public bool DeletePurchaseEvent(int id)
{
if (PurchaseExists(id))
{
purchaseRepository.DeletePurchaseEvent(id);
return(true);
}
return(false);
}
public bool AddReturnEvent(ReturnEvent ev)
{
if (ev == null || InvalidEventData(ev))
{
return(false);
}
PurchaseEvent recentPurchase = GetClientRecentPurchaseOfSuchProduct(ev);
if (recentPurchase == null)
{
return(false);
}
returnRepository.AddReturnEvent(ev);
purchaseRepository.DeletePurchaseEvent(recentPurchase.Id);
return(true);
}