Ergänzunng PhotoHandler

wdm.go

@@ -39,6 +39,7 @@ func main() {
 	r.HandleFunc("/api/v1/pho/{id:[0-9]+}", deletePhotoHandler).Methods("DELETE", "OPTIONS")
 	r.HandleFunc("/api/v1/pho", showPhotoHandler).Methods("GET", "OPTIONS")
 	r.HandleFunc("/api/v1/pho/{id:[0-9]+}", getPhotoHandler).Methods("GET", "OPTIONS")
+	r.HandleFunc("/api/v1/pho/itb/{id:[0-9]+}", getPhotoForItbHandler).Methods("GET", "OPTIONS")
 	r.HandleFunc("/api/v1/pho/{id:[0-9]+}", updatePhotoHandler).Methods("PUT", "OPTIONS")
 
 	r.HandleFunc("/api/v1/meas", createMeasureHandler).Methods("POST", "OPTIONS")
@@ -311,6 +312,28 @@ func getPhotoHandler(writer http.ResponseWriter, req *http.Request) {
 	writer.Write(b)
 }
 
+func getPhotoForItbHandler(writer http.ResponseWriter, req *http.Request) {
+	writer.Header().Set("Access-Control-Allow-Origin", "*")
+	if req.Method == http.MethodOptions {
+		return
+	}
+	phoId, _ := strconv.ParseUint(mux.Vars(req)["id"], 10, 0)
+	res, err := GetPhotoForItb(uint64(phoId))
+	if err != nil {
+		log.Fatal("Error: Photo can't be shown ", err)
+		writer.WriteHeader(http.StatusInternalServerError)
+	}
+	b, err := json.Marshal(res)
+	if err != nil {
+		log.Fatal("Error: ", err)
+	}
+	location := req.URL.String()
+	writer.Header().Set("Location:", location)
+	writer.Header().Set("Content-Type", "application/json")
+	writer.WriteHeader(http.StatusOK)
+	writer.Write(b)
+}
+
 func updatePhotoHandler(writer http.ResponseWriter, req *http.Request) {
 	writer.Header().Set("Access-Control-Allow-Origin", "*")
 	if req.Method == http.MethodOptions {

wdmdb.go

@@ -158,6 +158,28 @@ func ShowPhoto() (phoArray []Photos, err error) {
 	return phoArray, err
 }
 
+func GetPhotoForItb(itbid uint64) (phoArray []Photos, err error) {
+	conn, err := sql.Open(dbType, dbConnection)
+	if err != nil {
+		log.Println("Error while connecting DB: ", err)
+	}
+	log.Println("DB Verbindung hergestellt (Photo Itb SHOW)")
+	defer conn.Close()
+	results, err := conn.Query("SELECT * FROM photos where itembid=?", itbid)
+	if err != nil {
+		log.Fatal("Error while executing SELECt statement", err)
+	}
+	var pho Photos
+	for results.Next() {
+		err = results.Scan(&pho.Id, &pho.Pfad, &pho.ItembId, &pho.ItemextId)
+		if err != nil {
+			log.Fatal("Error: ", err)
+		}
+		phoArray = append(phoArray, pho)
+	}
+	return phoArray, err
+}
+
 func GetPhoto(id uint64) (pho Photos, err error) {
 	conn, err := sql.Open(dbType, dbConnection)
 	if err != nil {