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FilesystemOperations.cs
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using Files.Common;
using Files.Enums;
using Files.Extensions;
using Files.Filesystem.FilesystemHistory;
using Files.Filesystem.StorageItems;
using Files.Helpers;
using Files.Interacts;
using FluentFTP;
using Microsoft.Toolkit.Uwp;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Windows.ApplicationModel.AppService;
using Windows.Foundation.Collections;
using Windows.Storage;
using Windows.UI.Xaml.Controls;
using FileAttributes = System.IO.FileAttributes;
namespace Files.Filesystem
{
public enum ImpossibleActionResponseTypes
{
Skip,
Abort
}
public class FilesystemOperations : IFilesystemOperations
{
#region Private Members
private IShellPage associatedInstance;
private ItemManipulationModel itemManipulationModel => associatedInstance.SlimContentPage?.ItemManipulationModel;
private RecycleBinHelpers recycleBinHelpers;
#endregion Private Members
#region Constructor
public FilesystemOperations(IShellPage associatedInstance)
{
this.associatedInstance = associatedInstance;
recycleBinHelpers = new RecycleBinHelpers();
}
#endregion Constructor
#region IFilesystemOperations
public async Task<(IStorageHistory, IStorageItem)> CreateAsync(IStorageItemWithPath source, IProgress<FileSystemStatusCode> errorCode, CancellationToken cancellationToken)
{
IStorageItem item = null;
try
{
switch (source.ItemType)
{
case FilesystemItemType.File:
{
var newEntryInfo = await RegistryHelper.GetNewContextMenuEntryForType(Path.GetExtension(source.Path));
if (newEntryInfo == null)
{
StorageFolder folder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(source.Path));
item = await folder.CreateFileAsync(Path.GetFileName(source.Path));
}
else
{
item = (await newEntryInfo.Create(source.Path, associatedInstance)).Result;
}
break;
}
case FilesystemItemType.Directory:
{
StorageFolder folder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(source.Path));
item = await folder.CreateFolderAsync(Path.GetFileName(source.Path));
break;
}
default:
Debugger.Break();
break;
}
errorCode?.Report(FileSystemStatusCode.Success);
return (new StorageHistory(FileOperationType.CreateNew, source.CreateEnumerable(), null), item);
}
catch (Exception e)
{
errorCode?.Report(FilesystemTasks.GetErrorCode(e));
return (null, null);
}
}
public async Task<IStorageHistory> CopyAsync(IStorageItem source,
string destination,
NameCollisionOption collision,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
return await CopyAsync(source.FromStorageItem(),
destination,
collision,
progress,
errorCode,
cancellationToken);
}
public async Task<IStorageHistory> CopyAsync(IStorageItemWithPath source,
string destination,
NameCollisionOption collision,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
if (destination.StartsWith(App.AppSettings.RecycleBinPath))
{
errorCode?.Report(FileSystemStatusCode.Unauthorized);
progress?.Report(100.0f);
// Do not paste files and folders inside the recycle bin
await DialogDisplayHelper.ShowDialogAsync(
"ErrorDialogThisActionCannotBeDone".GetLocalized(),
"ErrorDialogUnsupportedOperation".GetLocalized());
return null;
}
IStorageItem copiedItem = null;
//long itemSize = await FilesystemHelpers.GetItemSize(await source.ToStorageItem(associatedInstance));
if (source.ItemType == FilesystemItemType.Directory)
{
if (!string.IsNullOrWhiteSpace(source.Path) &&
Path.GetDirectoryName(destination).IsSubPathOf(source.Path)) // We check if user tried to copy anything above the source.ItemPath
{
var destinationName = destination.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries).Last();
var sourceName = source.Path.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries).Last();
ContentDialog dialog = new ContentDialog()
{
Title = "ErrorDialogThisActionCannotBeDone".GetLocalized(),
Content = $"{"ErrorDialogTheDestinationFolder".GetLocalized()} ({destinationName}) {"ErrorDialogIsASubfolder".GetLocalized()} (sourceName)",
//PrimaryButtonText = "ErrorDialogSkip".GetLocalized(),
CloseButtonText = "ErrorDialogCancel".GetLocalized()
