Refactor skip command as slash command

src/commands/skip.ts

@@ -1,10 +1,11 @@
-import {Message, TextChannel} from 'discord.js';
+import {CommandInteraction, Message, TextChannel} from 'discord.js';
 import {TYPES} from '../types.js';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player.js';
 import Command from '.';
 import LoadingMessage from '../utils/loading-message.js';
 import errorMsg from '../utils/error-msg.js';
+import {SlashCommandBuilder} from '@discordjs/builders';
 
 @injectable()
 export default class implements Command {
@@ -15,6 +16,15 @@ export default class implements Command {
     ['skip 2', 'skips the next 2 songs'],
   ];
 
+  public readonly slashCommand = new SlashCommandBuilder()
+    .setName('skip')
+  // TODO: make sure verb tense is consistent between all command descriptions
+    .setDescription('skips  the next songs')
+    .addIntegerOption(option => option
+      .setName('number')
+      .setDescription('number of songs to skip [default: 1]')
+      .setRequired(false));
+
   public requiresVC = true;
 
   private readonly playerManager: PlayerManager;
@@ -23,6 +33,23 @@ export default class implements Command {
     this.playerManager = playerManager;
   }
 
+  public async executeFromInteraction(interaction: CommandInteraction): Promise<void> {
+    const numToSkip = interaction.options.getInteger('skip') ?? 1;
+
+    if (numToSkip < 1) {
+      await interaction.reply({content: errorMsg('invalid number of songs to skip'), ephemeral: true});
+    }
+
+    const player = this.playerManager.get(interaction.guild!.id);
+
+    try {
+      await player.forward(numToSkip);
+      await interaction.reply('keep \'er movin\'');
+    } catch (_: unknown) {
+      await interaction.reply({content: errorMsg('invalid number of songs to skip'), ephemeral: true});
+    }
+  }
+
   public async execute(msg: Message, args: string []): Promise<void> {
     let numToSkip = 1;