH}:/app/logs
     restart: unless-stopped

Docker/env.example

@@ -2,11 +2,11 @@ POSTGRES_USER=root                                  # Postgres ADMIN Nutzername
 POSTGRES_PASSWORD=very_secure                       # Postgres ADMIN Passwort
 POSTGRES_API_USER=api_nutzer                        # Postgres API Nutzername (für Arbeitszeitmessung)
 POSTGRES_API_PASS=password                          # Postgres API Passwort (für Arbeitszeitmessung)
-POSTGRES_PATH=../DB                                 # Datebank Pfad (relativ zu Docker Ordner oder absoluter pfad mit /...)
-LOG_PATH=../logs                                    # Pfad für Logdatein
+POSTGRES_PATH=__ROOT__/DB                           # Datebank Pfad (relativ zu Docker Ordner oder absoluter pfad mit /...)
 POSTGRES_DB=arbeitszeitmessung                      # Postgres Datenbank Name
-POSTGRES_PORT=127.0.0.1:5432                        # Postgres Port will not be exposed by default. regex:^[0-9]{1,5}$
+POSTGRES_PORT=127.0.0.1:5432                        # Postgres Port normalerweise nicht freigegeben. regex:^[0-9]{1,5}$
 TZ=Europe/Berlin                                    # Zeitzone
 API_TOKEN=dont_access                               # API Token für ESP Endpoints
-WEB_PORT=8000                                       # Port from which Arbeitszeitmessung should be accessable regex:^[0-9]{1,5}$
-TYPST_CONTAINER=arbeitszeitmessung-doc-creator      # Name of the pdf compiler container
+WEB_PORT=8000                                       # Port unter welchem Webserver erreichbar ist. regex:^[0-9]{1,5}$
+LOG_PATH=__ROOT__/logs                              # Pfad für Audit Logs
+LOG_LEVEL=warn                                      # Welche Log-Nachrichten werden in der Konsole erscheinen

DocumentCreator/Dockerfile

@@ -1,7 +0,0 @@
-FROM ghcr.io/typst/typst:0.14.0
-
-WORKDIR /app
-COPY ./templates /app/templates
-COPY ./static /app/static
-
-ENTRYPOINT ["sh", "-c", "while true; do sleep 3600; done"]

Makefile

@@ -44,7 +44,7 @@ generateFrontend:
 
 
 backend: generateFrontend login_registry
-	docker buildx build --platform linux/amd64,linux/arm64 -t ${IMAGE_REGISTRY}/${PACKAGE_OWNER}/arbeitszeitmessung:latest Backend --push
+	docker buildx build --platform linux/amd64,linux/arm64 -t ${IMAGE_REGISTRY}/${PACKAGE_OWNER}/arbeitszeitmessung-webserver:dev Backend --push
 	# docker buildx build --platform linux/amd64,linux/arm64 -t ${IMAGE_REGISTRY}/${PACKAGE_OWNER}/arbeitszeitmessung:${GIT_COMMIT} Backend //--push
 
 test:

install.sh

@@ -4,6 +4,10 @@ set -e
 envFile=Docker/.env
 envExample=Docker/env.example
 
+autoBackupScript=Cron/autoBackup.sh
+autoHolidaysScript=Cron/autoHolidays.sh
+autoLogoutScript=Cron/autoLogout.sh
+
 echo "Checking Docker installation..."
 if ! command -v docker >/dev/null 2>&1; then
     echo "Docker not found. Install Docker? [y/N]"
@@ -18,12 +22,16 @@ else
     echo "Docker is already installed."
 fi
 
+###########################################################################
+
 echo "Checking Docker Compose..."
 if ! docker compose version >/dev/null 2>&1; then
     echo "Docker Compose plugin missing. You may need to update Docker."
     exit 1
 fi
 
