<?php

/**
 * 学员详细信息模型类
 * @author jiangfei
 * @date 2015-07-20 19:30:00
 * @company 上海风车教育有限公司.
 */

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

	public function tableName(){
		return 'student_info';
	}
	
	
	// 教练列表
	public function getUserList($class_id=array(),$realname='',$sort=''){
	
		$data		=	array();
		$criteria 	= 	new CDbCriteria();
		//if (!empty($class_id)) {
			$criteria->addInCondition('class_id', $class_id);
		//}
		
		!$realname || $criteria->addSearchCondition('realname', $realname);		

		$total 	= 	$this->count($criteria);
		$pager 	= 	new CPagination($total);
		if (empty($sort)) {
			$criteria->order  = 'student_id desc';
		} else {
			if ($sort == 1) {
				$criteria->order  = '(userno+0) asc';
			} else {
				$criteria->order  = '(userno+0) desc';
			}
		}
		
		$pager->pageSize = 20;
		$pager->applyLimit($criteria);
		$data['result']=$this->findAll($criteria);
		$data['page']=$pager;
		$data['page_total']= $total;
		unset($criteria);
		return  $data;
	}
	
	// 获取学员真实姓名
	public function getRealname($stid){
		$res	=	$this->find('student_id=:stid',array(':stid'=>$stid));
		$str	=	'';
		if (!empty($res)) {
			$str	=	$res->realname;
		}
		unset($res);
		return $str;
	}
	
	// 获取学员所属班级id
	public function getClassId($stid){
		$res	=	$this->find('student_id=:stid',array(':stid'=>$stid));
		$str	=	'';
		if (!empty($res)) {
			$str	=	$res->class_id;
		}
		unset($res);
		return $str;
	}

	/**
	 * 获取班级的学生
	 * 作者:刘红伟
	 * 时间:2016-07-19
	 * @param $class_id
	 */
	public function getStudentByClassId($class_id)
	{
		$student_data	=	$this->findAll('class_id=:class_id',array(':class_id'=>$class_id));
		if($student_data)
		{
			return $student_data;
		}
		return false;
	}
        
        public function getStudentInClassId($class_ids)
	{

                $student_data=false;
                if($class_ids){
                    $criteria 	= 	new CDbCriteria();
                    if(!is_array($class_ids)){
                        $criteria->addInCondition('class_id', explode("," ,$class_ids));
                    }else{
                        $criteria->addInCondition('class_id', $class_ids);
                    }
                    $student_data	=	$this->findAll($criteria);
               
                }
               
		if($student_data)
		{
			return $student_data;
		}
		return false;
	}

}