/// <summary>
/// Function to Calculate Price
/// </summary>
/// <param name="shoppingCart"></param>
/// <returns></returns>
public decimal CalculateTotalPrice(List <char> shoppingCart)
{
decimal finalPrice = 0.0M;
try
{
List <SKU> masterSKUList = GetMasterPriceList();
List <SKUQuntity> skuQuntities = new List <SKUQuntity>();
CalculatePrice calculatePrice = new CalculatePrice();
foreach (var item in shoppingCart)
{
SKU tempSKU = masterSKUList.Where(x => x.Unit.ToString().Equals(item.ToString())).FirstOrDefault();
if (tempSKU != null)
{
SKUQuntity tempSKUQuntity = skuQuntities.Where(x => x.SKU.Unit.ToString().Equals(item.ToString())).FirstOrDefault();
if (tempSKUQuntity != null)
{
tempSKUQuntity.Quntity++;
}
else
{
tempSKUQuntity = new SKUQuntity();
tempSKUQuntity.SKU = tempSKU;
tempSKUQuntity.Quntity = 1;
skuQuntities.Add(tempSKUQuntity);
}
}
}
finalPrice = calculatePrice.GetShoppingCartPriceList(skuQuntities);
}
catch (Exception)
{
//Add logging tool
throw;
}
return(finalPrice);
}
/// <summary>
/// Function to get total price for shopping list based on Promotion
/// </summary>
/// <param name="cartItems"></param>
/// <returns></returns>
public decimal GetShoppingCartPriceList(List <SKUQuntity> cartItems)
{
decimal totalPrice = 0.0M;
List <Promotion> activePromotions = _activePromotion.GetActivePromotion();
foreach (var item in cartItems)
{
if (item.ItemProcessed == false)
{
Promotion itemPromotion = activePromotions.Where(x => x.Unit.ToString().Equals(item.SKU.Unit.ToString())).FirstOrDefault();
if (itemPromotion != null)//Promotion Found for Product
{
int rem = (item.Quntity) % (itemPromotion.NumSKURequired);
int remainingQuntity = (item.Quntity) / (itemPromotion.NumSKURequired);
if (itemPromotion.IsDiscountInPercentage == false) //flat discount
{
if (itemPromotion.IsOtherSKURequired == false) //promotion is not depend of other SKU
{
if (remainingQuntity > 0)
{
decimal price = (item.Quntity * item.SKU.Price);
totalPrice = totalPrice + price - (remainingQuntity * itemPromotion.FlatDiscount);
}
else
{
totalPrice = totalPrice + (item.Quntity * item.SKU.Price);
}
}
else
{
//Depend on other so consider pricing with same item
SKUQuntity secondSKU = cartItems.Where(x => x.SKU.Unit.Equals(itemPromotion.OtherSKULookUp)).FirstOrDefault();
if (secondSKU != null)
{
decimal firstProductPrice = (item.Quntity * item.SKU.Price);
decimal secondProductPrice = (secondSKU.Quntity * secondSKU.SKU.Price);
totalPrice = totalPrice + firstProductPrice + secondProductPrice - itemPromotion.FlatDiscount;
secondSKU.ItemProcessed = true;
}
else
{
totalPrice = totalPrice + (item.Quntity * item.SKU.Price);
}
}
}
else
{
//Same logic can be apply to implement full logic like no of Quntity is required to get percentange discount
decimal price = (item.Quntity * item.SKU.Price);
totalPrice = totalPrice + price - ((price * itemPromotion.DiscountPercentage) / 100);
}
}
else
{
totalPrice = totalPrice + (item.Quntity * item.SKU.Price);
}
}
}
return(totalPrice);
}