Migrate to slash commands (#431)

Co-authored-by: Federico fuji97 Rapetti <fuji1097@gmail.com>

src/services/add-query-to-queue.ts

@@ -0,0 +1,155 @@
+import {CommandInteraction, GuildMember} from 'discord.js';
+import {inject, injectable} from 'inversify';
+import {Except} from 'type-fest';
+import shuffle from 'array-shuffle';
+import {TYPES} from '../types.js';
+import GetSongs from '../services/get-songs.js';
+import {QueuedSong} from './player.js';
+import PlayerManager from '../managers/player.js';
+import {prisma} from '../utils/db.js';
+import {buildPlayingMessageEmbed} from '../utils/build-embed.js';
+import {getMemberVoiceChannel, getMostPopularVoiceChannel} from '../utils/channels.js';
+
+@injectable()
+export default class AddQueryToQueue {
+  constructor(@inject(TYPES.Services.GetSongs) private readonly getSongs: GetSongs, @inject(TYPES.Managers.Player) private readonly playerManager: PlayerManager) {}
+
+  public async addToQueue({
+    query,
+    addToFrontOfQueue,
+    shuffleAdditions,
+    interaction,
+  }: {
+    query: string;
+    addToFrontOfQueue: boolean;
+    shuffleAdditions: boolean;
+    interaction: CommandInteraction;
+  }): Promise<void> {
+    const guildId = interaction.guild!.id;
+    const player = this.playerManager.get(guildId);
+    const wasPlayingSong = player.getCurrent() !== null;
+
+    const [targetVoiceChannel] = getMemberVoiceChannel(interaction.member as GuildMember) ?? getMostPopularVoiceChannel(interaction.guild!);
+
+    const settings = await prisma.setting.findUnique({where: {guildId}});
+
+    if (!settings) {
+      throw new Error('Could not find settings for guild');
+    }
+
+    const {playlistLimit} = settings;
+
+    await interaction.deferReply();
+
+    let newSongs: Array<Except<QueuedSong, 'addedInChannelId' | 'requestedBy'>> = [];
+    let extraMsg = '';
+
+    // Test if it's a complete URL
+    try {
+      const url = new URL(query);
+
+      const YOUTUBE_HOSTS = [
+        'www.youtube.com',
+        'youtu.be',
+        'youtube.com',
+        'music.youtube.com',
+        'www.music.youtube.com',
+      ];
+
+      if (YOUTUBE_HOSTS.includes(url.host)) {
+        // YouTube source
+        if (url.searchParams.get('list')) {
+          // YouTube playlist
+          newSongs.push(...await this.getSongs.youtubePlaylist(url.searchParams.get('list')!));
+        } else {
+          const song = await this.getSongs.youtubeVideo(url.href);
+
+          if (song) {
+            newSongs.push(song);
+          } else {
+            throw new Error('that doesn\'t exist');
+          }
+        }
+      } else if (url.protocol === 'spotify:' || url.host === 'open.spotify.com') {
+        const [convertedSongs, nSongsNotFound, totalSongs] = await this.getSongs.spotifySource(query, playlistLimit);
+
+        if (totalSongs > playlistLimit) {
+          extraMsg = `a random sample of ${playlistLimit} songs was taken`;
+        }
+
+        if (totalSongs > playlistLimit && nSongsNotFound !== 0) {
+          extraMsg += ' and ';
+        }
+
+        if (nSongsNotFound !== 0) {
+          if (nSongsNotFound === 1) {
+            extraMsg += '1 song was not found';
+          } else {
+            extraMsg += `${nSongsNotFound.toString()} songs were not found`;
+          }
+        }
+
+        newSongs.push(...convertedSongs);
+      }
+    } catch (_: unknown) {
+      // Not a URL, must search YouTube
+      const song = await this.getSongs.youtubeVideoSearch(query);
+
+      if (song) {
+        newSongs.push(song);
+      } else {
+        throw new Error('that doesn\'t exist');
+      }
+    }
+
+    if (newSongs.length === 0) {
+      throw new Error('no songs found');
+    }
+
+    if (shuffleAdditions) {
+      newSongs = shuffle(newSongs);
+    }
+
+    newSongs.forEach(song => {
+      player.add({...song, addedInChannelId: interaction.channel!.id, requestedBy: interaction.member!.user.id}, {immediate: addToFrontOfQueue ?? false});
+    });
+
+    const firstSong = newSongs[0];
+
+    let statusMsg = '';
+
+    if (player.voiceConnection === null) {
+      await player.connect(targetVoiceChannel);
+
+      // Resume / start playback
+      await player.play();
+
+      if (wasPlayingSong) {
+        statusMsg = 'resuming playback';
+      }
+
+      await interaction.editReply({
+        embeds: [buildPlayingMessageEmbed(player)],
+      });
+    }
+
+    // Build response message
+    if (statusMsg !== '') {
+      if (extraMsg === '') {
+        extraMsg = statusMsg;
+      } else {
+        extraMsg = `${statusMsg}, ${extraMsg}`;
+      }
+    }
+
+    if (extraMsg !== '') {
+      extraMsg = ` (${extraMsg})`;
+    }
+
+    if (newSongs.length === 1) {
+      await interaction.editReply(`u betcha, **${firstSong.title}** added to the${addToFrontOfQueue ? ' front of the' : ''} queue${extraMsg}`);
+    } else {
+      await interaction.editReply(`u betcha, **${firstSong.title}** and ${newSongs.length - 1} other songs were added to the queue${extraMsg}`);
+    }
+  }
+}