Added SelfUser.ModifyStatusAsync

src/Discord.Net.Core/API/Rest/ModifyPresenceParams.cs

@@ -1,4 +1,6 @@
 #pragma warning disable CS1591
+using System;
+
 namespace Discord.API.Rest
 {
     public class ModifyPresenceParams

src/Discord.Net.Core/Entities/Users/UserStatus.cs

@@ -5,6 +5,7 @@
         Unknown,
         Online,
         Idle,
+        AFK,
         DoNotDisturb,
         Invisible,
         Offline

src/Discord.Net.Core/Net/Converters/UserStatusConverter.cs

@@ -38,6 +38,7 @@ namespace Discord.Net.Converters
                     writer.WriteValue("online");
                     break;
                 case UserStatus.Idle:
+                case UserStatus.AFK:
                     writer.WriteValue("idle");
                     break;
                 case UserStatus.DoNotDisturb:

src/Discord.Net.WebSocket/API/DiscordSocketApiClient.cs

@@ -212,12 +212,14 @@ namespace Discord.API
             options = RequestOptions.CreateOrClone(options);
             await SendGatewayAsync(GatewayOpCode.Heartbeat, lastSeq, options: options).ConfigureAwait(false);
         }
-        public async Task SendStatusUpdateAsync(long? idleSince, Game game, RequestOptions options = null)
+        public async Task SendStatusUpdateAsync(UserStatus status, bool isAFK, long? since, Game game, RequestOptions options = null)
         {
             options = RequestOptions.CreateOrClone(options);
             var args = new StatusUpdateParams
             {
-                IdleSince = idleSince,
+                Status = status,
+                IdleSince = since,
+                IsAFK = isAFK,
                 Game = game
             };
             await SendGatewayAsync(GatewayOpCode.StatusUpdate, args, options: options).ConfigureAwait(false);

src/Discord.Net.WebSocket/API/Gateway/StatusUpdateParams.cs

@@ -6,8 +6,12 @@ namespace Discord.API.Gateway
     [JsonObject(MemberSerialization = MemberSerialization.OptIn)]
     public class StatusUpdateParams
     {
-        [JsonProperty("idle_since"), Int53]
+        [JsonProperty("status")]
+        public UserStatus Status { get; set; }
+        [JsonProperty("since"), Int53]
         public long? IdleSince { get; set; }
+        [JsonProperty("afk")]
+        public bool IsAFK { get; set; }
         [JsonProperty("game")]
         public Game Game { get; set; }
     }

src/Discord.Net.WebSocket/DiscordSocketClient.cs

@@ -376,7 +376,7 @@ namespace Discord.WebSocket
             {
                 var user = SocketGlobalUser.Create(this, state, model);
                 user.GlobalUser.AddRef();
-                user.Presence = new SocketPresence(null, UserStatus.Online);
+                user.Presence = new SocketPresence(UserStatus.Online, null);
                 return user;
             });
         }
@@ -1311,7 +1311,7 @@ namespace Discord.WebSocket
                                         }
                                         else
                                         {
-                                            before = new SocketPresence(null, UserStatus.Offline);
+                                            before = new SocketPresence(UserStatus.Offline, null);
                                             user = guild.AddOrUpdateUser(data);
                                         }
 

src/Discord.Net.WebSocket/Entities/Users/SocketSelfUser.cs

@@ -3,6 +3,7 @@ using Discord.Rest;
 using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
+using GameEntity = Discord.Game;
 using Model = Discord.API.User;
 
 namespace Discord.WebSocket
@@ -10,6 +11,8 @@ namespace Discord.WebSocket
     [DebuggerDisplay(@"{DebuggerDisplay,nq}")]
     public class SocketSelfUser : SocketUser, ISelfUser
     {
+        private DateTimeOffset? _statusSince;
+
         public string Email { get; private set; }
         public bool IsVerified { get; private set; }
         public bool IsMfaEnabled { get; private set; }
@@ -44,12 +47,57 @@ namespace Discord.WebSocket
                 IsMfaEnabled = model.MfaEnabled.Value;
         }
         
-        public Task ModifyAsync(Action<ModifyCurrentUserParams> func)
+        public Task ModifyAsync(Action<ModifyCurrentUserParams> func, RequestOptions options = null)
-            => UserHelper.ModifyAsync(this, Discord, func);
+            => UserHelper.ModifyAsync(this, Discord, func, options);
+        public async Task ModifyStatusAsync(Action<ModifyPresenceParams> func, RequestOptions options = null)
+        {
+            var args = new ModifyPresenceParams();
+            func(args);            
+
+            UserStatus status;
+            if (args.Status.IsSpecified)
+            {
+                status = args.Status.Value;
+                if (status == UserStatus.AFK)
+                    _statusSince = DateTimeOffset.UtcNow;
+                else
+                    _statusSince = null;
+            }
+            else
+                status = Status;
+
+            GameEntity? game;
+            if (args.Game.IsSpecified)
+            {
+                var model = args.Game.Value;
+                if (model != null)
+                    game = GameEntity.Create(model);
+                else
+                    game = null;
+            }
+            else
+                game = Game;
+
+            Presence = new SocketPresence(status, game);
+
+            await SendStatus(status, game);
+        }
+        internal async Task SendStatus(UserStatus status, GameEntity? game)
+        {
+            var gameModel = game != null ? new API.Game
+            {
+                Name = game.Value.Name,
+                StreamType = game.Value.StreamType,
+                StreamUrl = game.Value.StreamUrl
+            } : null;
+
+            await Discord.ApiClient.SendStatusUpdateAsync(
+                status,
+                status == UserStatus.AFK,
+                _statusSince != null ? _statusSince.Value.ToUnixTimeMilliseconds() : (long?)null,
+                gameModel);
+        }
 
         internal new SocketSelfUser Clone() => MemberwiseClone() as SocketSelfUser;
-
-        //ISelfUser
-        Task ISelfUser.ModifyStatusAsync(Action<ModifyPresenceParams> func) { throw new NotSupportedException(); }
     }
 }

src/Discord.Net.WebSocket/Entities/Users/SocketSimpleUser.cs

@@ -12,7 +12,7 @@ namespace Discord.WebSocket
         public override string Username { get; internal set; }
         public override ushort DiscriminatorValue { get; internal set; }
         public override string AvatarId { get; internal set; }
-        internal override SocketPresence Presence { get { return new SocketPresence(null, UserStatus.Offline); } set { } }
+        internal override SocketPresence Presence { get { return new SocketPresence(UserStatus.Offline, null); } set { } }
 
         internal override SocketGlobalUser GlobalUser {  get { throw new NotSupportedException(); } }