private void TaxItems(ITaxSchedule schedule, List<ITaxable> items, IAddress address)
{
if (schedule == null) return;
if (items == null) return;
if (address == null) return;
// Holds all taxes for the schedule summarized
TaxableItem summaryForSchedule = new TaxableItem();
summaryForSchedule.ScheduleId = schedule.TaxScheduleId();
// Find all items that match the schedule
List<ITaxable> itemsMatchingSchedule = new List<ITaxable>();
foreach (ITaxable item in items)
{
if (item.TaxScheduleId() == schedule.TaxScheduleId())
{
summaryForSchedule.Value += item.TaxableValue();
summaryForSchedule.ShippingValue += item.TaxableShippingValue();
itemsMatchingSchedule.Add(item);
}
}
// Now Apply all taxes in schedule to total price of all items
foreach (ITaxRate rate in _app.OrderServices.Taxes.GetRates(_app.CurrentStore.Id, schedule.TaxScheduleId()))
{
rate.TaxItem(summaryForSchedule, address);
}
// Total Tax for all items on this schedule is calculated
// Now, we assign the tax parts to each line item based on their
// linetotal value. The last item should get the remainder of the tax
decimal RoundedTotal = Math.Round(summaryForSchedule.TaxedValue, 2);
decimal TotalApplied = 0M;
for (int i = 0; i < itemsMatchingSchedule.Count(); i++)
{
ITaxable item = itemsMatchingSchedule[i];
item.ClearTaxValue();
if (i == itemsMatchingSchedule.Count() - 1)
{
// last item
item.IncrementTaxValue(RoundedTotal - TotalApplied);
}
else
{
decimal percentOfTotal = 0;
if (summaryForSchedule.TaxableValue() != 0)
{
percentOfTotal = item.TaxableValue() / summaryForSchedule.TaxableValue();
}
decimal part = Math.Round(percentOfTotal * summaryForSchedule.TaxedValue, 2);
item.IncrementTaxValue(part);
TotalApplied += part;
}
}
}
private void TaxItems(List <ITaxable> items, IAddress billingAddress, IAddress shippingAddress, decimal totalOrderDiscounts, string userId)
{
var applyVATRules = _app.CurrentStore.Settings.ApplyVATRules;
decimal discount = 0;
decimal qty = 0;
if (totalOrderDiscounts != 0)
{
foreach (var i in items)
{
if (i.IsTaxExempt == false && i.TaxSchedule != -1)
{
if (_app.OrderServices.TaxSchedules.FindForThisStore(i.TaxSchedule) != null)
{
qty += i.Quantity;
}
}
}
if (qty != 0)
{
discount = totalOrderDiscounts / qty;
}
}
foreach (var item in items)
{
if (item.IsTaxExempt)
{
continue;
}
ITaxSchedule schedule = _app.OrderServices.TaxSchedules.FindForThisStore(item.TaxSchedule);
if (schedule == null)
{
continue;
}
//Get best match by address
var taxationAddress = item.IsNonShipping ? billingAddress : shippingAddress;
var tax = _app.OrderServices.Taxes.FindByAdress(_app.CurrentStore.Id, schedule.TaxScheduleId(),
taxationAddress);
var defaultRate = schedule.TaxScheduleDefaultRate() / 100;
var defaultShippingRate = schedule.TaxScheduleDefaultShippingRate() / 100;
decimal rate = 0;
decimal shippingRate = 0;
if (applyVATRules)
{
rate = defaultRate;
shippingRate = defaultShippingRate;
}
if (tax != null)
{
var user = _app.MembershipServices.Customers.Find(userId);
var taxExemptUser = user != null ? user.TaxExempt : false;
if (!taxExemptUser)
{
rate = tax.Rate / 100;
if (tax.ApplyToShipping)
{
shippingRate = tax.ShippingRate / 100;
}
}
}
item.SetTaxRate(rate);
item.SetShippingTaxRate(shippingRate);
