Reduce usage of working objects in packet objects as much as possible.

SharpChat/ChatColour.cs

@@ -1,11 +1,11 @@
 using System.Diagnostics.CodeAnalysis;
 
 namespace SharpChat {
-    public struct ChatColour {
+    public readonly struct ChatColour {
-        public byte Red { get; }
+        public readonly byte Red;
-        public byte Green { get; }
+        public readonly byte Green;
-        public byte Blue { get; }
+        public readonly byte Blue;
-        public bool Inherits { get; }
+        public readonly bool Inherits;
 
         public static ChatColour None { get; } = new();
 

SharpChat/ChatContext.cs

@@ -192,7 +192,13 @@ namespace SharpChat {
                 if(previousName != null)
                     SendToUserChannels(user, new UserUpdateNotificationPacket(previousName, user.LegacyNameWithStatus));
 
-                SendToUserChannels(user, new UserUpdatePacket(user));
+                SendToUserChannels(user, new UserUpdatePacket(
+                    user.UserId,
+                    user.LegacyNameWithStatus,
+                    user.Colour,
+                    user.Rank,
+                    user.Permissions
+                ));
             }
         }
 
@@ -213,17 +219,36 @@ namespace SharpChat {
 
         public void HandleJoin(ChatUser user, ChatChannel chan, ChatConnection conn, int maxMsgLength) {
             if(!IsInChannel(user, chan)) {
-                SendTo(chan, new UserConnectPacket(DateTimeOffset.Now, user));
+                SendTo(chan, new UserConnectPacket(
+                    DateTimeOffset.Now,
+                    user.UserId,
+                    user.LegacyNameWithStatus,
+                    user.Colour,
+                    user.Rank,
+                    user.Permissions
+                ));
                 Events.AddEvent("user:connect", user, chan, flags: StoredEventFlags.Log);
             }
 
-            conn.Send(new AuthSuccessPacket(user, chan, conn, maxMsgLength));
+            conn.Send(new AuthSuccessPacket(
-            conn.Send(new ContextUsersPacket(GetChannelUsers(chan).Except(new[] { user }).OrderByDescending(u => u.Rank)));
+                user.UserId,
+                user.LegacyNameWithStatus,
+                user.Colour,
+                user.Rank,
+                user.Permissions,
+                chan.Name,
+                maxMsgLength
+            ));
+            conn.Send(new ContextUsersPacket(GetChannelUsers(chan).Except(new[] { user }).Select(
+                user => new ContextUsersPacket.ListEntry(user.UserId, user.LegacyNameWithStatus, user.Colour, user.Rank, user.Permissions, true)
+            ).OrderByDescending(user => user.Rank).ToArray()));
 
             foreach(StoredEventInfo msg in Events.GetChannelEventLog(chan.Name))
                 conn.Send(new ContextMessagePacket(msg));
 
-            conn.Send(new ContextChannelsPacket(Channels.Where(c => c.Rank <= user.Rank)));
+            conn.Send(new ContextChannelsPacket(Channels.Where(c => c.Rank <= user.Rank).Select(
+                channel => new ContextChannelsPacket.ListEntry(channel.Name, channel.HasPassword, channel.IsTemporary)
+            ).ToArray()));
 
             Users.Add(user);
 
@@ -241,7 +266,7 @@ namespace SharpChat {
             foreach(ChatChannel chan in channels) {
                 ChannelUsers.Remove(new ChannelUserAssoc(user.UserId, chan.Name));
 
-                SendTo(chan, new UserDisconnectPacket(DateTimeOffset.Now, user, reason));
+                SendTo(chan, new UserDisconnectPacket(DateTimeOffset.Now, user.UserId, user.LegacyNameWithStatus, reason));
                 Events.AddEvent("user:disconnect", user, chan, new { reason = (int)reason }, StoredEventFlags.Log);
 
                 if(chan.IsTemporary && chan.IsOwner(user))
@@ -278,13 +303,15 @@ namespace SharpChat {
 
             ChatChannel oldChan = UserLastChannel[user.UserId];
 
-            SendTo(oldChan, new UserChannelLeavePacket(user));
+            SendTo(oldChan, new UserChannelLeavePacket(user.UserId));
             Events.AddEvent("chan:leave", user, oldChan, flags: StoredEventFlags.Log);
-            SendTo(chan, new UserChannelJoinPacket(user));
+            SendTo(chan, new UserChannelJoinPacket(user.UserId, user.LegacyNameWithStatus, user.Colour, user.Rank, user.Permissions));
             Events.AddEvent("chan:join", user, oldChan, flags: StoredEventFlags.Log);
 
