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package endpoints
import (
"encoding/json"
"fmt"
"log"
"math/rand"
"net/http"
"os"
audio "physick.ru/culture_exam/Audio"
settings "physick.ru/culture_exam/Settings"
)
type Song struct {
Name string
Duration int
Start int
}
type SongsList struct {
Songs []Song
}
func (base Song) String() string {
var outp, jsonErr = json.Marshal(base)
if jsonErr != nil {
return fmt.Sprintf("Failed to parse settings: %s", jsonErr.Error())
}
return string(outp)
}
func (base SongsList) String() string {
var outp, jsonErr = json.Marshal(base)
if jsonErr != nil {
return fmt.Sprintf("Failed to parse settings: %s", jsonErr.Error())
}
return string(outp)
}
func getSongs(w http.ResponseWriter, r *http.Request) {
var songsList, err = getAvaliableSongs()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
log.Printf("Failed to get files: %v\n", err.Error())
return
}
w.Header().Add("Content-Type", "application/json")
fmt.Fprint(w, songsList)
}
func getRandomSong(w http.ResponseWriter, r *http.Request) {
var songsList, err = getAvaliableSongs()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
log.Printf("Failed to get files: %v\n", err.Error())
return
}
var index = rand.Intn(len(songsList.Songs))
w.Header().Add("Content-Type", "application/json")
fmt.Fprint(w, songsList.Songs[index])
}
func getAvaliableSongs() (SongsList, error) {
var files, dirErr = os.ReadDir(settings.Current.SongsLocation)
if dirErr != nil {
return SongsList{}, dirErr
}
var outp = SongsList {
Songs: make([]Song, 0, len(files)),
}
for _, v := range files {
var fullPath = fmt.Sprintf("%s/%s", settings.Current.SongsLocation, v.Name())
var duration, durErr = audio.GetSongDuration(fullPath)
if durErr != nil {
log.Printf("Failed to parse file metadata: File: %s, error: %s\n", fullPath, durErr.Error())
continue
}
var song = Song {
Name: v.Name(),
Duration: int(duration.Seconds()),
}
outp.Songs = append(outp.Songs, song)
}
return outp, nil
}
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