<?php

namespace App\Manager;

use App\Entity\Category;

class ProductManager
{
    /**
     * @var int
     */
    public $count;

    public function __construct()
    {
        $this->count = 0;
    }

    /**
     * @param Category|null $category
     * @return int
     */
    public function getItemsCountFotCategory(?Category $category): int
    {
        foreach ($category->getChildren() as $child)
        {
            if ($category->getProducts() !== null) {
                $this->count += $category->getProducts()->count();
            }

            if ($child->getChildren() !== null) {
                $this->getItemsCountFotCategory($child);
            } else {
                continue;
            }
        }

        return $this->count;
    }
}