/**
* Calculates the cheapest price considering the variant min purchase
* @param Struct\ListProduct $product
* @param Struct\Product\PriceRule $priceRule
* @param Struct\ProductContextInterface $context
* @return Struct\Product\Price
*/
private function calculateCheapestAvailablePrice(Struct\ListProduct $product, Struct\Product\PriceRule $priceRule, Struct\ProductContextInterface $context)
{
$priceRule->setPrice($priceRule->getUnit()->getMinPurchase() * $priceRule->getPrice());
$priceRule->getUnit()->setPurchaseUnit($priceRule->getUnit()->getMinPurchase() * $priceRule->getUnit()->getPurchaseUnit());
$priceRule->setPseudoPrice($priceRule->getUnit()->getMinPurchase() * $priceRule->getPseudoPrice());
$tax = $context->getTaxRule($product->getTax()->getId());
return $this->calculatePriceStruct($priceRule, $tax, $context);
}
/**
* Reduces the passed price with a configured
* price group discount for the min purchase of the
* prices unit.
*
* @param Struct\ListProduct $product
* @param Struct\Product\PriceRule $priceRule
* @param Struct\ProductContextInterface $context
* @return Struct\Product\Price
*/
private function calculateCheapestPrice(Struct\ListProduct $product, Struct\Product\PriceRule $priceRule, Struct\ProductContextInterface $context)
{
$tax = $context->getTaxRule($product->getTax()->getId());
//check for price group discounts.
if (!$product->getPriceGroup() || !$product->isPriceGroupActive()) {
return $this->calculatePriceStruct($priceRule, $tax, $context);
}
//selects the highest price group discount, for the passed quantity.
$discount = $this->getHighestQuantityDiscount($product, $context, $priceRule->getUnit()->getMinPurchase());
if ($discount) {
$priceRule->setPrice($priceRule->getPrice() / 100 * (100 - $discount->getPercent()));
}
return $this->calculatePriceStruct($priceRule, $tax, $context);
}