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GameServer/Entity/Ranking/PacketHandler/GetUgcNpcRankPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+namespace GameServer.PacketHandler;
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.C2GS_REQ_UGC_NPC_RANK), typeof(GetUgcNpcRankPacketHandler), typeof(GameLoginListener))]
+public class GetUgcNpcRankPacketHandler : PacketRecvHandler
+{
+    public static bool send_GS2C_ACK_UGC_NPC_RANK(Player owner, Result result, UgcNpcRankType rankType, UgcNpcRankState rankState,  List<UgcNpcRank>? ranking)
+    {
+        var ack_packet = new ClientToGame();
+        ack_packet.Response = new ClientToGameRes();
+
+        ack_packet.Response.ErrorCode = result.ErrorCode;
+        ack_packet.Response.AckUgcNpcRank = new();
+        
+
+        if (result.isSuccess())
+        {
+            ack_packet.Response.AckUgcNpcRank.Type = rankType;
+            ack_packet.Response.AckUgcNpcRank.State = rankState;
+
+            ranking ??= new List<UgcNpcRank>();
+            ack_packet.Response.AckUgcNpcRank.UgcNpcRank.AddRange(ranking);   
+        }
+        
+        if (false == GameServerApp.getServerLogic().onSendPacket(owner, ack_packet))
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    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 server_logic = GameServerApp.getServerLogic();
+        
+        // 1. 기본 정보 체크
+        var request = (recvMessage as ClientToGame)?.Request.ReqUgcNpcRank;
+        if (null == request)
+        {
+            err_msg = $"Failed to get Request !!! : {nameof(ClientToGame.Request.ReqUgcNpcRank)}";
+            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
+            Log.getLogger().error(result.toBasicString());
+
+            send_GS2C_ACK_UGC_NPC_RANK(player,result, UgcNpcRankType.None, UgcNpcRankState.None, null);
+            return result;
+        }
+        
+        var ranking_entity = server_logic.findGlobalEntity<UgcNpcRankEntity>();
+        if (null == ranking_entity)
+        {
+            err_msg = $"Failed to get Request !!! : {nameof(ClientToGame.Request.ReqUgcNpcRank)}";
+            result.setFail(ServerErrorCode.UgcNpcRankEntityIsNotFound, err_msg);
+            Log.getLogger().error(result.toBasicString());
+
+            send_GS2C_ACK_UGC_NPC_RANK(player,result, request.Type, request.State, null);
+            return result;
+        }
+        
+        // 2. request validation 체크
+        if (false == checkRequestValidation(request))
+        {
+            err_msg = $"Failed to get Request !!! : {nameof(ClientToGame.Request.ReqUgcNpcRank)}";
+            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
+            Log.getLogger().error(result.toBasicString());
+
+            send_GS2C_ACK_UGC_NPC_RANK(player,result, request.Type, request.State, null);
+            return result;
+        }
+
+        // 3. ranking data 조회
+        (Result result, List<UgcNpcRank>? ranks) res_rank = new();
+        res_rank.result = result;
+        
+        switch (request.Type)
+        {
+            case UgcNpcRankType.Like:
+                var like_action = ranking_entity.getEntityAction<UgcNpcLikeRankAction>();
+                NullReferenceCheckHelper.throwIfNull(like_action, () => $"UgcNpcLikeRankAction is null !!! - player:{player.toBasicString()}");
+
+                res_rank = await like_action.getRanks(request.State);
+                break;
+            case UgcNpcRankType.Communication:
+                var communication_action = ranking_entity.getEntityAction<UgcNpcCommunicationRankAction>();
+                NullReferenceCheckHelper.throwIfNull(communication_action, () => $"UgcNpcCommunicationRankAction is null !!! - player:{player.toBasicString()}");
+
+                res_rank = await communication_action.getRanks(request.State);
+                break;
+            case UgcNpcRankType.Quest:
+                var quest_action = ranking_entity.getEntityAction<UgcNpcQuestRankAction>();
+                NullReferenceCheckHelper.throwIfNull(quest_action, () => $"UgcNpcQuestRankAction is null !!! - player:{player.toBasicString()}");
+
+                res_rank = await quest_action.getRanks(request.State);
+                break;
+        }
+
+        send_GS2C_ACK_UGC_NPC_RANK(player, res_rank.result, request.Type, request.State, res_rank.ranks);
+        
+        return result;
+    }
+
+    private bool checkRequestValidation(ClientToGameReq.Types.C2GS_REQ_UGC_NPC_RANK request)
+    {
+        // 1. state 체크
+        if (request.State == UgcNpcRankState.None) return false;
+        
+        // 2. type 체크
+        if (request.Type == UgcNpcRankType.None) return false;
+
+        return true;
+    }
+}