More rich metadata with NowPlaying

src/MediaPlayer.ts

@@ -14,6 +14,15 @@ interface LinkMetadata {
     siteName?: string;
 }
 
+interface PlaylistItem {
+    id: number;
+    filename: string;
+    title?: string;
+    playing?: boolean;
+    current?: boolean;
+    metadata?: LinkMetadata;
+}
+
 export class MediaPlayer { 
     private playerProcess: ChildProcess;
     private socket: Socket;
@@ -46,23 +55,43 @@ export class MediaPlayer {
         });
     }
 
-    public async getPlaylist(): Promise<any> {
+    public async getPlaylist(): Promise<PlaylistItem[]> {
         return this.writeCommand("get_property", ["playlist"])
             .then((response) => {
                 // Enhance playlist items with metadata
-                const playlist = response.data;
-                return playlist.map((item: any) => ({
+                const playlist = response.data as PlaylistItem[];
+                return playlist.map((item: PlaylistItem) => ({
                     ...item,
                     metadata: this.metadata.get(item.filename) || {}
                 }));
             });
     }
 
-    public async getNowPlaying(): Promise<string> {
-        return this.writeCommand("get_property", ["media-title"])
-            .then((response) => {
-                return response.data;
-            });
+    public async getNowPlaying(): Promise<PlaylistItem> {
+        const playlist = await this.getPlaylist();
+        const currentlyPlayingSong = playlist.find((item: PlaylistItem) => item.current);
+        const fetchMediaTitle = async (): Promise<string> => { 
+            return (await this.writeCommand("get_property", ["media-title"])).data;
+        };
+
+        if (currentlyPlayingSong !== undefined) {
+            // Use media title if we don't have a title
+            if (currentlyPlayingSong.title === undefined && currentlyPlayingSong.metadata?.title === undefined) {
+                return {
+                    ...currentlyPlayingSong,
+                    title: await fetchMediaTitle()
+                };
+            }
+
+            return currentlyPlayingSong;
+        } 
+
+        const mediaTitle = await fetchMediaTitle();
+        return {
+            id: 0,
+            filename: mediaTitle,
+            title: mediaTitle
+        };
     }
 
     public async getCurrentFile(): Promise<string> {

src/server.ts

@@ -63,7 +63,7 @@ apiRouter.post("/previous", withErrorHandling(async (req, res) => {
 }));
 
 apiRouter.get("/nowplaying", withErrorHandling(async (req, res) => {
-    const nowPlaying = await mediaPlayer.getNowPlaying();
+    const playingItem = await mediaPlayer.getNowPlaying();
     const currentFile = await mediaPlayer.getCurrentFile();
     const pauseState = await mediaPlayer.getPauseState();
     const volume = await mediaPlayer.getVolume();
@@ -71,7 +71,7 @@ apiRouter.get("/nowplaying", withErrorHandling(async (req, res) => {
 
     res.send(JSON.stringify({ 
         success: true, 
-        nowPlaying: nowPlaying, 
+        playingItem: playingItem, 
         isPaused: pauseState,
         volume: volume,
         isIdle: idle,