-            SendTo(user, new ContextClearPacket(chan, ContextClearMode.MessagesUsers));
+            SendTo(user, new ContextClearPacket(ContextClearMode.MessagesUsers));
-            SendTo(user, new ContextUsersPacket(GetChannelUsers(chan).Except(new[] { user }).OrderByDescending(u => u.Rank)));
+            SendTo(user, new ContextUsersPacket(GetChannelUsers(chan).Except(new[] { user }).Select(
+                user => new ContextUsersPacket.ListEntry(user.UserId, user.LegacyNameWithStatus, user.Colour, user.Rank, user.Permissions, true)
+            ).OrderByDescending(u => u.Rank).ToArray()));
 
             foreach(StoredEventInfo msg in Events.GetChannelEventLog(chan.Name))
                 SendTo(user, new ContextMessagePacket(msg));
@@ -354,27 +381,29 @@ namespace SharpChat {
             if(chan == null && !UserLastChannel.TryGetValue(user.UserId, out chan))
                 throw new ArgumentException("no channel???");
 
-            SendTo(user, new UserChannelForceJoinPacket(chan));
+            SendTo(user, new UserChannelForceJoinPacket(chan.Name));
         }
 
-        public void UpdateChannel(ChatChannel channel, bool? temporary = null, int? hierarchy = null, string password = null) {
+        public void UpdateChannel(ChatChannel channel, bool? temporary = null, int? minRank = null, string password = null) {
             if(channel == null)
                 throw new ArgumentNullException(nameof(channel));
             if(!Channels.Contains(channel))
                 throw new ArgumentException("Provided channel is not registered with this manager.", nameof(channel));
 
+            string prevName = channel.Name;
+
             if(temporary.HasValue)
                 channel.IsTemporary = temporary.Value;
 
-            if(hierarchy.HasValue)
+            if(minRank.HasValue)
-                channel.Rank = hierarchy.Value;
+                channel.Rank = minRank.Value;
 
             if(password != null)
                 channel.Password = password;
 
-            // TODO: Users that no longer have access to the channel/gained access to the channel by the hierarchy change should receive delete and create packets respectively
+            // TODO: Users that no longer have access to the channel/gained access to the channel by the rank change should receive delete and create packets respectively
             foreach(ChatUser user in Users.Where(u => u.Rank >= channel.Rank)) {
-                SendTo(user, new ChannelUpdatePacket(channel.Name, channel));
+                SendTo(user, new ChannelUpdatePacket(prevName, channel.Name, channel.HasPassword, channel.IsTemporary));
             }
         }
 
@@ -396,7 +425,7 @@ namespace SharpChat {
 
             // Broadcast deletion of channel
             foreach(ChatUser user in Users.Where(u => u.Rank >= channel.Rank))
-                SendTo(user, new ChannelDeletePacket(channel));
+                SendTo(user, new ChannelDeletePacket(channel.Name));
         }
     }
 }

SharpChat/Commands/BanListCommand.cs

@@ -1,6 +1,7 @@
 using SharpChat.Misuzu;
 using SharpChat.Packet;
 using System;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace SharpChat.Commands {
@@ -24,7 +25,9 @@ namespace SharpChat.Commands {
 
             Task.Run(async () => {
                 ctx.Chat.SendTo(ctx.User, new BanListPacket(
-                    await Misuzu.GetBanListAsync()
+                    (await Misuzu.GetBanListAsync()).Select(
+                        ban => string.IsNullOrEmpty(ban.UserName) ? ban.RemoteAddress : ban.UserName
+                    ).ToArray()
                 ));
             }).Wait();
         }

SharpChat/Commands/CreateChannelCommand.cs

@@ -51,7 +51,11 @@ namespace SharpChat.Commands {
 
             ctx.Chat.Channels.Add(createChan);
             foreach(ChatUser ccu in ctx.Chat.Users.Where(u => u.Rank >= ctx.Channel.Rank))
-                ctx.Chat.SendTo(ccu, new ChannelCreatePacket(ctx.Channel));
+                ctx.Chat.SendTo(ccu, new ChannelCreatePacket(
+                    ctx.Channel.Name,
+                    ctx.Channel.HasPassword,
+                    ctx.Channel.IsTemporary
+                ));
 
             ctx.Chat.SwitchChannel(ctx.User, createChan, createChan.Password);
             ctx.Chat.SendTo(ctx.User, new LegacyCommandResponse(LCR.CHANNEL_CREATED, false, createChan.Name));

SharpChat/Commands/RankChannelCommand.cs

@@ -20,7 +20,7 @@ namespace SharpChat.Commands {
                 return;
             }
 