};
ContentDialogResult result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.InProgress | FileSystemStatusCode.Success);
}
else
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.InProgress | FileSystemStatusCode.Generic);
}
return null;
}
else if (!FtpHelpers.IsFtpPath(destination) && !FtpHelpers.IsFtpPath(source.Path))
{
// CopyFileFromApp only works on file not directories
var fsSourceFolder = await source.ToStorageItemResult(associatedInstance);
var fsDestinationFolder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
var fsResult = (FilesystemResult)(fsSourceFolder.ErrorCode | fsDestinationFolder.ErrorCode);
if (fsResult)
{
var fsCopyResult = await FilesystemTasks.Wrap(() => CloneDirectoryAsync((StorageFolder)fsSourceFolder, (StorageFolder)fsDestinationFolder, fsSourceFolder.Result.Name, collision.Convert()));
if (fsCopyResult == FileSystemStatusCode.AlreadyExists)
{
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
progress?.Report(100.0f);
return null;
}
if (fsCopyResult)
{
if (FolderHelpers.CheckFolderForHiddenAttribute(source.Path))
{
// The source folder was hidden, apply hidden attribute to destination
NativeFileOperationsHelper.SetFileAttribute(fsCopyResult.Result.Path, FileAttributes.Hidden);
}
copiedItem = (StorageFolder)fsCopyResult;
}
fsResult = fsCopyResult;
}
if (fsResult == FileSystemStatusCode.Unauthorized)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "CopyItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", collision == NameCollisionOption.ReplaceExisting }
});
}
errorCode?.Report(fsResult.ErrorCode);
if (!fsResult)
{
return null;
}
}
else if (FtpHelpers.IsFtpPath(destination) && !FtpHelpers.IsFtpPath(source.Path))
{
var fsSourceFolder = await source.ToStorageItemResult(associatedInstance);
var ftpDestFolder = await new StorageFolderWithPath(null, destination).ToStorageItemResult(associatedInstance);
var fsCopyResult = await FilesystemTasks.Wrap(() => CloneDirectoryToFtpAsync((StorageFolder)fsSourceFolder, (FtpStorageFolder)ftpDestFolder.Result, collision.Convert()));
if (fsCopyResult == FileSystemStatusCode.AlreadyExists)
{
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
progress?.Report(100.0f);
return null;
}
errorCode?.Report(fsCopyResult ? FileSystemStatusCode.Success : FileSystemStatusCode.Generic);
progress?.Report(100.0f);
return null;
}
else
{
errorCode?.Report(FileSystemStatusCode.Generic);
return null;
}
}
else if (source.ItemType == FilesystemItemType.File && !string.IsNullOrEmpty(source.Path) && !FtpHelpers.IsFtpPath(destination))
{
var fsResult = (FilesystemResult)await Task.Run(() => NativeFileOperationsHelper.CopyFileFromApp(source.Path, destination, true));
if (!fsResult)
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
FilesystemResult<StorageFolder> destinationResult = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
var sourceResult = await source.ToStorageItemResult(associatedInstance);
fsResult = sourceResult.ErrorCode | destinationResult.ErrorCode;
if (fsResult)
{
var file = (StorageFile)sourceResult;
var fsResultCopy = new FilesystemResult<StorageFile>(null, FileSystemStatusCode.Generic);
if (string.IsNullOrEmpty(file.Path) && collision != NameCollisionOption.ReplaceExisting)
{
// Microsoft bug! When dragging files from .zip, "GenerateUniqueName" option is not respected and the file gets overwritten
fsResultCopy = await FilesystemTasks.Wrap(() => file.CopyAsync(destinationResult.Result, Path.GetFileName(file.Name), NameCollisionOption.FailIfExists).AsTask());
}
else
{
fsResultCopy = await FilesystemTasks.Wrap(() => file.CopyAsync(destinationResult.Result, Path.GetFileName(file.Name), collision).AsTask());
}
if (fsResultCopy == FileSystemStatusCode.AlreadyExists)
{
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
progress?.Report(100.0f);
return null;
}
if (fsResultCopy)
{
copiedItem = fsResultCopy.Result;
}
fsResult = fsResultCopy;
}
if (fsResult == FileSystemStatusCode.Unauthorized)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "CopyItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", collision == NameCollisionOption.ReplaceExisting }
