Allow skipping multiple tracks

src/commands/skip.ts

@@ -11,7 +11,8 @@ export default class implements Command {
   public name = 'skip';
   public aliases = ['s'];
   public examples = [
-    ['skip', 'skips the current song']
+    ['skip', 'skips the current song'],
+    ['skip 2', 'skips the next 2 songs']
   ];
 
   public requiresVC = true;
@@ -22,14 +23,22 @@ export default class implements Command {
     this.playerManager = playerManager;
   }
 
-  public async execute(msg: Message, _: string []): Promise<void> {
+  public async execute(msg: Message, args: string []): Promise<void> {
+    let numToSkip = 1;
+
+    if (args.length === 1) {
+      if (!Number.isNaN(parseInt(args[0], 10))) {
+        numToSkip = parseInt(args[0], 10);
+      }
+    }
+
     const player = this.playerManager.get(msg.guild!.id);
 
     const loader = new LoadingMessage(msg.channel as TextChannel);
 
     try {
       await loader.start();
-      await player.forward();
+      await player.forward(numToSkip);
 
       await loader.stop('keep \'er movin\'');
     } catch (_: unknown) {

src/services/natural-language-commands.ts

@@ -63,7 +63,7 @@ export default class {
     if (isPlaying) {
       oldPosition = player.getPosition();
 
-      player.manualForward();
+      player.manualForward(1);
     }
 
     await player.seek(position);

src/services/player.ts

@@ -161,8 +161,8 @@ export default class {
     this.stopTrackingPosition();
   }
 
-  async forward(): Promise<void> {
-    this.manualForward();
+  async forward(skip: number): Promise<void> {
+    this.manualForward(skip);
 
     try {
       if (this.getCurrent() && this.status !== STATUS.PAUSED) {
@@ -177,9 +177,9 @@ export default class {
     }
   }
 
-  manualForward(): void {
-    if (this.queuePosition < this.queue.length) {
-      this.queuePosition++;
+  manualForward(skip: number): void {
+    if ((this.queuePosition + skip - 1) < this.queue.length) {
+      this.queuePosition += skip;
       this.positionInSeconds = 0;
       this.stopTrackingPosition();
     } else {
@@ -440,7 +440,7 @@ export default class {
   private async onVoiceConnectionSpeaking(isSpeaking: boolean): Promise<void> {
     // Automatically advance queued song at end
     if (!isSpeaking && this.status === STATUS.PLAYING) {
-      await this.forward();
+      await this.forward(1);
     }
   }
 }