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dwelling-radio/internal/http/handlers.go

108 lines
2.9 KiB
Go

package http
import (
"dwelling-radio/internal/radio"
"dwelling-radio/pkg/utils"
"dwelling-radio/web"
"encoding/json"
"log"
"net/http"
"os"
"time"
)
const FormatISO8601 = "2006-01-02T15:04:05-0700"
type Handlers struct {
icecastUrl string
icecastPlaylistPath string
songListLen int
filelistPath string
}
func NewHandlers(icecastUrl, icecastPlaylistPath, filelistPath string, songListLen int) *Handlers {
return &Handlers{
icecastUrl: icecastUrl,
icecastPlaylistPath: icecastPlaylistPath,
songListLen: songListLen,
filelistPath: filelistPath}
}
func (h *Handlers) Index(w http.ResponseWriter, r *http.Request) {
status, err := radio.IcecastGetStatus(h.icecastUrl)
if err != nil {
log.Println("failed to get Icecast status:", err)
}
songs, err := radio.IcecastLastSongs(h.icecastPlaylistPath)
if err != nil {
log.Println("cannot retrieve last songs:", err)
} else {
for i := 0; i < len(songs); i++ {
if tim, err := time.Parse(radio.SongTimeFormat, songs[i].Time); err == nil {
songs[i].Time = utils.ToClientTimezone(tim, r).Format("15:04")
}
}
}
web.Index(utils.MainSite(r.Host), h.songListLen, status, &songs, r, w)
}
func (h *Handlers) Status(w http.ResponseWriter, r *http.Request) {
status, err := radio.IcecastGetStatus(h.icecastUrl)
if err != nil {
log.Println("cannot retrieve Icecast status:", err)
http.Error(w, "cannot retrieve Icecast status", http.StatusInternalServerError)
return
}
w.Header().Add("Content-Type", "application/json")
json.NewEncoder(w).Encode(status)
}
func (h *Handlers) LastSong(w http.ResponseWriter, r *http.Request) {
song, err := radio.IcecastLastSong(h.icecastPlaylistPath)
if err != nil {
log.Println("cannot retrieve last songs:", err)
}
if song == nil {
w.WriteHeader(http.StatusNotFound)
return
}
if tim, err := time.Parse(radio.SongTimeFormat, song.Time); err == nil {
song.Time = utils.ToClientTimezone(tim, r).Format("15:04")
}
w.Header().Add("Content-Type", "application/json")
json.NewEncoder(w).Encode(song)
}
func (h *Handlers) Playlist(w http.ResponseWriter, _ *http.Request) {
w.Header().Add("Content-Disposition", "attachment; filename=\"radio.arav.su.m3u\"")
fc, _ := web.AssetsGetFile("playlist.m3u")
w.Write(fc)
}
func (h *Handlers) Filelist(w http.ResponseWriter, _ *http.Request) {
w.Header().Add("Content-Type", "text/html")
data, _ := os.ReadFile(h.filelistPath)
w.Write(data)
}
func RobotsTxt(w http.ResponseWriter, _ *http.Request) {
w.Header().Add("Content-Disposition", "attachment; filename=\"robots.txt\"")
w.Write([]byte("User-agent: *\nDisallow: /assets/\nDisallow: /live/"))
}
func Favicon(w http.ResponseWriter, r *http.Request) {
data, _ := web.AssetsGetFile("img/favicon.svg")
w.Write(data)
}
func SitemapXML(w http.ResponseWriter, r *http.Request) {
data, _ := web.AssetsGetFile("sitemap.xml")
w.Write(data)
}