Decorate Existing Symfony Controller in PrestaShop 1.7

In this blog, we are going to learn how to decorate existing Symfony Controller available in PrestaShop back-office.

How to decorate existing symfony controller method

Follow the given folder structure for module same as in the image :

Here, we will show you an example of page Improve -> Design -> CMS Pages -> Add Page, which register in PrestaShop as service id "PrestaShopBundle\Controller\Admin\Improve\Design\CmsPageController".

Step 1:

In composer.json file write the code as given below :

{
    "name": "yourname/yourmodulename",
    "license": "AFL-3.0",    
    "autoload": {
        "psr-4": {"Namespace\\": "src/"},
        "classmap": ["yourmodule.php"],
        "config": {"prepend-autoloader": false},
        "type": "prestashop-module"
    }
}

Step 2 :

You can write your own services using the YAML configuration file. In your module, you can create your own services as shown here.

Create yourmodule/config/services.yml

services:
  custom_controller:
    class: Namespace\Controller\Admin\DemoController
    decorates: PrestaShopBundle\Controller\Admin\Improve\Design\CmsPageController
    arguments: ['@custom_controller.inner']

Step 3 :

yourmodule.php

declare(strict_types=1);

// Needed for installing process 
require_once __DIR__ . '/vendor/autoload.php';

class YourModule extends Module
{

After that, run the below command in the module folder which loads namespace(Namespace).

$ composer dumpautoload

Step 4 :

src/Controller/Admin/DemoController.php 

declare(strict_types=1);

namespace Namespace\Controller\Admin;


use PrestaShop\PrestaShop\Core\Search\Filters\CmsPageCategoryFilters;
use PrestaShop\PrestaShop\Core\Search\Filters\CmsPageFilters;
use PrestaShopBundle\Controller\Admin\Improve\Design\CmsPageController;
use PrestaShopBundle\Controller\Admin\FrameworkBundleAdminController;
use Symfony\Component\HttpFoundation\Request;

class DemoController extends FrameworkBundleAdminController
{
    private $decoratedController;

    public function __construct(CmsPageController $decoratedController)
    {
        $this->decoratedController = $decoratedController;
    }

    public function indexAction(CmsPageCategoryFilters $categoryFilters, CmsPageFilters $cmsFilters, Request $request)
    {
        return $this->decoratedController->indexAction($categoryFilters, $cmsFilters, $request);

    }

    public function createAction(Request $request)
    {
        return $this->render(
            '@Modules/wktestdec/views/templates/admin/index.html.twig'
        );
    }
}

In this example, we just change createAction to add CMS Page from our module.

Different with overriding and decorated CmsPageController is injected into the constructor of DemoController.

Step 5 :

Rendering your own twig in the new controller, add the below file with the required twig format.
/yourmodule/views/templates/admin/index.html.twig

If you are looking for remap the route method or override existing symfony controller click here.

That’s all.

If you are facing any issues or doubts in the above process, please feel free to contact us through the comment section.

I would be happy to help.

Also, you can explore our PrestaShop Development Services and a large range of quality PrestaShop Modules.

For any doubt contact us at support@webkul.com.