1<?php
2/**
3 * Copyright since 2007 PrestaShop SA and Contributors
4 * PrestaShop is an International Registered Trademark & Property of PrestaShop SA
5 *
6 * NOTICE OF LICENSE
7 *
8 * This source file is subject to the Open Software License (OSL 3.0)
9 * that is bundled with this package in the file LICENSE.md.
10 * It is also available through the world-wide-web at this URL:
11 * https://opensource.org/licenses/OSL-3.0
12 * If you did not receive a copy of the license and are unable to
13 * obtain it through the world-wide-web, please send an email
14 * to license@prestashop.com so we can send you a copy immediately.
15 *
16 * DISCLAIMER
17 *
18 * Do not edit or add to this file if you wish to upgrade PrestaShop to newer
19 * versions in the future. If you wish to customize PrestaShop for your
20 * needs please refer to https://devdocs.prestashop.com/ for more information.
21 *
22 * @author    PrestaShop SA and Contributors <contact@prestashop.com>
23 * @copyright Since 2007 PrestaShop SA and Contributors
24 * @license   https://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
25 */
26
27namespace PrestaShop\PrestaShop\Core\Product;
28
29use PrestaShopBundle\Service\Hook\HookFinder;
30
31/**
32 * This class gets the extra content to display on the product page
33 * from the modules hooked on displayProductExtraContent.
34 */
35class ProductExtraContentFinder extends HookFinder
36{
37    protected $hookName = 'displayProductExtraContent';
38    protected $expectedInstanceClasses = ['PrestaShop\PrestaShop\Core\Product\ProductExtraContent'];
39
40    /**
41     * Execute hook to get all addionnal product content, and check if valid
42     * (not empty and only instances of class ProductExtraContent).
43     *
44     * @return array
45     *
46     * @throws \Exception
47     */
48    public function find()
49    {
50        // Check first that we have a product to send as params
51        if (!array_key_exists('product', $this->params) || !$this->params['product'] instanceof \Product) {
52            throw new \Exception('Required product param not found.');
53        }
54
55        return parent::find();
56    }
57}
58