public bool DeleteDirectPurchase(int purchaseId)
 {
     try
     {
         _purchaseRepository.DeleteDirectPurchase(purchaseId);
         return(true);
     }
     catch (Exception ex)
     {
         fault.Result       = false;
         fault.ErrorMessage = "Error in DeleteDirectPurchase method";
         fault.ErrorDetails = ex.ToString();
         throw new FaultException <FaultData>(fault);
     }
 }