/// <summary>
/// Displays custom columns in Windows file mnager.
/// </summary>
/// <param name="customColumnsData">list of columns to display.</param>
private async Task ShowCustomColumnsAsync(IEnumerable <FileSystemItemPropertyData> customColumnsData)
{
List <StorageProviderItemProperty> customColumns = new List <StorageProviderItemProperty>();
if (customColumnsData != null)
{
foreach (FileSystemItemPropertyData column in customColumnsData)
{
customColumns.Add(new StorageProviderItemProperty()
{
Id = column.Id,
// If value is empty Windows File Manager crushes.
Value = string.IsNullOrEmpty(column.Value) ? "-" : column.Value,
// If icon is not set Windows File Manager crushes.
IconResource = column.IconResource ?? Path.Combine(iconsFolderPath, "Blank.ico")
});
}
}
// This method may be called on temp files, typically created by MS Office, that exist for a short period of time.
IStorageItem storageItem = await FsPath.GetStorageItemAsync(userFileSystemPath);
if (storageItem == null)
{
// This method may be called on temp files, typically created by MS Office, that exist for a short period of time.
// StorageProviderItemProperties.SetAsync(null,) causes AccessViolationException
// which is not handled by .NET (nor handled by HandleProcessCorruptedStateExceptions) and causes a fatal crush.
return;
}
FileInfo file = new FileInfo(userFileSystemPath);
// Can not set provider properties on read-only files.
// Changing read-only attribute on folders triggers folders listing. Changing on files only.
bool readOnly = file.IsReadOnly;
// Remove read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = false;
//new FileInfo(userFileSystemPath).Attributes &= ~System.IO.FileAttributes.ReadOnly;
}
// Update columns data.
await StorageProviderItemProperties.SetAsync(storageItem, customColumns);
// Set read-only attribute.
if (readOnly && ((file.Attributes & System.IO.FileAttributes.Directory) == 0))
{
file.IsReadOnly = true;
//new FileInfo(userFileSystemPath).Attributes |= System.IO.FileAttributes.ReadOnly;
}
}
/// <summary>
/// Returns true if the file or folder is marked with Hidden or Temporaty attributes.
/// </summary>
/// <param name="path">Path to a file or folder.</param>
/// <returns>
/// True if the file or folder is marked with Hidden or Temporaty attributes.
/// Returns false if no Hidden or Temporaty attributes found or file/folder does not exists.
/// </returns>
private static bool IsHiddenOrTemp(string path)
{
if (!FsPath.Exists(path))
{
return(false);
}
FileAttributes att = File.GetAttributes(path);
return(((att & System.IO.FileAttributes.Hidden) != 0) ||
((att & System.IO.FileAttributes.Temporary) != 0));
}
/// <inheritdoc/>
public async Task MoveToCompletionAsync(IMoveCompletionContext moveCompletionContext, IResultContext resultContext)
{
string userFileSystemNewPath = this.UserFileSystemPath;
string userFileSystemOldPath = moveCompletionContext.SourcePath;
Logger.LogMessage($"{nameof(IFileSystemItem)}.{nameof(MoveToCompletionAsync)}()", userFileSystemOldPath, userFileSystemNewPath);
if (Engine.ChangesProcessingEnabled)
{
if (FsPath.Exists(userFileSystemNewPath))
{
FileSystemItemTypeEnum itemType = FsPath.GetItemType(userFileSystemNewPath);
await new RemoteStorageRawItem <TItemType>(userFileSystemNewPath, VirtualDrive, Logger).MoveToCompletionAsync();
}
}
}
/// <inheritdoc/>
public async Task CloseAsync(IOperationContext operationContext, IResultContext context)
{
// Here, if the file in the user file system is modified (not in-sync), you will send the file content,
// creation time, modification time and attributes to the remote storage.
// We also send ETag, to make sure the changes on the server, if any, are not overwritten.
Logger.LogMessage("IFile.CloseAsync()", UserFileSystemPath);
string userFileSystemFilePath = UserFileSystemPath;
// In case the file is moved it does not exist in user file system when CloseAsync() is called.
if (Engine.ChangesProcessingEnabled &&
FsPath.Exists(userFileSystemFilePath) &&
!FsPath.AvoidSync(userFileSystemFilePath))
{
// In case the file is overwritten it is converted to a regular file prior to CloseAsync().
// we need to convert it back into file/folder placeholder.
if (!PlaceholderItem.IsPlaceholder(userFileSystemFilePath))
{
PlaceholderItem.ConvertToPlaceholder(userFileSystemFilePath, false);
Logger.LogMessage("Converted to placeholder", userFileSystemFilePath);
}
try
{
if (PlaceholderItem.GetItem(userFileSystemFilePath).IsNew(VirtualDrive))
{
// Create new file in the remote storage.
await new RemoteStorageRawItem <IVirtualFile>(userFileSystemFilePath, VirtualDrive, Logger).CreateAsync();
}
else if (!PlaceholderItem.GetItem(userFileSystemFilePath).IsMoved())
{
// Send content to remote storage. Unlock if auto-locked.
await new RemoteStorageRawItem <IVirtualFile>(userFileSystemFilePath, VirtualDrive, Logger).UpdateAsync();
}
}
catch (IOException ex)
{
// Either the file is already being synced in another thread or client or server file is blocked by concurrent process.
// This is a normal behaviour.
// The file must be synched by your synchronyzation service at a later time, when the file becomes available.
Logger.LogMessage("Failed to upload file. Possibly in use by an application or blocked for synchronization in another thread:", ex.Message);
}
}
}
///<inheritdoc>
public async Task MoveToAsync(string userFileSystemNewPath, IOperationContext operationContext, IConfirmationResultContext resultContext)
{
string userFileSystemOldPath = this.UserFileSystemPath;
Logger.LogMessage($"{nameof(IFileSystemItem)}.{nameof(MoveToAsync)}()", userFileSystemOldPath, userFileSystemNewPath);
// Process move.
if (Engine.ChangesProcessingEnabled)
{
if (FsPath.Exists(userFileSystemOldPath))
{
await new RemoteStorageRawItem <TItemType>(userFileSystemOldPath, VirtualDrive, Logger).MoveToAsync(userFileSystemNewPath, resultContext);
}
}
else
{
resultContext.ReturnConfirmationResult();
}
}
public static FileSystemItemTypeEnum GetItemType(string path)
{
return(FsPath.IsFile(path) ? FileSystemItemTypeEnum.File : FileSystemItemTypeEnum.Folder);
}
/// <inheritdoc/>
public IClientNotifications ClientNotifications(string userFileSystemPath, ILogger logger)
{
FileSystemItemTypeEnum itemType = FsPath.GetItemType(userFileSystemPath);
return(GetRemoteStorageRawItem(userFileSystemPath, itemType, logger));
}
/// <inheritdoc/>
public void LogError(string message, string sourcePath = null, string targetPath = null, Exception ex = null)
{
string att = FsPath.Exists(sourcePath) ? FsPath.GetAttString(sourcePath) : null;
Log.Error($"\n{DateTimeOffset.Now} [{Thread.CurrentThread.ManagedThreadId,2}] {componentName,-26}{message,-45} {sourcePath,-80} {att} ", ex);
}
