// Create a new song.
func PostSongs(w http.ResponseWriter, r *http.Request) {
// retrieve route parameters
env := GetRequestEnv(r)
// decode the song body
var song models.Song
if err := json.NewDecoder(r.Body).Decode(&song); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// create the song
song.ID = 0
if err := env.DB.Create(&song).Error; err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// encode the response
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusCreated)
if err := json.NewEncoder(w).Encode(song); err != nil {
log.Fatal(err)
}
}
// Update a song.
func PutSong(w http.ResponseWriter, r *http.Request) {
// retrieve route parameters
env := GetRequestEnv(r)
vars := mux.Vars(r)
id, err := strconv.Atoi(vars["id"])
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// retrieve the song
var song models.Song
if err := env.DB.Find(&song, id).Error; err != nil {
http.Error(w, err.Error(), http.StatusNotFound)
return
}
// decode the song body
if err := json.NewDecoder(r.Body).Decode(&song); err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
// save the updated song using the original primary key
song.ID = id
if err := env.DB.Save(&song).Error; err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// encode the response
w.Header().Set("Content-Type", "application/json; charset=UTF-8")
w.WriteHeader(http.StatusOK)
if err := json.NewEncoder(w).Encode(song); err != nil {
log.Fatal(err)
}
}