feat: 音楽おすすめ機能の追加

src/index.ts

@@ -34,6 +34,7 @@ import SleepReportModule from './modules/sleep-report';
 import NotingModule from './modules/noting';
 import PollModule from './modules/poll';
 import ReminderModule from './modules/reminder';
+import RecommendMusicModule from './modules/recommend-music';
 
 console.log('   __    ____  _____  ___ ');
 console.log('  /__\\  (_  _)(  _  )/ __)');
@@ -88,6 +89,7 @@ promiseRetry(retry => {
 		new NotingModule(),
 		new PollModule(),
 		new ReminderModule(),
+		new RecommendMusicModule(),
 	]);
 }).catch(e => {
 	log(chalk.red('Failed to fetch the account'));

src/modules/recommend-music/index.ts

@@ -0,0 +1,30 @@
+import autobind from 'autobind-decorator';
+import Module from '@/module';
+import Message from '@/message';
+import serifs from '@/serifs';
+
+const musicUrls = [
+	'https://www.nicovideo.jp/watch/sm31677384'
+]
+
+export default class extends Module {
+	public readonly name = 'recommendMusic';
+
+	@autobind
+	public install() {
+		return {
+			mentionHook: this.mentionHook
+		};
+	}
+
+	@autobind
+	private async mentionHook(msg: Message) {
+		if (msg.includes(['音楽聞きたい', '曲聞きたい', '音楽聴きたい', '曲聴きたい'])) {
+			const music = musicUrls[Math.floor(Math.random() * musicUrls.length)];
+			msg.reply(serifs.recommendMusic.suggestMusic(music));
+			return true;
+		}	else {
+			return false;
+		}
+	}
+}

src/serifs.ts

@@ -313,6 +313,13 @@ export default {
 		suggest: emoji => `こんなのはどうですか？→${emoji}`,
 	},
 
+	/**
+	 * 音楽おすすめ
+	 */
+	recommendMusic: {
+		suggestMusic: musicUrl => `こんなのはどうでしょう？${musicUrl}`
+	},
+
 	/**
 	 * 占い
 	 */