Add aliases

src/bot.ts

@@ -28,7 +28,9 @@ export default class {
   public async listen(): Promise<string> {
     // Load in commands
     container.getAll<Command>(TYPES.Command).forEach(command => {
-      this.commands.set(command.name, command);
+      const commandNames = [command.name, ...command.aliases];
+
+      commandNames.forEach(commandName => this.commands.set(commandName, command));
     });
 
     this.client.on('message', async (msg: Message) => {

src/commands/clear.ts

@@ -7,6 +7,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'clear';
+  public aliases = ['c'];
   public examples = [
     ['clear', 'clears all songs in queue except currently playing']
   ];

src/commands/config.ts

@@ -7,6 +7,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'config';
+  public aliases = [];
   public examples = [
     ['config prefix !', 'set the prefix to !'],
     ['config channel music-commands', 'bind the bot to the music-commands channel']

src/commands/disconnect.ts

@@ -2,11 +2,13 @@ import {Message} from 'discord.js';
 import {TYPES} from '../types';
 import {inject, injectable} from 'inversify';
 import PlayerManager from '../managers/player';
+import errorMsg from '../utils/error-msg';
 import Command from '.';
 
 @injectable()
 export default class implements Command {
   public name = 'disconnect';
+  public aliases = ['dc'];
   public examples = [
     ['disconnect', 'pauses and disconnects player']
   ];
@@ -20,6 +22,11 @@ export default class implements Command {
   public async execute(msg: Message, _: string []): Promise<void> {
     const player = this.playerManager.get(msg.guild!.id);
 
+    if (!player.voiceConnection) {
+      await msg.channel.send(errorMsg('not connected'));
+      return;
+    }
+
     player.disconnect();
 
     await msg.channel.send('u betcha');

src/commands/fseek.ts

@@ -10,6 +10,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'fseek';
+  public aliases = [];
   public examples = [
     ['fseek 10', 'skips forward in current song by 10 seconds']
   ];

src/commands/help.ts

@@ -8,6 +8,7 @@ import container from '../inversify.config';
 @injectable()
 export default class implements Command {
   public name = 'help';
+  public aliases = ['h'];
   public examples = [
     ['help', 'you don\'t need a description']
   ];

src/commands/index.ts

@@ -2,6 +2,7 @@ import {Message} from 'discord.js';
 
 export default interface Command {
   name: string;
+  aliases: string[];
   examples: string[][];
   execute: (msg: Message, args: string[]) => Promise<void>;
 }

src/commands/pause.ts

@@ -9,6 +9,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'pause';
+  public aliases = [];
   public examples = [
     ['pause', 'pauses currently playing song']
   ];

src/commands/play.ts

@@ -15,6 +15,7 @@ import GetSongs from '../services/get-songs';
 @injectable()
 export default class implements Command {
   public name = 'play';
+  public aliases = ['p'];
   public examples = [
     ['play', 'resume paused playback'],
     ['play https://www.youtube.com/watch?v=dQw4w9WgXcQ', 'plays a YouTube video'],

src/commands/queue.ts

@@ -7,6 +7,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'queue';
+  public aliases = ['q'];
   public examples = [
     ['queue', 'shows current queue']
   ];

src/commands/seek.ts

@@ -10,6 +10,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'seek';
+  public aliases = [];
   public examples = [
     ['seek 10', 'seeks to 10 seconds from beginning of song'],
     ['seek 1:30', 'seeks to 1 minute and 30 seconds from beginning of song'],

src/commands/shortcuts.ts

@@ -7,6 +7,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'shortcuts';
+  public aliases = [];
   public examples = [
     ['shortcuts', 'show all shortcuts'],
     ['shortcuts set s skip', 'aliases `s` to `skip`'],

src/commands/shuffle.ts

@@ -8,6 +8,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'shuffle';
+  public aliases = [];
   public examples = [
     ['shuffle', 'shuffles the current queue']
   ];

src/commands/skip.ts

@@ -8,6 +8,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'skip';
+  public aliases = ['s'];
   public examples = [
     ['skip', 'skips the current song']
   ];

src/commands/unskip.ts

@@ -9,6 +9,7 @@ import Command from '.';
 @injectable()
 export default class implements Command {
   public name = 'unskip';
+  public aliases = ['back'];
   public examples = [
     ['unskip', 'goes back in the queue by one song']
   ];