CHANGE: added Frontend + auth

Backend/models/booking.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"log"
 	"net/url"
+	"sort"
 	"strconv"
 	"time"
 )
@@ -84,14 +85,17 @@ func (b *Booking) GetBookingById(booking_id int) (Booking, error) {
 	return booking, nil
 }
 
-func (b *Booking) GetBookingsByCardID(card_id string) ([]Booking, error) {
-	qStr, err := DB.Prepare((`SELECT counter_id, timestamp, card_uid, geraet_id, check_in_out FROM anwesenheit WHERE card_uid = $1`))
+// Gets all booking based on a card uid
+//
+// optional filter parameter
+func (b *Booking) GetBookingsByCardID(card_uid string, tsFrom time.Time, tsTo time.Time) ([]Booking, error) {
+	qStr, err := DB.Prepare((`SELECT counter_id, timestamp, card_uid, geraet_id, check_in_out FROM anwesenheit WHERE card_uid = $1 AND timestamp BETWEEN $2 AND $3 ORDER BY timestamp`))
 	if err != nil {
 		return nil, err
 	}
 	defer qStr.Close()
 	var bookings []Booking
-	rows, err := qStr.Query(card_id)
+	rows, err := qStr.Query(card_uid, tsFrom, tsTo)
 	if err == sql.ErrNoRows {
 		return bookings, err
 	}
@@ -112,19 +116,58 @@ func (b *Booking) GetBookingsByCardID(card_id string) ([]Booking, error) {
 	return bookings, nil
 }
 
+func (b *Booking) GetBookingsGrouped(card_uid string, tsFrom time.Time, tsTo time.Time) ([]WorkDay, error){
+	var grouped = make(map[string][]Booking)
+	bookings, err := b.GetBookingsByCardID(card_uid, tsFrom, tsTo)
+	if (err != nil){
+		log.Println("Failed to get bookings",err)
+		return []WorkDay{}, nil
+	}
+	for _, booking := range bookings {
+		day := booking.Timestamp.Truncate(24 * time.Hour)
+		key := day.Format("2006-01-02")
+		grouped[key] = append(grouped[key], booking)
+	}
+
+	var result []WorkDay
+	for key, bookings := range grouped {
+		day, _ := time.Parse("2006-01-02", key)
+		result = append(result, WorkDay{Day: day, Bookings: bookings})
+	}
+
+	sort.Slice(result, func(i, j int) bool {
+		return result[i].Day.After(result[j].Day)
+	})
+
+	return result, nil
+}
+
 func (b Booking) Save() {
-	qStr, err := DB.Prepare((`UPDATE "anwesenheit" SET "id" = $1, "card_uid" = $2, "reader_id" = $3, "booking_type" = $4 WHERE "id" = $1;`))
+	qStr, err := DB.Prepare((`UPDATE "anwesenheit" SET "card_uid" = $2, "geraet_id" = $3, "check_in_out" = $4, "timestamp" = $5 WHERE "counter_id" = $1;`))
 	if err != nil {
 		log.Fatalf("Error preparing query: %v", err)
 		return
 	}
-	_, err = qStr.Query(b.CounterId, b.CardUID, b.GeraetID, b.CheckInOut)
+	_, err = qStr.Query(b.CounterId, b.CardUID, b.GeraetID, b.CheckInOut, b.Timestamp)
 	if err != nil {
 		log.Fatalf("Error executing query: %v", err)
 		return
 	}
 }
 
+func (b *Booking) GetBookingType() string {
+	switch b.CheckInOut{
+		case (1):
+		return "kommen"
+		case (2):
+		return "gehen"
+		case(255):
+		return "abgemeldet"
+		default:
+		return "Buchungs Typ unbekannt"
+	}
+}
+
 func (b *Booking) Update(nb Booking) {
 	if b.CheckInOut != nb.CheckInOut && nb.CheckInOut != 0 {
 		b.CheckInOut = nb.CheckInOut
@@ -135,6 +178,9 @@ func (b *Booking) Update(nb Booking) {
 	if b.GeraetID != nb.GeraetID && nb.GeraetID != 0 {
 		b.GeraetID = nb.GeraetID
 	}
+	if(b.Timestamp != nb.Timestamp){
+		b.Timestamp = nb.Timestamp
+	}
 }
 
 func checkLastBooking(b Booking) bool {