Plane\Shop\Discount\EverySecondItemFreeDiscount::applyDiscount()

Complexity

Conditions	3
Paths	3

Size

Total Lines

16

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	10
CRAP Score	3

Importance

Changes

0

<?php declare(strict_types=1);
    protected function applyDiscount(): void
    {
        $subctracts = [];
        $i = 1;
        foreach ($this->items as $item) {
            // every even item is free
            if ($i % 2 == 0) {
                $subctracts[] = $item->getPriceTotalWithTax($this->currency);
            }
            $i++;
        }

        $afterDiscount = call_user_func_array([$this->price, 'subtract'], $subctracts);

        $this->priceAfterDiscount = $afterDiscount;
    }
}