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GameServer/Contents/Cart/PacketHandler/AddCartPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+
+
+using static ClientToGameReq.Types;
+using static ClientToGameRes.Types;
+
+
+using META_ID = System.UInt32;
+
+
+namespace GameServer.PacketHandler;
+
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.AddCartReq), typeof(AddCartPacketHandler), typeof(GameLoginListener))]
+public class AddCartPacketHandler : PacketRecvHandler
+{
+    public static bool send_S2C_ACK_ADD_CART(Player player, Result result, META_ID item_meta_id = 0, Int32 count = 0)
+    {
+        var ack_packet = new ClientToGame();
+        ack_packet.Response = new ClientToGameRes();
+
+        ack_packet.Response.ErrorCode = result.ErrorCode;
+        ack_packet.Response.AddCartRes = new AddCartRes();
+
+        if(count != 0 && item_meta_id != 0)
+        {
+            ack_packet.Response.AddCartRes.ChangeItem = new();
+            ack_packet.Response.AddCartRes.ChangeItem.ItemId = (Int32)item_meta_id;
+            ack_packet.Response.AddCartRes.ChangeItem.Count = count;
+        }
+
+        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
+    {
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var entity_player = entityWithSession as Player;
+        NullReferenceCheckHelper.throwIfNull(entity_player, () => $"entity_player is null !!!");
+
+        var cart_action = entity_player.getEntityAction<CartAction>();
+        if (cart_action == null)
+        {
+            err_msg = $"Failed to get cart action : {nameof(CartAction)}";
+            result.setFail(ServerErrorCode.EntityActionNotFound, err_msg);
+            Log.getLogger().error(err_msg);
+
+            send_S2C_ACK_ADD_CART(entity_player, result);
+            return result;
+        }
+
+        var game_msg = recvMessage as ClientToGame;
+        if (game_msg == null)
+        {
+            err_msg = $"Failed to cast ClientToGame !!! : {nameof(ClientToGame.Request.AddCartReq)}";
+            result.setFail(ServerErrorCode.ClassTypeCastIsNull, err_msg);
+            Log.getLogger().error(result.toBasicString());
+
+            send_S2C_ACK_ADD_CART(entity_player, result);
+            return result;
+        }
+
+        var request = game_msg.Request.AddCartReq;
+
+        if(EnumHelper.tryParse<CurrencyType>(request.ItemInfo.BuyType, out var currency_type) == false)
+        {
+            err_msg = $"is Not Defined currencyType !!! currencyType : {request.ItemInfo.BuyType} - {entity_player.toBasicString()}";
+            result.setFail(ServerErrorCode.CartInvalidCurrencyType, err_msg);
+            Log.getLogger().error(err_msg);
+            send_S2C_ACK_ADD_CART(entity_player, result);
+            return result;
+        }
+
+        result = await cart_action.AddCartProcess((META_ID)request.ItemInfo.ItemId, request.ItemInfo.Count, currency_type);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to AddCartProcess() !!! : {result.toBasicString()} - {entity_player.toBasicString()}";
+            Log.getLogger().error(err_msg);
+            return result;
+        }
+
+        return result;
+    }
+
+    public override async Task onProcessPacketException(ISession entityWithSession, IMessage recvMessage
+                               , Result errorResult)
+    {
+        await Task.CompletedTask;
+
+        var player = entityWithSession as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!! - {entityWithSession.toBasicString()}");
+
+        send_S2C_ACK_ADD_CART(player, errorResult);
+    }
+}