/// <summary>
/// Recursively restores OriginalPath and the 'locked' icon.
/// </summary>
/// <param name="userFileSystemNewPath">Path in the user file system to start recursive processing.</param>
private async Task MoveToCompletionRecursiveAsync(string userFileSystemNewPath)
{
if (FsPath.IsFolder(userFileSystemNewPath))
{
if (!new DirectoryInfo(userFileSystemNewPath).Attributes.HasFlag(System.IO.FileAttributes.Offline))
{
//LogMessage("Folder offline, skipping:", userFileSystemFolderPath);
IEnumerable <string> userFileSystemChildren = Directory.EnumerateFileSystemEntries(userFileSystemNewPath, "*");
foreach (string userFileSystemChildPath in userFileSystemChildren)
{
try
{
await MoveToCompletionRecursiveAsync(userFileSystemChildPath);
}
catch (Exception ex)
{
logger.LogError("Failed to complete move", userFileSystemChildPath, null, ex);
}
}
}
}
if (FsPath.Exists(userFileSystemNewPath) && // This check is just to avoid extra error in the log.
!FsPath.IsRecycleBin(userFileSystemNewPath) && // When a file with content is deleted, it is moved to a Recycle Bin.
!FsPath.AvoidAutoLock(userFileSystemNewPath)) // No need to update temp MS Office docs.
{
// Open file to prevent reads and changes between GetFileDataSizeInfo() call and SetInSync() call.
using (WindowsFileSystemItem userFileSystemWinItem = WindowsFileSystemItem.OpenReadAttributes(userFileSystemNewPath, FileMode.Open, FileShare.None))
{
// If a file with content is deleted it is moved to a recycle bin and converted
// to a regular file, so placeholder features are not available on it, checking if a file is a placeholder.
if (/*updateTargetOnSuccess &&*/ PlaceholderItem.IsPlaceholder(userFileSystemNewPath))
{
PlaceholderItem placeholderNew = PlaceholderItem.GetItem(userFileSystemNewPath);
await virtualDrive.GetUserFileSystemRawItem(userFileSystemNewPath, logger).ClearStateAsync();
// Update OriginalPath if the item is not new.
// Required for pptx and xlsx files Save As operation.
if (!placeholderNew.IsNew(virtualDrive))
{
// Update OriginalPath, so the item does not appear as moved.
logger.LogMessage("Setting Original Path", userFileSystemNewPath);
placeholderNew.SetOriginalPath(userFileSystemNewPath);
}
// Restore the 'locked' icon.
ServerLockInfo existingLock = await virtualDrive.LockManager(userFileSystemNewPath, logger).GetLockInfoAsync();
await virtualDrive.GetUserFileSystemRawItem(userFileSystemNewPath, logger).SetLockInfoAsync(existingLock);
}
}
}
}
/// <summary>
/// Moves a file or folder placeholder in user file system.
/// </summary>
/// <param name="userFileSystemNewPath">New path in user file system.</param>
/// <remarks>
/// This method failes if the file or folder in user file system is modified (not in sync with the remote storage)
/// or if the target file exists.
/// </remarks>
public async Task MoveToAsync(string userFileSystemNewPath)
{
// Cloud Filter API does not provide a function to move a placeholder file only if it is not modified.
// The file may be modified between InSync call, Move() call and SetInSync() in this method.
try
{
// Because of the on-demand population the file or folder placeholder may not exist in the user file system.
if (FsPath.Exists(userFileSystemPath))
{
bool inSync = PlaceholderItem.GetItem(userFileSystemPath).GetInSync();
if (inSync)
{
string eTag = await ETag.GetETagAsync(userFileSystemPath);
ETag.DeleteETag(userFileSystemPath);
try
{
Directory.Move(userFileSystemPath, userFileSystemNewPath);
}
catch
{
await ETag.SetETagAsync(userFileSystemPath, eTag);
throw;
}
await ETag.SetETagAsync(userFileSystemNewPath, eTag);
// The file is marked as not in sync after move/rename. Marking it as in-sync.
PlaceholderItem placeholderItem = PlaceholderItem.GetItem(userFileSystemNewPath);
placeholderItem.SetInSync(true);
placeholderItem.SetOriginalPath(userFileSystemNewPath);
await new UserFileSystemRawItem(userFileSystemNewPath).ClearStateAsync();
}
if (!inSync)
{
throw new ConflictException(Modified.Client, "The item is not in-sync with the cloud.");
}
}
}
catch (Exception ex)
{
string path = FsPath.Exists(userFileSystemNewPath) ? userFileSystemNewPath : userFileSystemPath;
await new UserFileSystemRawItem(userFileSystemPath).SetDownloadErrorStateAsync(ex);
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
}
/// <summary>
/// Moves a file or folder placeholder in user file system.
/// </summary>
/// <param name="userFileSystemNewPath">New path in user file system.</param>
/// <remarks>
/// This method failes if the file or folder in user file system is modified (not in sync with the remote storage)
/// or if the target file exists.
