/// <summary>
/// Removes lock with the specified token from this item.
/// </summary>
/// <param name="lockToken">Lock with this token should be removed from the item.</param>
public async Task UnlockAsync(string lockToken)
{
if (string.IsNullOrEmpty(lockToken))
{
throw new DavException("Lock can not be found.", DavStatus.BAD_REQUEST);
}
List <DateLockInfo> locks = await GetLocksAsync(getAllWithExpired : true);
DateLockInfo lockInfo = locks.SingleOrDefault(x => x.LockToken == lockToken);
await RemoveExpiredLocksAsync(lockToken);
if (lockInfo == null || lockInfo.Expiration <= DateTime.UtcNow)
{
throw new DavException("The lock could not be found.", DavStatus.CONFLICT);
}
await context.eventsService.NotifyRefreshAsync(GetParentPath(Path));
}