75 lines
2.4 KiB
PHP
75 lines
2.4 KiB
PHP
<?php
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// +----------------------------------------------------------------------
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// | Catch-CMS Design On 2020
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// +----------------------------------------------------------------------
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// | CatchAdmin [Just Like ～ ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2020 http://catchadmin.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( https://github.com/yanwenwu/catch-admin/blob/master/LICENSE.txt )
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// +----------------------------------------------------------------------
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// | Author: JaguarJack [ njphper@gmail.com ]
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// +----------------------------------------------------------------------
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namespace catchAdmin\cms\model\events;
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use catcher\exceptions\CatchException;
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use catcher\exceptions\FailedException;
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use catcher\Utils;
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trait CategoryEvent
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{
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/**
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* 插入前
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*
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* @time 2021年03月03日
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* @param \think\Model $category
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* @return void
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\db\exception\DataNotFoundException
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*/
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public static function onBeforeInsert(\think\Model $category): void
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{
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if (self::where('name', $category->getData('name'))->find()) {
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throw new FailedException('分类名称重复，请重新填写');
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}
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}
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/**
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* 更新前
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*
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* @time 2021年03月03日
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* @param \think\Model $category
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* @return mixed|void
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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* @throws \think\db\exception\DataNotFoundException
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*/
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public static function onBeforeUpdate(\think\Model $category)
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{
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$data = $category->getData();
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if (isset($data['name'])) {
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$where = $category->getWhere();
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if (self::where('name', $category->getData('name'))->where('id', '<>', $where['id'])->find()) {
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throw new FailedException('分类名称重复，请重新填写');
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}
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}
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}
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/**
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* 删除前
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*
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* @time 2021年03月03日
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* @param $category
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* @return void
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*/
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public static function onBeforeDelete($category)
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{
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if ($category->hasNextLevel()) {
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throw new FailedException('存在下级栏目, 无法删除');
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}
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}
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} |