-            ctx.Chat.UpdateChannel(ctx.Channel, hierarchy: chanHierarchy);
+            ctx.Chat.UpdateChannel(ctx.Channel, minRank: chanHierarchy);
             ctx.Chat.SendTo(ctx.User, new LegacyCommandResponse(LCR.CHANNEL_HIERARCHY_CHANGED, false));
         }
     }

SharpChat/Packet/AuthFailPacket.cs

@@ -1,5 +1,4 @@
-using SharpChat.Misuzu;
+using System;
-using System;
 
 namespace SharpChat.Packet {
     public enum AuthFailReason {
@@ -9,14 +8,16 @@ namespace SharpChat.Packet {
     }
 
     public class AuthFailPacket : ServerPacket {
-        public AuthFailReason Reason { get; private set; }
+        private readonly AuthFailReason Reason;
-        public MisuzuBanInfo BanInfo { get; private set; }
+        private readonly DateTimeOffset Expires;
 
-        public AuthFailPacket(AuthFailReason reason, MisuzuBanInfo fbi = null) {
+        public AuthFailPacket(AuthFailReason reason) {
             Reason = reason;
+        }
 
-            if(reason == AuthFailReason.Banned)
+        public AuthFailPacket(DateTimeOffset expires) {
-                BanInfo = fbi ?? throw new ArgumentNullException(nameof(fbi));
+            Reason = AuthFailReason.Banned;
+            Expires = expires;
         }
 
         public override string Pack() {
@@ -28,7 +29,7 @@ namespace SharpChat.Packet {
             });
 
             if(Reason == AuthFailReason.Banned)
-                packet += string.Format("\t{0}", BanInfo.IsPermanent ? -1 : BanInfo.ExpiresAt.ToUnixTimeSeconds());
+                packet += string.Format("\t{0}", Expires.Year >= 2100 ? -1 : Expires.ToUnixTimeSeconds());
 
             return packet;
         }

SharpChat/Packet/AuthSuccessPacket.cs

@@ -2,37 +2,46 @@
 
 namespace SharpChat.Packet {
     public class AuthSuccessPacket : ServerPacket {
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
-        public ChatChannel Channel { get; private set; }
+        private readonly string UserName;
-        public ChatConnection Connection { get; private set; }
+        private readonly ChatColour UserColour;
-        public int MaxMessageLength { get; private set; }
+        private readonly int UserRank;
+        private readonly ChatUserPermissions UserPerms;
+        private readonly string ChannelName;
+        private readonly int MaxMessageLength;
 
         public AuthSuccessPacket(
-            ChatUser user,
+            long userId,
-            ChatChannel channel,
+            string userName,
-            ChatConnection connection,
+            ChatColour userColour,
+            int userRank,
+            ChatUserPermissions userPerms,
+            string channelName,
             int maxMsgLength
         ) {
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            UserId = userId;
-            Channel = channel ?? throw new ArgumentNullException(nameof(channel));
+            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
-            Connection = connection ?? throw new ArgumentNullException(nameof(connection));
+            UserColour = userColour;
+            UserRank = userRank;
+            UserPerms = userPerms;
+            ChannelName = channelName ?? throw new ArgumentNullException(nameof(channelName));
             MaxMessageLength = maxMsgLength;
         }
 
         public override string Pack() {
             return string.Format(
                 "1\ty\t{0}\t{1}\t{2}\t{3} {4} {5} {6} {7}\t{8}\t{9}",
-                User.UserId,
+                UserId,
-                User.LegacyNameWithStatus,
+                UserName,
-                User.Colour,
+                UserColour,
-                User.Rank,
+                UserRank,
-                User.Can(ChatUserPermissions.KickUser) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
-                User.Can(ChatUserPermissions.ViewLogs) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
-                User.Can(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
-                User.Can(ChatUserPermissions.CreateChannel | ChatUserPermissions.SetChannelPermanent, true) ? 2 : (
+                UserPerms.HasFlag(ChatUserPermissions.CreateChannel) ? (
-                    User.Can(ChatUserPermissions.CreateChannel) ? 1 : 0
+                    UserPerms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
-                ),
+                ) : 0,
-                Channel.Name,
+                ChannelName,
                 MaxMessageLength
             );
         }

SharpChat/Packet/BanListPacket.cs

@@ -1,14 +1,12 @@
-using SharpChat.Misuzu;
+using System;
-using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 
 namespace SharpChat.Packet {
     public class BanListPacket : ServerPacket {
-        public IEnumerable<MisuzuBanInfo> Bans { get; private set; }
+        private readonly string[] Bans;
 
