Removed ban cache, fixed user occasionally being null in MessageReceived

src/Discord.Net/DiscordClient.cs

@@ -708,7 +708,6 @@ namespace Discord
                             var server = GetServer(data.GuildId);
                             if (server != null)
                             {
-                                server.AddBan(data.UserId);
                                 if (Config.LogEvents)
                                     Logger.Info($"User Banned: {server.Name}/{data.UserId}");
                                 OnUserBanned(server, data.UserId);
@@ -721,12 +720,9 @@ namespace Discord
                             var server = GetServer(data.GuildId);
                             if (server != null)
                             {
-                                if (server.RemoveBan(data.UserId))
-                                {
-                                    if (Config.LogEvents)
-                                        Logger.Info($"User Unbanned: {server.Name}/{data.UserId}");
-                                    OnUserUnbanned(server, data.UserId);
-                                }
+                                if (Config.LogEvents)
+                                    Logger.Info($"User Unbanned: {server.Name}/{data.UserId}");
+                                OnUserUnbanned(server, data.UserId);
                             }
                         }
                         break;
@@ -739,38 +735,40 @@ namespace Discord
                             Channel channel = GetChannel(data.ChannelId);
                             if (channel != null)
                             {
-                                Message msg = null;
-                                bool isAuthor = data.Author.Id == CurrentUser.Id;
-                                //ulong nonce = 0;
-
-                                /*if (data.Author.Id == _privateUser.Id && Config.UseMessageQueue)
-                                {
-                                    if (data.Nonce != null && ulong.TryParse(data.Nonce, out nonce))
-                                        msg = _messages[nonce];
-                                }*/
-                                if (msg == null)
-                                {
-                                    msg = channel.AddMessage(data.Id, data.Author.Id, data.Timestamp.Value);
-                                    //nonce = 0;
-                                }
-
-                                msg.Update(data);
-                                var user = msg.User;
+                                var user = channel.GetUser(data.Author.Id);
                                 if (user != null)
-                                    user.UpdateActivity();// data.Timestamp);
-
-                                //Remapped queued message
-                                /*if (nonce != 0)
                                 {
-                                    msg = _messages.Remap(nonce, data.Id);
-                                    msg.Id = data.Id;
-                                    RaiseMessageSent(msg);
-                                }*/
+                                    Message msg = null;
+                                    bool isAuthor = data.Author.Id == CurrentUser.Id;
+                                    //ulong nonce = 0;
+
+                                    /*if (data.Author.Id == _privateUser.Id && Config.UseMessageQueue)
+                                    {
+                                        if (data.Nonce != null && ulong.TryParse(data.Nonce, out nonce))
+                                            msg = _messages[nonce];
+                                    }*/
+                                    if (msg == null)
+                                    {
+                                        msg = channel.AddMessage(data.Id, data.Author.Id, data.Timestamp.Value);
+                                        //nonce = 0;
+                                    }
+
+                                    //Remapped queued message
+                                    /*if (nonce != 0)
+                                    {
+                                        msg = _messages.Remap(nonce, data.Id);
+                                        msg.Id = data.Id;
+                                        RaiseMessageSent(msg);
+                                    }*/
 
-                                msg.State = MessageState.Normal;
-                                if (Config.LogEvents)
-                                    Logger.Verbose($"Message Received: {channel.Server?.Name ?? "[Private]"}/{channel.Name}");
-                                OnMessageReceived(msg);
+                                    msg.Update(data);
+                                    user.UpdateActivity();
+
+                                    msg.State = MessageState.Normal;
+                                    if (Config.LogEvents)
+                                        Logger.Verbose($"Message Received: {channel.Server?.Name ?? "[Private]"}/{channel.Name}");
+                                    OnMessageReceived(msg);
+                                }
                             }
                         }
                         break;

src/Discord.Net/Models/Server.cs

@@ -32,7 +32,6 @@ namespace Discord
         private readonly ConcurrentDictionary<ulong, Role> _roles;
         private readonly ConcurrentDictionary<ulong, Member> _users;
         private readonly ConcurrentDictionary<ulong, Channel> _channels;
-        private readonly ConcurrentDictionary<ulong, bool> _bans;
         private ulong _ownerId;
         private ulong? _afkChannelId;
         
@@ -64,9 +63,7 @@ namespace Discord
         public User CurrentUser => GetUser(Client.CurrentUser.Id);
         /// <summary> Gets the URL to this user's current avatar. </summary>
         public string IconUrl => GetIconUrl(Id, IconId);
-
-        /// <summary> Gets a collection of the ids of all users banned on this server. </summary>
-        public IEnumerable<ulong> BannedUserIds => _bans.Select(x => x.Key);
+        
         /// <summary> Gets a collection of all channels in this server. </summary>
         public IEnumerable<Channel> AllChannels => _channels.Select(x => x.Value);
         /// <summary> Gets a collection of text channels in this server. </summary>
@@ -86,7 +83,6 @@ namespace Discord
             _channels = new ConcurrentDictionary<ulong, Channel>();
             _roles = new ConcurrentDictionary<ulong, Role>();
             _users = new ConcurrentDictionary<ulong, Member>();
-            _bans = new ConcurrentDictionary<ulong, bool>();
             DefaultChannel = AddChannel(id);
             EveryoneRole = AddRole(id);
         }
@@ -176,14 +172,6 @@ namespace Discord
         }
 
         #region Bans
-        internal void AddBan(ulong banId)
-            => _bans.TryAdd(banId, true);
-        internal bool RemoveBan(ulong banId)
-        {
-            bool ignored;
-            return _bans.TryRemove(banId, out ignored);
-        }
-
         public Task Ban(User user, int pruneDays = 0)
         {
             var request = new AddGuildBanRequest(user.Server.Id, user.Id)