CHANGE: finalized user auth + added booking edit view

Backend/models/booking.go

@@ -132,6 +132,9 @@ func (b *Booking) GetBookingsGrouped(card_uid string, tsFrom time.Time, tsTo tim
 	var result []WorkDay
 	for key, bookings := range grouped {
 		day, _ := time.Parse("2006-01-02", key)
+		sort.Slice(bookings, func(i, j int) bool {
+			return bookings[i].Timestamp.Before(bookings[j].Timestamp)
+		})
 		result = append(result, WorkDay{Day: day, Bookings: bookings})
 	}
 
@@ -157,11 +160,11 @@ func (b Booking) Save() {
 
 func (b *Booking) GetBookingType() string {
 	switch b.CheckInOut{
-		case (1):
+		case 1,3: //manuelle Änderung
 		return "kommen"
-		case (2):
+		case 2, 4: //manuelle Änderung
 		return "gehen"
-		case(255):
+		case 255:
 		return "abgemeldet"
 		default:
 		return "Buchungs Typ unbekannt"
@@ -203,3 +206,22 @@ func checkLastBooking(b Booking) bool {
 	}
 	return true
 }
+
+func (b *Booking) UpdateTime(newTime time.Time){
+	hour, minute, _ := newTime.Clock()
+	if(hour == b.Timestamp.Local().Hour() && minute == b.Timestamp.Local().Minute()){
+		return
+	}
+	// TODO: add check for time overlap
+
+	var newBooking Booking
+	newBooking.Timestamp =  time.Date(b.Timestamp.Year(), b.Timestamp.Month(), b.Timestamp.Day(), hour, minute, 0, 0, time.Local).UTC()
+	if(b.CheckInOut < 3){
+		newBooking.CheckInOut = b.CheckInOut + 2
+	}
+	if(b.CheckInOut == 255){
+		newBooking.CheckInOut = 4
+	}
+	b.Update(newBooking)
+	b.Save()
+}