Add sources for Xiao artwork

commands/random-img/xiao.js

@@ -2,6 +2,7 @@ const Command = require('../../framework/Command');
 const fs = require('fs');
 const path = require('path');
 const images = fs.readdirSync(path.join(__dirname, '..', '..', 'assets', 'images', 'xiao'));
+const sourceRegex = /([A-Z ]+)-?([0-9A-Z]+)?(-[0-9]+)?(\.[A-Z])?/i;
 
 module.exports = class XiaoCommand extends Command {
 	constructor(client) {
@@ -25,6 +26,18 @@ module.exports = class XiaoCommand extends Command {
 
 	run(msg) {
 		const image = images[Math.floor(Math.random() * images.length)];
-		return msg.say({ files: [path.join(__dirname, '..', '..', 'assets', 'images', 'xiao', image)] });
+		return msg.say(this.getSource(image), {
+			files: [path.join(__dirname, '..', '..', 'assets', 'images', 'xiao', image)]
+		});
+	}
+
+	getSource(img) {
+		const source = img.match(sourceRegex);
+		const site = source[1];
+		if (site === 'unknown') return 'Artist Unknown';
+		if (site === 'official') return 'Official Art';
+		if (site === 'deviant') return `Art by <https://www.deviantart.com/${source[2]}>`;
+		if (site === 'pixiv') return `Art Source: <https://www.pixiv.net/en/artworks/${source[2]}>`;
+		return `Art by ${site}`;
 	}
 };