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<?php
declare(strict_types=1);
/**
* @author Amasty Team
* @copyright Copyright (c) 2023 Amasty (https://www.amasty.com)
* @package Reward Points Base for Magento 2
*/
namespace Amasty\Rewards\Model\Calculation\Earning;
use Amasty\Rewards\Model\Calculation\ItemAmountCalculatorInterface;
use Amasty\Rewards\Model\Config;
use Amasty\Rewards\Model\Rule;
use Magento\Quote\Model\Quote\Item as QuoteItem;
use Magento\Sales\Model\Order\Item as OrderItem;
use Magento\Weee\Model\Config as WeeeConfig;
class ItemAmountCalculator implements ItemAmountCalculatorInterface
{
/**
* @var Config
*/
private $rewardsConfig;
/**
* @var WeeeConfig
*/
private $configWee;
/**
* @var ModifierInterface[]
*/
private $modifiers;
public function __construct(
Config $rewardsConfig,
WeeeConfig $configWee,
array $modifiers = []
) {
$this->rewardsConfig = $rewardsConfig;
$this->configWee = $configWee;
$this->modifiers = $modifiers;
}
/**
* @param QuoteItem|OrderItem $item
* @return float
*/
public function calculateItemAmount($item): float
{
$calculationMode = $this->rewardsConfig->getEarningCalculationMode();
$itemAmount = $item->getBaseRowTotalInclTax()
- $item->getBaseDiscountAmount()
+ $item->getBaseDiscountTaxCompensationAmount();
if ($calculationMode === Rule::AFTER_TAX) {
if ($this->configWee->isEnabled()) {
$itemAmount += $item->getBaseWeeeTaxAppliedRowAmnt();
}
} else {
$itemAmount -= $item->getBaseTaxAmount();
}
return $this->modifyItemAmount($item, $itemAmount);
}
/**
* @param QuoteItem|OrderItem $item
* @param float $calculatedAmount
* @return float
*/
private function modifyItemAmount($item, float $calculatedAmount): float
{
foreach ($this->modifiers as $modifier) {
if ($modifier instanceof ModifierInterface) {
$calculatedAmount = $modifier->modifyItemAmount($item, $calculatedAmount);
} else {
throw new \InvalidArgumentException(
sprintf(
'Modifier should implement %s interface.',
ModifierInterface::class
)
);
}
}
return (float)max(0, $calculatedAmount);
}
}