DefaultController.php

<?php

namespace Hills\MapBundle\Controller;

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

class DefaultController extends Controller {

	public function mapAction() {

		/** @var \Doctrine\ORM\EntityManager $em */
		$em = $this->getDoctrine()->getManager();

		$cities = $em->getRepository('HillsMapBundle:City')->findAll();

		return $this->render('HillsMapBundle:Site:map.html.twig', [
			'cities' => $cities
		]);
	}

	/**
	 * Динамическая генерация файла /map.json для раздела "карта объектов"
	 * Этот файл используется front end
	 *
	 *
	 * @param Request $request
	 * @return JsonResponse
	 */
	public function mapJsonAction(Request $request) {

		$geobaza = $this->get('hills.helper.geobaza');


		/** @var \Doctrine\ORM\EntityManager $em */
		$em = $this->getDoctrine()->getManager();

		$out = [];

		$objects = $em->getRepository('HillsMapBundle:Object')->findAll();
		$cities = $em->getRepository('HillsMapBundle:City')->findAll();

		foreach ($objects as $object) {
			$metro = [];

			foreach ($object->getSubway() as $subway) {
				$metro[] = $subway->getId();
			}

			$out['objects'][] = [
				'id'            => $object->getId(),
				'name'          => $object->getName(),
				'type'          => $object->getType(),
				'address'       => $object->getAddress(),
				'phone'         => $object->getPhone(),
				'fax'           => $object->getFax(),
				'operationTime' => $object->getOperationTime(),
				'info'          => $object->getInfo(),
				'latitude'      => $object->getLatitude(),
				'longitude'     => $object->getLongitude(),
				'city'          => $object->getCity()->getId(),
				'metro'         => $metro
			];
		}

		foreach ($cities as $city) {
			$metro = [];

			foreach ($city->getSubways() as $station) {
				$metro[] = [
					'id'        => $station->getId(),
					'name'      => $station->getName(),
					'latitude'  => $station->getLatitude(),
					'longitude' => $station->getLongitude(),
				];
			}

			$cityElement = [
				'id'   => $city->getId(),
				'name' => $city->getName(),
			];

			if ($city->getName() == 'Москва') {
				$cityElement['default'] = 'true';
			}

			if (count($metro)) {
				$cityElement['metro'] = $metro;
			}

			$out['city'][] = $cityElement;
		}

		$out['currentLocation'] = $geobaza->getLocation('85.202.128.27');

		return new JsonResponse($out);
	}
}