public IEnumerable <StorageFileInfo> GetAllFiles(StorageFolderInfo folder)
{
var files = new List <StorageFileInfo>();
foreach (var childFolder in folder.ChildFolders)
{
files.AddRange(GetAllFiles(childFolder));
}
files.AddRange(folder.Files);
return(files);
}
internal StorageFolderInfo Convert(DirectoryInfo info, string root = null)
{
var folder =
new StorageFolderInfo()
{
Name = info.Name,
FullPath = info.FullName,
};
folder.RootFolder = root;
return(folder);
}
public void Traverse(StorageFolderInfo folder
, Action <StorageFolderInfo, StorageFileInfo> fileAction = null
, Action <StorageFolderInfo> folderAction = null)
{
for (int i = folder.Files.Count - 1; i >= 0; i--)
{
var file = folder.Files[i];
fileAction?.Invoke(folder, file);
}
for (int i = folder.ChildFolders.Count - 1; i >= 0; i--)
{
var childFolder = folder.ChildFolders[i];
Traverse(childFolder, fileAction, folderAction);
folderAction?.Invoke(childFolder);
}
}
public StorageFolderInfo CreateFolderCore(StorageFolderInfo folder, bool isTopOnly)
{
var current = new DirectoryInfo(folder.FullPath);
foreach (var directory in current.GetDirectories())
{
var childFolder = Convert(directory, folder.RootFolder);
childFolder.Parent = folder;
folder.ChildFolders.Add(childFolder);
if (!isTopOnly)
{
CreateFolderCore(childFolder, isTopOnly);
}
}
foreach (var file in current.GetFiles())
{
folder.Files.Add(Convert(file, folder.RootFolder));
}
return(folder);
}
/// <summary>
///
///
/// </summary>
/// <param name="compareSourceFolder"></param>
/// <param name="compareTargetFolder"></param>
/// <param name="forceDeleteFiles"></param>
public static void SyncFiles(
StorageFolderInfo clearFolder,
StorageFolderInfo compareFolder,
IList <string> forceDeleteFiles
)
{
var compareFiles = _storage.GetAllFiles(compareFolder);
var changeFileCount = 0;
_storage.Traverse(clearFolder,
(folder, file) =>
{
var hasSameFile = compareFiles
.Any((cmpFile) =>
cmpFile.RelativePath == file.RelativePath &&
cmpFile.LastWriteTime == file.LastWriteTime
);
//删除clearFolder里与compareFolder相同的文件
if (hasSameFile)
{
File.Delete(file.FullPath);
folder.Files.Remove(file);
}
else
{
if (forceDeleteFiles.Contains(file.Name))
{
Console.WriteLine($"force delete file {file.RelativePath}");
File.Delete(file.FullPath);
return;
}
changeFileCount++;
Console.WriteLine($"change file {file.RelativePath}");
//将不相同的文件复制到compareFolder
var newPath = compareFolder.RootFolder + file.RelativePath;
var newFolder = Path.GetDirectoryName(newPath);
if (!Directory.Exists(newFolder))
{
Directory.CreateDirectory(newFolder);
}
File.Copy(file.FullPath, newPath, true);
}
}
);
Console.WriteLine($"total change file {changeFileCount}");
//删除空文件夹
_storage.Traverse(clearFolder,
folderAction: (folder) =>
{
if (
folder.Parent != null &&
folder.Files.Count == 0 &&
folder.ChildFolders.Count == 0)
{
Directory.Delete(folder.FullPath);
folder.Parent.ChildFolders.Remove(folder);
}
}
);
}