<?php

use app\model\ExamEmpResult;
use app\model\ExamPaper;
use think\migration\Migrator;
use think\migration\db\Column;

class AddEndmaketimeToExamResult extends Migrator
{
    /**
     * Change Method.
     *
     * Write your reversible migrations using this method.
     *
     * More information on writing migrations is available here:
     * http://docs.phinx.org/en/latest/migrations.html#the-abstractmigration-class
     *
     * The following commands can be used in this method and Phinx will
     * automatically reverse them when rolling back:
     *
     *    createTable
     *    renameTable
     *    addColumn
     *    renameColumn
     *    addIndex
     *    addForeignKey
     *
     * Remember to call "create()" or "update()" and NOT "save()" when working
     * with the Table class.
     */
    public function change()
    {
        $this->table('exam_emp_result')
            ->addColumn('endmaketime', 'integer', ['comment' => '考试结束时间', 'default' => 0])
            ->update();

        $paper = ExamPaper::column('duringtime*60 as duringtime, endtime', 'id');
        $result = ExamEmpResult::select();
        // 更新时间
        foreach ($result as $r) {
            $r->startmaketime = date('Y-m-d H:i:s', strtotime($r->addtime) - $r->time_spend * 60);
            $endTime = strtotime($r->startmaketime) + $paper[$r->paper_id]['duringtime'];
            $paperEndtime = strtotime($paper[$r->paper_id]['endtime']);
            if ($endTime > $paperEndtime) $endTime = $paperEndtime;
            $r->endmaketime = $endTime;
            $r->save();
        }
    }
}