-        public BanListPacket(IEnumerable<MisuzuBanInfo> bans) {
+        public BanListPacket(string[] bans) {
             Bans = bans ?? throw new ArgumentNullException(nameof(bans));
         }
 
@@ -17,10 +15,8 @@ namespace SharpChat.Packet {
 
             sb.AppendFormat("2\t{0}\t-1\t0\fbanlist\f", DateTimeOffset.Now.ToUnixTimeSeconds());
 
-            foreach(MisuzuBanInfo ban in Bans) {
+            foreach(string ban in Bans)
-                string banStr = string.IsNullOrEmpty(ban.UserName) ? ban.RemoteAddress : ban.UserName;
+                sb.AppendFormat(@"<a href=""javascript:void(0);"" onclick=""Chat.SendMessageWrapper('/unban '+ this.innerHTML);"">{0}</a>, ", ban);
-                sb.AppendFormat(@"<a href=""javascript:void(0);"" onclick=""Chat.SendMessageWrapper('/unban '+ this.innerHTML);"">{0}</a>, ", banStr);
-            }
 
             if(Bans.Any())
                 sb.Length -= 2;

SharpChat/Packet/ChannelCreatePacket.cs

@@ -1,17 +1,27 @@
-namespace SharpChat.Packet {
+using System;
-    public class ChannelCreatePacket : ServerPacket {
-        public ChatChannel Channel { get; private set; }
 
-        public ChannelCreatePacket(ChatChannel channel) {
+namespace SharpChat.Packet {
-            Channel = channel;
+    public class ChannelCreatePacket : ServerPacket {
+        private readonly string ChannelName;
+        private readonly bool ChannelHasPassword;
+        private readonly bool ChannelIsTemporary;
+
+        public ChannelCreatePacket(
+            string channelName,
+            bool channelHasPassword,
+            bool channelIsTemporary
+        ) {
+            ChannelName = channelName ?? throw new ArgumentNullException(nameof(channelName));
+            ChannelHasPassword = channelHasPassword;
+            ChannelIsTemporary = channelIsTemporary;
         }
 
         public override string Pack() {
             return string.Format(
                 "4\t0\t{0}\t{1}\t{2}",
-                Channel.Name,
+                ChannelName,
-                Channel.HasPassword ? 1 : 0,
+                ChannelHasPassword ? 1 : 0,
-                Channel.IsTemporary ? 1 : 0
+                ChannelIsTemporary ? 1 : 0
             );
         }
     }

SharpChat/Packet/ChannelDeletePacket.cs

@@ -2,14 +2,14 @@
 
 namespace SharpChat.Packet {
     public class ChannelDeletePacket : ServerPacket {
-        public ChatChannel Channel { get; private set; }
+        private readonly string ChannelName;
 
-        public ChannelDeletePacket(ChatChannel channel) {
+        public ChannelDeletePacket(string channelName) {
-            Channel = channel ?? throw new ArgumentNullException(nameof(channel));
+            ChannelName = channelName ?? throw new ArgumentNullException(nameof(channelName));
         }
 
         public override string Pack() {
-            return string.Format("4\t2\t{0}", Channel.Name);
+            return string.Format("4\t2\t{0}", ChannelName);
         }
     }
 }

SharpChat/Packet/ChannelUpdatePacket.cs

@@ -1,20 +1,31 @@
-namespace SharpChat.Packet {
+using System;
-    public class ChannelUpdatePacket : ServerPacket {
-        public string PreviousName { get; private set; }
-        public ChatChannel Channel { get; private set; }
 
-        public ChannelUpdatePacket(string previousName, ChatChannel channel) {
+namespace SharpChat.Packet {
-            PreviousName = previousName;
+    public class ChannelUpdatePacket : ServerPacket {
-            Channel = channel;
+        private readonly string ChannelNamePrevious;
+        private readonly string ChannelNameNew;
+        private readonly bool ChannelHasPassword;
+        private readonly bool ChannelIsTemporary;
+
+        public ChannelUpdatePacket(
+            string channelNamePrevious,
+            string channelNameNew,
+            bool channelHasPassword,
+            bool channelIsTemporary
+        ) {
+            ChannelNamePrevious = channelNamePrevious ?? throw new ArgumentNullException(nameof(channelNamePrevious));
+            ChannelNameNew = channelNameNew ?? throw new ArgumentNullException(nameof(channelNameNew));
+            ChannelHasPassword = channelHasPassword;
+            ChannelIsTemporary = channelIsTemporary;
         }
 
         public override string Pack() {
             return string.Format(
                 "4\t1\t{0}\t{1}\t{2}\t{3}",
-                PreviousName,
+                ChannelNamePrevious,
-                Channel.Name,
+                ChannelNameNew,
-                Channel.HasPassword ? 1 : 0,
+                ChannelHasPassword ? 1 : 0,
-                Channel.IsTemporary ? 1 : 0
+                ChannelIsTemporary ? 1 : 0
             );
         }
     }

