<?php

namespace common\models;

use yii\behaviors\TimestampBehavior;
use yii\db\ActiveRecord;

class HospitalYard  extends \common\modelsgii\HospitalYard
{
    public function behaviors()
    {
        return [
            [
                'class' => TimestampBehavior::class,
                'attributes' => [
                    ActiveRecord::EVENT_BEFORE_INSERT => ['created_at','updated_at'],
                    ActiveRecord::EVENT_BEFORE_UPDATE => ['updated_at'],
                ],
            ],
        ];
    }


    /**
     * 科室
     */
    public function getDepartments(){
        //一个院区对应多个科室，一个科室对应多个院区
        return $this->hasMany(HospitalDepartment::class, ['id' => 'depart_id'])
            ->viaTable(HospitalYardDepartment::tableName(), ['yard_id' => 'id']);
    }
}