<?php
Yii::import('application.models.*');
/**
 * 批量更新超印发送学生打印状态(一次性)
 */

class DownloadStatusBatchCommand extends CConsoleCommand {
    public function init() {
        parent::init();

        @ini_set('memory_limit', '1024M');
        set_time_limit(0);
    }

    public function actionIndex($YII_ENV='development')
    {
        echo 'start 批量更新超印任务学生下载状态脚本开始处理.....'.PHP_EOL;
        $schools = $this->getSchools();
        foreach ($schools as $school){
            echo '开始处理学校'.$school['business_school_id'].PHP_EOL;
            $tasks = $this->getTaskBySchoolId($school['business_school_id']);
            foreach ($tasks as $task){
                $studentIds = $this->getStudentIdsByTaskId($task['task_id']);
                $schoolDbCon   = $this->getSchoolDbCon($school['business_school_id']);
                if(!$schoolDbCon){
                    echo '学校库连接失败'.PHP_EOL;
                }
                if($studentIds) {
                    $this->updateDownloadStatus($schoolDbCon, $task['exam_id'], $task['clazz_id'], $studentIds, $task['goods_type_id'], $task['download_time']);
                    $schoolDbCon->close();
                }
                echo $task['task_id'].'超印任务处理完成'.PHP_EOL;
            }
            echo '学校'.$school['business_school_id'].'处理完毕'.PHP_EOL;
            sleep(0.5);
        }
        $this->finishCommand();
        echo 'end 更新超印任务学生下载状态脚本处理完成'.PHP_EOL;
        exit;
    }

    /**
     * 获取所有有云印任务的学校
     * @return mixed
     */
    private function getSchools()
    {
        $imsDb = Yii::app()->imsDb;

        $sql   = "select DISTINCT business_school_id from cloud_print_task where status in (1,2,3) and exam_id<>0 GROUP BY business_school_id;";
        $schools = $imsDb->createCommand($sql)->queryAll();
        $imsDb->close();
        return $schools;
    }


    /**
     * 获取学校下所有超印任务
     * @param $schoolId
     * @return mixed
     */
    private function getTaskBySchoolId($schoolId)
    {
        $imsDb = Yii::app()->imsDb;
        $sql   = "select  task_id,clazz_id,exam_id,task_name,goods_type_id,download_time from cloud_print_task  WHERE business_school_id = '{$schoolId}' and status in (1,2,3) and exam_id<>0;";
        $tasks = $imsDb->createCommand($sql)->queryAll();
        $imsDb->close();
        return $tasks;
    }


    /**
     * 获取任务所有关联学生
     * @param $taskId
     * @return mixed
     */
    private function getStudentIdsByTaskId($taskId)
    {
        $imsDb = Yii::app()->imsDb;
        $sql   = "SELECT d.student_id FROM cloud_print_task t JOIN cloud_print_task_detail d ON t.task_id=d.task_id WHERE t.task_id='{$taskId}';";
        $students = $imsDb->createCommand($sql)->queryAll();
        $imsDb->close();
        $studentIds = array();
        foreach ($students as $student){
            $studentIds[] = $student['student_id'];
        }
        return $studentIds;
    }

    /**
     * 更新班级考试打印及学生下载状态
     * @param $con        //数据库连接
     * @param $examId     //考试id
     * @param $classId    //班级id
     * @param $studentIds //学生id数组
     * @param $type       //商品类型
     * @param $time       //下载时间
     */
    private function updateDownloadStatus($con, $examId, $classId, $studentIds, $type, $time)
    {
        $time = strtotime($time);
        $con->createCommand("UPDATE class_exam_printer SET is_print=1,print_time={$time} WHERE class_id='{$classId}' AND exam_id='{$examId}' AND type={$type} AND is_print=0;")->execute();
        $stuIds = trim(implode(',',$studentIds),',');

        $referCode = $con->createCommand("SELECT s.refer_code FROM exam e JOIN semester s ON e.semester_id=s.semester_id WHERE e.exam_id = '{$examId}';")->queryScalar();

        $tableName = 'student_paper_relation_'.$referCode;

        $isExist = $con->createCommand("select * from information_schema.TABLES where TABLE_SCHEMA=(select database()) and `table_name` ='{$tableName}';")->queryAll();

        if(!$isExist){
            $tableName = 'student_paper_relation';
        }

        switch ($type){
            case 1:
                $con->createCommand("UPDATE {$tableName} SET is_wrongbook_download=1,download_wrongbook_time={$time} WHERE class_id='{$classId}' AND exam_id='{$examId}' AND student_id IN ({$stuIds}) AND is_wrongbook_download=0;")->execute();
                break;
            case 2:
                $con->createCommand("UPDATE {$tableName} SET is_two_isp_download=1,download_two_isp_time={$time} WHERE class_id='{$classId}' AND exam_id='{$examId}' AND student_id IN ({$stuIds}) AND is_two_isp_download=0;")->execute();
                break;
            case 3:
                $con->createCommand("UPDATE {$tableName} SET is_three_isp_download=1,download_three_isp_time={$time} WHERE class_id='{$classId}' AND exam_id='{$examId}' AND student_id IN ({$stuIds}) AND is_three_isp_download=0;")->execute();
                break;
            default:
                echo '商品类型异常'.PHP_EOL;
                break;
        }
    }


    /**
     * 学校库连接
     * @param $schoolId
     * @return bool|CDbConnection
     */
    public function getSchoolDbCon($schoolId){
        $db = BusinessDatabase::model()->find('school_id=:sid',array(':sid'=>$schoolId));
        if(empty($db)){
            return false;
        }

        $myDbDsn = 'mysql:host='.$db->database_host.';dbname='.$db->database_name;
        $my_connection = new CDbConnection($myDbDsn,$db->database_user,$db->database_password);

        $my_connection->emulatePrepare 	= true;
        $my_connection->enableProfiling = true;
        $my_connection->enableParamLogging = true;

        $myDbDsn = null;

        return $my_connection;
    }

    public function finishCommand()
    {
        $connection = BusinessCloudPrintTask::model()->getDbConnection();
        $time = time();
        $connection->createCommand("INSERT INTO cloud_print_task_pack (pack_status,create_time) VALUES (3,{$time});")->execute();
    }
}