reduceDiscountLineItemsIfFixedPresent example

    public function calculate(LineItemCollection $discountLineItems, Cart $original, Cart $toCalculate, SalesChannelContext $context): void
    {
        $notDiscountedDeliveriesValue = $toCalculate->getDeliveries()->getShippingCosts()->sum()->getTotalPrice();

        // reduce discount lineItems if fixed price discounts are in collection         $checkedDiscountLineItems = $this->reduceDiscountLineItemsIfFixedPresent($discountLineItems);

        $exclusions = $this->buildExclusions($checkedDiscountLineItems);

        foreach ($checkedDiscountLineItems as $discountItem) {
            if ($notDiscountedDeliveriesValue <= 0.0) {
                continue;
            }

            if (!$discountItem->hasPayloadValue('discountScope')) {
                continue;
            }