});
}
}
errorCode?.Report(fsResult.ErrorCode);
if (!fsResult)
{
return null;
}
}
else if (string.IsNullOrEmpty(source.Path) && !FtpHelpers.IsFtpPath(destination))
{
var fsResult = source.Item is StorageFile file ? await FilesystemTasks.Wrap(async () =>
await file.CopyAsync(
await StorageFolder.GetFolderFromPathAsync(Path.GetDirectoryName(destination)),
file.Name,
collision)) : new FilesystemResult<StorageFile>(null, FileSystemStatusCode.Generic);
if (!fsResult)
{
errorCode?.Report(fsResult.ErrorCode);
return null;
}
}
else if (FtpHelpers.IsFtpPath(destination))
{
var ftpClient = associatedInstance.FilesystemViewModel.GetFtpInstance();
if (!await ftpClient.EnsureConnectedAsync())
{
errorCode?.Report(FileSystemStatusCode.Generic);
return null;
}
if (source.Item is StorageFile file)
{
void ReportFtpPorgress(object sender, FtpProgress p)
{
progress?.Report((float)p.Progress);
}
using var stream = await file.OpenStreamForReadAsync();
var ftpProgress = new Progress<FtpProgress>();
ftpProgress.ProgressChanged += ReportFtpPorgress;
var result = await ftpClient.UploadAsync(stream, FtpHelpers.GetFtpPath(destination), collision switch
{
NameCollisionOption.ReplaceExisting => FtpRemoteExists.Overwrite,
_ => FtpRemoteExists.Skip,
}, false, ftpProgress, cancellationToken);
ftpProgress.ProgressChanged -= ReportFtpPorgress;
if (result != FtpStatus.Success)
{
errorCode?.Report(FileSystemStatusCode.Generic);
return null;
}
}
}
else
{
errorCode?.Report(FileSystemStatusCode.Generic);
return null;
}
if (Path.GetDirectoryName(destination) == associatedInstance.FilesystemViewModel.WorkingDirectory.TrimPath())
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.DispatcherQueue.EnqueueAsync(async () =>
{
await Task.Delay(50); // Small delay for the item to appear in the file list
List<ListedItem> copiedListedItems = associatedInstance.FilesystemViewModel.FilesAndFolders
.Where(listedItem => destination.Contains(listedItem.ItemPath)).ToList();
if (copiedListedItems.Count > 0)
{
itemManipulationModel.AddSelectedItems(copiedListedItems);
itemManipulationModel.FocusSelectedItems();
}
}, Windows.System.DispatcherQueuePriority.Low);
}
progress?.Report(100.0f);
if (collision == NameCollisionOption.ReplaceExisting)
{
errorCode?.Report(FileSystemStatusCode.Success);
return null; // Cannot undo overwrite operation
}
var pathWithType = copiedItem.FromStorageItem(destination, source.ItemType);
return new StorageHistory(FileOperationType.Copy, source, pathWithType);
}
public async Task<IStorageHistory> MoveAsync(IStorageItem source,
string destination,
NameCollisionOption collision,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
return await MoveAsync(source.FromStorageItem(),
destination,
collision,
progress,
errorCode,
cancellationToken);
}
public async Task<IStorageHistory> MoveAsync(IStorageItemWithPath source,
string destination,
NameCollisionOption collision,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
if (source.Path == destination)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.Success);
return null;
}
if (string.IsNullOrWhiteSpace(source.Path))
{
// Can't move (only copy) files from MTP devices because:
// StorageItems returned in DataPackageView are read-only
// The item.Path property will be empty and there's no way of retrieving a new StorageItem with R/W access
return await CopyAsync(source, destination, collision, progress, errorCode, cancellationToken);
}
if (destination.StartsWith(App.AppSettings.RecycleBinPath))
{
errorCode?.Report(FileSystemStatusCode.Unauthorized);
progress?.Report(100.0f);
// Do not paste files and folders inside the recycle bin
await DialogDisplayHelper.ShowDialogAsync(
"ErrorDialogThisActionCannotBeDone".GetLocalized(),
"ErrorDialogUnsupportedOperation".GetLocalized());
return null;
}
IStorageItem movedItem = null;
//long itemSize = await FilesystemHelpers.GetItemSize(await source.ToStorageItem(associatedInstance));
if (source.ItemType == FilesystemItemType.Directory)
{
if (!string.IsNullOrWhiteSpace(source.Path) &&
