Initial split of the modules

NadekoBot.Core/Modules/Administration/Services/GameVoiceChannelService.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord.WebSocket;
+using NadekoBot.Common.Collections;
+using NadekoBot.Extensions;
+using NadekoBot.Services;
+using NadekoBot.Services.Database.Models;
+using NLog;
+
+namespace NadekoBot.Modules.Administration.Services
+{
+    public class GameVoiceChannelService : INService
+    {
+        public readonly ConcurrentHashSet<ulong> GameVoiceChannels = new ConcurrentHashSet<ulong>();
+
+        private readonly Logger _log;
+        private readonly DbService _db;
+        private readonly DiscordSocketClient _client;
+
+        public GameVoiceChannelService(DiscordSocketClient client, DbService db, IEnumerable<GuildConfig> gcs)
+        {
+            _log = LogManager.GetCurrentClassLogger();
+            _db = db;
+            _client = client;
+
+            GameVoiceChannels = new ConcurrentHashSet<ulong>(
+                gcs.Where(gc => gc.GameVoiceChannel != null)
+                                         .Select(gc => gc.GameVoiceChannel.Value));
+
+            _client.UserVoiceStateUpdated += Client_UserVoiceStateUpdated;
+
+        }
+
+        private Task Client_UserVoiceStateUpdated(SocketUser usr, SocketVoiceState oldState, SocketVoiceState newState)
+        {
+            var _ = Task.Run(async () =>
+            {
+                try
+                {
+                    var gUser = usr as SocketGuildUser;
+                    if (gUser == null)
+                        return;
+
+                    var game = gUser.Game?.Name?.TrimTo(50).ToLowerInvariant();
+
+                    if (oldState.VoiceChannel == newState.VoiceChannel ||
+                        newState.VoiceChannel == null)
+                        return;
+
+                    if (!GameVoiceChannels.Contains(newState.VoiceChannel.Id) ||
+                        string.IsNullOrWhiteSpace(game))
+                        return;
+
+                    var vch = gUser.Guild.VoiceChannels
+                        .FirstOrDefault(x => x.Name.ToLowerInvariant() == game);
+
+                    if (vch == null)
+                        return;
+
+                    await Task.Delay(1000).ConfigureAwait(false);
+                    await gUser.ModifyAsync(gu => gu.Channel = vch).ConfigureAwait(false);
+                }
+                catch (Exception ex)
+                {
+                    _log.Warn(ex);
+                }
+            });
+
+            return Task.CompletedTask;
+        }
+    }
+}