Lyrics Command

commands/search/lyrics.js

@@ -0,0 +1,60 @@
+const Command = require('../../structures/Command');
+const request = require('node-superfetch');
+const { shorten } = require('../../util/Util');
+// eslint-disable-next-line max-len
+const top = '<!-- Usage of azlyrics.com content by any third-party lyrics provider is prohibited by our licensing agreement. Sorry about that. -->';
+const bottom = '<!-- MxM banner -->';
+const lyricRegex = new RegExp(`${top}(.+)${bottom}`);
+
+module.exports = class LyricsCommand extends Command {
+	constructor(client) {
+		super(client, {
+			name: 'lyrics',
+			aliases: ['az-lyrics'],
+			group: 'search',
+			memberName: 'lyrics',
+			description: 'Responds with lyrics to a song.',
+			credit: [
+				{
+					name: 'AZLyrics',
+					url: 'https://www.azlyrics.com/',
+					reason: 'Lyrics Data'
+				}
+			],
+			args: [
+				{
+					key: 'artist',
+					prompt: 'What artist would you like to get the lyrics of?',
+					type: 'string',
+					parse: artist => artist.replace(/[^A-Za-z0-9]+/, '')
+				},
+				{
+					key: 'song',
+					prompt: 'What song would you like to get the lyrics of?',
+					type: 'string',
+					parse: song => song.replace(/[^A-Za-z0-9]+/, '')
+				}
+			]
+		});
+	}
+
+	async run(msg, { artist, song }) {
+		try {
+			const lyrics = await this.getLyrics(artist, song);
+			const url = `https://www.azlyrics.com/lyrics/${artist}/${song}.html`;
+			return msg.say(`${shorten(lyrics, 1750)}\n\n**Read the Rest:** ${url}`);
+		} catch (err) {
+			if (err.code === 404) return msg.say('Could not find any results.');
+			return msg.reply(`Oh no, an error occurred: \`${err.message}\`. Try again later!`);
+		}
+	}
+
+	async getLyrics(artist, song) {
+		const { text } = await request.get(`https://www.azlyrics.com/lyrics/${artist}/${song}.html`);
+		const lyrics = text.match(lyricRegex)[1];
+		return lyrics
+			.replace(/<br>/g, '\n')
+			.replace(/<\/?div>/g, '')
+			.trim();
+	}
+};