Path.GetDirectoryName(destination).IsSubPathOf(source.Path)) // We check if user tried to move anything above the source.ItemPath
{
var destinationName = destination.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries).Last();
var sourceName = source.Path.Split(Path.DirectorySeparatorChar, StringSplitOptions.RemoveEmptyEntries).Last();
ContentDialog dialog = new ContentDialog()
{
Title = "ErrorDialogThisActionCannotBeDone".GetLocalized(),
Content = "ErrorDialogTheDestinationFolder".GetLocalized() + " (" + destinationName + ") " + "ErrorDialogIsASubfolder".GetLocalized() + " (" + sourceName + ")",
//PrimaryButtonText = "ErrorDialogSkip".GetLocalized(),
CloseButtonText = "ErrorDialogCancel".GetLocalized()
};
ContentDialogResult result = await dialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.InProgress | FileSystemStatusCode.Success);
}
else
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.InProgress | FileSystemStatusCode.Generic);
}
return null;
}
else
{
var fsResult = (FilesystemResult)await Task.Run(() => NativeFileOperationsHelper.MoveFileFromApp(source.Path, destination));
if (!fsResult)
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
var fsSourceFolder = await source.ToStorageItemResult(associatedInstance);
var fsDestinationFolder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
fsResult = fsSourceFolder.ErrorCode | fsDestinationFolder.ErrorCode;
if (fsResult)
{
var fsResultMove = await FilesystemTasks.Wrap(() => MoveDirectoryAsync((StorageFolder)fsSourceFolder, (StorageFolder)fsDestinationFolder, fsSourceFolder.Result.Name, collision.Convert(), true));
if (fsResultMove == FileSystemStatusCode.AlreadyExists)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
return null;
}
if (fsResultMove)
{
if (FolderHelpers.CheckFolderForHiddenAttribute(source.Path))
{
// The source folder was hidden, apply hidden attribute to destination
NativeFileOperationsHelper.SetFileAttribute(fsResultMove.Result.Path, FileAttributes.Hidden);
}
movedItem = (StorageFolder)fsResultMove;
}
fsResult = fsResultMove;
}
if (fsResult == FileSystemStatusCode.Unauthorized || fsResult == FileSystemStatusCode.ReadOnly)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", collision == NameCollisionOption.ReplaceExisting }
});
}
}
errorCode?.Report(fsResult.ErrorCode);
}
}
else if (source.ItemType == FilesystemItemType.File)
{
var fsResult = (FilesystemResult)await Task.Run(() => NativeFileOperationsHelper.MoveFileFromApp(source.Path, destination));
if (!fsResult)
{
Debug.WriteLine(System.Runtime.InteropServices.Marshal.GetLastWin32Error());
FilesystemResult<StorageFolder> destinationResult = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
var sourceResult = await source.ToStorageItemResult(associatedInstance);
fsResult = sourceResult.ErrorCode | destinationResult.ErrorCode;
if (fsResult)
{
var file = (StorageFile)sourceResult;
var fsResultMove = await FilesystemTasks.Wrap(() => file.MoveAsync(destinationResult.Result, Path.GetFileName(file.Name), collision).AsTask());
if (fsResultMove == FileSystemStatusCode.AlreadyExists)
{
progress?.Report(100.0f);
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
return null;
}
if (fsResultMove)
{
movedItem = file;
}
fsResult = fsResultMove;
}
if (fsResult == FileSystemStatusCode.Unauthorized || fsResult == FileSystemStatusCode.ReadOnly)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", collision == NameCollisionOption.ReplaceExisting }
});
}
}
errorCode?.Report(fsResult.ErrorCode);
}
if (Path.GetDirectoryName(destination) == associatedInstance.FilesystemViewModel.WorkingDirectory.TrimPath())
{
await Windows.ApplicationModel.Core.CoreApplication.MainView.DispatcherQueue.EnqueueAsync(async () =>
{
await Task.Delay(50); // Small delay for the item to appear in the file list
List<ListedItem> movedListedItems = associatedInstance.FilesystemViewModel.FilesAndFolders
.Where(listedItem => destination.Contains(listedItem.ItemPath)).ToList();
if (movedListedItems.Count > 0)
{
itemManipulationModel.AddSelectedItems(movedListedItems);
itemManipulationModel.FocusSelectedItems();
}