+###########################################################################
+
 echo "Preparing .env file..."
 if [ ! -f $envFile ]; then
     if [ -f $envExample ]; then
@@ -44,6 +52,9 @@ if [ ! -f $envFile ]; then
             raw_val=$(printf "%s" "$rest" | sed 's/ *#.*//')
             default_value=$(printf "%s" "$raw_val" | sed 's/"//g')
 
+            # Replace __ROOT__ with script pwd
+            default_value="${default_value/__ROOT__/$(pwd)}"
+
             regex=""
             if [[ "$comment" =~ regex:(.*)$ ]]; then
                 regex="${BASH_REMATCH[1]}"
@@ -96,13 +107,80 @@ else
     echo "Using existing .env. (found at $envFile)"
 fi
 
+###########################################################################
+
+LOG_PATH=$(grep -E '^LOG_PATH=' $envFile | cut -d= -f2)
+if [ -z "$LOG_PATH" ]; then
+  echo "LOG_PATH not found in .env using default $(pwd)/logs"
+  LOG_PATH=$(pwd)/logs
+else
+    LOG_PATH=Docker/$LOG_PATH
+fi
+mkdir -p $LOG_PATH
+echo "Created logs folder at $LOG_PATH"
+
+###########################################################################
+
+echo -e "\n\n"
 echo "Start containers with docker compose up -d? [y/N]"
 read -r start_containers
 if [[ "$start_containers" =~ ^[Yy]$ ]]; then
     cd Docker
-    mkdir ../logs
     docker compose up -d
     echo "Containers started."
 else
     echo "You can start them manually with: docker compose up -d"
 fi
+
+###########################################################################
+
+echo -e "\n\n"
+echo "Setup Crontab for automatic logout, backup and holiday creation? [y/N]"
+read -r setup_cron
+if [[ "$setup_cron" =~ ^[Yy]$ ]]; then
+    WEB_PORT=$(grep -E '^WEB_PORT=' $envFile | cut -d= -f2)
+    if [ -z "$WEB_PORT" ]; then
+      echo "WEB_PORT not found in .env using default 8000"
+      WEB_PORT=8000
+    fi
+
+    POSTGRES_DB=$(grep -E '^POSTGRES_DB=' $envFile | cut -d= -f2)
+    if [ -z "$POSTGRES_DB" ]; then
+        echo "arbeitszeitmessung not found in .env using default arbeitszeitmessung"
+        POSTGRES_DB="arbeitszeitmessung"
+    fi
+
+    sed -i "s/__PORT__/$WEB_PORT/" $autoHolidaysScript
+    sed -i "s/__PORT__/$WEB_PORT/" $autoLogoutScript
+    sed -i "s/__DATABASE__/$POSTGRES_DB/" $autoBackupScript
+
+    chmod +x $autoBackupScript $autoHolidaysScript $autoLogoutScript
+
+    # echo "Scripts build with PORT=$WEB_PORT and DATABSE=$POSTGRES_DB!"
+    echo "Adding rules to crontab."
+
+    cron_commands=$(mktemp /tmp/arbeitszeitmessung-cron.XXX)
+
+    for file in Cron/*; do
+        cron_timing=$(grep -E '^# cron-timing:' "$file" | sed 's/^# cron-timing:[[:space:]]*//')
+
+        if [ -z "$cron_timing" ]; then
+          echo "No cron-timing found in $file, so it's not added to crontab."
+          continue
+        fi
+
+        ( crontab -l ; echo "$cron_timing $(pwd)/$file" )| awk '!x[$0]++' | crontab -
+        echo "Added entry to crontab: $cron_timing $(pwd)/$file."
+        sleep 2
+    done
+
+    if  systemctl is-active --quiet cron.service ; then
+      echo "cron.service is running. Everything should be fine now."
+    else
+      echo "cron.service is not running. Please start and enable cron.service."
+      echo "For how to start a service, see: https://wiki.ubuntuusers.de/systemd/systemctl UNITNAME will be cron.service"
+    fi
+
+else
+    echo "Please setup cron manually by executing crontab -e and adding all files from inside the Cron directory!"
+fi