120 lines
2.8 KiB
Go
120 lines
2.8 KiB
Go
package handlers
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import (
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"dwelling-radio/internal/configuration"
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"dwelling-radio/internal/radio"
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"dwelling-radio/pkg/logging"
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"dwelling-radio/pkg/utils"
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"embed"
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"encoding/json"
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"fmt"
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"html/template"
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"io/fs"
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"net/http"
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"github.com/Joker/jade"
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)
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var compiledTemplates map[string]*template.Template
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//go:embed web/assets
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var assetsDir embed.FS
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//go:embed web/templates
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var templatesDir embed.FS
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type NotFoundData struct {
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MainSite string
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}
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type IndexData struct {
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MainSite string
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Status *radio.IcecastStatus
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Songs []radio.Song
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}
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type RadioHandlers struct {
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conf *configuration.Configuration
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logErr *logging.Logger
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}
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func NewRadioHandlers(conf *configuration.Configuration, lErr *logging.Logger) *RadioHandlers {
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compileTemplates(lErr)
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return &RadioHandlers{
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conf: conf,
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logErr: lErr}
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}
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func (h *RadioHandlers) AssetsFS() http.FileSystem {
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f, _ := fs.Sub(assetsDir, "web/assets")
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return http.FS(f)
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}
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func (h *RadioHandlers) Index(w http.ResponseWriter, r *http.Request) {
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status, err := radio.IcecastGetStatus(h.conf.Icecast.URL)
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if err != nil {
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h.logErr.Println("failed to get Icecast status:", err)
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status = &radio.IcecastStatus{}
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return
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}
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if err := compiledTemplates["index"].Execute(w, &IndexData{
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MainSite: utils.MainSite(r.Host),
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Status: status,
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Songs: radio.IcecastLastPlayedSongs(h.conf.ListLastNSongs,
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h.conf.Icecast.Playlist),
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}); err != nil {
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h.logErr.Fatalln("failed to execute Index template:", err)
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http.Error(w, "cannot execute Index template", http.StatusInternalServerError)
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}
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}
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func (h *RadioHandlers) Stats(w http.ResponseWriter, _ *http.Request) {
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status, err := radio.IcecastGetStatus(h.conf.Icecast.URL)
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if err != nil {
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h.logErr.Println("cannot retrieve Icecast status:", err)
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http.Error(w, "cannot retrieve Icecast status", http.StatusInternalServerError)
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return
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}
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json.NewEncoder(w).Encode(status)
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}
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func (h *RadioHandlers) LastSong(w http.ResponseWriter, _ *http.Request) {
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songs := radio.IcecastLastPlayedSongs(1, h.conf.Icecast.Playlist)
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if len(songs) == 0 {
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w.WriteHeader(http.StatusNotFound)
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return
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}
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json.NewEncoder(w).Encode(songs[0])
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}
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func (h *RadioHandlers) Playlist(w http.ResponseWriter, _ *http.Request) {
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w.Header().Add("Content-Disposition", "attachment; filename=\"radio.arav.top.m3u\"")
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pf, _ := assetsDir.Open("radio.arav.top.m3u")
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defer pf.Close()
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fmt.Fprint(w, pf)
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}
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func compileTemplates(lErr *logging.Logger) {
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compiledTemplates = make(map[string]*template.Template)
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t, _ := fs.Sub(templatesDir, "web/templates")
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templatesFS := http.FS(t)
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indexStr, err := jade.ParseFileFromFileSystem("index.jade", templatesFS)
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if err != nil {
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lErr.Fatalln(err)
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}
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indexTpl, err := template.New("index").Parse(indexStr)
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if err != nil {
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lErr.Fatalln(err)
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}
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compiledTemplates["index"] = indexTpl
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}
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