/// </remarks>
/// <returns>True if the item was moved. False - otherwise.</returns>
public async Task <bool> MoveToAsync(string userFileSystemNewPath)
{
// Cloud Filter API does not provide a function to move a placeholder file only if it is not modified.
// The file may be modified between InSync call, Move() call and SetInSync() in this method.
bool itemMoved = false;
try
{
// Because of the on-demand population the file or folder placeholder may not exist in the user file system.
if (FsPath.Exists(userFileSystemPath))
{
bool inSync = PlaceholderItem.GetItem(userFileSystemPath).GetInSync();
if (inSync)
{
logger.LogMessage("Moving ETag", userFileSystemPath, userFileSystemNewPath);
await eTagManager.MoveToAsync(userFileSystemNewPath);
logger.LogMessage("Moving item", userFileSystemPath, userFileSystemNewPath);
await virtualDrive.Engine.ServerNotifications(userFileSystemPath).MoveToAsync(userFileSystemNewPath);
// The file is marked as not in sync after move/rename. Marking it as in-sync.
PlaceholderItem placeholderItem = PlaceholderItem.GetItem(userFileSystemNewPath);
placeholderItem.SetInSync(true);
placeholderItem.SetOriginalPath(userFileSystemNewPath);
await virtualDrive.GetUserFileSystemRawItem(userFileSystemNewPath, logger).ClearStateAsync();
itemMoved = true;
}
if (!inSync)
{
throw new ConflictException(Modified.Client, "The item is not in-sync with the cloud.");
}
}
}
catch (Exception ex)
{
string userFileSystemExPath = FsPath.Exists(userFileSystemNewPath) ? userFileSystemNewPath : userFileSystemPath;
await virtualDrive.GetUserFileSystemRawItem(userFileSystemExPath, logger).SetDownloadErrorStateAsync(ex);
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
return(itemMoved);
}
//$<IFileSystemItem.MoveToAsync
///<inheritdoc>
public async Task MoveToAsync(string userFileSystemNewPath, IOperationContext operationContext, IConfirmationResultContext resultContext)
{
string userFileSystemOldPath = this.UserFileSystemPath;
Logger.LogMessage("IFileSystemItem.MoveToAsync()", userFileSystemOldPath, userFileSystemNewPath);
// Process move.
if (Engine.ChangesProcessingEnabled)
{
if (FsPath.Exists(userFileSystemOldPath))
{
await new RemoteStorageRawItem(userFileSystemOldPath, VirtualDrive, Logger).MoveToAsync(userFileSystemNewPath, resultContext);
}
}
else
{
resultContext.ReturnConfirmationResult();
}
// Restore Original Path and locked icon, lost during MS Office transactional save.
if (FsPath.Exists(userFileSystemNewPath) && PlaceholderItem.IsPlaceholder(userFileSystemNewPath))
{
PlaceholderItem userFileSystemNewItem = PlaceholderItem.GetItem(userFileSystemNewPath);
if (!userFileSystemNewItem.IsNew() && string.IsNullOrEmpty(userFileSystemNewItem.GetOriginalPath()))
{
// Restore Original Path.
Logger.LogMessage("Saving Original Path", userFileSystemNewPath);
userFileSystemNewItem.SetOriginalPath(userFileSystemNewPath);
// Restore the 'locked' icon.
bool isLocked = await Lock.IsLockedAsync(userFileSystemNewPath);
ServerLockInfo existingLock = isLocked ? await(await Lock.LockAsync(userFileSystemNewPath, FileMode.Open, LockMode.None, Logger)).GetLockInfoAsync() : null;
await new UserFileSystemRawItem(userFileSystemNewPath).SetLockInfoAsync(existingLock);
}
}
}
internal async Task MoveToAsync(string userFileSystemNewPath, IConfirmationResultContext resultContext = null)
{
string userFileSystemOldPath = userFileSystemPath;
try
{
bool? inSync = null;
bool updateTargetOnSuccess = false;
string eTag = null;
try
{
if (!FsPath.IsRecycleBin(userFileSystemNewPath) && // When a file is deleted, it is moved to a Recycle Bin.
!FsPath.AvoidSync(userFileSystemOldPath) && !FsPath.AvoidSync(userFileSystemNewPath))
{
logger.LogMessage("Moving item in remote storage", userFileSystemOldPath, userFileSystemNewPath);
// Read In-Sync state before move and set after move
if (FsPath.Exists(userFileSystemOldPath))
{
inSync = PlaceholderItem.GetItem(userFileSystemOldPath).GetInSync();
}
eTag = await ETag.GetETagAsync(userFileSystemOldPath);
ETag.DeleteETag(userFileSystemOldPath);
IUserFileSystemItem userFileSystemItemOld = await virtualDrive.GetItemAsync <IUserFileSystemItem>(userFileSystemOldPath);
await userFileSystemItemOld.MoveToAsync(userFileSystemNewPath);
updateTargetOnSuccess = true;
logger.LogMessage("Moved succesefully in remote storage", userFileSystemOldPath, userFileSystemNewPath);
}
}
finally
{
if (resultContext != null)
{
resultContext.ReturnConfirmationResult();
}
// This check is just to avoid extra error in the log.
