✨ Add back command

commands/Music/back.js

@@ -0,0 +1,106 @@
+const Command = require("../../base/Command.js"),
+	Discord = require("discord.js");
+
+class Back extends Command {
+
+	constructor (client) {
+		super(client, {
+			name: "back",
+			dirname: __dirname,
+			enabled: true,
+			guildOnly: true,
+			aliases: [ "previous" ],
+			memberPermissions: [],
+			botPermissions: [ "SEND_MESSAGES", "EMBED_LINKS" ],
+			nsfw: false,
+			ownerOnly: false,
+			cooldown: 5000
+		});
+	}
+
+	async run (message, args, data) {
+
+		const queue = this.client.player.getQueue(message);
+
+		const voice = message.member.voice.channel;
+		if (!voice){
+			return message.error("music/play:NO_VOICE_CHANNEL");
+		}
+
+		if(!queue){
+			return message.error("music/play:NOT_PLAYING");
+		}
+
+		if(!queue.previousTracks[0]){
+			return message.error("music/back:NO_PREV_SONG");
+		}
+
+		const members = voice.members.filter((m) => !m.user.bot);
+
+		const embed = new Discord.MessageEmbed()
+			.setAuthor(message.translate("music/back:DESCRIPTION"))
+			.setThumbnail(queue.tracks[0].thumbnail)
+			.setFooter(data.config.embed.footer)
+			.setColor(data.config.embed.color);
+
+		const m = await message.channel.send(embed);
+
+		if(members.size > 1){
+
+			m.react("👍");
+
+			const mustVote = Math.floor(members.size/2+1);
+
+			embed.setDescription(message.translate("music/back:VOTE_CONTENT", {
+				songName: queue.tracks[0].name,
+				voteCount: 0,
+				requiredCount: mustVote
+			}));
+			m.edit(embed);
+
+			const filter = (reaction, user) => {
+				const member = message.guild.members.cache.get(user.id);
+				const voiceChannel = member.voice.channel;
+				if(voiceChannel){
+					return voiceChannel.id === voice.id;
+				}
+			};
+
+			const collector = await m.createReactionCollector(filter, {
+				time: 25000
+			});
+
+			collector.on("collect", (reaction) => {
+				const haveVoted = reaction.count-1;
+				if(haveVoted >= mustVote){
+					this.client.player.back(message);
+					embed.setDescription(message.translate("music/back:SUCCESS"));
+					m.edit(embed);
+					collector.stop(true);
+				} else {
+					embed.setDescription(message.translate("music/back:VOTE_CONTENT", {
+						songName: queue.tracks[0].title,
+						voteCount: haveVoted,
+						requiredCount: mustVote
+					}));
+					m.edit(embed);
+				}
+			});
+
+			collector.on("end", (collected, isDone) => {
+				if(!isDone){
+					return message.error("misc:TIMES_UP");
+				}
+			});
+
+		} else {
+			this.client.player.back(message);
+			embed.setDescription(message.translate("music/back:SUCCESS"));
+			m.edit(embed);
+		}
+
+	}
+
+}
+
+module.exports = Back;

docs/commands.md

@@ -119,6 +119,22 @@ Here's the list of Atlanta commands. This one contains more than **110 commands*
 | **unmute**          | Unmute the mentioned member!                                                                              | unmute [@member]                                                   | 3 seconds |
 | **warn**            | Warn a member in private messages                                                                         | warn [@member] [reason]                                            | 3 seconds |
 
+### Music (11 commands)
+
+| Name        | Description                                       | Usage              | Cooldown  |
+| ----------- | ------------------------------------------------- | ------------------ | --------- |
+| **back**    | DESCRIPTION                                       | USAGE              | 5 seconds |
+| **filter**  | Enable or disable a filter!                       | filter [filter]    | 5 seconds |
+| **filters** | Send the list of all the filters and their status | filters            | 5 seconds |
+| **lyrics**  | Shows the song lyrics                             | lyrics [song-name] | 5 seconds |
+| **np**      | Shows information about the current song!         | np                 | 5 seconds |
+| **pause**   | Pause the current song!                           | pause              | 5 seconds |
+| **play**    | Plays music for you!                              | play [song]        | 5 seconds |
+| **queue**   | Shows the server queue                            | queue              | 5 seconds |
+| **resume**  | Resume the current song!                          | resume             | 5 seconds |
+| **skip**    | Skip the current song                             | skip               | 5 seconds |
+| **stop**    | Stop the music                                    | stop               | 5 seconds |
+
 ### Fun (10 commands)
 
 | Name          | Description                                                                                   | Usage                           | Cooldown  |
@@ -135,21 +151,6 @@ Here's the list of Atlanta commands. This one contains more than **110 commands*
 *This is a fun command, not to be taken seriously* | lovecalc [@member1] (@member2)  | 1 seconds |
 | **number**    | Find the right number!                                                                        | number                          | 5 seconds |
 
-### Music (10 commands)
-
-| Name        | Description                                       | Usage              | Cooldown  |
-| ----------- | ------------------------------------------------- | ------------------ | --------- |
-| **filter**  | Enable or disable a filter!                       | filter [filter]    | 5 seconds |
-| **filters** | Send the list of all the filters and their status | filters            | 5 seconds |
-| **lyrics**  | Shows the song lyrics                             | lyrics [song-name] | 5 seconds |
-| **np**      | Shows information about the current song!         | np                 | 5 seconds |
-| **pause**   | Pause the current song!                           | pause              | 5 seconds |
-| **play**    | Plays music for you!                              | play [song]        | 5 seconds |
-| **queue**   | Shows the server queue                            | queue              | 5 seconds |
-| **resume**  | Resume the current song!                          | resume             | 5 seconds |
-| **skip**    | Skip the current song                             | skip               | 5 seconds |
-| **stop**    | Stop the music                                    | stop               | 5 seconds |
-
 ### Owner (3 commands)
 
 | Name             | Description             | Usage        | Cooldown  |

languages/en-US/music/back.json

@@ -0,0 +1,8 @@
+{
+    "DESCRIPTION": "Play back the previous song",
+    "USAGE": "{{prefix}}back",
+    "EXAMPLES": "{{prefix}}back",
+    "NO_NEXT_SONG": "There was no song before this one!",
+    "VOTE_CONTENT": "Previous song: {{songName}}\nReact with 👍 to play the previous song! {{requiredCount}} more votes are required.",
+    "SUCCESS": "Playing previous song!"
+}