/**
* Calculate the row total for an item
*
* @param QuoteDetailsItem $item
* @return float
*/
protected function calcRowTotal(QuoteDetailsItem $item)
{
$qty = $this->getTotalQuantity($item);
// Round unit price before multiplying to prevent losing 1 cent on subtotal
$total = $this->calculator->round($item->getUnitPrice()) * $qty;
return $this->calculator->round($total);
}
/**
* Given a store price that includes tax at the store rate, this function will back out the store's tax, and add in
* the customer's tax. Returns this new price which is the customer's price including tax.
*
* @param float $storePriceInclTax
* @param float $storeRate
* @param float $customerRate
* @return float
*/
protected function calculatePriceInclTax($storePriceInclTax, $storeRate, $customerRate)
{
$storeTax = $this->calculationTool->calcTaxAmount($storePriceInclTax, $storeRate, true, false);
$priceExclTax = $storePriceInclTax - $storeTax;
$customerTax = $this->calculationTool->calcTaxAmount($priceExclTax, $customerRate, false, false);
$customerPriceInclTax = $this->calculationTool->round($priceExclTax + $customerTax);
return $customerPriceInclTax;
}
/**
* Calculate row information for item based on children calculation
*
* @param TaxDetailsItemInterface[] $children
* @param int $quantity
* @return TaxDetailsItemInterface
*/
protected function calculateParent($children, $quantity)
{
$rowTotal = 0.0;
$rowTotalInclTax = 0.0;
$rowTax = 0.0;
$taxableAmount = 0.0;
foreach ($children as $child) {
$rowTotal += $child->getRowTotal();
$rowTotalInclTax += $child->getRowTotalInclTax();
$rowTax += $child->getRowTax();
$taxableAmount += $child->getTaxableAmount();
}
$price = $this->calculationTool->round($rowTotal / $quantity);
$priceInclTax = $this->calculationTool->round($rowTotalInclTax / $quantity);
$taxDetailsItemDataObject = $this->taxDetailsItemDataObjectFactory->create()->setPrice($price)->setPriceInclTax($priceInclTax)->setRowTotal($rowTotal)->setRowTotalInclTax($rowTotalInclTax)->setRowTax($rowTax);
return $taxDetailsItemDataObject;
}