/// <summary>
/// Returns whether or not an element is in-use. An element is considered in-use if it exists on a page or master page.
/// </summary>
/// <param name="tenantId">Tenant identifying a website.</param>
/// <param name="elementId">Element identifier.</param>
/// <param name="unitOfWork">Unit of work.</param>
/// <returns>True if element on master page or page, false if not.</returns>
private bool ElementInUse(long tenantId, long elementId, IUnitOfWork unitOfWork)
{
int count = _pageRepository.GetElementPageCount(tenantId, elementId, unitOfWork);
if (count == 0)
{
count = _masterPageRepository.GetElementMasterPageCount(tenantId, elementId, unitOfWork);
}
return(count > 0);
}