Added list and add commands

data.json

@@ -0,0 +1,3 @@
+{
+	
+}

index.js

@@ -3,6 +3,7 @@ const client = new Discord.Client();
 const config = require("./config/config.json");
 const Genius = require("./genius");
 const levenshtein = require('js-levenshtein');
+const fs = require("fs");
 
 client.on('ready', () => {
 	console.log(`Logged in as ${client.user.tag}!`);
@@ -90,6 +91,49 @@ client.on('message', message => {
 			}
 		});
 	}
+
+	else if (command === "add") {
+		Genius.search_song(args.join(" "), (err, song) => {
+			if (err) {
+				message.channel.send("Je connais pas \"" + args.join(" ") + "\".");
+			} else {
+				fs.readFile('data.json', (err, data) => {
+					if (err) throw err;
+					data = JSON.parse(data);
+					if (data[message.author.id] === undefined) {
+						data[message.author.id] = [];
+					}
+					data[message.author.id].push({
+						id: song.id,
+						title: song.title_with_featured,
+						artist: song.primary_artist.name
+					});
+					fs.writeFile('data.json', JSON.stringify(data, null, 4), (err) => {
+						if (err) throw err;
+						message.reply("J'ai ajouté \"" + song.title + "\" à votre liste");
+					});
+				})
+			}
+		});
+	}
+
+	else if (command === "list") {
+		fs.readFile('data.json', (err, data) => {
+			if (err) throw err;
+			data = JSON.parse(data);
+			const songs = data[message.author.id];
+			if (songs === undefined) {
+				message.reply("Vous n'avez pas encore ajouté de musiques");
+			} else {
+				let newMessage = "```\nListe de " + message.author.username + "\n";
+				songs.forEach(song => {
+					newMessage += song.artist + " - " + song.title + "\n";
+				});
+				newMessage += "```";
+				message.channel.send(newMessage);
+			}
+		});
+	}
 });
 
 client.login(config["discord-token"]);