Add skip/unskip

src/commands/skip.ts

@@ -0,0 +1,33 @@
+import {Message} from 'discord.js';
+import {TYPES} from '../types';
+import {inject, injectable} from 'inversify';
+import PlayerManager from '../managers/player';
+import QueueManager from '../managers/queue';
+import Command from '.';
+
+@injectable()
+export default class implements Command {
+  public name = 'skip';
+  public description = 'skips current song';
+  private readonly queueManager: QueueManager;
+  private readonly playerManager: PlayerManager;
+
+  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.queueManager = queueManager;
+    this.playerManager = playerManager;
+  }
+
+  public async execute(msg: Message, _: string []): Promise<void> {
+    const queue = this.queueManager.get(msg.guild!.id);
+
+    try {
+      queue.forward();
+
+      await this.playerManager.get(msg.guild!.id).play();
+
+      await msg.channel.send('keepin\' \'er movin\'');
+    } catch (_) {
+      await msg.channel.send('no song to skip to');
+    }
+  }
+}

src/commands/unskip.ts

@@ -0,0 +1,33 @@
+import {Message} from 'discord.js';
+import {TYPES} from '../types';
+import {inject, injectable} from 'inversify';
+import PlayerManager from '../managers/player';
+import QueueManager from '../managers/queue';
+import Command from '.';
+
+@injectable()
+export default class implements Command {
+  public name = 'unskip';
+  public description = 'go back in the queue';
+  private readonly queueManager: QueueManager;
+  private readonly playerManager: PlayerManager;
+
+  constructor(@inject(TYPES.Managers.Queue) queueManager: QueueManager, @inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.queueManager = queueManager;
+    this.playerManager = playerManager;
+  }
+
+  public async execute(msg: Message, _: string []): Promise<void> {
+    const queue = this.queueManager.get(msg.guild!.id);
+
+    try {
+      queue.back();
+
+      await this.playerManager.get(msg.guild!.id).play();
+
+      await msg.channel.send('back \'er up\'');
+    } catch (_) {
+      await msg.channel.send('no song to go back to');
+    }
+  }
+}

src/inversify.config.ts

@@ -28,6 +28,8 @@ import Play from './commands/play';
 import QueueCommad from './commands/queue';
 import Seek from './commands/seek';
 import Shuffle from './commands/shuffle';
+import Skip from './commands/skip';
+import Unskip from './commands/unskip';
 
 let container = new Container();
 
@@ -47,6 +49,8 @@ container.bind<Command>(TYPES.Command).to(Play).inSingletonScope();
 container.bind<Command>(TYPES.Command).to(QueueCommad).inSingletonScope();
 container.bind<Command>(TYPES.Command).to(Seek).inSingletonScope();
 container.bind<Command>(TYPES.Command).to(Shuffle).inSingletonScope();
+container.bind<Command>(TYPES.Command).to(Skip).inSingletonScope();
+container.bind<Command>(TYPES.Command).to(Unskip).inSingletonScope();
 
 // Config values
 container.bind<string>(TYPES.Config.DISCORD_TOKEN).toConstantValue(DISCORD_TOKEN);