//Calculation of subtotals
public shoppingBagViewModel FindShoppingBagWithItems(int id)
{
shoppingBagViewModel bag = new shoppingBagViewModel();
bag.shoppingBag = FindShoppingBagById(id);;
bag.shoppingItems = shoppingItemRepository.GetItemsPerShoppingBag(id);
foreach (var item in bag.shoppingItems)
{
item.SISubTotal = item.SIQuantity * item.Product.PPrice;
}
bag.shoppingBag.SBTotalQuantity = bag.shoppingItems.Sum(sb => sb.SIQuantity);
bag.shoppingBag.SBSubTotal = bag.shoppingItems.Sum(sb => sb.SISubTotal);
//Calculation of the discount but only if items are higher then 2 => 5% or higher then 5 => 10%
if (bag.shoppingBag.SBTotalQuantity > 5)
{
bag.shoppingBag.SBDiscountPct = 10;
bag.shoppingBag.SBDiscount = bag.shoppingBag.SBSubTotal * bag.shoppingBag.SBDiscountPct / 100;
bag.shoppingBag.SBTotal = bag.shoppingBag.SBSubTotal - bag.shoppingBag.SBDiscount;
}
else
{
if (bag.shoppingBag.SBTotalQuantity > 2)
{
bag.shoppingBag.SBDiscountPct = 5;
bag.shoppingBag.SBDiscount = bag.shoppingBag.SBSubTotal * bag.shoppingBag.SBDiscountPct / 100;
bag.shoppingBag.SBTotal = bag.shoppingBag.SBSubTotal - bag.shoppingBag.SBDiscount;
}
else
{
bag.shoppingBag.SBDiscount = 0;
bag.shoppingBag.SBTotal = bag.shoppingBag.SBSubTotal;
}
}
return(bag);
}
public List <ShoppingItem> GetItemsPerShoppingBag(int id)
{
return(repository.GetItemsPerShoppingBag(id));
}