feat: Added remove command which removes song assigned to a user

src/app.ts

@@ -6,6 +6,7 @@ import { Logger, getUniqueLogger } from './lib/logger';
 
 import AssignCommand from './commands/assign';
 import DebugCommand from './commands/debug';
+import RemoveCommand from './commands/remove';
 
 import UserConnectedAction from './actions/user-connected';
 
@@ -47,6 +48,9 @@ client.on('message', async function(message: Message){
   case 'debug':
     await DebugCommand(message.author.id, message.guild.id, message.channel);
     break;
+  case 'remove':
+    await RemoveCommand(message.author.id, message.guild.id, message.channel);
+    break;
   default:
     break;
   }

src/commands/remove.ts

@@ -0,0 +1,36 @@
+import Crypto from 'crypto';
+import { DMChannel, NewsChannel, TextChannel, MessageEmbed } from 'discord.js';
+
+import Database from '../lib/db';
+
+async function remove(userId: string, serverId: string, textChannel: TextChannel | DMChannel | NewsChannel): Promise<void> {
+  const hash: string = Crypto.createHash('md5').update(`${userId}${serverId}`).digest('hex');
+  try {
+    await new Promise<string>((_, reject) => {
+      Database.del(hash, (err) => {
+        if (err) {
+          reject(err);
+        }
+      });
+    });
+  } catch (error) {
+    const embedError: MessageEmbed = new MessageEmbed()
+    .setColor('#B22222')
+    .setTitle('Error')
+    .setDescription('No audio found for user');
+
+    await textChannel.send(embedError);
+
+    return;
+  }
+
+  const embedResponse: MessageEmbed = new MessageEmbed()
+  .setColor('#00FFFF')
+  .setDescription('Song removed');
+
+  await textChannel.send(embedResponse);
+
+  return;
+}
+
+export default remove;