Use imgur albums for random image commands

util/Util.js

@@ -1,4 +1,6 @@
+const snekfetch = require('snekfetch');
 const crypto = require('crypto');
+const { IMGUR_KEY } = process.env;
 const yes = ['yes', 'y', 'ye', 'yeah', 'yup', 'yea'];
 const no = ['no', 'n', 'nah', 'nope'];
 
@@ -60,6 +62,14 @@ class Util {
 		return crypto.createHash(algorithm).update(text).digest('hex');
 	}
 
+	static async randomFromImgurAlbum(album) {
+		const { body } = await snekfetch
+			.get(`https://api.imgur.com/3/album/${album}`)
+			.set({ Authorization: `Client-ID ${IMGUR_KEY}` });
+		if (!body.data.images.length) return null;
+		return body.data.images[Math.floor(Math.random() * body.data.images.length)].link;
+	}
+
 	static cleanXML(text) {
 		return text
 			.replace(/<br \/>/g, '')