///<inheritdoc>
public async Task UnlockAsync()
{
if (MsOfficeHelper.IsMsOfficeLocked(UserFileSystemPath)) // Required for PowerPoint. It does not block the for writing.
{
throw new ClientLockFailedException("The file is blocked for writing.");
}
ExternalDataManager customDataManager = Engine.CustomDataManager(UserFileSystemPath, Logger);
LockManager lockManager = customDataManager.LockManager;
// Set pending icon, so the user has a feedback as unlock operation may take some time.
await customDataManager.SetLockPendingIconAsync(true);
// Read lock-token from lock-info file.
string lockToken = (await lockManager.GetLockInfoAsync()).LockToken;
// Unlock the item in the remote storage.
try
{
await Program.DavClient.UnlockAsync(new Uri(RemoteStoragePath), lockToken);
}
catch (ITHit.WebDAV.Client.Exceptions.ConflictException)
{
// The item is already unlocked.
}
// Delete lock-mode and lock-token info.
lockManager.DeleteLock();
// Remove lock icon and lock info in custom columns.
await customDataManager.SetLockInfoAsync(null);
Logger.LogMessage("Unlocked in the remote storage succesefully", UserFileSystemPath);
}