public async Task <IStorageHistory> RestoreFromTrashAsync(IStorageItemWithPath source, string destination, IProgress <float> progress, IProgress <FileSystemStatusCode> errorCode, CancellationToken cancellationToken)
{
var connection = await AppServiceConnectionHelper.Instance;
if (connection == null || string.IsNullOrWhiteSpace(source.Path) || source.Path.StartsWith(@"\\?\") || string.IsNullOrWhiteSpace(destination) || destination.StartsWith(@"\\?\"))
{
// Fallback to builtin file operations
return(await filesystemOperations.RestoreFromTrashAsync(source, destination, progress, errorCode, cancellationToken));
}
var operationID = Guid.NewGuid().ToString();
using var _ = cancellationToken.Register(CancelOperation, operationID, false);
EventHandler <Dictionary <string, object> > handler = (s, e) => OnProgressUpdated(s, e, progress);
connection.RequestReceived += handler;
var(status, response) = await connection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveItem" },
{ "operationID", operationID },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", false }
});
var result = (FilesystemResult)(status == AppServiceResponseStatus.Success &&
response.Get("Success", false));
if (connection != null)
{
connection.RequestReceived -= handler;
}
if (result)
{
progress?.Report(100.0f);
var movedItems = JsonConvert.DeserializeObject <IEnumerable <string> >(response["MovedItems"] as string);
errorCode?.Report(FileSystemStatusCode.Success);
if (movedItems != null && movedItems.Count() == 1)
{
// Recycle bin also stores a file starting with $I for each item
await DeleteAsync(StorageItemHelpers.FromPathAndType(
Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileName(source.Path).Replace("$R", "$I")), source.ItemType),
null, null, true, cancellationToken);
return(new StorageHistory(FileOperationType.Restore, source,
StorageItemHelpers.FromPathAndType(movedItems.Single(), source.ItemType)));
}
return(null); // Cannot undo overwrite operation
}
else
{
// Retry failed operations
return(await filesystemOperations.RestoreFromTrashAsync(source, destination, progress, errorCode, cancellationToken));
}
}
public async Task <IStorageHistory> RestoreFromTrashAsync(IStorageItemWithPath source, string destination, IProgress <float> progress, IProgress <FileSystemStatusCode> errorCode, CancellationToken cancellationToken)
{
var connection = await AppServiceConnectionHelper.Instance;
if (connection == null || string.IsNullOrWhiteSpace(source.Path) || source.Path.StartsWith(@"\\?\", StringComparison.Ordinal) || string.IsNullOrWhiteSpace(destination) || destination.StartsWith(@"\\?\", StringComparison.Ordinal) || FtpHelpers.IsFtpPath(destination))
{
// Fallback to builtin file operations
return(await filesystemOperations.RestoreFromTrashAsync(source, destination, progress, errorCode, cancellationToken));
}
var operationID = Guid.NewGuid().ToString();
using var r = cancellationToken.Register(CancelOperation, operationID, false);
EventHandler <Dictionary <string, object> > handler = (s, e) => OnProgressUpdated(s, e, operationID, progress);
connection.RequestReceived += handler;
var moveResult = new ShellOperationResult();
var(status, response) = await connection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveItem" },
{ "operationID", operationID },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", false },
{ "HWND", NativeWinApiHelper.CoreWindowHandle.ToInt64() }
});
var result = (FilesystemResult)(status == AppServiceResponseStatus.Success &&
response.Get("Success", false));
var shellOpResult = JsonConvert.DeserializeObject <ShellOperationResult>(response.Get("Result", ""));
moveResult.Items.AddRange(shellOpResult?.Items ?? Enumerable.Empty <ShellOperationItemResult>());
if (connection != null)
{
connection.RequestReceived -= handler;
}
result &= (FilesystemResult)moveResult.Items.All(x => x.Succeeded);
if (result)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.Success);
var movedSources = moveResult.Items.Where(x => new[] { source }.Select(s => s.Path).Contains(x.Source)).Where(x => x.Succeeded && x.Destination != null && x.Source != x.Destination);
if (movedSources.Any())
{
// Recycle bin also stores a file starting with $I for each item
await DeleteItemsAsync(movedSources.Select(src => StorageHelpers.FromPathAndType(
Path.Combine(Path.GetDirectoryName(src.Source), Path.GetFileName(src.Source).Replace("$R", "$I", StringComparison.Ordinal)),
new[] { source }.Single(s => s.Path == src.Source).ItemType)), null, null, true, cancellationToken);
return(new StorageHistory(FileOperationType.Restore, source,
StorageHelpers.FromPathAndType(movedSources.Single().Destination, source.ItemType)));
}
return(null); // Cannot undo overwrite operation
}
else
{
// Retry failed operations
return(await filesystemOperations.RestoreFromTrashAsync(source, destination, progress, errorCode, cancellationToken));
}
}
