<?php

/**
 * 业务后台学生模型类
 * @author jiangfei
 * @date 2015-07-20 19:30:00
 * @company 上海风车教育有限公司.
 */

class BusinessStudent extends BusinessActiveRecord{
	
	public static function model($className = __CLASS__){
		return parent::model($className);
	}

	public function tableName(){
		return "student";
	}

	public function primaryKey()
	{
		return array('student_id');
	}
	//根据uuid获取学生信息
	public function getStudentById($id){
		$info	=	$this->find('student_id=:stid',array(':stid'=>$id));
		if (empty($info)) {
			return null;
		} else {
			return $info->username;
		}
	}

	public function getStudentByUsernames($userNames)
	{
		$criteria	=	new CDbCriteria();
		$criteria->addInCondition('username',$userNames);
		$info	=	$this->findAll($criteria);
		if (empty($info)) {
			return false;
		} else {
			return $info;
		}
	}
	public function getStudentByUsernamesAndSchoolId($userNames,$school_id)
	{
		$criteria	=	new CDbCriteria();
		$criteria->addInCondition('username',$userNames);
		$criteria->addCondition('school_id=:school_id');
		$criteria->params[':school_id']=$school_id;
		$info	=	$this->findAll($criteria);
		if (empty($info)) {
			return false;
		} else {
			return $info;
		}
	}
        
        public function getStatus1ByStudentIds($studentIds,$school_id)//获取有效学生
	{
		$student_id=array();
		
		if ($studentIds && is_array($studentIds)) {
			$criteria = new CDbCriteria();
			$criteria->addCondition('school_id=:school_id');
                        $criteria->params[':school_id']=$school_id;
                        $criteria->addCondition('status=0');
			$criteria->addInCondition('student_id', $studentIds);
			
			$students = getAttributes($this->findAll($criteria));
			
			if ($students) {
				foreach ($students as $student) {
					$student_id[]=$student['student_id'];
				}
			}
		}
		
		return $student_id;
	}

        
        public function getCardsByStudentIds($studentIds)
	{
		$result = array();
		
		if ($studentIds && is_array($studentIds)) {
			$criteria = new CDbCriteria();
			$criteria->select = 'student_id, student_card, school_student_card';
			$criteria->addInCondition('student_id', $studentIds);
			
			$students = getAttributes($this->findAll($criteria));
			
			if ($students) {
				$result[0] = array();
				$result[1] = array();
				
				foreach ($students as $student) {
					$result[0][$student['student_id']] = $student['student_card'];
					$result[1][$student['student_id']] = $student['school_student_card'];
				}
			}
		}
		
		return $result;
	}
        
        
        //过滤无效学生
        public function keepStudentsStatus_0($studentIds){
            $result = array();

            if ($studentIds && is_array($studentIds)) {
                $criteria = new CDbCriteria();

                $criteria->select = 'student_id,status';
                $criteria->addInCondition('student_id',$studentIds);
                
                $students = getAttributes($this->findAll($criteria));
                if($students){
                    foreach($students as $student){
                        if($student['status'] == 0){
                            $result[] = $student['student_id'];
                        }
                    }
                }
                
            }
            return $result;
            
        }
        
        
        //分页获取学生数据
        public function getStudentsByPages($schoolId){
            $result = array();
            
            $sql = "select count(0) as count from student where school_id = '{$schoolId}' order by student_id desc";
            $countArr = Yii::app()->businessDb->createCommand($sql)->queryRow();
            if($countArr && $countArr['count']){
                $count = $countArr['count'];
                $limit = 10000;
                $page = ceil($count/$limit);
                
                $_sql = "select `student_id`,`username`,`student_card`,`school_student_card`,`zhixue_student_card`,`password`,`school_id`,`register_time` from student where school_id = '{$schoolId}' order by student_id desc";
                for($a = 1;$a <= $page;$a++){
                    $offset = ($a - 1)*$limit;
                    $_sqls = $_sql." limit {$offset},{$limit}";
                    $data = Yii::app()->businessDb->createCommand($_sqls)->queryAll();
                    foreach($data as $k=>$v){
                        $result['b_student'][$v['student_id']] = $v;
                        $result['b_student_ids'][$v['student_id']] = $v['student_id'];
                        $result['b_id_student_cards'][$v['student_id']] = $v['student_card'];
                        $result['b_id_school_student_cards'][$v['student_id']] = $v['school_student_card'];
                        $result['b_id_zhixue_student_cards'][$v['student_id']] = $v['zhixue_student_card'];
                        if($v['student_card'])
                        {
                                $result['b_student_cards'][$v['student_card']]	=	$v['student_id'];
                        }
                        if($v['school_student_card'])
                        {
                                $result['b_school_student_cards'][$v['school_student_card']]	=	$v['student_id'];
                        }
                    }
                    unset($data);
                }
            }
            return $result;
        }
        
        //获取学生数据（schoolId,zhixue_student_card）
        public function getStudentsBySchoolIdAndZhixuecard($schoolId,$zhixue_student_card){
            $result = array();
            if(!$zhixue_student_card){
                $zhixue_student_card = array();
            }
            $sql = "select student_id,zhixue_student_card from student where school_id = '{$schoolId}' and zhixue_student_card in (".implode(',',$zhixue_student_card).")";
            $data = Yii::app()->businessDb->createCommand($sql)->queryAll();
            if($data){
                return $data;
            }else{
                return $result;
            }
            
        }
	
}