Added SetStatus

src/Discord.Net.Net45/Discord.Net.csproj

@@ -175,6 +175,9 @@
     <Compile Include="..\Discord.Net\Format.cs">
       <Link>Format.cs</Link>
     </Compile>
+    <Compile Include="..\Discord.Net\Helpers\EpochTime.cs">
+      <Link>Helpers\EpochTime.cs</Link>
+    </Compile>
     <Compile Include="..\Discord.Net\Helpers\Extensions.cs">
       <Link>Helpers\Extensions.cs</Link>
     </Compile>

src/Discord.Net/DiscordClient.API.cs

@@ -1,4 +1,5 @@
 using Discord.API;
+using Discord.Helpers;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -638,6 +639,34 @@ namespace Discord
 			return _api.EditProfile(currentPassword: currentPassword, username: username, email: email ?? _currentUser?.Email, password: password,
 				avatarType: avatarType, avatar: avatar);
 		}
+		public Task SetStatus(string status = null, int? gameId = null)
+		{
+			if (status == null && gameId == null)
+				throw new ArgumentNullException("Either status or gameId must be non-null");
+
+			if (status != null)
+			{
+				switch (status)
+				{
+					case UserStatus.Online:
+					case UserStatus.Away:
+						_status = status;
+						break;
+					default:
+						throw new ArgumentException($"Invalid status, must be {UserStatus.Online} or {UserStatus.Away}");
+				}
+			}
+
+			if (gameId != null)
+				_gameId = gameId;
+
+			return SendStatus();
+		}
+		private Task SendStatus()
+		{
+			_dataSocket.SendStatus(_status == UserStatus.Away ? EpochTime.GetMilliseconds() : (ulong?)null, _gameId);
+			return TaskHelper.CompletedTask;
+		}
 
 		//Roles
 		/// <summary> Note: due to current API limitations, the created role cannot be returned. </summary>

src/Discord.Net/DiscordClient.cs

@@ -24,6 +24,8 @@ namespace Discord
 		private readonly ConcurrentDictionary<string, DiscordSimpleClient> _voiceClients;
 		private bool _sentInitialLog;
 		private uint _nextVoiceClientId;
+		private string _status;
+		private int? _gameId;
 
 		public new DiscordClientConfig Config => _config as DiscordClientConfig;
 
@@ -69,8 +71,13 @@ namespace Discord
 			_roles = new Roles(this, cacheLock);
 			_servers = new Servers(this, cacheLock);
 			_users = new Users(this, cacheLock);
+			_status = UserStatus.Online;
 
-			this.Connected += (s, e) => _api.CancelToken = CancelToken;
+			this.Connected += async (s, e) =>
+			{
+				_api.CancelToken = CancelToken;
+				await SendStatus();
+			};
 
 			VoiceDisconnected += (s, e) =>
 			{

src/Discord.Net/Helpers/EpochTime.cs

@@ -0,0 +1,10 @@
+using System;
+
+namespace Discord.Helpers
+{
+    public class EpochTime
+	{
+		private static readonly DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+		public static ulong GetMilliseconds() => (ulong)(DateTime.UtcNow - epoch).TotalMilliseconds;
+	}
+}

src/Discord.Net/WebSockets/Data/Commands.cs

@@ -2,17 +2,15 @@
 #pragma warning disable CS0649
 #pragma warning disable CS0169
 
+using Discord.Helpers;
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
 
 namespace Discord.WebSockets.Data
 {
 	internal sealed class KeepAliveCommand : WebSocketMessage<ulong>
 	{
-		public KeepAliveCommand() : base(1, GetTimestamp()) { }
+		public KeepAliveCommand() : base(1, EpochTime.GetMilliseconds()) { }
-		private static readonly DateTime epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
-		private static ulong GetTimestamp() => (ulong)(DateTime.UtcNow - epoch).TotalMilliseconds;
 	}
 	internal sealed class LoginCommand : WebSocketMessage<LoginCommand.Data>
 	{
@@ -33,9 +31,9 @@ namespace Discord.WebSockets.Data
 		public class Data
 		{
 			[JsonProperty("idle_since")]
-			public string IdleSince;
+			public ulong? IdleSince;
 			[JsonProperty("game_id")]
-			public string GameId;
+			public int? GameId;
 		}
 	}
 	internal sealed class JoinVoiceCommand : WebSocketMessage<JoinVoiceCommand.Data>

src/Discord.Net/WebSockets/Data/DataWebSocket.cs

@@ -80,13 +80,11 @@ namespace Discord.WebSockets.Data
 							var payload = token.ToObject<ReadyEvent>();
 							_sessionId = payload.SessionId;
 							_heartbeatInterval = payload.HeartbeatInterval;
-							QueueMessage(new UpdateStatusCommand());
 						}
 						else if (msg.Type == "RESUMED")
 						{
 							var payload = token.ToObject<ResumedEvent>();
 							_heartbeatInterval = payload.HeartbeatInterval;
-							QueueMessage(new UpdateStatusCommand());
 						}
 						RaiseReceivedEvent(msg.Type, token);
 						if (msg.Type == "READY" || msg.Type == "RESUMED")
@@ -114,6 +112,14 @@ namespace Discord.WebSockets.Data
 			return new KeepAliveCommand();
 		}
 
+		public void SendStatus(ulong? idleSince, int? gameId)
+		{
+			var updateStatus = new UpdateStatusCommand();
+			updateStatus.Payload.IdleSince = idleSince;
+			updateStatus.Payload.GameId = gameId;
+            QueueMessage(updateStatus);
+		}
+
 		public void SendJoinVoice(string serverId, string channelId)
 		{
 			var joinVoice = new JoinVoiceCommand();