cc-indentation-before.php

<?php

class DiscountApplier
{
    private DiscountCalculator $calculator;
    
    public function __construct(DiscountCalculator $calculator)
    {
        $this->calculator = $calculator;
    }
    
    public function apply(Basket $basket): void
    {
        if ($basket->hasItems()) {
            $discount = 0.0;

            foreach ($basket->getItems() as $basketItem) {
                if ($basketItem->isTaxable()) {
                    if ($basketItem->getPrice() > 0) {
                        $discount += $this->calculator->getDiscount($basketItem);
                    }
                }
            }
            
            $basket->applyDiscount($discount);
        }
    }
}