src/Biz/Course/Service/Impl/CourseSetServiceImpl.php

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<?php

namespace Biz\Course\Service\Impl;

use Biz\AppLoggerConstant;
use Biz\BaseService;
use Biz\Common\CommonException;
use Biz\Course\CourseSetException;
use Biz\Course\Dao\CourseDao;
use Biz\Course\Dao\FavoriteDao;
use Biz\Course\Dao\CourseSetDao;
use Biz\User\Service\UserService;
use AppBundle\Common\ArrayToolkit;
use Biz\System\Service\LogService;
use Biz\Content\Service\FileService;
use Biz\Taxonomy\Service\TagService;
use Biz\Course\Service\CourseService;
use Biz\Course\Service\MemberService;
use Biz\Course\Service\ReviewService;
use Biz\Course\Service\MaterialService;
use Codeages\Biz\Framework\Event\Event;
use Biz\Course\Service\CourseSetService;
use Biz\Course\Service\CourseNoteService;
use Biz\Classroom\Service\ClassroomService;
use Biz\Course\Service\CourseDeleteService;
use Biz\User\UserException;

class CourseSetServiceImpl extends BaseService implements CourseSetService
{
    public function findCourseSetsByParentIdAndLocked($parentId, $locked)
    {
        return $this->getCourseSetDao()->findCourseSetsByParentIdAndLocked($parentId, $locked);
    }

    // Refactor: recommendCourseSet
    public function recommendCourse($id, $number)
    {
        $this->tryManageCourseSet($id);
        if (!is_numeric($number)) {
            $this->createNewException(CommonException::ERROR_PARAMETER());
        }

        $fields = array(
            'recommended' => 1,
            'recommendedSeq' => (int) $number,
            'recommendedTime' => time(),
        );

        $courseSet = $this->getCourseSetDao()->update($id, $fields);

        $this->dispatchEvent(
            'courseSet.recommend',
            new Event(
                $courseSet,
                $fields
            )
        );

        return $courseSet;
    }