Cache Message.User

src/Discord.Net/DiscordClient.cs

@@ -758,7 +758,7 @@ namespace Discord
                                     }*/
                                     if (msg == null)
                                     {
-                                        msg = channel.AddMessage(data.Id, data.Author.Id, data.Timestamp.Value);
+                                        msg = channel.AddMessage(data.Id, user, data.Timestamp.Value);
                                         //nonce = 0;
                                     }
 

src/Discord.Net/Models/Channel.cs

@@ -240,9 +240,9 @@ namespace Discord
         #endregion
 
         #region Messages
-        internal Message AddMessage(ulong id, ulong userId, DateTime timestamp)
+        internal Message AddMessage(ulong id, User user, DateTime timestamp)
         {
-            Message message = new Message(id, this, userId);
+            Message message = new Message(id, this, user);
             var cacheLength = Client.Config.MessageCacheSize;
             if (cacheLength > 0)
             {
@@ -298,13 +298,13 @@ namespace Discord
                     Message msg = null;
                     if (useCache)
                     {
-                        msg = AddMessage(x.Id, x.Author.Id, x.Timestamp.Value);
+                        msg = AddMessage(x.Id, GetUser(x.Author.Id), x.Timestamp.Value);
                         var user = msg.User;
                         if (user != null)
                             user.UpdateActivity(msg.EditedTimestamp ?? msg.Timestamp);
                     }
                     else
-                        msg = new Message(x.Id, this, x.Author.Id);
+                        msg = new Message(x.Id, this, GetUser(x.Author.Id));
                     msg.Update(x);
                     return msg;
                 })
@@ -352,7 +352,7 @@ namespace Discord
                     IsTTS = isTTS
                 };
                 var model = await Client.ClientAPI.Send(request).ConfigureAwait(false);
-                msg = AddMessage(model.Id, model.Author.Id, model.Timestamp.Value);
+                msg = AddMessage(model.Id, IsPrivate ? Client.PrivateUser : Server.CurrentUser, model.Timestamp.Value);
                 msg.Update(model);
             }
             return msg;
@@ -372,7 +372,7 @@ namespace Discord
             };
             var model = await Client.ClientAPI.Send(request).ConfigureAwait(false);
 
-            var msg = AddMessage(model.Id, model.Author.Id, model.Timestamp.Value);
+            var msg = AddMessage(model.Id, IsPrivate ? Client.PrivateUser : Server.CurrentUser, model.Timestamp.Value);
             msg.Update(model);
             return msg;
         }

src/Discord.Net/Models/Message.cs

@@ -171,9 +171,11 @@ namespace Discord
         public ulong Id { get; }
         /// <summary> Returns the channel this message was sent to. </summary>
         public Channel Channel { get; }
+        /// <summary> Returns the author of this message. </summary>
+        public User User { get; }
 
-		/// <summary> Returns true if the message was sent as text-to-speech by someone with permissions to do so. </summary>
-		public bool IsTTS { get; private set; }
+        /// <summary> Returns true if the message was sent as text-to-speech by someone with permissions to do so. </summary>
+        public bool IsTTS { get; private set; }
 		/// <summary> Returns the state of this message. Only useful if UseMessageQueue is true. </summary>
 		public MessageState State { get; internal set; }
 		/// <summary> Returns the raw content of this message as it was received from the server. </summary>
@@ -198,14 +200,12 @@ namespace Discord
         
 		/// <summary> Returns the server containing the channel this message was sent to. </summary>
 		public Server Server => Channel.Server;
-        /// <summary> Returns the author of this message. </summary>
-        public User User => Channel.GetUser(_userId);
 
-		internal Message(ulong id, Channel channel, ulong userId)
+		internal Message(ulong id, Channel channel, User user)
 		{
             Id = id;
             Channel = channel;
-            _userId = userId;
+            User = user;
 
 			Attachments = _initialAttachments;
 			Embeds = _initialEmbeds;