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GameServer/Contents/Nickname/Action/NicknameAction.cs

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+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+
+
+using ServerCore;
+using ServerBase;
+using ServerCommon;
+using ServerCommon.BusinessLogDomain;
+using MetaAssets;
+
+
+using NICKNAME = System.String;
+
+
+namespace GameServer;
+
+public class NicknameAction : EntityActionBase
+{
+    public NicknameAction(Player owner)
+        : base(owner)
+    {
+    }
+
+    public override async Task<Result> onInit()
+    {
+        await Task.CompletedTask;
+
+        var result = new Result();
+
+        return result;
+    }
+
+    public override void onClear()
+    {
+        return;
+    }
+
+    public bool isCreatedNickname()
+    {
+        var owner = getOwner();
+        ArgumentNullException.ThrowIfNull(owner);
+
+        var nickname_attr = owner.getEntityAttribute<NicknameAttribute>();
+        ArgumentNullException.ThrowIfNull(nickname_attr);
+
+        var nickname = nickname_attr.Nickname;
+        if (true == nickname.isNullOrWhiteSpace())
+        {
+            return false;
+        }
+
+        return true;
+    }
+
+    public async Task<Result> tryChangeNickname(NICKNAME newNickname)
+    {
+        var player = getOwner() as Player;
+        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
+
+        var result = new Result();
+        var err_msg = string.Empty;
+
+        var server_logic = GameServerApp.getServerLogic();
+
+        var nickname_attribute = player.getEntityAttribute<NicknameAttribute>();
+        NullReferenceCheckHelper.throwIfNull(nickname_attribute, () => $"nickname_attribute is null !!! - {player.toBasicString()}");
+
+        var del_user_nickname_registry_doc = new UserNicknameRegistryDoc(nickname_attribute.Nickname);
+        result = await del_user_nickname_registry_doc.deleteDoc4Query();
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        var new_user_nickname_registry_doc = new UserNicknameRegistryDoc(newNickname);
+        result = await new_user_nickname_registry_doc.newDoc4Query();
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        var new_doc_user_nickname_attrib = new_user_nickname_registry_doc.getAttrib<UserNicknameRegistryAttrib>();
+        ArgumentNullException.ThrowIfNull(new_doc_user_nickname_attrib, $"new_doc_user_nickname_attrib is null !!! - {player.toBasicString()}");
+
+        var account_attribute = player.getEntityAttribute<AccountAttribute>();
+        ArgumentNullException.ThrowIfNull(account_attribute);
+
+        new_doc_user_nickname_attrib.Nickname = newNickname;
+        new_doc_user_nickname_attrib.UserGuid = player.getUserGuid();
+        new_doc_user_nickname_attrib.AccountId = account_attribute.AccountId;
+
+        nickname_attribute.Nickname = newNickname;
+        nickname_attribute.modifiedEntityAttribute();
+
+        var batch = new QueryBatchEx<QueryRunnerWithDocument>( player, LogActionType.CheatCommandChangeNickName
+                                                           , server_logic.getDynamoDbClient());
+        {
+            batch.addQuery(new DBQEntityDelete(del_user_nickname_registry_doc));
+            batch.addQuery(new DBQEntityWrite(new_user_nickname_registry_doc));
+            batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
+        }
+
+        result = await QueryHelper.sendQueryAndBusinessLog(batch);
+        if (result.isFail())
+        {
+            return result;
+        }
+
+        return result;
+    }
+
+    public NICKNAME getNickname()
+    {
+        var owner = getOwner();
+        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");
+
+        var nickname_attribute = owner.getEntityAttribute<NicknameAttribute>();
+        ArgumentNullException.ThrowIfNull(nickname_attribute, $"nickname_attribute is null !!! - {owner.toBasicString()}");
+
+        return nickname_attribute.Nickname;
+    }
+
+    public ServerErrorCode send_GS2C_NTF_NICKNAME_CHANGE(string nickName)
+    {
+        var owner = getOwner() as Player;
+        ArgumentNullException.ThrowIfNull(owner, $"owner is null !!!");
+
+        ClientToGame ntf_packet = new();
+        ntf_packet.Message = new();
+        ntf_packet.Message.ChangeNickNameNoti = new();
+        ntf_packet.Message.ChangeNickNameNoti.Guid = owner.getUserGuid();
+        ntf_packet.Message.ChangeNickNameNoti.NickName = nickName;
+
+        var game_zone_action = owner.getEntityAction<GameZoneAction>();
+        ArgumentNullException.ThrowIfNull(game_zone_action, $"game_zone_action is null !!! - {owner.toBasicString()}");
+
+        game_zone_action.broadcast(owner, ntf_packet);
+
+        return ServerErrorCode.Success;
+    }
+
+}

