public Meal Save(Meal rootToSave)
{
try
{
Find(rootToSave.Id());
throw new InvalidOperationException("meal with the save business identifier already exists");
}
catch (ArgumentException noMealFound)
{
ctx.Meals.Add(rootToSave);
ctx.SaveChanges();
return(Find(rootToSave.Id()));
}
}
public ItemPurchase Save(ItemPurchase rootToSave)
{
try
{
Find(rootToSave.Id());
throw new InvalidOperationException("item purchase with the same business identifier already exists");
}
catch (ArgumentException noItemPurchaseFound)
{
ctx.ItemPurchases.Add(rootToSave);
ctx.SaveChanges();
return(Find(rootToSave.Id()));
}
}
public void Delete(Item rootToDelete)
{
ctx.Items.Remove(rootToDelete);
ctx.SaveChanges();
}