SharpChat/Packet/ChatMessageAddPacket.cs

@@ -2,29 +2,29 @@
 
 namespace SharpChat.Packet {
     public class ChatMessageAddPacket : ServerPacket {
-        public DateTimeOffset Created { get; }
+        private readonly DateTimeOffset Created;
-        public long UserId { get; }
+        private readonly long UserId;
-        public string Text { get; }
+        private readonly string Body;
-        public bool IsAction { get; }
+        private readonly bool IsAction;
-        public bool IsPrivate { get; }
+        private readonly bool IsPrivate;
 
         public ChatMessageAddPacket(
             long msgId,
             DateTimeOffset created,
             long userId,
-            string text,
+            string body,
             bool isAction,
             bool isPrivate
         ) : base(msgId) {
             Created = created;
             UserId = userId < 0 ? -1 : userId;
-            Text = text;
+            Body = body ?? throw new ArgumentNullException(nameof(body));
             IsAction = isAction;
             IsPrivate = isPrivate;
         }
 
         public override string Pack() {
-            string body = Text.Replace("<", "&lt;").Replace(">", "&gt;").Replace("\n", " <br/> ").Replace("\t", "    ");
+            string body = Body.Replace("<", "&lt;").Replace(">", "&gt;").Replace("\n", " <br/> ").Replace("\t", "    ");
             if(IsAction)
                 body = string.Format("<i>{0}</i>", body);
 

SharpChat/Packet/ChatMessageDeletePacket.cs

@@ -1,6 +1,6 @@
 namespace SharpChat.Packet {
     public class ChatMessageDeletePacket : ServerPacket {
-        public long EventId { get; private set; }
+        private readonly long EventId;
 
         public ChatMessageDeletePacket(long eventId) {
             EventId = eventId;

SharpChat/Packet/ContextChannelsPacket.cs

@@ -1,27 +1,27 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 
 namespace SharpChat.Packet {
     public class ContextChannelsPacket : ServerPacket {
-        public IEnumerable<ChatChannel> Channels { get; private set; }
+        public record ListEntry(string Name, bool HasPassword, bool IsTemporary);
 
-        public ContextChannelsPacket(IEnumerable<ChatChannel> channels) {
+        private readonly ListEntry[] Entries;
-            Channels = channels?.Where(c => c != null) ?? throw new ArgumentNullException(nameof(channels));
+
+        public ContextChannelsPacket(ListEntry[] entries) {
+            Entries = entries ?? throw new ArgumentNullException(nameof(entries));
         }
 
         public override string Pack() {
             StringBuilder sb = new();
 
-            sb.AppendFormat("7\t2\t{0}", Channels.Count());
+            sb.AppendFormat("7\t2\t{0}", Entries.Length);
 
-            foreach(ChatChannel channel in Channels)
+            foreach(ListEntry entry in Entries)
                 sb.AppendFormat(
                     "\t{0}\t{1}\t{2}",
-                    channel.Name,
+                    entry.Name,
-                    channel.HasPassword ? 1 : 0,
+                    entry.HasPassword ? 1 : 0,
-                    channel.IsTemporary ? 1 : 0
+                    entry.IsTemporary ? 1 : 0
                 );
 
             return sb.ToString();

SharpChat/Packet/ContextClearPacket.cs

@@ -8,14 +8,9 @@
     }
 
     public class ContextClearPacket : ServerPacket {
-        public ChatChannel Channel { get; private set; }
+        private readonly ContextClearMode Mode;
-        public ContextClearMode Mode { get; private set; }
 
-        public bool IsGlobal
+        public ContextClearPacket(ContextClearMode mode) {
-            => Channel == null;
-
-        public ContextClearPacket(ChatChannel channel, ContextClearMode mode) {
-            Channel = channel;
             Mode = mode;
         }
 

SharpChat/Packet/ContextMessagePacket.cs

@@ -3,9 +3,10 @@ using System;
 using System.Text;
 
 namespace SharpChat.Packet {
+    // this entire class is disgusting
     public class ContextMessagePacket : ServerPacket {
-        public StoredEventInfo Event { get; private set; }
+        private readonly StoredEventInfo Event;
-        public bool Notify { get; private set; }
+        private readonly bool Notify;
 
         public ContextMessagePacket(StoredEventInfo evt, bool notify = false) {
             Event = evt ?? throw new ArgumentNullException(nameof(evt));

