feat: remove from queue

+ fix typo queuecommand

src/commands/play.ts

@@ -37,6 +37,7 @@ export default class implements Command {
     this.getSongs = getSongs;
   }
 
+  // eslint-disable-next-line complexity
   public async execute(msg: Message, args: string[]): Promise<void> {
     const [targetVoiceChannel] = getMemberVoiceChannel(msg.member!) ?? getMostPopularVoiceChannel(msg.guild!);
 

src/commands/remove.ts

@@ -0,0 +1,77 @@
+import {Message, TextChannel} from 'discord.js';
+import {inject, injectable} from 'inversify';
+import {TYPES} from '../types.js';
+import PlayerManager from '../managers/player.js';
+import Command from '.';
+import LoadingMessage from '../utils/loading-message.js';
+import errorMsg from '../utils/error-msg.js';
+
+@injectable()
+export default class implements Command {
+  public name = 'remove';
+  public aliases = ['rm'];
+  public examples = [
+    ['remove 1', 'removes the first song in the queue (not the one thats playing, just skip it dummy)'],
+    ['rm 6-9', 'removes the every song in range [6-9] from the queue'],
+  ];
+
+  private readonly playerManager: PlayerManager;
+
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.playerManager = playerManager;
+  }
+
+  public async execute(msg: Message, args: string []): Promise<void> {
+    const player = this.playerManager.get(msg.guild!.id);
+
+    const res = new LoadingMessage(msg.channel as TextChannel);
+    await res.start();
+
+    if (args.length === 0) {
+      await res.stop('atleast give me a clue for which song you want to remove');
+      return;
+    }
+
+    const reg = /^(\d+)-(\d+)$|^(\d+)$/g; // Expression has 3 groups: x-y or z. x-y is range, z is a single digit.
+    const match = reg.exec(args[0]);
+
+    if (match === null) {
+      await res.stop(errorMsg('incorrect format, just an index or start-end format'));
+      return;
+    }
+
+    if (match[3] === undefined) { // 3rd group (z) doesn't exist -> a range
+      const range = [parseInt(match[1], 10), parseInt(match[2], 10)];
+
+      if (range[0] < 1) {
+        await res.stop(errorMsg('you start counting with 1'));
+        return;
+      }
+
+      if (range[0] < range[1]) {
+        player.removeFromQueue(range[0], range[0] - range[1]);
+      } else {
+        await res.stop(errorMsg('range is backwards, just like you'));
+        return;
+      }
+
+      console.log(range);
+    } else { // 3rd group exists -> just one song
+      const index = parseInt(match[3], 10);
+
+      if (index < 1) {
+        await res.stop(errorMsg('it\'s got be bigger than 0, chief'));
+        return;
+      }
+
+      if (index > player.queueSize()) {
+        await res.stop(errorMsg('queue isn\'t THAT big'));
+        return;
+      }
+
+      player.removeFromQueue(index, 1);
+    }
+
+    await res.stop('to the trash it goes :wastebasket:');
+  }
+}