}, Windows.System.DispatcherQueuePriority.Low);
}
progress?.Report(100.0f);
if (collision == NameCollisionOption.ReplaceExisting)
{
return null; // Cannot undo overwrite operation
}
var pathWithType = movedItem.FromStorageItem(destination, source.ItemType);
return new StorageHistory(FileOperationType.Move, source, pathWithType);
}
public async Task<IStorageHistory> DeleteAsync(IStorageItem source,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
bool permanently,
CancellationToken cancellationToken)
{
return await DeleteAsync(source.FromStorageItem(),
progress,
errorCode,
permanently,
cancellationToken);
}
public async Task<IStorageHistory> DeleteAsync(IStorageItemWithPath source,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
bool permanently,
CancellationToken cancellationToken)
{
bool deleteFromRecycleBin = recycleBinHelpers.IsPathUnderRecycleBin(source.Path);
bool deleteFromFtp = FtpHelpers.IsFtpPath(source.Path);
FilesystemResult fsResult = FileSystemStatusCode.InProgress;
errorCode?.Report(fsResult);
progress?.Report(0.0f);
if (deleteFromFtp)
{
fsResult = await source.ToStorageItemResult(associatedInstance).OnSuccess(async (t) =>
{
await t.DeleteAsync();
return t;
});
errorCode?.Report(fsResult.ErrorCode);
progress?.Report(100.0f);
return null;
}
if (permanently)
{
fsResult = (FilesystemResult)NativeFileOperationsHelper.DeleteFileFromApp(source.Path);
}
if (!fsResult)
{
if (source.ItemType == FilesystemItemType.File)
{
fsResult = await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(source.Path)
.OnSuccess((t) => t.DeleteAsync(permanently ? StorageDeleteOption.PermanentDelete : StorageDeleteOption.Default).AsTask());
}
else if (source.ItemType == FilesystemItemType.Directory)
{
fsResult = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(source.Path)
.OnSuccess((t) => t.DeleteAsync(permanently ? StorageDeleteOption.PermanentDelete : StorageDeleteOption.Default).AsTask());
}
}
errorCode?.Report(fsResult);
if (fsResult == FileSystemStatusCode.Unauthorized)
{
// Try again with fulltrust process (non admin: for shortcuts and hidden files)
// Not neeeded if called after trying with ShellFilesystemOperations
/*var connection = await AppServiceConnectionHelper.Instance;
if (connection != null)
{
var (status, response) = await connection.SendMessageForResponseAsync(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "DeleteItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "permanently", permanently },
{ "HWND", NativeWinApiHelper.CoreWindowHandle.ToInt64() }
});
fsResult = (FilesystemResult)(status == AppServiceResponseStatus.Success
&& response.Get("Success", false));
var shellOpResult = JsonConvert.DeserializeObject<ShellOperationResult>(response.Get("Result", "{\"Items\": []}"));
fsResult &= (FilesystemResult)shellOpResult.Items.All(x => x.Succeeded);
}*/
if (!fsResult)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "DeleteItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "permanently", permanently },
{ "HWND", NativeWinApiHelper.CoreWindowHandle.ToInt64() }
});
}
}
else if (fsResult == FileSystemStatusCode.InUse)
{
// TODO: retry or show dialog
await DialogDisplayHelper.ShowDialogAsync("FileInUseDeleteDialog/Title".GetLocalized(), "FileInUseDeleteDialog/Text".GetLocalized());
}
if (deleteFromRecycleBin)
{
// Recycle bin also stores a file starting with $I for each item
string iFilePath = Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileName(source.Path).Replace("$R", "$I"));
await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(iFilePath)
.OnSuccess(iFile => iFile.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
errorCode?.Report(fsResult);
progress?.Report(100.0f);
if (fsResult)
{
await associatedInstance.FilesystemViewModel.RemoveFileOrFolderAsync(source.Path);
if (!permanently)
{
// Enumerate Recycle Bin
List<ShellFileItem> nameMatchItems, items = await recycleBinHelpers.EnumerateRecycleBin();
// Get name matching files
if (Path.GetExtension(source.Path) == ".lnk" || Path.GetExtension(source.Path) == ".url") // We need to check if it is a shortcut file
{