SharpChat/Packet/ContextUsersPacket.cs

@@ -1,35 +1,35 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 
 namespace SharpChat.Packet {
     public class ContextUsersPacket : ServerPacket {
-        public IEnumerable<ChatUser> Users { get; private set; }
+        public record ListEntry(long Id, string Name, ChatColour Colour, int Rank, ChatUserPermissions Perms, bool Visible);
 
-        public ContextUsersPacket(IEnumerable<ChatUser> users) {
+        private readonly ListEntry[] Entries;
-            Users = users?.Where(u => u != null) ?? throw new ArgumentNullException(nameof(users));
+
+        public ContextUsersPacket(ListEntry[] entries) {
+            Entries = entries ?? throw new ArgumentNullException(nameof(entries));
         }
 
         public override string Pack() {
             StringBuilder sb = new();
 
-            sb.AppendFormat("7\t0\t{0}", Users.Count());
+            sb.AppendFormat("7\t0\t{0}", Entries.Length);
 
-            foreach(ChatUser user in Users)
+            foreach(ListEntry entry in Entries)
                 sb.AppendFormat(
                     "\t{0}\t{1}\t{2}\t{3} {4} {5} {6} {7}\t{8}",
-                    user.UserId,
+                    entry.Id,
-                    user.LegacyNameWithStatus,
+                    entry.Name,
-                    user.Colour,
+                    entry.Colour,
-                    user.Rank,
+                    entry.Rank,
-                    user.Can(ChatUserPermissions.KickUser) ? 1 : 0,
+                    entry.Perms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
-                    user.Can(ChatUserPermissions.ViewLogs) ? 1 : 0,
+                    entry.Perms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
-                    user.Can(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
+                    entry.Perms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
-                    user.Can(ChatUserPermissions.CreateChannel | ChatUserPermissions.SetChannelPermanent, true) ? 2 : (
+                    entry.Perms.HasFlag(ChatUserPermissions.CreateChannel) ? (
-                        user.Can(ChatUserPermissions.CreateChannel) ? 1 : 0
+                        entry.Perms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
-                    ),
+                    ) : 0,
-                    1 // visibility flag
+                    entry.Visible ? 1 : 0
                 );
 
             return sb.ToString();

SharpChat/Packet/ForceDisconnectPacket.cs

@@ -2,17 +2,21 @@
 
 namespace SharpChat.Packet {
     public class ForceDisconnectPacket : ServerPacket {
-        public DateTimeOffset? Expires { get; private set; }
+        private readonly DateTimeOffset Expires;
 
-        public ForceDisconnectPacket(DateTimeOffset? expires = null) {
+        public ForceDisconnectPacket() {
+            Expires = DateTimeOffset.MinValue;
+        }
+
+        public ForceDisconnectPacket(DateTimeOffset expires) {
             Expires = expires;
         }
 
         public override string Pack() {
-            if(Expires.HasValue)
+            if(Expires == DateTimeOffset.MinValue)
                 return string.Format(
                     "9\t1\t{0}",
-                    Expires.Value.Year >= 2100 ? -1 : Expires.Value.ToUnixTimeSeconds()
+                    Expires.Year >= 2100 ? -1 : Expires.ToUnixTimeSeconds()
                 );
 
             return "9\t0";

SharpChat/Packet/LegacyCommandResponse.cs

@@ -1,13 +1,11 @@
 using System;
-using System.Collections.Generic;
-using System.Linq;
 using System.Text;
 
 namespace SharpChat.Packet {
     public class LegacyCommandResponse : ServerPacket {
-        public bool IsError { get; private set; }
+        private readonly bool IsError;
-        public string StringId { get; private set; }
+        private readonly string StringId;
-        public IEnumerable<object> Arguments { get; private set; }
+        private readonly object[] Arguments;
 
         public LegacyCommandResponse(
             string stringId,
@@ -39,7 +37,6 @@ namespace SharpChat.Packet {
                 StringId == LCR.WELCOME ? LCR.BROADCAST : StringId
             );
 
-            if(Arguments?.Any() == true)
             foreach(object arg in Arguments)
                 sb.AppendFormat("\f{0}", arg);
 

SharpChat/Packet/UserChannelForceJoinPacket.cs

@@ -2,14 +2,14 @@
 
 namespace SharpChat.Packet {
     public class UserChannelForceJoinPacket : ServerPacket {
-        public ChatChannel Channel { get; private set; }
+        private readonly string ChannelName;
 
