83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
package endpoints
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import (
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"arbeitszeitmessung/helper"
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"arbeitszeitmessung/models"
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"encoding/json"
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"log"
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"net/http"
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"strconv"
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)
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// Frontend relevant backend functionality -> not used by the arduino devices
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func TimeHandler(w http.ResponseWriter, r *http.Request) {
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helper.SetCors(w)
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switch r.Method {
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case "GET":
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getBookings(w, r)
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case "UPDATE":
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updateBooking(w, r)
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case "OPTIONS":
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// just support options header for non GET Requests from SWAGGER
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w.WriteHeader(http.StatusOK)
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default:
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http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
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}
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}
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// Returns bookings from DB with similar card uid -> checks for card uid in http query params
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func getBookings(w http.ResponseWriter, r *http.Request) {
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card_uid := r.URL.Query().Get("card_uid")
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if card_uid == "" {
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http.Error(w, "Missing cardID query parameter", http.StatusBadRequest)
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return
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}
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bookings, err := (*models.Booking).GetBookingsByCardID(nil, card_uid)
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if err != nil {
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log.Println("Error getting bookings: ", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(bookings)
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}
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// Updates a booking form the given json body
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func updateBooking(w http.ResponseWriter, r *http.Request) {
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_booking_id := r.URL.Query().Get("counter_id")
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if _booking_id == "" {
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http.Error(w, "Missing bookingID query parameter", http.StatusBadRequest)
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return
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}
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booking_id, err := strconv.Atoi(_booking_id)
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if err != nil {
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http.Error(w, "Invalid bookingID query parameter", http.StatusBadRequest)
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return
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}
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_booking, err := (*models.Booking).GetBookingById(nil, booking_id)
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if err != nil {
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log.Println("Error getting booking: ", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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var booking models.Booking
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dec := json.NewDecoder(r.Body)
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dec.DisallowUnknownFields()
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err = dec.Decode(&booking)
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if err != nil {
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log.Println("Error parsing booking: ", err)
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http.Error(w, "Internal Server Error", http.StatusInternalServerError)
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return
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}
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if booking.CounterId != 0 && booking.CounterId != _booking.CounterId {
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log.Println("Booking Ids do not match")
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http.Error(w, "Booking Ids do not match", http.StatusBadRequest)
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return
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}
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_booking.Update(booking)
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_booking.Save()
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(_booking)
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}
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