src/AppBundle/Controller/MessageController.php

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<?php

namespace AppBundle\Controller;

use AppBundle\Common\Paginator;
use Biz\User\MessageException;
use Biz\User\Service\UserService;
use AppBundle\Common\ArrayToolkit;
use Biz\User\Service\MessageService;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\JsonResponse;
use Biz\User\UserException;

class MessageController extends BaseController
{
    public function indexAction(Request $request)
    {
        $user = $this->getCurrentUser();
        $paginator = new Paginator(
            $request,
            $this->getMessageService()->countUserConversations($user->id),
            10
        );
        $conversations = $this->getMessageService()->findUserConversations(
            $user->id,
            $paginator->getOffsetCount(),
            $paginator->getPerPageCount()
        );

        $users = $this->getUserService()->findUsersByIds(ArrayToolkit::column($conversations, 'fromId'));

        return $this->render('message/index.html.twig', array(
            'conversations' => $conversations,
            'users' => $users,
            'paginator' => $paginator,
        ));
    }

    public function checkReceiverAction(Request $request)
    {
        $currentUser = $this->getCurrentUser();
        $nickname = $request->query->get('value');
        $response = array('success' => true, 'message' => '');

        if ($currentUser['nickname'] == $nickname) {
            $response = array('success' => false, 'message' => 'json_response.cannot_send_message_self.message');

            return $this->createJsonResponse($response);
        }

        $user = $this->getUserService()->getUserByNickname($nickname);
        if (empty($user)) {
            $response = array('success' => false, 'message' => 'json_response.receiver_not_exist.message');

            return $this->createJsonResponse($response);
        }

        if (!$this->getWebExtension()->canSendMessage($user['id'])) {
            $response = array('success' => false, 'message' => 'json_response.receiver_not_allowed.message');
        }