use device name instead of ID

cmd/morningalarm.go

@@ -8,7 +8,7 @@ import (
 type args struct {
 	SpotifyClientID     string `arg:"--spotify-client-id,required,env:SPOTIFY_CLIENT_ID" placeholder:"SPOTIFY_CLIENT_ID"`
 	SpotifyClientSecret string `arg:"--spotify-client-secret,required,env:SPOTIFY_CLIENT_SECRET" placeholder:"SPOTIFY_CLIENT_SECRET"`
-	DeviceID            string `arg:"--device-id,required,env:SPOTIFY_DEVICE_ID" placeholder:"SPOTIFY_DEVICE_ID" help:"Can be found later in the API"`
+	DeviceName          string `arg:"--device-name,required,env:SPOTIFY_DEVICE_NAME" placeholder:"SPOTIFY_DEVICE_NAME" help:"Can be found later in the API"`
 	PlaylistID          string `arg:"--playlist-id,required,env:SPOTIFY_PLAYLIST_ID" help:"Just the id" placeholder:"SPOTIFY_PLAYLIST_ID"`
 	RedirectURL         string `arg:"--redirect-url,required,env:SPOTIFY_REDIRECT_URL" help:"Must be the same as in the Spotify developer dashboard." placeholder:"SPOTIFY_REDIRECT_URL"`
 	ListenAddr          string `arg:"--listen-addr,env:LISTEN_ADDR" help:"Address to listen on" placeholder:"LISTEN_ADDR" default:":3000"`
@@ -23,7 +23,7 @@ func main() {
 	morningalarm.New(morningalarm.MorningAlarmConfig{
 		SpotifyClientID:     args.SpotifyClientID,
 		SpotifyClientSecret: args.SpotifyClientSecret,
-		DeviceID:            args.DeviceID,
+		DeviceName:          args.DeviceName,
 		PlaylistID:          args.PlaylistID,
 		RedirectURL:         args.RedirectURL,
 		ListenAddr:          args.ListenAddr,

internal/morningalarm.go

@@ -15,7 +15,7 @@ type alarm struct {
 type MorningAlarmConfig struct {
 	SpotifyClientID     string `json:"spotifyClientId"`
 	SpotifyClientSecret string `json:"spotifyClientSecret"`
-	DeviceID            string `json:"deviceId"`
+	DeviceName          string `json:"deviceName"`
 	PlaylistID          string `json:"wakeupContext"`
 	RedirectURL         string `json:"redirectUrl"`
 	ListenAddr          string `json:"listenAddr"`

internal/spotify.go

@@ -114,7 +114,14 @@ func (ma *MorningAlarm) setupSpotify() error {
 // Can still return an error even if the playback was started successfully.
 func (ma *MorningAlarm) playWakeUpMusic() (bool, error) {
 	playContextURI := spotify.URI("spotify:playlist:" + ma.config.PlaylistID)
-	deviceID := spotify.ID(ma.config.DeviceID)
+
+	devID, err := ma.getDeviceIDFromName(ma.config.DeviceName)
+
+	if err != nil {
+		return false, err
+	}
+
+	deviceID := spotify.ID(devID)
 
 	playlist, err := ma.sp.GetPlaylistItems(context.Background(), spotify.ID(ma.config.PlaylistID))
 
@@ -160,3 +167,19 @@ func (ma *MorningAlarm) getAvailableDevices() ([]Device, error) {
 
 	return availableDevices, nil
 }
+
+func (ma *MorningAlarm) getDeviceIDFromName(name string) (string, error) {
+	dev, err := ma.getAvailableDevices()
+
+	if err != nil {
+		return "", err
+	}
+
+	for _, device := range dev {
+		if device.Name == name {
+			return device.ID, nil
+		}
+	}
+
+	return "", fmt.Errorf("device with name %s not found", name)
+}

internal/webserver.go

@@ -106,7 +106,7 @@ func (ma *MorningAlarm) setupWebserver() {
 			"timezoneOffsetInH": offset / 60 / 60,
 			"alarms":            len(ma.cr.Entries()),
 			"wakeupPlaylist":    ma.config.PlaylistID,
-			"deviceId":          ma.config.DeviceID,
+			"deviceName":        ma.config.DeviceName,
 		}
 
 		if nextIn != nil {