resolve #124

src/commands/music/index.ts

@@ -4,6 +4,7 @@ import { leaveCommand } from './leave';
 import { nowPlayingCommand } from './nowPlaying';
 import { pauseCommand } from './pause';
 import { playCommand } from './play';
+import { previousCommand } from './previous';
 import { queueCommand } from './queue';
 import { removeCommand } from './remove';
 import { resumeCommand } from './resume';
@@ -22,6 +23,7 @@ export const musicCommands = [
     clearCommand,
     removeCommand,
     shuffleCommand,
+    previousCommand,
 ];
 
 if (JukebotGlobals.devmode) musicCommands.push(searchCommand);

src/commands/music/previous.ts

@@ -0,0 +1,20 @@
+import { EntityManager } from '../../classes';
+import { errorMessages } from '../../messages';
+import { Command } from '../../types';
+
+export const previousCommand: Command = {
+    name: 'previous',
+    description: 'Lists the recently played songs',
+    execute: async function ({ interaction, channel, member }): Promise<void> {
+        const jukebox = EntityManager.getGuildInstance(member.guild.id);
+
+        if (jukebox === undefined) {
+            await interaction.reply({ content: errorMessages.emptyPreviousQueue });
+            return;
+        }
+
+        const response = jukebox.historyQueue.makeQueueEmbed(interaction, channel, member);
+
+        await interaction.reply(response);
+    },
+};

src/messages/errorMessages.ts

@@ -62,6 +62,8 @@ export const errorMessages = {
     /** Send when an interaction that requires a queue of length > 0 is called while the queue is empty. */
     emptyQueue: 'Nothing is currently queued',
 
+    emptyPreviousQueue: 'Nothing has been played yet',
+
     notInSameVoiceChannel: (targetVoiceChannelId: string, action: string) =>
         `You must be in the same voice channel as me (${channelMention(targetVoiceChannelId)}) to ${action}`,
 };