feat: initial ChannelSelection

Server/AuthSession.cs

@@ -10,6 +10,7 @@ public class AuthSession : TcpSession
 {
     private readonly ILogger<AuthSession> logger;
     private readonly IMediator mediator;
+    public Guid AccountId { get; set; }
 
     public AuthSession(TcpServer
         server, IMediator mediator, ILogger<AuthSession> logger) : base(server)

Server/PacketHandlers/ChannelSelectionHandler.cs

@@ -0,0 +1,33 @@
+namespace Server.PacketHandlers;
+
+using DB;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using NetCoreServer;
+using Packets.Incoming;
+
+public class ChannelSelectionHandler : IPacketHandler<ChannelSelectionPacket>
+{
+    private readonly IConfiguration configuration;
+    private readonly ILogger<ChannelSelectionHandler> logger;
+    private readonly WonderkingContext wonderkingContext;
+
+    public ChannelSelectionHandler(IConfiguration configuration, ILogger<ChannelSelectionHandler> logger,
+        WonderkingContext wonderkingContext)
+    {
+        this.configuration = configuration;
+        this.logger = logger;
+        this.wonderkingContext = wonderkingContext;
+    }
+
+    public ChannelSelectionHandler()
+    {
+    }
+
+    public Task HandleAsync(ChannelSelectionPacket packet, TcpSession session)
+    {
+        var authSession = (AuthSession)session;
+        var charactersOfAccount = this.wonderkingContext.Accounts.FirstOrDefault(a => a.Id == authSession.AccountId);
+        return Task.CompletedTask;
+    }
+}

Server/Packets/Incoming/ChannelSelectionPacket.cs

@@ -0,0 +1,16 @@
+namespace Server.Packets.Incoming;
+
+[PacketId(OperationCode.ChannelSelection)]
+public class ChannelSelectionPacket : IPacket
+{
+    public required ushort ServerId { get; set; }
+    public required ushort ChannelId { get; set; }
+
+    public void Deserialize(byte[] data)
+    {
+        this.ServerId = BitConverter.ToUInt16(data, 0);
+        this.ChannelId = BitConverter.ToUInt16(data, 2);
+    }
+
+    public byte[] Serialize() => throw new NotImplementedException();
+}

Server/Packets/OperationCode.cs

@@ -3,5 +3,6 @@
 public enum OperationCode : ushort
 {
     LoginInfo = 11,
-    LoginResponse = 12
+    LoginResponse = 12,
+    ChannelSelection
 }