domain-watchdog/src/Controller/ConnectorController.php

<?php

namespace App\Controller;

use App\Entity\Connector;
use App\Entity\User;
use Doctrine\Common\Collections\Collection;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Routing\Attribute\Route;

class ConnectorController extends AbstractController
{
    #[Route(
        path: '/api/connectors',
        name: 'connector_get_all_mine',
        defaults: [
            '_api_resource_class' => Connector::class,
            '_api_operation_name' => 'get_all_mine',
        ],
        methods: ['GET']
    )]
    public function getConnector(): Collection
    {
        /** @var User $user */
        $user = $this->getUser();

        return $user->getConnectors();
    }
}