<?php
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namespace app\shop\model\product;
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use think\facade\Cache;
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use app\common\model\product\Category as CategoryModel;
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/**
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* 商品分类模型
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*/
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class Category extends CategoryModel
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{
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/**
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* 添加新记录
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*/
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public function add($data)
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{
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$data['app_id'] = self::$app_id;
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$this->deleteCache();
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return $this->save($data);
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}
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/**
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* 编辑记录
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*/
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public function edit($data)
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{
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// 验证：一级分类如果存在子类，则不允许移动
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if ($data['parent_id'] > 0 && static::hasSubCategory($this['category_id'])) {
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$this->error = '该分类下存在子分类，不可以移动';
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return false;
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}
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$this->deleteCache();
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// !array_key_exists('image_id', $data) && $data['image_id'] = 0;
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return $this->save($data) !== false;
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}
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/**
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* 删除商品分类
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*/
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public function remove($categoryId)
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{
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// 判断是否存在商品
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if ($productCount = (new Product)->getProductTotal(['category_id' => $categoryId])) {
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$this->error = '该分类下存在' . $productCount . '个商品，不允许删除';
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return false;
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}
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// 判断是否存在子分类
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if (static::hasSubCategory($categoryId)) {
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$this->error = '该分类下存在子分类，请先删除';
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return false;
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}
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$this->deleteCache();
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return $this->delete();
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}
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/**
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* 删除缓存
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*/
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private function deleteCache()
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{ Cache::delete('category_all_' . static::$app_id);
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return Cache::delete('category_' . static::$app_id);
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}
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}
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