public void DeleteSale(Sale sale)
{
var entitySale = _salesEntitiesList.FirstOrDefault(s => s.SaleID == sale.Id);
if (entitySale == null)
throw new ArgumentException("Cannot find current sale in data base");
_salesEntities.Sales.Remove(entitySale);
_salesEntities.SaveChanges();
_salesEntitiesList.Remove(entitySale);
}
public void ChangeSale(Sale sale, Manager newManger, Client newClient, Product newProduct)
{
var entitySale = _salesEntitiesList.FirstOrDefault(s => s.SaleID == sale.Id);
if (entitySale == null)
throw new ArgumentException("Cannot find current sale in data base");
entitySale.ManagerID = newManger.Id;
entitySale.ClientID = newClient.Id;
entitySale.ProductID = newProduct.Id;
_salesEntities.SaveChanges();
sale.SetManger(newManger);
sale.SetClient(newClient);
sale.SetProduct(newProduct);
}
