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GameServer/Contents/ItemFunction/PacketHandler/BuyItemPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+using static ClientToGameReq.Types;
+using static ClientToGameRes.Types;
+
+
+namespace GameServer.PacketHandler;
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.BuyItemReq), typeof(BuyItemPacketHandler), typeof(GameLoginListener))]
+public class BuyItemPacketHandler : PacketRecvHandler
+{
+    private static void send_S2C_ACK_BUY_ITEM(Player player, Result result)
+    {
+        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+        ArgumentNullReferenceCheckHelper.throwIfNull(result, () => $"result is null !!! - {player.toBasicString()}");
+
+        var ack_packet = new ClientToGame
+        {
+            Response = new ClientToGameRes
+            {
+                ErrorCode = result.ErrorCode,
+                BuyItemRes = new ClientToGameRes.Types.BuyItemRes()
+            }
+        };
+
+        var item_buy_action = player.getEntityAction<ItemBuyAction>();
+        NullReferenceCheckHelper.throwIfNull(item_buy_action, () => $"item_buy_action is null !!! - {player.toBasicString()}");
+
+        if (result.isSuccess())
+        {
+            // 구매 아이템 리스트 획득
+            var buy_items = item_buy_action.BuyItems;
+            if (null != buy_items)
+            {
+                foreach (var item in buy_items.Select(info => info.toItemData4Client()))
+                {
+                    ack_packet.Response.BuyItemRes.Item.Add(item);
+                }
+            }
+
+            // char info 획득
+            var account_attribute = player.getOriginEntityAttribute<AccountAttribute>();
+            NullReferenceCheckHelper.throwIfNull(account_attribute, () => $"account_attribute is null !!! - {player.toBasicString()}");
+            var level_attribute = player.getOriginEntityAttribute<LevelAttribute>();
+            NullReferenceCheckHelper.throwIfNull(level_attribute, () => $"level_attribute is null !!! - {player.toBasicString()}");
+            var money_attribute = player.getOriginEntityAttribute<MoneyAttribute>();
+            NullReferenceCheckHelper.throwIfNull(money_attribute, () => $"money_attribute is null !!! - {player.toBasicString()}");
+            var nickname_attribute = player.getOriginEntityAttribute<NicknameAttribute>();
+            NullReferenceCheckHelper.throwIfNull(nickname_attribute, () => $"nickname_attribute is null !!! - {player.toBasicString()}");
+
+            var char_info = new CharInfo
+            {
+                Level = (int)level_attribute.Level,
+                Exp = (int)level_attribute.Exp,
+
+                Gold = money_attribute.Gold,
+                Sapphire = money_attribute.Sapphire,
+                Calium = money_attribute.Calium,
+                Ruby = money_attribute.Ruby,
+
+                Usergroup = account_attribute.AuthAdminLevelType.ToString(),
+                Operator = (int)account_attribute.AuthAdminLevelType,
+
+                DisplayName = nickname_attribute.Nickname,
+                LanguageInfo = (int)account_attribute.LanguageType,
+
+                IsIntroComplete = 1
+            };
+            ack_packet.Response.BuyItemRes.CurrencyInfo = char_info;
+        }
+
+        GameServerApp.getServerLogic().onSendPacket(player, ack_packet);
+    }
+
+    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
+    {
+        var result = new Result();
+        string err_msg;
+
+        var player = entityWithSession as Player;
+        
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+
+        var recv_msg = recvMessage as ClientToGame;
+        NullReferenceCheckHelper.throwIfNull(recv_msg, () => $"recv_msg is null !!! - {player.toBasicString()}");
+
+        var request = recv_msg.Request.BuyItemReq;
+        NullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");
+
+        var server_logic = GameServerApp.getServerLogic();
+        NullReferenceCheckHelper.throwIfNull(server_logic, () => $"server_logic is null !!! - {player.toBasicString()}");
+
+        var fn_item_buy = async delegate ()
+        {
+            var result = new Result();
+
+            var item_buy_action = player.getEntityAction<ItemBuyAction>();
+            NullReferenceCheckHelper.throwIfNull(item_buy_action, () => $"item_buy_action is null !!! - {player.toBasicString()}");
+
+            result = await item_buy_action.tryBuyItem((uint)request.ItemId, request.Count);
+            if (result.isFail())
+            {
+                err_msg = $"Failed to tryBuyItem() !!! : {result.toBasicString()} - {player.toBasicString()}";
+                Log.getLogger().error(err_msg);
+
+                send_S2C_ACK_BUY_ITEM(player, result);
+
+                return result;
+            }
+
+            // 3. DB 갱신
+            var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.ItemBuy
+                                                               , GameServerApp.getServerLogic().getDynamoDbClient()
+                                                               , true);
+            {
+                batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
+            }
+
+            result = await QueryHelper.sendQueryAndBusinessLog(batch);
+            send_S2C_ACK_BUY_ITEM(player, result);
+
+            return result;
+        };
+
+        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "ItemBuy", fn_item_buy);
+        if (result.isFail())
+        {
+            err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {player.toBasicString()}";
+            Log.getLogger().error(err_msg);
+
+            return result;
+        }
+
+        await QuestManager.It.QuestCheck(player, new QuestItem(EQuestEventTargetType.ITEM, EQuestEventNameType.BOUGHT, request.ItemId));
+
+        return result;
+    }
+}