src/Biz/Course/Dao/Impl/CourseDaoImpl.php

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<?php

namespace Biz\Course\Dao\Impl;

use Biz\Course\Dao\CourseDao;
use Codeages\Biz\Framework\Dao\AdvancedDaoImpl;
use Codeages\Biz\Framework\Dao\DaoException;

class CourseDaoImpl extends AdvancedDaoImpl implements CourseDao
{
    protected $table = 'course_v8';

    public function findCoursesByParentIdAndLocked($parentId, $locked)
    {
        return $this->findByFields(array('parentId' => $parentId, 'locked' => $locked));
    }

    public function findCoursesByParentIds($parentIds)
    {
        return $this->findInField('parentId', $parentIds);
    }

    public function findCoursesByCourseSetIdAndStatus($courseSetId, $status = null)
    {
        if (empty($status)) {
            return $this->findByFields(array('courseSetId' => $courseSetId));
        }

        return $this->findByFields(array('courseSetId' => $courseSetId, 'status' => $status));
    }

    public function getDefaultCourseByCourseSetId($courseSetId)
    {
        return $this->getByFields(array('courseSetId' => $courseSetId, 'isDefault' => 1));
    }

    public function getDefaultCoursesByCourseSetIds($courseSetIds)
    {
        if (empty($courseSetIds)) {
            return array();
        }

        $marks = str_repeat('?,', count($courseSetIds) - 1).'?';
        $sql = "SELECT * FROM {$this->table} WHERE isDefault=1 AND courseSetId IN ({$marks});";

        return $this->db()->fetchAll($sql, $courseSetIds);
    }

    public function findByCourseSetIds(array $setIds)
    {
        return $this->findInField('courseSetId', $setIds);
    }

    public function findCoursesByIds($ids)
    {
        return $this->findInField('id', $ids);
    }

    public function findPriceIntervalByCourseSetIds($courseSetIds)
    {