Don't allow seeking past end of song

src/commands/fseek.ts

@@ -25,18 +25,25 @@ export default class implements Command {
   public async execute(msg: Message, args: string []): Promise<void> {
     const queue = this.queueManager.get(msg.guild!.id);
 
-    if (!queue.getCurrent()) {
+    const currentSong = queue.getCurrent();
+
+    if (!currentSong) {
       await msg.channel.send(errorMsg('nothing is playing'));
       return;
     }
 
-    if (queue.getCurrent()?.isLive) {
+    if (currentSong.isLive) {
       await msg.channel.send(errorMsg('can\'t seek in a livestream'));
       return;
     }
 
     const seekTime = parseInt(args[0], 10);
 
+    if (seekTime + this.playerManager.get(msg.guild!.id).getPosition() > currentSong.length) {
+      await msg.channel.send(errorMsg('can\'t seek past the end of the song'));
+      return;
+    }
+
     const loading = new LoadingMessage(msg.channel as TextChannel);
 
     await loading.start();

src/commands/play.ts

@@ -48,6 +48,8 @@ export default class implements Command {
 
     const queue = this.queueManager.get(msg.guild!.id);
 
+    const queueOldSize = queue.size();
+
     if (args.length === 0) {
       if (this.playerManager.get(msg.guild!.id).status === STATUS.PLAYING) {
         await res.stop(errorMsg('already playing, give me a song name'));
@@ -69,8 +71,6 @@ export default class implements Command {
 
     const newSongs: QueuedSong[] = [];
 
-    let nSongsNotFound = 0;
-
     // Test if it's a complete URL
     try {
       const url = new URL(args[0]);
@@ -94,9 +94,7 @@ export default class implements Command {
           }
         }
       } else if (url.protocol === 'spotify:' || url.host === 'open.spotify.com') {
-        const [convertedSongs, nMissing] = await this.getSongs.spotifySource(args[0]);
-
-        nSongsNotFound = nMissing;
+        const [convertedSongs] = await this.getSongs.spotifySource(args[0]);
 
         newSongs.push(...convertedSongs);
       }
@@ -119,17 +117,22 @@ export default class implements Command {
       return;
     }
 
-    newSongs.forEach(song => this.queueManager.get(msg.guild!.id).add(song));
+    newSongs.forEach(song => queue.add(song));
 
-    // TODO: better response
-    await res.stop(`song(s) queued (${nSongsNotFound} not found)`);
+    const firstSong = newSongs[0];
+
+    if (newSongs.length === 1) {
+      await res.stop(`u betcha, **${firstSong.title}** added to the queue`);
+    } else {
+      await res.stop(`u betcha, **${firstSong.title}** and ${newSongs.length - 1} other songs were added to the queue`);
+    }
 
     if (this.playerManager.get(msg.guild!.id).voiceConnection === null) {
       await this.playerManager.get(msg.guild!.id).connect(targetVoiceChannel);
     }
 
-    if (this.queueManager.get(msg.guild!.id).size() === 0) {
-      // Only auto-play on first song added
+    if (queueOldSize === 0) {
+      // Only auto-play if queue was empty before
       await this.playerManager.get(msg.guild!.id).play();
     }
   }

src/commands/queue.ts

@@ -18,8 +18,10 @@ export default class implements Command {
   }
 
   public async execute(msg: Message, _: string []): Promise<void> {
-    const queue = this.queueManager.get(msg.guild!.id).get();
+    const queue = this.queueManager.get(msg.guild!.id);
 
-    await msg.channel.send('`' + JSON.stringify(queue.slice(0, 10)) + '`');
+    await msg.channel.send('`' + JSON.stringify(queue.getCurrent()) + '`');
+
+    await msg.channel.send('`' + JSON.stringify(queue.get().slice(0, 10)) + '`');
   }
 }

src/commands/seek.ts

@@ -26,12 +26,14 @@ export default class implements Command {
   public async execute(msg: Message, args: string []): Promise<void> {
     const queue = this.queueManager.get(msg.guild!.id);
 
-    if (!queue.getCurrent()) {
+    const currentSong = queue.getCurrent();
+
+    if (!currentSong) {
       await msg.channel.send(errorMsg('nothing is playing'));
       return;
     }
 
-    if (queue.getCurrent()?.isLive) {
+    if (currentSong.isLive) {
       await msg.channel.send(errorMsg('can\'t seek in a livestream'));
       return;
     }
@@ -46,6 +48,11 @@ export default class implements Command {
       seekTime = parseInt(time, 10);
     }
 
+    if (seekTime > currentSong.length) {
+      await msg.channel.send(errorMsg('can\'t seek past the end of the song'));
+      return;
+    }
+
     const loading = new LoadingMessage(msg.channel as TextChannel);
 
     await loading.start();

src/services/player.ts

@@ -64,6 +64,10 @@ export default class {
       throw new Error('No song currently playing');
     }
 
+    if (positionSeconds > currentSong.length) {
+      throw new Error('Seek position is outside the range of the song.');
+    }
+
     if (await this.isCached(currentSong.url)) {
       this.dispatcher = this.voiceConnection.play(this.getCachedPath(currentSong.url), {seek: positionSeconds});
     } else {

src/services/queue.ts

@@ -77,7 +77,7 @@ export default class {
 
     // Don't clear curently playing song
     if (this.queue.length > 0) {
-      newQueue.push(this.queue[0]);
+      newQueue.push(this.queue[this.position]);
     }
 
     this.queue = newQueue;