/// <summary>
/// This method returns final price after calculation based on all active promotions
/// </summary>
/// <param name="skuIdList">Input list of items</param>
/// <returns>total price</returns>
public int CalculateTotalPrice(List <char> skuIdList)
{
try
{
List <Promotion> promotions = _promotionService.GetAllActivePromotions();
var skuIdGroups = skuIdList.GroupBy(i => i.ToString());
int total = 0;
processedSKUList = new List <char>();
foreach (var skuIds in skuIdGroups)
{
List <Promotion> applicablePromoList = promotions.Where(p => p.SKUList.Any(s => s.ID.ToString() == skuIds.Key)).ToList();
int selectedSKUCount = skuIds.Count();
bool isPriceAdded = processedSKUList.Any(s => s == skuIds.Key.ToCharArray()[0]);
if (applicablePromoList.Count() > 0 && !isPriceAdded)
{
foreach (Promotion promotion in applicablePromoList)
{
if (promotion.SKUList.Any(s => s.ID.ToString() == skuIds.Key))
{
int discountPrice = promotion.DiscountPrice;
if (promotion.PromotionType == "Multi")
{
total += CalculatePriceMultiItemPromo(promotion, selectedSKUCount);
processedSKUList.Add(promotion.SKUList[0].ID);
break;
}
else if (promotion.PromotionType == "Combo")
{
total += CalculatePriceComboItemPromo(promotion, selectedSKUCount, skuIdGroups);
break;
}
}
}
}
else
{
if (!isPriceAdded)
{
SKU skuItem = _skuService.GetSKUByID(skuIds.Key.ToCharArray()[0]);
total += skuItem.Price;
processedSKUList.Add(skuIds.Key.ToCharArray()[0]);
}
}
}
return(total);
}
catch (Exception ex)
{
throw ex;
}
}
protected static void SelectItems()
{
try
{
Console.WriteLine();
Console.WriteLine("Select space separated items among A,B,C,D");
string item = Console.ReadLine();
var selectedList = item.Split(" ");
var isValidEntry = true;
foreach (var selItem in selectedList)
{
if (!string.IsNullOrEmpty(selItem))
{
SKU sku = _skuService.GetSKUByID(selItem.ToCharArray()[0]);
if (sku != null)
{
selectedSKUList.Add(selItem.ToUpper().ToCharArray()[0]);
}
else
{
isValidEntry = false;
Console.WriteLine(selItem + " is not valid item");
}
}
}
if (!isValidEntry)
{
SelectItems();
}
else
{
UserAction();
}
}
catch (Exception ex)
{
throw ex;
}
}