/**
* {@inheritdoc}
*/
protected function calculateWithTaxNotInPrice(QuoteDetailsItem $item, $quantity)
{
$taxRateRequest = $this->getAddressRateRequest()->setProductClassId($this->taxClassService->getTaxClassId($item->getTaxClassKey()));
$rate = $this->calculationTool->getRate($taxRateRequest);
$appliedRates = $this->calculationTool->getAppliedRates($taxRateRequest);
$applyTaxAfterDiscount = $this->config->applyTaxAfterDiscount($this->storeId);
$discountAmount = $item->getDiscountAmount();
$discountTaxCompensationAmount = 0;
// Calculate $price
$price = $this->calculationTool->round($item->getUnitPrice());
$unitTaxes = [];
$unitTaxesBeforeDiscount = [];
$appliedTaxes = [];
//Apply each tax rate separately
foreach ($appliedRates as $appliedRate) {
$taxId = $appliedRate['id'];
$taxRate = $appliedRate['percent'];
$unitTaxPerRate = $this->calculationTool->calcTaxAmount($price, $taxRate, false);
$unitTaxAfterDiscount = $unitTaxPerRate;
//Handle discount
if ($discountAmount && $applyTaxAfterDiscount) {
//TODO: handle originalDiscountAmount
$unitDiscountAmount = $discountAmount / $quantity;
$taxableAmount = max($price - $unitDiscountAmount, 0);
$unitTaxAfterDiscount = $this->calculationTool->calcTaxAmount($taxableAmount, $taxRate, false, true);
}
$appliedTaxes[$taxId] = $this->getAppliedTax($unitTaxAfterDiscount * $quantity, $appliedRate);
$unitTaxes[] = $unitTaxAfterDiscount;
$unitTaxesBeforeDiscount[] = $unitTaxPerRate;
}
$unitTax = array_sum($unitTaxes);
$unitTaxBeforeDiscount = array_sum($unitTaxesBeforeDiscount);
$rowTax = $unitTax * $quantity;
$priceInclTax = $price + $unitTaxBeforeDiscount;
$this->taxDetailsItemBuilder->setCode($item->getCode());
$this->taxDetailsItemBuilder->setType($item->getType());
$this->taxDetailsItemBuilder->setRowTax($rowTax);
$this->taxDetailsItemBuilder->setPrice($price);
$this->taxDetailsItemBuilder->setPriceInclTax($priceInclTax);
$this->taxDetailsItemBuilder->setRowTotal($price * $quantity);
$this->taxDetailsItemBuilder->setRowTotalInclTax($priceInclTax * $quantity);
$this->taxDetailsItemBuilder->setDiscountTaxCompensationAmount($discountTaxCompensationAmount);
$this->taxDetailsItemBuilder->setAssociatedItemCode($item->getAssociatedItemCode());
$this->taxDetailsItemBuilder->setTaxPercent($rate);
$this->taxDetailsItemBuilder->setAppliedTaxes($appliedTaxes);
return $this->taxDetailsItemBuilder->create();
}
/**
* Calculates the total quantity for this item.
*
* What this really means is that if this is a child item, it return the parent quantity times
* the child quantity and return that as the child's quantity.
*
* @param QuoteDetailsItem $item
* @return float
*/
protected function getTotalQuantity(QuoteDetailsItem $item)
{
if ($item->getParentCode()) {
$parentQuantity = $this->keyedItems[$item->getParentCode()]->getQuantity();
return $parentQuantity * $item->getQuantity();
}
return $item->getQuantity();
}
/**
* Calculate tax details for quote item with given quantity
*
* @param QuoteDetailsItem $item
* @param int $quantity
* @return TaxDetailsItem
*/
public function calculate(QuoteDetailsItem $item, $quantity)
{
if ($item->getTaxIncluded()) {
return $this->calculateWithTaxInPrice($item, $quantity);
} else {
return $this->calculateWithTaxNotInPrice($item, $quantity);
}
}
/**
* Callback function that creates a tax details item with applied taxes from a quote details item for testing.
*
* @param QuoteDetailsItem $item
* @return Data\TaxDetails\Item
*/
public function createTaxDetailsItemWithAppliedTaxes(QuoteDetailsItem $item)
{
$appliedTaxRateBuilder = $this->taxDetailsBuilder->getAppliedTaxBuilder();
$taxRateBuilder = $appliedTaxRateBuilder->getAppliedTaxRateBuilder();
$rate = $taxRateBuilder->setPercent(self::TAX)->setCode('TAX')->setTitle('Tax')->create();
$appliedTaxes = $appliedTaxRateBuilder->setAmount($item->getUnitPrice() * self::TAX)->setTaxRateKey('TAX_RATE')->setPercent(self::TAX)->setRates([$rate])->create();
return $this->taxDetailsItemBuilder->populate($this->createTaxDetailsItem($item))->setAppliedTaxes([$appliedTaxes])->create();
}
