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

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<?php

namespace Biz\Course\Dao\Impl;

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

class CourseMemberDaoImpl extends AdvancedDaoImpl implements CourseMemberDao
{
    protected $table = 'course_member';
    protected $alias = 'm';

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

    public function findByCourseId($courseId)
    {
        return $this->findByFields(array(
            'courseId' => $courseId,
        ));
    }

    public function findUserIdsByCourseId($courseId)
    {
        $sql = "SELECT userId FROM {$this->table} WHERE courseId = ?";

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

    public function findByUserId($userId)
    {
        return $this->findByFields(array(
            'userId' => $userId,
        ));
    }

    public function findByCourseIds($courseIds)
    {
        return $this->findInField('courseId', $courseIds);
    }

    public function getByCourseIdAndUserId($courseId, $userId)
    {
        return $this->getByFields(array(
            'courseId' => $courseId,
            'userId' => $userId,
        ));
    }

    public function findLearnedByCourseIdAndUserId($courseId, $userId)
    {
        $sql = "SELECT * FROM {$this->table()} WHERE courseId = ? AND userId = ? AND isLearned = 1";

        return $this->db()->fetchAll($sql, array($courseId, $userId));
    }