Custom sulu controller which load some data from a service

SuluExtendController.php

<?php

namespace App\Controller\Website;

use Sulu\Bundle\WebsiteBundle\Controller\WebsiteController;
use Sulu\Component\Content\Compat\StructureInterface;

/**
 * Controller which needs a custom service to add data to render twig template.
 */
class SuluExtendController extends WebsiteController
{
    public function indexAction(StructureInterface $structure, $preview = false, $partial = false)
    {
        $response = $this->renderStructure(
            $structure,
            [
                // here you can add some custom data for your template
                'myData' => $this->get('my_custom_service')->getMyData(),
            ],
            $preview,
            $partial
        );

        return $response;
    }
    
    /**
     * Optional do something with the content or view data of the template.
     */
    protected function getAttributes($attributes, StructureInterface $structure = null, $preview = false)
    {
        $attributes = parent::getAttributes($attributes, StructureInterface $structure, $preview);
 
        // here you can add some custom data for your template based on exist structure attributes
        $attributes['moreCustomData'] = 'Custom Data';
        
        return $attributes;
    }

    public static function getSubscribedServices()
    {
        $subscribedServices = parent::getSubscribedServices();
        // here you can require services you need
        $subscribedServices['my_custom_service'] = 'your_service_id_or_class';

        return $subscribedServices;
    }
}

// use controller in template <controller>App\Controller\Website\SuluExtendController::indexAction</controller>
// the custom data is directly available under the myData variable in twig. {{ dump(myData) }} and {{ dump(moreCustomData) }}

SuluSimpleExtendController.php

<?php

namespace App\Controller\Website;

use Sulu\Bundle\WebsiteBundle\Controller\DefaultController;
use Sulu\Component\Content\Compat\StructureInterface;

/**
 * A simplier controller just adding some attributes to twig template.
 */
class SuluExtendController extends DefaultController
{
    protected function getAttributes($attributes, StructureInterface $structure = null, $preview = false)
    {
        $attributes = parent::getAttributes($attributes, StructureInterface $structure, $preview);
 
        // here you can add some custom data for your template based on exist structure attributes
        $attributes['moreCustomData'] = 'Custom Data';
        
        return $attributes;
    }
}

// use controller in template <controller>App\Controller\Website\SuluExtendController::indexAction</controller>
// the custom data is directly available under the myData variable in twig. {{ dump(moreCustomData) }}

SuluSimpleRequestExtendController.php

<?php

namespace App\Controller\Website;

use Sulu\Bundle\WebsiteBundle\Controller\WebsiteController;
use Sulu\Component\Content\Compat\StructureInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * Controller which needs a custom service to add data to render twig template.
 */
class SuluExtendController extends WebsiteController
{
    public function indexAction(Request $request, StructureInterface $structure, $preview = false, $partial = false)
    {
        $myData = null;
        if ($request->query->get('parameter')) {
            $myData = $this->get('my_custom_service')->getMyData()
        }

        $response = $this->renderStructure(
            $structure,
            [
                // here you can add some custom data for your template
                'myData' => $myData,
            ],
            $preview,
            $partial
        );

        return $response;
    }

    public static function getSubscribedServices()
    {
        $subscribedServices = parent::getSubscribedServices();
        // here you can require services you need
        $subscribedServices['my_custom_service'] = 'your_service_id_or_class';

        return $subscribedServices;
    }
}

// use controller in template <controller>App\Controller\Website\SuluExtendController::indexAction</controller>
// the custom data is directly available under the myData variable in twig. {{ dump(myData) }}