/**
* @inheritdoc
*/
public function getList($products, Struct\ProductContextInterface $context)
{
$group = $context->getCurrentCustomerGroup();
$specify = $this->graduatedPricesGateway->getList($products, $group);
//iterates the passed prices and products and assign the product unit to the prices and the passed customer group
$prices = $this->buildPrices($products, $specify, $group);
//check if one of the products have no assigned price within the prices variable.
$fallbackProducts = array_filter($products, function (Struct\ListProduct $product) use($prices) {
return !array_key_exists($product->getNumber(), $prices);
});
if (!empty($fallbackProducts)) {
//if some product has no price, we have to load the fallback customer group prices for the fallbackProducts.
$fallbackPrices = $this->graduatedPricesGateway->getList($fallbackProducts, $context->getFallbackCustomerGroup());
$fallbackPrices = $this->buildPrices($fallbackProducts, $fallbackPrices, $context->getFallbackCustomerGroup());
$prices = $prices + $fallbackPrices;
}
$priceGroups = $context->getPriceGroups();
/**
* If one of the products has a configured price group,
* the graduated prices has to be build over the defined price group graduations.
*
* The price group discounts are defined with a percentage discount, which calculated
* on the first graduated price of the product.
*/
foreach ($products as $product) {
if (!$product->isPriceGroupActive() || !$product->getPriceGroup()) {
continue;
}
if (!isset($prices[$product->getNumber()])) {
continue;
}
$priceGroupId = $product->getPriceGroup()->getId();
if (!isset($priceGroups[$priceGroupId])) {
continue;
}
$priceGroup = $priceGroups[$priceGroupId];
$firstGraduation = array_shift($prices[$product->getNumber()]);
$prices[$product->getNumber()] = $this->buildDiscountGraduations($firstGraduation, $context->getCurrentCustomerGroup(), $priceGroup->getDiscounts());
}
return $prices;
}
/**
* Returns the highest price group discount for the provided product.
*
* The price groups are stored in the provided context object.
* If the product has no configured price group or the price group has no discount defined for the
* current customer group, the function returns null.
*
* @param Struct\ListProduct $product
* @param Struct\ProductContextInterface $context
* @param $quantity
* @return null|Struct\Product\PriceDiscount
*/
private function getHighestQuantityDiscount(Struct\ListProduct $product, Struct\ProductContextInterface $context, $quantity)
{
$priceGroups = $context->getPriceGroups();
if (empty($priceGroups)) {
return null;
}
$id = $product->getPriceGroup()->getId();
if (!isset($priceGroups[$id])) {
return null;
}
$priceGroup = $priceGroups[$id];
/**@var $highest Struct\Product\PriceDiscount*/
$highest = null;
foreach ($priceGroup->getDiscounts() as $discount) {
if ($discount->getQuantity() > $quantity) {
continue;
}
if (!$highest) {
$highest = $discount;
continue;
}
if ($highest->getPercent() < $discount->getPercent()) {
$highest = $discount;
}
}
return $highest;
}
