src/AppBundle/Controller/Course/LiveCourseSetController.php

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<?php

namespace AppBundle\Controller\Course;

use AppBundle\Common\Paginator;
use Biz\Task\Service\TaskService;
use AppBundle\Common\ArrayToolkit;
use Biz\System\Service\SettingService;
use Symfony\Component\HttpFoundation\Request;

class LiveCourseSetController extends CourseBaseController
{
    public function courseSetsBlockAction($courseSets, $view = 'list', $mode = 'default')
    {
        $courses = $this->getCourseService()->findCoursesByCourseSetIds(ArrayToolkit::column($courseSets, 'id'));

        return $this->forward(
            'AppBundle:Course/LiveCourseSet:coursesBlock',
            array(
                'courses' => $courses,
                'view' => $view,
                'mode' => $mode,
            )
        );
    }

    public function coursesBlockAction($courses, $view = 'list', $mode = 'default')
    {
        $userIds = array();

        foreach ($courses as $course) {
            $userIds = array_merge($userIds, empty($course['teacherIds']) ? array() : $course['teacherIds']);
        }

        $users = $this->getUserService()->findUsersByIds($userIds);

        foreach ($courses as &$course) {
            if (empty($course['id'])) {
                $course = array();
            }
        }

        $courses = array_filter($courses);

        return $this->render(
            "course/block/courses-block-{$view}.html.twig",
            array(
                'courses' => $courses,
                'users' => $users,
                'mode' => $mode,
            )
        );
    }

    public function exploreAction(Request $request)
    {
        if (!$this->setting('course.live_course_enabled')) {
            return $this->createMessageResponse('info', $this->get('translator')->trans('直播频道已关闭'));
        }