caliverse_server/GameServer/Contents/LandAuction/ProtocolHandler/LandAuctionCheckProtocolHandler.cs

using System.Net;


using Nettention.Proud;
using Google.Protobuf;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;


using static ClientToGameRes.Types;


using META_ID = System.UInt32;


namespace GameServer.PacketHandler;

[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_LAND_AUCTION_CHECK), typeof(LandAuctionCheckPacketHandler), typeof(GameLoginListener))]
public class LandAuctionCheckPacketHandler : PacketRecvHandler
{
    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_GS2C_ACK_LAND_AUCTION_CHECK(player, errorResult);
    }

    public static bool send_GS2C_ACK_LAND_AUCTION_CHECK(Player player, Result result, LandAuctionCheckResult? checkResult = null)
    {
        var ack_packet = new ClientToGame();
        ack_packet.Response = new ClientToGameRes();

        ack_packet.Response.ErrorCode = result.ErrorCode;

        var ack_msg = new GS2C_ACK_LAND_AUCTION_CHECK();
        ack_packet.Response.AckLandAuctionCheck = ack_msg;

        if (result.isSuccess())
        {
            ArgumentNullReferenceCheckHelper.throwIfNull(checkResult, () => $"checkResult is null !!! - {player.toBasicString()}");

            ack_msg.LandAutionInfo = checkResult.LandAuctionInfo;
            ack_msg.BidType = checkResult.LandAuctionBidType;
            ack_msg.CurrencyType = checkResult.MyBidCurrencyType;
            ack_msg.BidPrice = checkResult.MyBidPrice;
        }

        if (false == GameServerApp.getServerLogic().onSendPacket(player, ack_packet))
        {
            return false;
        }

        return true;
    }

    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
    {
        var player = entityWithSession as Player;
        ArgumentNullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        var req_msg = recvMessage as ClientToGame;
        ArgumentNullReferenceCheckHelper.throwIfNull(req_msg, () => $"req_msg is null !!! - {player.toBasicString()}");
        var request = req_msg.Request.ReqLandAuctionCheck;
        ArgumentNullReferenceCheckHelper.throwIfNull(request, () => $"request is null !!! - {player.toBasicString()}");

        var result = new Result();
        var err_msg = string.Empty;

        var server_logic = GameServerApp.getServerLogic();

        var fn_land_auction_check = async delegate ()
        {
            var result = new Result();
            var err_msg = string.Empty;

            var server_logic = GameServerApp.getServerLogic();
            var db_connector = server_logic.getDynamoDbClient();

            var to_check_land_meta_id = (META_ID)request.LandMetaId;

            (result, var auction_check_result)= await LandAuctionManager.It.tryCheckActivitingLandAuctionByMetaId(to_check_land_meta_id, player.getUserGuid());
            if(result.isFail())
            {
                err_msg = $"Failed to tryCheckActivitingLandAuctionByMetaId() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);

                send_GS2C_ACK_LAND_AUCTION_CHECK(player, result);
                return result;
            }
            NullReferenceCheckHelper.throwIfNull(auction_check_result, () => $"auction_check_result is null !!! - {player.toBasicString()}");

            var user_land_auction_action = player.getEntityAction<UserLandAuctionAction>();
            NullReferenceCheckHelper.throwIfNull(user_land_auction_action, () => $"user_land_auction_action is null !!! - {player.toBasicString()}");

            Log.getLogger().info($"Successsed LandAuctionManager.tryCheckLandAuctionByMetaId() !!! : {auction_check_result.LandAuctionInfo.toBasicString()} - {player.toBasicString()}");

            var auction_number = auction_check_result.LandAuctionInfo.AuctionNumber;

            (result, var found_refund_bid_price_doc) = await user_land_auction_action.findRefundBidPriceDoc(to_check_land_meta_id, auction_number);
            if (result.isSuccess())
            {
                if (null != found_refund_bid_price_doc)
                {
                    var refund_bid_price_attrib = found_refund_bid_price_doc.getAttrib<LandAuctionRefundBidPriceAttrib>();
                    NullReferenceCheckHelper.throwIfNull(refund_bid_price_attrib, () => $"refund_bid_price_attrib is null !!! - {player.toBasicString()}");
                    auction_check_result.MyBidCurrencyType = refund_bid_price_attrib.BidCurrencyType;
                    auction_check_result.MyBidPrice = refund_bid_price_attrib.LastBidPrice;
                }
            }

            send_GS2C_ACK_LAND_AUCTION_CHECK(player, result, auction_check_result);
            return result;
        };

        result = await player.runTransactionRunnerSafely(TransactionIdType.PrivateContents, "LandAuctionCheck", fn_land_auction_check);
        if (result.isFail())
        {
            err_msg = $"Failed to runTransactionRunnerSafely()!!! : {result.toBasicString()} - {player.toBasicString()}";
            Log.getLogger().error(err_msg);

            return result;
        }

        return result;
    }
}