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GameServer/Contents/Party/PacketHandler/InvitePartyListPacketHandler.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+using PARTY_GUID = System.String;
+
+
+namespace GameServer.PacketHandler;
+
+[PacketHandler(typeof(ClientToGameReq), typeof(ClientToGameReq.Types.InvitePartyListReq), typeof(InvitePartyListPacketHandler), typeof(GameLoginListener))]
+public class InvitePartyListPacketHandler : PacketRecvHandler
+{
+    private static void send_S2C_ACK_INVITE_PARTY_LIST(Player owner, Result result, IReadOnlyList<InvitePartyState>? invites)
+    {
+        var ack_packet = new ClientToGame
+        {
+            Response = new ClientToGameRes
+            {
+                ErrorCode = result.ErrorCode,
+                InvitePartyListRes = new()
+            }
+        };
+
+        if (result.isSuccess() && null != invites)
+        {
+            ack_packet.Response.InvitePartyListRes.InvitePartyList.AddRange(invites);
+        }
+
+        GameServerApp.getServerLogic().onSendPacket(owner, ack_packet);
+    }
+
+    public override async Task<Result> onProcessPacket(ISession entityWithSession, IMessage recvMessage)
+    {
+        var result = new Result();
+        var entity_player = entityWithSession as Player;
+        NullReferenceCheckHelper.throwIfNull(entity_player, () => "player is null !!!");
+        
+        // 1. 기본 정보 체크
+        var request = (recvMessage as ClientToGame)?.Request.InvitePartyListReq;
+        if (null == request)
+        {
+            var err_msg = $"Failed to get request type !!! : {nameof(ClientToGame.Request.InvitePartyListReq)}";
+            result.setFail(ServerErrorCode.InvalidArgument, err_msg);
+            Log.getLogger().error(result.toBasicString());
+            send_S2C_ACK_INVITE_PARTY_LIST(entity_player, result, null);
+            
+            return result;
+        }
+        
+        // 2. invite recv list 획득
+        var invite_party_recv_action = entity_player.getEntityAction<PartyInvitePartyRecvAction>();
+        var list = await invite_party_recv_action.getPartyInvitePartyRecvs();
+        
+        var global_party = GameServerApp.getServerLogic().findGlobalEntity<GlobalParty>();
+        NullReferenceCheckHelper.throwIfNull(global_party, () => "global party is null !!!");
+
+        var global_party_action = global_party.getEntityAction<GlobalPartyAction>();
+        NullReferenceCheckHelper.throwIfNull(global_party_action, () => $"global party action is null !!! - {entity_player.toBasicString()} / {global_party.toBasicString()}");
+
+        var invites = new List<InvitePartyState>();
+        foreach (var recv in list)
+        {
+            // 2-1. party 정보 확인
+            var party_info = await global_party_action.getPartyLeaderGuidAndMemberCount(recv.Key);
+            if (PARTY_GUID.IsNullOrEmpty(party_info.leader_guid))
+            {
+                // recv 제거
+                await invite_party_recv_action.deleteInvitePartyRecv(recv.Key);
+            };
+            
+            // 2-2. 데이터 채우기
+            var invite_party_state = new InvitePartyState();
+            invite_party_state.InvitePartyGuid = recv.Key;
+            invite_party_state.InvitePartyLeaderNickname = party_info.leader_nickname;
+            invite_party_state.InvitePartyLeaderGuid = party_info.leader_guid;
+            invite_party_state.CurrentPartyMemberCount = party_info.member_count ?? 0;
+            invite_party_state.EndTime = recv.Value.AddMilliseconds(ServerCommon.Constant.KEEP_INVITEPARTY_TIME).ToTimestamp();
+
+            invites.Add(invite_party_state);
+        }
+        
+        send_S2C_ACK_INVITE_PARTY_LIST(entity_player, result, invites);
+        return result;
+    }
+}