nameMatchItems = items.Where((item) => item.FilePath == Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileNameWithoutExtension(source.Path))).ToList();
}
else
{
nameMatchItems = items.Where((item) => item.FilePath == source.Path).ToList();
}
// Get newest file
ShellFileItem item = nameMatchItems.Where((item) => item.RecycleDate != null).OrderBy((item) => item.RecycleDate).FirstOrDefault();
return new StorageHistory(FileOperationType.Recycle, source, StorageItemHelpers.FromPathAndType(item?.RecyclePath, source.ItemType));
}
return new StorageHistory(FileOperationType.Delete, source, null);
}
else
{
// Stop at first error
return null;
}
}
public async Task<IStorageHistory> RenameAsync(IStorageItem source,
string newName,
NameCollisionOption collision,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
return await RenameAsync(StorageItemHelpers.FromStorageItem(source), newName, collision, errorCode, cancellationToken);
}
public async Task<IStorageHistory> RenameAsync(IStorageItemWithPath source,
string newName,
NameCollisionOption collision,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
if (Path.GetFileName(source.Path) == newName && collision == NameCollisionOption.FailIfExists)
{
errorCode?.Report(FileSystemStatusCode.AlreadyExists);
return null;
}
if (!string.IsNullOrWhiteSpace(newName)
&& !FilesystemHelpers.ContainsRestrictedCharacters(newName)
&& !FilesystemHelpers.ContainsRestrictedFileName(newName))
{
var renamed = await source.ToStorageItemResult(associatedInstance)
.OnSuccess(async (t) =>
{
if (t.Name.Equals(newName, StringComparison.CurrentCultureIgnoreCase))
{
await t.RenameAsync(newName, NameCollisionOption.ReplaceExisting);
}
else
{
await t.RenameAsync(newName, collision);
}
return t;
});
if (renamed)
{
errorCode?.Report(FileSystemStatusCode.Success);
return new StorageHistory(FileOperationType.Rename, source, renamed.Result.FromStorageItem());
}
else if (renamed == FileSystemStatusCode.Unauthorized)
{
// Try again with MoveFileFromApp
var destination = Path.Combine(Path.GetDirectoryName(source.Path), newName);
if (NativeFileOperationsHelper.MoveFileFromApp(source.Path, destination))
{
errorCode?.Report(FileSystemStatusCode.Success);
return new StorageHistory(FileOperationType.Rename, source, StorageItemHelpers.FromPathAndType(destination, source.ItemType));
}
else
{
var fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "RenameItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "newName", newName },
{ "overwrite", collision == NameCollisionOption.ReplaceExisting }
});
if (fsResult)
{
errorCode?.Report(FileSystemStatusCode.Success);
return new StorageHistory(FileOperationType.Rename, source, StorageItemHelpers.FromPathAndType(destination, source.ItemType));
}
}
}
else if (renamed == FileSystemStatusCode.NotAFile || renamed == FileSystemStatusCode.NotAFolder)
{
await DialogDisplayHelper.ShowDialogAsync("RenameError/NameInvalid/Title".GetLocalized(), "RenameError/NameInvalid/Text".GetLocalized());
}
else if (renamed == FileSystemStatusCode.NameTooLong)
{
await DialogDisplayHelper.ShowDialogAsync("RenameError/TooLong/Title".GetLocalized(), "RenameError/TooLong/Text".GetLocalized());
}
else if (renamed == FileSystemStatusCode.InUse)
{
// TODO: proper dialog, retry
await DialogDisplayHelper.ShowDialogAsync("FileInUseDeleteDialog/Title".GetLocalized(), "");
}
else if (renamed == FileSystemStatusCode.NotFound)
{
await DialogDisplayHelper.ShowDialogAsync("RenameError/ItemDeleted/Title".GetLocalized(), "RenameError/ItemDeleted/Text".GetLocalized());
}
else if (renamed == FileSystemStatusCode.AlreadyExists)
{
var ItemAlreadyExistsDialog = new ContentDialog()
{
Title = "ItemAlreadyExistsDialogTitle".GetLocalized(),
Content = "ItemAlreadyExistsDialogContent".GetLocalized(),
PrimaryButtonText = "ItemAlreadyExistsDialogPrimaryButtonText".GetLocalized(),
SecondaryButtonText = "ItemAlreadyExistsDialogSecondaryButtonText".GetLocalized(),
CloseButtonText = "ItemAlreadyExistsDialogCloseButtonText".GetLocalized()
};
if (UIHelpers.IsAnyContentDialogOpen())
{
// Only a single ContentDialog can be open at any time.
