src/AppBundle/Controller/OpenCourseController.php

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<?php

namespace AppBundle\Controller;

use AppBundle\Common\Paginator;
use Biz\Course\MaterialException;
use Biz\OpenCourse\OpenCourseException;
use Biz\User\Service\AuthService;
use Biz\User\Service\UserService;
use AppBundle\Common\ArrayToolkit;
use AppBundle\Component\MediaParser\ParserProxy;
use Biz\User\Service\TokenService;
use Biz\Taxonomy\Service\TagService;
use Biz\Course\Service\CourseService;
use Biz\Thread\Service\ThreadService;
use Biz\System\Service\SettingService;
use Biz\File\Service\UploadFileService;
use Biz\Course\Service\CourseSetService;
use Biz\User\UserException;
use Symfony\Component\HttpFoundation\Cookie;
use Biz\OpenCourse\Service\OpenCourseService;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Biz\OpenCourse\Service\OpenCourseRecommendedService;

class OpenCourseController extends BaseOpenCourseController
{
    public function exploreAction(Request $request)
    {
        $queryParam = $request->query->all();
        $conditions = $this->_filterConditions($queryParam);

        $pageSize = 18;

        $paginator = new Paginator(
            $this->get('request'),
            $this->getOpenCourseService()->countCourses($conditions),
            $pageSize
        );

        $courses = $this->_getPageRecommendedCourses($request, $conditions, 'recommendedSeq', $pageSize);
        $teachers = $this->findCourseTeachers($courses);

        return $this->render('open-course/explore.html.twig', array(
            'courses' => $courses,
            'paginator' => $paginator,
            'teachers' => $teachers,
        ));
    }

    public function createAction(Request $request)
    {
        $course = $request->request->all();
        unset($course['buyable']);

        $course = $this->getOpenCourseService()->createCourse($course);

        return $this->redirect($this->generateUrl('open_course_manage', array('id' => $course['id'])));
    }