Better async set for default volume and lint fixes

* Set default volume on connect so getVolume does not need to be async
* Fix missing Volume command removed by accident
* Various lint fixes

src/events/guild-create.ts

@@ -7,7 +7,6 @@ import {REST} from '@discordjs/rest';
 import registerCommandsOnGuild from '../utils/register-commands-on-guild.js';
 
 export default async (guild: Guild): Promise<void> => {
-
   const config = container.get<Config>(TYPES.Config);
 
   // Setup slash commands

src/inversify.config.ts

@@ -86,6 +86,7 @@ container.bind<SpotifyAPI>(TYPES.Services.SpotifyAPI).to(SpotifyAPI).inSingleton
   Skip,
   Stop,
   Unskip,
+  Volume,
 ].forEach(command => {
   container.bind<Command>(TYPES.Command).to(command).inSingletonScope();
 });

src/managers/player.ts

@@ -2,7 +2,6 @@ import {inject, injectable} from 'inversify';
 import {TYPES} from '../types.js';
 import Player from '../services/player.js';
 import FileCacheProvider from '../services/file-cache.js';
-import Config from '../services/config';
 
 @injectable()
 export default class {

src/services/player.ts

@@ -19,7 +19,7 @@ import {
 import FileCacheProvider from './file-cache.js';
 import debug from '../utils/debug.js';
 import {getGuildSetting, getGuildSettings} from '../utils/get-guild-settings.js';
-import {GUILD_SETTINGS_MAP} from "./config";
+import {GUILD_SETTINGS_DEFAULTS, GUILD_SETTINGS_MAP} from './config';
 
 export enum MediaSource {
   Youtube,
@@ -70,7 +70,7 @@ export default class {
   private queuePosition = 0;
   private audioPlayer: AudioPlayer | null = null;
   private audioResource: AudioResource | null = null;
-  private volume: number | null = null;
+  private volume: number = GUILD_SETTINGS_DEFAULTS.defaultVolume;
   private nowPlaying: QueuedSong | null = null;
   private playPositionInterval: NodeJS.Timeout | undefined;
   private lastSongURL = '';
@@ -85,6 +85,8 @@ export default class {
   }
 
   async connect(channel: VoiceChannel): Promise<void> {
+    this.volume = await getGuildSetting<number>(this.guildId, GUILD_SETTINGS_MAP.DEFAULT_VOLUME);
+
     this.voiceConnection = joinVoiceChannel({
       channelId: channel.id,
       guildId: channel.guild.id,
@@ -156,7 +158,7 @@ export default class {
       },
     });
     this.voiceConnection.subscribe(this.audioPlayer);
-    await this.playAudioPlayerResource(this.createAudioStream(stream));
+    this.playAudioPlayerResource(this.createAudioStream(stream));
     this.attachListeners();
     this.startTrackingPosition(positionSeconds);
 
@@ -219,7 +221,7 @@ export default class {
         },
       });
       this.voiceConnection.subscribe(this.audioPlayer);
-      await this.playAudioPlayerResource(this.createAudioStream(stream));
+      this.playAudioPlayerResource(this.createAudioStream(stream));
 
       this.attachListeners();
 
@@ -405,18 +407,11 @@ export default class {
 
   setVolume(level: number): void {
     // Level should be a number between 0 and 100 = 0% => 100%
-    // Spotify expects a float between 0 and 1 to represent this percentage
     this.volume = level;
-    this.audioResource?.volume?.setVolume(this.volume / 100);
+    this.setAudioPlayerVolume();
   }
 
-  async getVolume(): Promise<number> {
-    if (this.volume !== null) {
-      return this.volume;
-    }
-
-    this.volume = await getGuildSetting<number>(this.guildId, GUILD_SETTINGS_MAP.DEFAULT_VOLUME);
-
+  getVolume(): number {
     return this.volume;
   }
 
@@ -622,11 +617,16 @@ export default class {
     });
   }
 
-  private async playAudioPlayerResource(resource: AudioResource) {
+  private playAudioPlayerResource(resource: AudioResource) {
     if (this.audioPlayer !== null) {
       this.audioResource = resource;
-      this.audioResource?.volume?.setVolume(await this.getVolume() / 100);
+      this.setAudioPlayerVolume();
       this.audioPlayer.play(resource);
     }
   }
+
+  private setAudioPlayerVolume(level?: number) {
+    // Audio resource expects a float between 0 and 1 to represent level percentage
+    this.audioResource?.volume?.setVolume((level ?? this.getVolume()) / 100);
+  }
 }