src/Biz/Question/Dao/Impl/QuestionDaoImpl.php

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<?php

namespace Biz\Question\Dao\Impl;

use Biz\Question\Dao\QuestionDao;
use Codeages\Biz\Framework\Dao\AdvancedDaoImpl;

class QuestionDaoImpl extends AdvancedDaoImpl implements QuestionDao
{
    protected $table = 'question';

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

    public function findQuestionsByParentId($id)
    {
        return $this->findInField('parentId', array($id));
    }

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

    public function findQuestionsByCopyId($copyId)
    {
        return $this->findInField('copyId', array($copyId));
    }

    public function deleteSubQuestions($parentId)
    {
        return $this->db()->delete($this->table(), array('parentId' => $parentId));
    }

    public function deleteByCourseSetId($courseSetId)
    {
        return $this->db()->delete($this->table(), array('courseSetId' => $courseSetId));
    }

    public function copyQuestionsUpdateSubCount($parentId, $subCount)
    {
        $sql = "UPDATE {$this->table()} SET subCount = ? WHERE copyId = ?";

        return $this->db()->executeUpdate($sql, array($subCount, $parentId));
    }

    public function getQuestionCountGroupByTypes($conditions)
    {
        $builder = $this->createQueryBuilder($conditions)
            ->select('count(id) as questionNum, type');

        $builder->addGroupBy('type');

        return $builder->execute()->fetchAll() ?: array();
    }

    public function declares()
    {