controller.php

<?php

namespace Concrete\Package\Concrete5GraphqlWebsocketSample;

use Concrete\Core\Asset\Asset;
use Concrete\Core\Asset\AssetList;
use Concrete\Core\Database\EntityManager\Provider\StandardPackageProvider;
use Concrete\Core\Package\Package;
use Doctrine\ORM\EntityManagerInterface;
use Entity\Person;
use GraphQl\TestGraphQl;

class Controller extends Package
{
    /**
     * {@inheritdoc}
     *
     * @see \Concrete\Core\Package\Package::$packageDependencies
     */
    protected $packageDependencies = [
        'concrete5_graphql_websocket' => '1.2.9',
    ];
    protected $appVersionRequired = '8.5.1';
    protected $pkgVersion = '1.1.6';
    protected $pkgHandle = 'concrete5_graphql_websocket_sample';
    protected $pkgName = 'GraphQL with Websocket Sample';
    protected $pkgDescription = 'Shows how to use GraphQL and Websocket in Concrete5';
    protected $pkg;
    protected $pkgAutoloaderRegistries = [
        'src/GraphQl' => '\GraphQl',
        'src/Entity' => '\Entity',
    ];

    public function getEntityManagerProvider()
    {
        $provider = new StandardPackageProvider($this->app, $this, [
            'src/Entity' => 'Entity',
        ]);

        return $provider;
    }

    public function on_start()
    {
        $al = AssetList::getInstance();
        $al->register('javascript', 'person', 'js/dist/person.js', ['position' => Asset::ASSET_POSITION_FOOTER, 'minify' => false, 'combine' => true], $this);
        $this->app->make(TestGraphQl::class)->start();
    }

    public function install()
    {
        parent::install();
        $this->installXML();
        $this->addSampleData();
    }

    public function upgrade()
    {
        parent::upgrade();
        $this->installXML();
        $this->addSampleData();
    }

    private function installXML()
    {
        $this->installContentFile('config/install.xml');
    }

    private function addSampleData()
    {
        $entityManager = $this->app->make(EntityManagerInterface::class);
        $personRepository = $entityManager->getRepository(Person::class);

        if ($personRepository->findOneBy(['first_name' => 'Fritz']) === null) {
            $item = new Person();
            $item->setData([
                'first_name' => 'Fritz',
                'second_name' => 'Muster',
            ]);
            $entityManager->persist($item);
        }

        if ($personRepository->findOneBy(['first_name' => 'Franz']) === null) {
            $item = new Person();
            $item->setData([
                'first_name' => 'Franz',
                'second_name' => 'Kanns',
            ]);
            $entityManager->persist($item);
        }
        $entityManager->flush();
    }
}