Fixed member permission resolving

src/Discord.Net/Collections/Members.cs

@@ -16,7 +16,7 @@ namespace Discord.Collections
 
 		protected override void OnCreated(Member item)
 		{
-			item.Server.AddMember(item.UserId);
+			item.Server.AddMember(item);
 			item.User.AddServer(item.ServerId);
 			item.User.AddRef();
 			if (item.UserId == _client.CurrentUserId)
@@ -24,7 +24,7 @@ namespace Discord.Collections
 		}
 		protected override void OnRemoved(Member item)
 		{
-			item.Server.RemoveMember(item.UserId);
+			item.Server.RemoveMember(item);
 			item.User.RemoveServer(item.ServerId);
 			item.User.RemoveRef();
 			if (item.UserId == _client.CurrentUserId)

src/Discord.Net/Models/Channel.cs

@@ -55,7 +55,7 @@ namespace Discord
 				if (!_areMembersStale)
 					return _userIds;
 				
-				_userIds = Server.Members.Where(x => x.GetPermissions(Id).Text_ReadMessages).Select(x => x.UserId).ToArray();
+				_userIds = Server.Members.Where(x => x.GetPermissions(Id)?.Text_ReadMessages ?? false).Select(x => x.UserId).ToArray();
 				_areMembersStale = false;
 				return _userIds;
 			}

src/Discord.Net/Models/Member.cs

@@ -152,7 +152,9 @@ namespace Discord
 		}
 		internal void UpdatePermissions(string channelId)
 		{
-			var server = Server;
+			if (RoleIds == null) return; // We don't have all our data processed yet, this will be called again soon
+
+            var server = Server;
 			if (server == null) return;
 			var channel = _client.Channels[channelId];
 			if (channel == null) return;

src/Discord.Net/Models/Server.cs

@@ -194,18 +194,24 @@ namespace Discord
 			return _invites.TryRemove(inviteId, out ignored);
 		}
 
-		internal void AddMember(string userId)
+		internal void AddMember(Member member)
 		{
-			_members.TryAdd(userId, true);
+			_members.TryAdd(member.UserId, true);
 			foreach (var channel in Channels)
-				channel._areMembersStale = true;
+			{
+				member.AddChannel(channel.Id);
+                channel._areMembersStale = true;
+			}
         }
-		internal bool RemoveMember(string userId)
+		internal bool RemoveMember(Member member)
 		{
 			bool ignored;
 			foreach (var channel in Channels)
+			{
+				member.RemoveChannel(channel.Id);
 				channel._areMembersStale = true;
-			return _members.TryRemove(userId, out ignored);
+			}
+			return _members.TryRemove(member.UserId, out ignored);
 		}
 		internal bool HasMember(string userId)
 		{