CHANGE: added personaldaten db and auto logout function

Backend/models/booking.go

@@ -25,9 +25,9 @@ type Booking struct {
 
 var DB *sql.DB
 
-func (b Booking) New(card_id string, geraet_id int16, check_in_out int16) Booking {
+func (b *Booking) New(card_uid string, geraet_id int16, check_in_out int16) Booking {
 	return Booking{
-		CardUID:    card_id,
+		CardUID:    card_uid,
 		GeraetID:   geraet_id,
 		CheckInOut: check_in_out,
 	}
@@ -89,6 +89,7 @@ func (b *Booking) GetBookingsByCardID(card_id string) ([]Booking, error) {
 	if err != nil {
 		return nil, err
 	}
+	defer qStr.Close()
 	var bookings []Booking
 	rows, err := qStr.Query(card_id)
 	if err == sql.ErrNoRows {