/**
* Returns BlogController instance.
*
* @param ServiceLocatorInterface $serviceLocator
* @return BlogController
* @override
**/
public function createService(ServiceLocatorInterface $serviceLocator)
{
/* @var $serviceLocator Zend\Mvc\Controller\ControllerManager */
$sm = $serviceLocator->getServiceLocator();
$em = $sm->get('em');
$service = new PostService($em);
$controller = new BlogController();
$controller->setEntityManager($em);
$controller->setPostService($service);
$acl = new Acl();
$acl->addRole(new Role(UserService::ROLE_GUEST));
$acl->addRole(new Role(UserService::ROLE_ADMIN));
$acl->addResource($controller);
$acl->allow(UserService::ROLE_ADMIN, $controller);
$acl->allow(UserService::ROLE_GUEST, $controller);
$acl->deny(UserService::ROLE_GUEST, $controller, array('create', 'edit', 'view-all'));
$controller->setAcl($acl);
return $controller;
}