<?php
/**
 * @author: CeeFee
 * @description: 考试
 */

class SPaper extends MyActiveRecord
{
	public static function model($className = __CLASS__)
	{
		return parent::model($className);
	}
	
	public function tableName()
	{
		return 'paper';
	}
	
	public function getPapersByExamId($examId)
	{
		$result = array();
		
		if ($examId AND is_numeric($examId))
		{
			$criteria = new CDbCriteria();
			$criteria->addCondition("exam_id = '". $examId ."'");
			$criteria->order = 'paper_layer ASC, paper_id ASC';
			
			$result = getAttributes($this->findAll($criteria));
		}
		
		return $result;
	}
	
	public function getPaperIdsByExamId($examId)
	{
		$result = array();
		$papers = $this->getPapersByExamId($examId);
		
		if ($papers)
		{
			foreach ($papers AS $paper)
			{
				$result[] = $paper['paper_id'];
			}
		}
		
		return $result;
	}
	
	public function getDetailByPaperId($paperId)
	{
		$result = array();
		
		if ($paperId AND is_numeric($paperId))
		{
			$criteria = new CDbCriteria();
			$criteria->addCondition("paper_id = '". $paperId ."'");
			
			$result = getAttribute($this->find($criteria));
		}
		
		return $result;
	}
	
	public function getDetailByExamId_PaperLayer($examId, $paperLayer)
	{
		$result = array();
		
		if ($examId AND is_numeric($examId))
		{
			$criteria = new CDbCriteria();
			$criteria->addCondition("exam_id = '". $examId ."' AND paper_layer = '". $paperLayer ."'");
				
			$result = getAttribute($this->find($criteria));
		}
		
		return $result;
	}

    /**
     * 获取试卷总分
     * @param $paperIds
     * @return bool|CDbDataReader|int|mixed|string
     */
    public function getPaperScore($paperIds){

        $score = 0;
	    if($paperIds && is_array($paperIds)){
            $paperIds = array_values($paperIds);

            $sql = "select score from paper where paper_id = {$paperIds[0]}";
            $score	=	$this->getCommandBuilder()->createSqlCommand($sql)->queryScalar();
        }


        return $score;
    }

    /**
     * 获取考试对应的试卷id
     * @param $examIds
     * @return array
     */
    public function getPaperIdsByExamIds($examIds){

        $paperIds = $examRelIds = array();
        if($examIds && is_array($examIds)){

            $sql = "select paper_id,exam_id from paper where exam_id in (".implode(',',$examIds).")";
            $paperInfo	=	$this->getCommandBuilder()->createSqlCommand($sql)->queryAll();
            if($paperInfo){
                foreach ($paperInfo as $item) {
                    $paperIds[$item['exam_id']] = $item['paper_id'];
                    $examRelIds[$item['paper_id']] = $item['exam_id'];
                }
            }
        }


        return array($paperIds,$examRelIds);
    }
}