-        public UserChannelForceJoinPacket(ChatChannel channel) {
+        public UserChannelForceJoinPacket(string channelName) {
-            Channel = channel ?? throw new ArgumentNullException(nameof(channel));
+            ChannelName = channelName ?? throw new ArgumentNullException(nameof(channelName));
         }
 
         public override string Pack() {
-            return string.Format("5\t2\t{0}", Channel.Name);
+            return string.Format("5\t2\t{0}", ChannelName);
         }
     }
 }

SharpChat/Packet/UserChannelJoinPacket.cs

@@ -2,25 +2,39 @@
 
 namespace SharpChat.Packet {
     public class UserChannelJoinPacket : ServerPacket {
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
+        private readonly string UserName;
+        private readonly ChatColour UserColour;
+        private readonly int UserRank;
+        private readonly ChatUserPermissions UserPerms;
 
-        public UserChannelJoinPacket(ChatUser user) {
+        public UserChannelJoinPacket(
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            long userId,
+            string userName,
+            ChatColour userColour,
+            int userRank,
+            ChatUserPermissions userPerms
+        ) {
+            UserId = userId;
+            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
+            UserColour = userColour;
+            UserRank = userRank;
+            UserPerms = userPerms;
         }
 
         public override string Pack() {
             return string.Format(
                 "5\t0\t{0}\t{1}\t{2}\t{3} {4} {5} {6} {7}\t{8}",
-                User.UserId,
+                UserId,
-                User.LegacyNameWithStatus,
+                UserName,
-                User.Colour,
+                UserColour,
-                User.Rank,
+                UserRank,
-                User.Can(ChatUserPermissions.KickUser) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
-                User.Can(ChatUserPermissions.ViewLogs) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
-                User.Can(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
-                User.Can(ChatUserPermissions.CreateChannel | ChatUserPermissions.SetChannelPermanent, true) ? 2 : (
+                UserPerms.HasFlag(ChatUserPermissions.CreateChannel) ? (
-                    User.Can(ChatUserPermissions.CreateChannel) ? 1 : 0
+                    UserPerms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
-                ),
+                ) : 0,
                 SequenceId
             );
         }

SharpChat/Packet/UserChannelLeavePacket.cs

@@ -1,15 +1,13 @@
-using System;
+namespace SharpChat.Packet {
-
-namespace SharpChat.Packet {
     public class UserChannelLeavePacket : ServerPacket {
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
 
-        public UserChannelLeavePacket(ChatUser user) {
+        public UserChannelLeavePacket(long userId) {
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            UserId = userId;
         }
 
         public override string Pack() {
-            return string.Format("5\t1\t{0}\t{1}", User.UserId, SequenceId);
+            return string.Format("5\t1\t{0}\t{1}", UserId, SequenceId);
         }
     }
 }

SharpChat/Packet/UserConnectPacket.cs

@@ -2,28 +2,43 @@
 
 namespace SharpChat.Packet {
     public class UserConnectPacket : ServerPacket {
-        public DateTimeOffset Joined { get; private set; }
+        private readonly DateTimeOffset Joined;
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
+        private readonly string UserName;
+        private readonly ChatColour UserColour;
+        private readonly int UserRank;
+        private readonly ChatUserPermissions UserPerms;
 
-        public UserConnectPacket(DateTimeOffset joined, ChatUser user) {
+        public UserConnectPacket(
+            DateTimeOffset joined,
+            long userId,
+            string userName,
+            ChatColour userColour,
+            int userRank,
+            ChatUserPermissions userPerms
+        ) {
             Joined = joined;
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            UserId = userId;
+            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
+            UserColour = userColour;
+            UserRank = userRank;
+            UserPerms = userPerms;
         }
 
         public override string Pack() {
             return string.Format(
                 "1\t{0}\t{1}\t{2}\t{3}\t{4} {5} {6} {7} {8}\t{9}",
                 Joined.ToUnixTimeSeconds(),
-                User.UserId,
+                UserId,
-                User.LegacyNameWithStatus,
+                UserName,
-                User.Colour,
+                UserColour,
-                User.Rank,
+                UserRank,
-                User.Can(ChatUserPermissions.KickUser) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
-                User.Can(ChatUserPermissions.ViewLogs) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
-                User.Can(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
-                User.Can(ChatUserPermissions.CreateChannel | ChatUserPermissions.SetChannelPermanent, true) ? 2 : (
+                UserPerms.HasFlag(ChatUserPermissions.CreateChannel) ? (
-                    User.Can(ChatUserPermissions.CreateChannel) ? 1 : 0
+                    UserPerms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
-                ),
+                ) : 0,
                 SequenceId
             );
         }

