初始版本

server/app/adminapi/validate/goods/GoodsCategoryValidate.php

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+<?php
+// +----------------------------------------------------------------------
+// | likeshop开源商城系统
+// +----------------------------------------------------------------------
+// | 欢迎阅读学习系统程序代码，建议反馈是我们前进的动力
+// | gitee下载：https://gitee.com/likeshop_gitee
+// | github下载：https://github.com/likeshop-github
+// | 访问官网：https://www.likeshop.cn
+// | 访问社区：https://home.likeshop.cn
+// | 访问手册：http://doc.likeshop.cn
+// | 微信公众号：likeshop技术社区
+// | likeshop系列产品在gitee、github等公开渠道开源版本可免费商用，未经许可不能去除前后端官方版权标识
+// |  likeshop系列产品收费版本务必购买商业授权，购买去版权授权后，方可去除前后端官方版权标识
+// | 禁止对系统程序代码以任何目的，任何形式的再发布
+// | likeshop团队版权所有并拥有最终解释权
+// +----------------------------------------------------------------------
+// | author: likeshop.cn.team
+// +----------------------------------------------------------------------
+
+namespace app\adminapi\validate\goods;
+
+
+use app\common\model\goods\Goods;
+use app\common\model\goods\GoodsCategory;
+use app\common\validate\BaseValidate;
+
+class GoodsCategoryValidate extends BaseValidate
+{
+    protected $rule = [
+        'id' => 'require|checkId',
+        'name' => 'require|checkName|max:8',
+        'pid' => 'checkPid',
+        'sort' => 'number|max:5',
+        'is_show' => 'require|in:0,1',
+        'is_recommend' => 'in:0,1'
+    ];
+
+    protected $message = [
+        'id.require' => '参数错误',
+        'name.require' => '请输入分类名称',
+        'name.max' => '分类名称不能超过八个字',
+        'sort.number' => '排序必须为纯数字',
+        'sort.max' => '排序最大不能超过五位数',
+        'is_show.require' => '请选择状态',
+        'is_show.in' => '状态取值范围在[0,1]',
+        'is_recommend.in' => '首页显示取值范围在[0,1]',
+    ];
+
+    public function sceneAdd()
+    {
+        return $this->only(['name','pid','sort','is_show','is_recommend']);
+    }
+
+    public function sceneDetail()
+    {
+        return $this->only(['id']);
+    }
+
+    public function sceneEdit()
+    {
+        return $this->only(['id','name','pid','sort','is_show','is_recommend']);
+    }
+
+    public function sceneDel()
+    {
+        return $this->only(['id'])
+            ->append('id','checkDel');
+    }
+
+    public function sceneStatus()
+    {
+        return $this->only(['id','is_show']);
+    }
+
+    /**
+     * @notes 检验ID
+     * @param $value
+     * @param $rule
+     * @param $data
+     * @return bool|string
+     * @author ljj
+     * @date 2022/2/8 4:32 下午
+     */
+    public function checkId($value,$rule,$data)
+    {
+        $result = GoodsCategory::where('id',$value)->findOrEmpty();
+        if ($result->isEmpty()) {
+            return '服务分类不存在';
+        }
+        return true;
+    }
+
+    /**
+     * @notes 检验分类名称
+     * @param $value
+     * @param $rule
+     * @param $data
+     * @return bool|string
+     * @author ljj
+     * @date 2022/2/8 4:36 下午
+     */
+    public function checkName($value,$rule,$data)
+    {
+        $where[] = ['name','=',$value];
+        if (isset($data['id'])) {
+            $where[] = ['id','<>',$data['id']];
+        }
+        $result = GoodsCategory::where($where)->findOrEmpty();
+        if (!$result->isEmpty()) {
+            return '分类名称已存在，请重新输入';
+        }
+        return true;
+    }
+
+    /**
+     * @notes 检验父级分类
+     * @param $value
+     * @param $rule
+     * @param $data
+     * @return bool|string
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @author ljj
+     * @date 2022/2/8 4:59 下午
+     */
+    public function checkPid($value,$rule,$data)
+    {
+        if (!isset($value)) {
+            return true;
+        }
+
+        $level = GoodsCategory::where('id',$value)->value('level');
+        if (!$level) {
+            return '所选父级分类不存在';
+        }
+//        if ($level > 2) {
+//            return '所选父级分类已经是最大分级';
+//        }
+        if ($level > 1) {
+            return '所选父级分类已经是最大分级';
+        }
+
+        //编辑
+        if (isset($data['id'])) {
+            $category_two = GoodsCategory::where('pid',$data['id'])->find();
+//            if ($category_two && $level > 1) {
+//                return '所选父级分类超过最大分级';
+//            }
+            if ($category_two) {
+                return '所选父级分类超过最大分级';
+            }
+
+//            $category_three = $category_two ? GoodsCategory::where('pid',$category_two['id'])->find() : [];
+//            if ($category_three) {
+//                return '目前分类已达最大分级，不能选择父级分类';
+//            }
+
+            if ($value == $data['id']) {
+                return '不能选择自己作为父级';
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * @notes 检验分类能否删除
+     * @param $value
+     * @param $rule
+     * @param $data
+     * @return bool|string
+     * @throws \think\db\exception\DataNotFoundException
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @author ljj
+     * @date 2022/2/8 6:33 下午
+     */
+    public function checkDel($value,$rule,$data)
+    {
+        $result = Goods::where(['category_id'=>$value])->select()->toArray();
+        if ($result) {
+            return '服务分类正在使用中，无法删除';
+        }
+        $result = GoodsCategory::where(['pid'=>$value])->select()->toArray();
+        if ($result) {
+            return '该分类存在下级，无法删除';
+        }
+        return true;
+    }
+}