var lineItemTotalDiscount = item.Quantity * discount;
if (tax != null)
{
if (applyVATRules)
{
if (rate != defaultRate)
{
//Subtract included tax
var lineTotal = item.LineTotal;
var lineTotalVAT = Money.RoundCurrency(lineTotal - lineTotal / (1 + defaultRate));
item.LineTotal = lineTotal - lineTotalVAT;
//Add new tax value
item.TaxPortion = Money.RoundCurrency(item.LineTotal * rate);
item.LineTotal += item.TaxPortion;
}
else
{
var lineTotal = item.LineTotal;
item.TaxPortion = Money.RoundCurrency(lineTotal - lineTotal / (1 + rate));
}
if (shippingRate != defaultShippingRate)
{
//Subtract tax from shipping portion always since rates may differ
var shippingPortion = item.ShippingPortion;
var shippingPortionVAT =
Money.RoundCurrency(shippingPortion - shippingPortion / (1 + defaultShippingRate));
item.ShippingPortion = shippingPortion - shippingPortionVAT;
item.ShippingTaxPortion = Money.RoundCurrency(item.ShippingPortion * shippingRate);
item.ShippingPortion += item.ShippingTaxPortion;
}
else
{
var shippingPortion = item.ShippingPortion;
item.ShippingTaxPortion =
Money.RoundCurrency(shippingPortion - shippingPortion / (1 + shippingRate));
}
}
else
{
var lineTotalTax = Money.RoundCurrency((item.LineTotal + lineItemTotalDiscount) * rate);
item.TaxPortion = lineTotalTax;
var shippingPortionTax = Money.RoundCurrency(item.ShippingPortion * shippingRate);
item.ShippingTaxPortion = shippingPortionTax;
}
}
item.AdjustedPricePerItem = Money.RoundCurrency(item.LineTotal / item.Quantity);
}
}
private void TaxItems(ITaxSchedule schedule, List <ITaxable> items, IAddress address)
{
if (schedule == null)
{
return;
}
if (items == null)
{
return;
}
if (address == null)
{
return;
}
// Holds all taxes for the schedule summarized
TaxableItem summaryForSchedule = new TaxableItem();
summaryForSchedule.ScheduleId = schedule.TaxScheduleId();
// Find all items that match the schedule
List <ITaxable> itemsMatchingSchedule = new List <ITaxable>();
foreach (ITaxable item in items)
{
if (item.TaxScheduleId() == schedule.TaxScheduleId())
{
summaryForSchedule.Value += item.TaxableValue();
summaryForSchedule.ShippingValue += item.TaxableShippingValue();
itemsMatchingSchedule.Add(item);
}
}
// Now Apply all taxes in schedule to total price of all items
foreach (ITaxRate rate in _app.OrderServices.Taxes.GetRates(_app.CurrentStore.Id, schedule.TaxScheduleId()))
{
rate.TaxItem(summaryForSchedule, address);
}
// Total Tax for all items on this schedule is calculated
// Now, we assign the tax parts to each line item based on their
// linetotal value. The last item should get the remainder of the tax
decimal RoundedTotal = Math.Round(summaryForSchedule.TaxedValue, 2);
decimal TotalApplied = 0M;
for (int i = 0; i < itemsMatchingSchedule.Count(); i++)
{
ITaxable item = itemsMatchingSchedule[i];
item.ClearTaxValue();
if (i == itemsMatchingSchedule.Count() - 1)
{
// last item
item.IncrementTaxValue(RoundedTotal - TotalApplied);
}
else
{
decimal percentOfTotal = 0;
if (summaryForSchedule.TaxableValue() != 0)
{
percentOfTotal = item.TaxableValue() / summaryForSchedule.TaxableValue();
}
decimal part = Math.Round(percentOfTotal * summaryForSchedule.TaxedValue, 2);
item.IncrementTaxValue(part);
TotalApplied += part;
}
}
}