if (FsPath.Exists(userFileSystemNewPath))
{
// Open file to preven reads and changes between GetFileDataSizeInfo() call and SetInSync() call.
using (WindowsFileSystemItem userFileSystemWinItem = WindowsFileSystemItem.OpenReadAttributes(userFileSystemNewPath, FileMode.Open, FileShare.None))
{
if ((eTag != null) && PlaceholderItem.IsPlaceholder(userFileSystemNewPath))
{
await ETag.SetETagAsync(userFileSystemNewPath, eTag);
}
// If a file with content is deleted it is moved to a recycle bin and converted
// to a regular file, so placeholder features are not available on it, checking if a file is a placeholder.
if (updateTargetOnSuccess && PlaceholderItem.IsPlaceholder(userFileSystemNewPath))
{
PlaceholderItem placeholderNew = PlaceholderItem.GetItem(userFileSystemNewPath);
// Update OriginalPath, so the item does not appear as moved.
placeholderNew.SetOriginalPath(userFileSystemNewPath);
if (inSync != null)
{
placeholderNew.SetInSync(inSync.Value);
}
else if ((placeholderNew is PlaceholderFile) && ((PlaceholderFile)placeholderNew).GetFileDataSizeInfo().ModifiedDataSize == 0)
{
placeholderNew.SetInSync(true);
}
await new UserFileSystemRawItem(userFileSystemNewPath).ClearStateAsync();
}
}
}
}
}
catch (Exception ex)
{
string userFileSystemPath = FsPath.Exists(userFileSystemNewPath) ? userFileSystemNewPath : userFileSystemOldPath;
await new UserFileSystemRawItem(userFileSystemPath).SetUploadErrorStateAsync(ex);
// Rethrow the exception preserving stack trace of the original exception.
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex).Throw();
}
}
/// <summary>
/// Recursively synchronizes all files and folders moved in user file system with the remote storage.
/// Synchronizes only folders already loaded into the user file system.
/// </summary>
/// <param name="userFileSystemFolderPath">Folder path in user file system.</param>
internal async Task SyncronizeMovedAsync(string userFileSystemFolderPath)
{
// In case of on-demand loading the user file system contains only a subset of the server files and folders.
// Here we sync folder only if its content already loaded into user file system (folder is not offline).
// The folder content is loaded inside IFolder.GetChildrenAsync() method.
if (new DirectoryInfo(userFileSystemFolderPath).Attributes.HasFlag(System.IO.FileAttributes.Offline))
{
//LogMessage("Folder offline, skipping:", userFileSystemFolderPath);
return;
}
IEnumerable <string> userFileSystemChildren = Directory.EnumerateFileSystemEntries(userFileSystemFolderPath, "*");
//LogMessage("Synchronizing:", userFileSystemFolderPath);
foreach (string userFileSystemPath in userFileSystemChildren)
{
string userFileSystemOldPath = null;
try
{
//$<PlaceholderItem.IsPlaceholder
if (!PlaceholderItem.IsPlaceholder(userFileSystemPath))
{
// Convert regular file/folder to placeholder.
// The file/folder was created or overwritten.
PlaceholderItem.ConvertToPlaceholder(userFileSystemPath, false);
LogMessage("Converted to placeholder", userFileSystemPath);
}
//$>
if (!FsPath.AvoidSync(userFileSystemPath))
{
PlaceholderItem userFileSystemItem = PlaceholderItem.GetItem(userFileSystemPath);
if (userFileSystemItem.IsMoved())
{
// Process items moved in user file system.
userFileSystemOldPath = userFileSystemItem.GetOriginalPath();
await new RemoteStorageRawItem(userFileSystemOldPath, this).MoveToAsync(userFileSystemPath);
}
else
{
// Restore Original Path and 'locked' icon that are lost during MS Office transactional save.
// We keep Original Path to process moved files when app was not running.
userFileSystemOldPath = userFileSystemItem.GetOriginalPath();
if (!userFileSystemItem.IsNew() && string.IsNullOrEmpty(userFileSystemOldPath))
{
// Restore Original Path.
LogMessage("Saving Original Path", userFileSystemItem.Path);
userFileSystemItem.SetOriginalPath(userFileSystemItem.Path);
// Restore the 'locked' icon.
bool isLocked = await Lock.IsLockedAsync(userFileSystemPath);
await new UserFileSystemRawItem(userFileSystemPath).SetLockIconAsync(isLocked);
}
}
}
}
catch (Exception ex)
{
LogError("Move in remote storage failed", userFileSystemOldPath, userFileSystemPath, ex);
}
// Synchronize subfolders.
try
{
if (FsPath.IsFolder(userFileSystemPath))
{
await SyncronizeMovedAsync(userFileSystemPath);
}
}
catch (Exception ex)
{
LogError("Folder move sync failed", userFileSystemPath, null, ex);
}
}
}