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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);
+        }
+    }
+}