private static int GetSpecialsQuantity(CalculateTrolleyTotalCommand.RequestTrolley.TrolleyProductQuantity productQuantity, CalculateTrolleyTotalCommand.RequestTrolley.TrolleySpecial sps)
{
try
{
return(sps.Quantities.FirstOrDefault(x => x.Name == productQuantity.Name).Quantity);
}
catch
{
return(0);
}
}
private static decimal GetSpecialsPrice(CalculateTrolleyTotalCommand.RequestTrolley request,
CalculateTrolleyTotalCommand.RequestTrolley.TrolleyProductQuantity productQuantity, decimal priceWithoutSpecials)
{
var productPrice = priceWithoutSpecials;
try
{
var sps = FindApplicableSpecial(request, productQuantity);
if (SpecialsIncorrectlySetup(sps))
{
return(productPrice);
}
var specialSetQuantity = GetSpecialsQuantity(productQuantity, sps);
if (SpecialQuantityInvalid(specialSetQuantity))
{
return(productPrice);
}
var productsOverFlowingSpecial = productQuantity.Quantity % specialSetQuantity;
var productSpecialPrice = (productQuantity.Quantity / specialSetQuantity) * sps.Total;
var productOverFlowPrice = productsOverFlowingSpecial *
request.Products.OrderBy(x => x.Price).FirstOrDefault().Price;
productPrice = productOverFlowPrice + productSpecialPrice;
return(productPrice);
}
catch
{
return(priceWithoutSpecials);
}
}
private static decimal GerMarkedPrice(CalculateTrolleyTotalCommand.RequestTrolley request, CalculateTrolleyTotalCommand.RequestTrolley.TrolleyProductQuantity productQuantity)
{
return(productQuantity.Quantity * request.Products.OrderBy(x => x.Price).FirstOrDefault().Price);
}
private static CalculateTrolleyTotalCommand.RequestTrolley.TrolleySpecial FindApplicableSpecial(CalculateTrolleyTotalCommand.RequestTrolley request, CalculateTrolleyTotalCommand.RequestTrolley.TrolleyProductQuantity productQuantity)
{
try
{
return(request.Specials.Where(x => x.Quantities.Any(q => q.Name == productQuantity.Name)).OrderByDescending(x => x.Total).FirstOrDefault());
}
catch (Exception e)
{
return(null);
}
}