return null;
}
ContentDialogResult result = await ItemAlreadyExistsDialog.ShowAsync();
if (result == ContentDialogResult.Primary)
{
return await RenameAsync(source, newName, NameCollisionOption.GenerateUniqueName, errorCode, cancellationToken);
}
else if (result == ContentDialogResult.Secondary)
{
return await RenameAsync(source, newName, NameCollisionOption.ReplaceExisting, errorCode, cancellationToken);
}
}
errorCode?.Report(renamed);
}
return null;
}
public async Task<IStorageHistory> RestoreFromTrashAsync(IStorageItemWithPath source,
string destination,
IProgress<float> progress,
IProgress<FileSystemStatusCode> errorCode,
CancellationToken cancellationToken)
{
FilesystemResult fsResult = FileSystemStatusCode.InProgress;
errorCode?.Report(fsResult);
fsResult = (FilesystemResult)await Task.Run(() => NativeFileOperationsHelper.MoveFileFromApp(source.Path, destination));
if (!fsResult)
{
if (source.ItemType == FilesystemItemType.Directory)
{
FilesystemResult<StorageFolder> sourceFolder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(source.Path);
FilesystemResult<StorageFolder> destinationFolder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
fsResult = sourceFolder.ErrorCode | destinationFolder.ErrorCode;
errorCode?.Report(fsResult);
if (fsResult)
{
fsResult = await FilesystemTasks.Wrap(() => MoveDirectoryAsync(sourceFolder.Result, destinationFolder.Result, Path.GetFileName(destination),
CreationCollisionOption.FailIfExists, true));
// TODO: we could use here FilesystemHelpers with registerHistory false?
}
errorCode?.Report(fsResult);
}
else
{
FilesystemResult<StorageFile> sourceFile = await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(source.Path);
FilesystemResult<StorageFolder> destinationFolder = await associatedInstance.FilesystemViewModel.GetFolderFromPathAsync(Path.GetDirectoryName(destination));
fsResult = sourceFile.ErrorCode | destinationFolder.ErrorCode;
errorCode?.Report(fsResult);
if (fsResult)
{
fsResult = await FilesystemTasks.Wrap(() => sourceFile.Result.MoveAsync(destinationFolder.Result, Path.GetFileName(destination), NameCollisionOption.GenerateUniqueName).AsTask());
}
errorCode?.Report(fsResult);
}
if (fsResult == FileSystemStatusCode.Unauthorized || fsResult == FileSystemStatusCode.ReadOnly)
{
fsResult = await PerformAdminOperation(new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "MoveItem" },
{ "operationID", Guid.NewGuid().ToString() },
{ "filepath", source.Path },
{ "destpath", destination },
{ "overwrite", false }
});
}
}
if (fsResult)
{
// Recycle bin also stores a file starting with $I for each item
string iFilePath = Path.Combine(Path.GetDirectoryName(source.Path), Path.GetFileName(source.Path).Replace("$R", "$I"));
await associatedInstance.FilesystemViewModel.GetFileFromPathAsync(iFilePath)
.OnSuccess(iFile => iFile.DeleteAsync(StorageDeleteOption.PermanentDelete).AsTask());
}
errorCode?.Report(fsResult);
if (fsResult != FileSystemStatusCode.Success)
{
if (((FileSystemStatusCode)fsResult).HasFlag(FileSystemStatusCode.Unauthorized))
{
