public static IList <CustomItemInfo> BuildCustomLines(IList <DTOOrderItem> items,
double orderWeightOz,
string defaultCustomType,
bool oneLine = false)
{
var nonAdjustedWeight = items.Sum(i => i.Weight * i.Quantity);
var weightDelta = nonAdjustedWeight - orderWeightOz;
var itemCount = items.Sum(i => i.Quantity);
var adjustingWeight = weightDelta / itemCount; //1 / (float)items.Count;
//Adjustment items weight / convert prices
foreach (var item in items)
{
item.ItemPrice = PriceHelper.RougeConvertToUSD(item.ItemPriceCurrency, item.ItemPrice);
item.Weight -= adjustingWeight;
}
ShippingUtils.FixUpItemPrices(items);
var lines = CustomsHelper.PrepareLines(items);
var results = lines.Select(i => new CustomItemInfo
{
Title = StringHelper.GetFirstNotEmpty(i.ItemStyle, defaultCustomType),
Quantity = i.Quantity,
ItemPrice = i.ItemPrice,
PerItemPrice = i.Quantity != 0 ? PriceHelper.RoundToTwoPrecision(i.ItemPrice / i.Quantity) : 0,
Weight = (decimal)i.Weight,
SKU = i.SKU,
Country = "US",
}).ToArray();
if (oneLine)
{
results = results.GroupBy(r => r.Title).Select(r => new CustomItemInfo()
{
Title = r.Key,
Quantity = r.Sum(i => i.Quantity),
ItemPrice = r.Sum(i => i.ItemPrice),
PerItemPrice = r.Sum(i => i.Quantity) != 0 ?
PriceHelper.RoundToTwoPrecision(r.Sum(i => i.ItemPrice) / r.Sum(i => i.Quantity))
: 0,
Weight = r.Sum(i => i.Weight),
SKU = r.FirstOrDefault()?.SKU,
Country = r.FirstOrDefault()?.Country
}).ToArray();
}
return(results);
}
public static void FixUpItemPrices(IList <DTOOrderItem> items)
{
var totalPrice = items.Sum(i => i.ItemPrice * i.Quantity);
var totalQuantity = items.Sum(i => i.Quantity);
//TASK: max $18 + $6 x item (for each item more then 3)
//TASK: #2 taxes when merchandise is over 20 CAD. Right now we make sure it’s less 20 USD.
//We need to change it.Assume that 1US = 1.4, so max value on invoice should be 14.3 USD.
var random = new Random(DateTime.Now.Millisecond);
var maxBasePrice = PriceHelper.RoundToTwoPrecision(14.3M - (decimal)random.NextDouble() / 3M);
var maxTotalPrice = maxBasePrice + Math.Max(0, totalQuantity - 3) * 6;
if (totalPrice > maxTotalPrice)
{
decimal priceCorrection = maxTotalPrice / totalPrice;
foreach (var item in items)
{
item.ItemPrice = PriceHelper.RoundToTwoPrecision(priceCorrection * item.ItemPrice);
}
}
}