Package 업데이트 분리 작업 진행중

CommonLibrary/Packer.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.IO.Compression;
 using System.Linq;
@@ -30,7 +31,9 @@ namespace CommonLibrary
         }
 
         public override void Flush() => insideStream.Flush();
+
         public override long Seek(long offset, SeekOrigin origin) => insideStream.Seek(offset, origin);
+
         public override void SetLength(long value) => insideStream.SetLength(value);
 
         public override int Read(byte[] buffer, int offset, int count)
@@ -116,6 +119,62 @@ namespace CommonLibrary
                 }
             }
         }
+
+        public List<PackList> GetTopLevelItem(string packFileName)
+        {
+            List<PackList> packLists = new List<PackList>();
+
+            using (ZipArchive archive = ZipFile.OpenRead(packFileName))
+            {
+                // 최상위 항목들(폴더/파일명) 추출
+
+                var results = new List<PackList>();
+                var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+                foreach (var entry in archive.Entries)
+                {
+                    string path = entry.FullName.Replace('\\', '/');
+                    if (string.IsNullOrEmpty(path)) continue;
+
+                    int firstSlash = path.IndexOf('/');
+
+                    if (firstSlash < 0)
+                    {
+                        // ZIP 루트에 바로 들어있는 항목
+                        if (string.IsNullOrEmpty(entry.Name))
+                        {
+                            // 디렉터리 엔트리
+                            if (seen.Add(path.TrimEnd('/')))
+                                results.Add(new PackList { IsDirectory = true, Name = path.TrimEnd('/') });
+                        }
+                        else
+                        {
+                            // 파일
+                            if (seen.Add(path))
+                                results.Add(new PackList { IsDirectory = false, Name = path });
+                        }
+                    }
+                    else
+                    {
+                        // 하위 경로가 있음 → 최상위는 폴더
+                        string top = path.Substring(0, firstSlash);
+                        if (!string.IsNullOrEmpty(top) && seen.Add(top))
+                        {
+                            results.Add(new PackList { IsDirectory = true, Name = top });
+                        }
+                    }
+                }
+
+                return results;
+            }
+        }
+
+        public struct PackList
+
+        {
+            public bool IsDirectory { get; set; }
+            public string Name { get; set; }
+        }
     }
 
     public class BasicProgress<T> : IProgress<T>
@@ -132,4 +191,4 @@ namespace CommonLibrary
             actionHandler(value);
         }
     }
-}
+}