GameServer/Contents/Nickname/Action/SearchNicknameAction.cs

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+using Org.BouncyCastle.Asn1.Ocsp;
+using ServerCommon;
+using ServerCore; using ServerBase;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace GameServer
+{
+    internal class SearchNicknameAction : EntityActionBase
+    {
+        ConcurrentDictionary<int, List<string>> m_search_result_pages = new();
+        string m_latest_search_string = string.Empty;
+        int m_search_result_count = 0;
+
+        readonly int m_page_nickname_count = 10;        // GameConfigData.xlsx 에 추가되어야 함
+
+        public SearchNicknameAction(Player owner)
+            : base(owner)
+        {
+        }
+
+        public override async Task<Result> onInit()
+        {
+            await Task.CompletedTask;
+
+            var result = new Result();
+
+            return result;
+        }
+
+        public override void onClear()
+        {
+            return;
+        }
+
+        public int getSearchResultTotalPageCount()
+        {
+            return m_search_result_pages.Count;
+        }
+
+        public int getSearchResultCount()
+        {
+            return m_search_result_count;
+        }
+
+        public async Task<(Result, List<string>?)> trySearchNickname(string searchString, int pageNum)
+        {
+            var result = new Result();
+            var err_msg = string.Empty;
+
+            var result_page_num = pageNum;
+
+            if (m_latest_search_string != searchString || pageNum == 0)
+            {
+                m_search_result_pages.Clear();
+
+                // DB 에서 Search
+                (result, var search_result_nicknames) = await NicknameHelper.searchNicknameBeginWith(searchString);
+                if (result.isFail())
+                {
+                    err_msg = $"Failed to searchNicknameBeginWith() !!! : searchString:{searchString} : {this.getTypeName()}";
+                    Log.getLogger().error(err_msg);
+                    
+                    return (result, null);
+                }
+
+                NullReferenceCheckHelper.throwIfNull(search_result_nicknames, () => $"search_result_nicknames is null !!!");
+
+                m_search_result_count = search_result_nicknames.Count;
+
+                // Search 결과 Page 별 분할 저장
+                int last_page = 0;
+                var page_nicknames = new List<string>();
+                foreach (var nickname in search_result_nicknames)
+                {
+                    if (page_nicknames.Count == 0)
+                    {
+                        last_page++;
+                        m_search_result_pages.TryAdd(last_page, page_nicknames);
+                    }
+                    
+                    page_nicknames.Add(nickname);
+
+                    if (page_nicknames.Count >= m_page_nickname_count)
+                    {
+                        page_nicknames = new List<string>();
+                    }
+                }
+
+                m_latest_search_string = searchString;
+
+                if (pageNum == 0)
+                {
+                    result_page_num = 1;
+                }
+            }
+
+            // Page 에 맞는 Nickname들 얻어오기
+            if (!m_search_result_pages.TryGetValue(result_page_num, out var result_page_nicknames))
+            {
+                err_msg = $"Failed to m_search_result_nicknames.TryGetValue() !!! : pageNum:{result_page_num} : {this.getTypeName()}";
+                result.setFail(ServerErrorCode.UserNicknameSearchPageWrong, err_msg);
+                Log.getLogger().error(err_msg);
+
+                return (result, null);
+            }
+
+            return (result, result_page_nicknames);
+        }
+    }
+}