public int DaysToKeep(ProduceItem produceItem)
{
// could be replaced with binary search for better performance
return(Values
.Where(product => product.Has(produceItem.ProductCode))
.Select(product => product.DaysToKeep).FirstOrDefault());
}
public double SellingPriceOf(ProduceItem produceItem)
{
if (produceItem.UnitPrice == 0.0)
{
return(0);
}
var markup = MarkupOf(produceItem);
if (isPremiumSupplier(produceItem))
{
markup += _premiumSupplierMarkup;
}
var price = Math.Round(produceItem.UnitPrice * markup, 2);
if (isTroubleSupplier(produceItem))
{
price -= _troubleSupplierDiscountInRands;
}
if (isPremiumSupplier(produceItem))
{
price = Math.Ceiling(price);
}
return(price);
}
public double MarkupOf(ProduceItem produceItem)
{
// could be replaced with binary search for better performance
return(1 + Values
.Where(product => product.Has(produceItem.ProductCode))
.Select(product => product.Markup).FirstOrDefault());
}
public DateTime SellByDateOf(ProduceItem produceItem)
{
var sellBy = produceItem.DeliveryDate.AddDays(DaysToKeep(produceItem));
if (isTroubleSupplier(produceItem))
{
sellBy = sellBy.AddDays(-3);
}
return(sellBy);
}
private bool isTroubleSupplier(ProduceItem produceItem)
{
return(_troubleSuppliers.Contains(produceItem.SupplierId));
}
private bool isPremiumSupplier(ProduceItem produceItem)
{
return(_premiumSuppliers.Contains(produceItem.SupplierId));
}