closes #38, #39, #40

Backend/endpoints/time.go

@@ -5,6 +5,7 @@ import (
 	"arbeitszeitmessung/models"
 	"arbeitszeitmessung/templates"
 	"context"
+	"database/sql"
 	"encoding/json"
 	"log"
 	"net/http"
@@ -30,6 +31,22 @@ func TimeHandler(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
+func AbsencHandler(w http.ResponseWriter, r *http.Request) {
+	helper.RequiresLogin(Session, w, r)
+	helper.SetCors(w)
+	switch r.Method {
+	case http.MethodPost:
+		err := updateAbsence(r)
+		if err != nil {
+			http.Error(w, "Internal error", http.StatusInternalServerError)
+			return
+		}
+		http.Redirect(w, r, "/time", 301)
+	default:
+		http.Error(w, "Method not allowed!", http.StatusMethodNotAllowed)
+	}
+}
+
 func parseTimestamp(r *http.Request, getKey string, fallback string) (time.Time, error) {
 	getTimestamp := r.URL.Query().Get(getKey)
 	if getTimestamp == "" {
@@ -165,6 +182,84 @@ func updateBooking(w http.ResponseWriter, r *http.Request) {
 	getBookings(w, r)
 }
 
+func updateAbsence(r *http.Request) error {
+	r.ParseForm()
+	var loc *time.Location
+	loc, err := time.LoadLocation(helper.GetEnv("TZ", "Europe/Berlin"))
+	if err != nil {
+		log.Println("Error loading location", err)
+		loc = time.Local
+	}
+
+	dateFrom, err := time.ParseInLocation("2006-01-02", r.FormValue("date_from"), loc)
+	if err != nil {
+		log.Println("Error parsing date_from input for absence", err)
+		return err
+	}
+
+	dateTo, err := time.ParseInLocation("2006-01-02", r.FormValue("date_to"), loc)
+	if err != nil {
+		log.Println("Error parsing date_to input for absence", err)
+		return err
+	}
+
+	absenceTypeId, err := strconv.Atoi(r.FormValue("aw_type"))
+	if err != nil {
+		log.Println("Error parsing aw_type", err)
+		return err
+	}
+
+	absenceId, err := strconv.Atoi(r.FormValue("aw_id"))
+	if err != nil && r.FormValue("aw_id") == "" {
+		absenceId = 0
+	} else if err != nil {
+		log.Println("Error parsing aw_id", err)
+		return err
+	}
+
+	absenceType, err := models.GetAbsenceTypeById(int8(absenceTypeId))
+	if err != nil {
+		log.Println("No matching absence type found!")
+		return err
+	}
+
+	newAbsence := models.Absence{DateFrom: dateFrom, DateTo: dateTo, AbwesenheitTyp: absenceType}
+
+	absence, err := models.GetAbsenceById(absenceId)
+	if err == sql.ErrNoRows {
+		err = nil
+		log.Println("Absence not found creating new!")
+
+		user, err := models.GetUserFromSession(Session, r.Context())
+		if err != nil {
+			log.Println("No user found!", err)
+			return err
+		}
+		newAbsence.CardUID = user.CardUID
+		newAbsence.Insert()
+	}
+	if err != nil {
+		log.Println("Cannot get Absence for id: ", absenceId, err)
+		return err
+	}
+	if r.FormValue("action") == "delete" {
+		log.Println("Deleting Absence!", "Not implemented")
+		// TODO
+		//absence.Delete()
+		return nil
+	}
+
+	if absence.Update(newAbsence) {
+		err = absence.Save()
+		if err != nil {
+			log.Println("Error saving updated absence!", err)
+			return err
+		}
+	}
+	return nil
+
+}
+
 func createAbsence(absenceType int, user models.User, loc *time.Location, r *http.Request) {
 	absenceDate, err := time.ParseInLocation("2006-01-02", r.FormValue("date"), loc)
 	if err != nil {