MapBundle/Controller/MapController.php

<?php

namespace MapBundle\Controller;

use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\JsonResponse;

class MapController extends Controller
{

    /**
     * @param Request $request
     * @return JsonResponse
     */
    public function getMapListAction(Request $request)
    {
        $query = $request->query->get('q', '');
        $choiceLoader = $this->get('map.map.choiceloader');
        $choiceList = $choiceLoader->getChoicesList($query);
        $list_values = [];
        foreach ($choiceList as $label => $id) {
            $list_values[] = [
                'id' => $id,
                'text' => $label
            ];
        }

        $response = new JsonResponse();
        $response->setData(['results' => $list_values]);

        return $response;
    }

    /**
     * @param Request $request
     * @return JsonResponse
     */
    public function getMapAction(Request $request)
    {
        $id = $request->get('id', null);
        $map = '';
        if (!is_null($id)) {
            $webservice = $this->get('webservice');
            $map = $webservice->getArray('remote_get_map_url', array(
                'id' => $id,
            ));
            if (isset($map[0])) {
                $map = $map[0];
            }
        }

        $response = new JsonResponse();
        $response->setData($map);

        return $response;
    }

}