package handlers import ( "dwelling-radio/internal/configuration" "dwelling-radio/internal/radio" "dwelling-radio/pkg/logging" "dwelling-radio/pkg/utils" "embed" "encoding/json" "fmt" "html/template" "io/fs" "net/http" "github.com/Joker/jade" ) var compiledTemplates map[string]*template.Template //go:embed web/assets var assetsDir embed.FS //go:embed web/templates var templatesDir embed.FS type NotFoundData struct { MainSite string } type IndexData struct { MainSite string Status *radio.IcecastStatus Songs []radio.Song } type RadioHandlers struct { conf *configuration.Configuration logErr *logging.Logger } func NewRadioHandlers(conf *configuration.Configuration, lErr *logging.Logger) *RadioHandlers { compileTemplates(lErr) return &RadioHandlers{ conf: conf, logErr: lErr} } func (h *RadioHandlers) AssetsFS() http.FileSystem { f, _ := fs.Sub(assetsDir, "web/assets") return http.FS(f) } func (h *RadioHandlers) Index(w http.ResponseWriter, r *http.Request) { rad, err := radio.IcecastGetStatus(h.conf.Icecast.URL) if err != nil { h.logErr.Println("failed to get Icecast status:", err) rad = &radio.IcecastStatus{} } if err := compiledTemplates["index"].Execute(w, &IndexData{ MainSite: utils.MainSite(r.Host), Status: rad, Songs: radio.IcecastLastPlayedSongs(h.conf.ListLastNSongs, h.conf.Icecast.Playlist), }); err != nil { w.WriteHeader(http.StatusInternalServerError) h.logErr.Fatalln("failed to execute Index template:", err) } } func (h *RadioHandlers) Stats(w http.ResponseWriter, r *http.Request) { st, err := radio.IcecastGetStatus(h.conf.Icecast.URL) if err != nil { st = &radio.IcecastStatus{} } json.NewEncoder(w).Encode(st) } func (h *RadioHandlers) LastSong(w http.ResponseWriter, r *http.Request) { songs := radio.IcecastLastPlayedSongs(1, h.conf.Icecast.Playlist) json.NewEncoder(w).Encode(songs[0]) } func (h *RadioHandlers) Playlist(w http.ResponseWriter, r *http.Request) { w.Header().Add("Content-Disposition", "attachment; filename=\"radio.arav.top.m3u\"") pf, _ := assetsDir.Open("radio.arav.top.m3u") defer pf.Close() fmt.Fprint(w, pf) } func compileTemplates(lErr *logging.Logger) { compiledTemplates = make(map[string]*template.Template) t, _ := fs.Sub(templatesDir, "web/templates") templatesFS := http.FS(t) indexStr, err := jade.ParseFileFromFileSystem("index.jade", templatesFS) if err != nil { lErr.Fatalln(err) } indexTpl, err := template.New("index").Parse(indexStr) if err != nil { lErr.Fatalln(err) } compiledTemplates["index"] = indexTpl }