await DialogDisplayHelper.ShowDialogAsync("AccessDeniedDeleteDialog/Title".GetLocalized(), "AccessDeniedDeleteDialog/Text".GetLocalized());
}
else if (((FileSystemStatusCode)fsResult).HasFlag(FileSystemStatusCode.Unauthorized))
{
await DialogDisplayHelper.ShowDialogAsync("FileNotFoundDialog/Title".GetLocalized(), "FileNotFoundDialog/Text".GetLocalized());
}
else if (((FileSystemStatusCode)fsResult).HasFlag(FileSystemStatusCode.AlreadyExists))
{
await DialogDisplayHelper.ShowDialogAsync("ItemAlreadyExistsDialogTitle".GetLocalized(), "ItemAlreadyExistsDialogContent".GetLocalized());
}
}
return new StorageHistory(FileOperationType.Restore, source, StorageItemHelpers.FromPathAndType(destination, source.ItemType));
}
#endregion IFilesystemOperations
#region Helpers
private async static Task<StorageFolder> CloneDirectoryAsync(IStorageFolder sourceFolder, IStorageFolder destinationFolder, string sourceRootName, CreationCollisionOption collision = CreationCollisionOption.FailIfExists)
{
StorageFolder createdRoot = await destinationFolder.CreateFolderAsync(sourceRootName, collision);
destinationFolder = createdRoot;
foreach (IStorageFile fileInSourceDir in await sourceFolder.GetFilesAsync())
{
await fileInSourceDir.CopyAsync(destinationFolder, fileInSourceDir.Name, NameCollisionOption.GenerateUniqueName);
}
foreach (IStorageFolder folderinSourceDir in await sourceFolder.GetFoldersAsync())
{
await CloneDirectoryAsync(folderinSourceDir, destinationFolder, folderinSourceDir.Name);
}
return createdRoot;
}
private async static Task CloneDirectoryToFtpAsync(IStorageFolder sourceFolder, FtpStorageFolder destinationFolder, CreationCollisionOption collision = CreationCollisionOption.FailIfExists)
{
var result = await FilesystemTasks.Wrap(async () => await destinationFolder.CreateFolderAsync(sourceFolder.Name, collision));
if (result)
{
foreach (IStorageFile fileInSourceDir in await sourceFolder.GetFilesAsync())
{
await destinationFolder.UploadFileAsync(fileInSourceDir, fileInSourceDir.Name, NameCollisionOption.FailIfExists);
}
foreach (IStorageFolder folderinSourceDir in await sourceFolder.GetFoldersAsync())
{
await CloneDirectoryToFtpAsync(folderinSourceDir, destinationFolder.CloneWithPath($"{destinationFolder.Path}/{sourceFolder.Name}"));
}
}
}
private static async Task<StorageFolder> MoveDirectoryAsync(IStorageFolder sourceFolder, IStorageFolder destinationDirectory, string sourceRootName, CreationCollisionOption collision = CreationCollisionOption.FailIfExists, bool deleteSource = false)
{
StorageFolder createdRoot = await destinationDirectory.CreateFolderAsync(sourceRootName, collision);
destinationDirectory = createdRoot;
foreach (StorageFile fileInSourceDir in await sourceFolder.GetFilesAsync())
{
await fileInSourceDir.MoveAsync(destinationDirectory, fileInSourceDir.Name, NameCollisionOption.GenerateUniqueName);
}
foreach (StorageFolder folderinSourceDir in await sourceFolder.GetFoldersAsync())
{
await MoveDirectoryAsync(folderinSourceDir, destinationDirectory, folderinSourceDir.Name, collision, false);
}
if (deleteSource)
{
await sourceFolder.DeleteAsync(StorageDeleteOption.Default);
}
return createdRoot;
}