added move command (#585)

Co-authored-by: Max Isom <codetheweb@users.noreply.github.com>

src/commands/move.ts

@@ -0,0 +1,47 @@
+import {CommandInteraction} from 'discord.js';
+import {inject, injectable} from 'inversify';
+import {TYPES} from '../types.js';
+import PlayerManager from '../managers/player.js';
+import Command from '.';
+import {SlashCommandBuilder} from '@discordjs/builders';
+
+@injectable()
+export default class implements Command {
+  public readonly slashCommand = new SlashCommandBuilder()
+    .setName('move')
+    .setDescription('move songs within the queue')
+    .addIntegerOption(option =>
+      option.setName('from')
+        .setDescription('position of the song to move')
+        .setRequired(true),
+    )
+    .addIntegerOption(option =>
+      option.setName('to')
+        .setDescription('position to move the song to')
+        .setRequired(true));
+    
+  private readonly playerManager: PlayerManager;
+
+  constructor(@inject(TYPES.Managers.Player) playerManager: PlayerManager) {
+    this.playerManager = playerManager;
+  }
+
+  public async execute(interaction: CommandInteraction): Promise<void> {
+    const player = this.playerManager.get(interaction.guild!.id);
+
+    const from = interaction.options.getInteger('from') ?? 1;
+    const to = interaction.options.getInteger('to') ?? 1;
+
+    if (from < 1) {
+      throw new Error('position must be at least 1');
+    }
+
+    if (to < 1) {
+      throw new Error('position must be at least 1')
+    }
+
+    player.move(from, to);
+
+    await interaction.reply('moved');
+  }
+}