SharpChat/Packet/UserDisconnectPacket.cs

@@ -9,21 +9,28 @@ namespace SharpChat.Packet {
     }
 
     public class UserDisconnectPacket : ServerPacket {
-        public DateTimeOffset Disconnected { get; private set; }
+        private readonly DateTimeOffset Disconnected;
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
-        public UserDisconnectReason Reason { get; private set; }
+        private readonly string UserName;
+        private readonly UserDisconnectReason Reason;
 
-        public UserDisconnectPacket(DateTimeOffset disconnected, ChatUser user, UserDisconnectReason reason) {
+        public UserDisconnectPacket(
+            DateTimeOffset disconnected,
+            long userId,
+            string userName,
+            UserDisconnectReason reason
+        ) {
             Disconnected = disconnected;
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            UserId = userId;
+            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
             Reason = reason;
         }
 
         public override string Pack() {
             return string.Format(
                 "3\t{0}\t{1}\t{2}\t{3}\t{4}",
-                User.UserId,
+                UserId,
-                User.LegacyNameWithStatus,
+                UserName,
                 Reason switch {
                     UserDisconnectReason.Leave => "leave",
                     UserDisconnectReason.TimeOut => "timeout",

SharpChat/Packet/UserUpdateNotificationPacket.cs

@@ -2,9 +2,9 @@
 
 namespace SharpChat.Packet {
     public class UserUpdateNotificationPacket : ServerPacket {
-        public string PreviousName { get; private set; }
+        private readonly string PreviousName;
-        public string NewName { get; private set; }
+        private readonly string NewName;
-        public DateTimeOffset Timestamp { get; }
+        private readonly DateTimeOffset Timestamp;
 
         public UserUpdateNotificationPacket(string previousName, string newName) {
             PreviousName = previousName ?? throw new ArgumentNullException(nameof(previousName));

SharpChat/Packet/UserUpdatePacket.cs

@@ -2,25 +2,39 @@
 
 namespace SharpChat.Packet {
     public class UserUpdatePacket : ServerPacket {
-        public ChatUser User { get; private set; }
+        private readonly long UserId;
+        private readonly string UserName;
+        private readonly ChatColour UserColour;
+        private readonly int UserRank;
+        private readonly ChatUserPermissions UserPerms;
 
-        public UserUpdatePacket(ChatUser user) {
+        public UserUpdatePacket(
-            User = user ?? throw new ArgumentNullException(nameof(user));
+            long userId,
+            string userName,
+            ChatColour userColour,
+            int userRank,
+            ChatUserPermissions userPerms
+        ) {
+            UserId = userId;
+            UserName = userName ?? throw new ArgumentNullException(nameof(userName));
+            UserColour = userColour;
+            UserRank = userRank;
+            UserPerms = userPerms;
         }
 
         public override string Pack() {
             return string.Format(
                 "10\t{0}\t{1}\t{2}\t{3} {4} {5} {6} {7}",
-                User.UserId,
+                UserId,
-                User.LegacyNameWithStatus,
+                UserName,
-                User.Colour,
+                UserColour,
-                User.Rank,
+                UserRank,
-                User.Can(ChatUserPermissions.KickUser) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.KickUser) ? 1 : 0,
-                User.Can(ChatUserPermissions.ViewLogs) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.ViewLogs) ? 1 : 0,
-                User.Can(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
+                UserPerms.HasFlag(ChatUserPermissions.SetOwnNickname) ? 1 : 0,
-                User.Can(ChatUserPermissions.CreateChannel | ChatUserPermissions.SetChannelPermanent, true) ? 2 : (
+                UserPerms.HasFlag(ChatUserPermissions.CreateChannel) ? (
-                    User.Can(ChatUserPermissions.CreateChannel) ? 1 : 0
+                    UserPerms.HasFlag(ChatUserPermissions.SetChannelPermanent) ? 2 : 1
-                )
+                ) : 0
             );
         }
     }

SharpChat/PacketHandlers/AuthHandler.cs

@@ -93,7 +93,7 @@ namespace SharpChat.PacketHandlers {
 
                 if(fbi.IsBanned && !fbi.HasExpired) {
                     Logger.Write($"<{ctx.Connection.Id}> User is banned.");
-                    ctx.Connection.Send(new AuthFailPacket(AuthFailReason.Banned, fbi));
+                    ctx.Connection.Send(new AuthFailPacket(fbi.ExpiresAt));
                     ctx.Connection.Dispose();
                     return;
                 }