public void Update(Grocery groceryItem, bool autoCommit = true)
{
groceryItem = updateNextPurchaseDate(groceryItem);
groceryItemRepository.Update(groceryItem);
if (autoCommit) groceryItemRepository.Commit();
return;
}
public void Create(Grocery groceryItem)
{
groceryItem = updateNextPurchaseDate(groceryItem);
groceryItemRepository.Add(groceryItem);
groceryItemRepository.Commit();
return;
}
private Grocery updateNextPurchaseDate(Grocery grocery)
{
switch(grocery.PurchaseFrequency)
{
case PurchaseFrequency.Weekly:
grocery.NextPurchaseAt = grocery.LastPurchasedAt.AddDays(7);
break;
case PurchaseFrequency.EveryTwoWeeks:
grocery.NextPurchaseAt = grocery.LastPurchasedAt.AddDays(14);
break;
case PurchaseFrequency.EveryMonth:
grocery.NextPurchaseAt = grocery.LastPurchasedAt.AddMonths(1);
break;
case PurchaseFrequency.EveryTwoMonths:
grocery.NextPurchaseAt = grocery.LastPurchasedAt.AddMonths(2);
break;
default:
throw new Exception(string.Format("Invalid PurchaseFrequency ({0}) specified for grocery {1}.",
grocery.PurchaseFrequency, grocery.Name));
}
return grocery;
}
public void Delete(Grocery item)
{
groceryItemRepository.Delete(item);
groceryItemRepository.Commit();
}