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88 lines
2.9 KiB
88 lines
2.9 KiB
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\store\model;
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use app\common\model\GoodsCategoryRel as GoodsCategoryRelModel;
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/**
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* 商品与分类关系模型
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* Class GoodsCategoryRel
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* @package app\store\model
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*/
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class GoodsCategoryRel extends GoodsCategoryRelModel
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{
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/**
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* 根据分类ID获取记录总数量
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* @param int $categoryId
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* @return int
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*/
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public static function getCountByCategoryId(int $categoryId): int
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{
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return (new static)->alias('m')
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->join('goods', 'goods.goods_id = m.goods_id')
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->where('m.category_id', '=', $categoryId)
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->where('goods.is_delete', '=', 0)
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->count();
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}
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/**
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* 获取商品分类ID集
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* @param int $goodsId
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* @return array
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*/
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public static function getCategoryIds(int $goodsId): array
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{
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return (new static)->where('goods_id', '=', $goodsId)->column('category_id');
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}
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/**
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* 更新关系记录
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* @param int $goodsId
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* @param array $categoryIds 新的分类集
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* @return array|false
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*/
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public static function updates(int $goodsId, array $categoryIds)
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{
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// 已分配的分类集
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$assignCategoryIds = self::getCategoryIdsByGoodsId($goodsId);
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// 找出删除的分类
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$deleteCategoryIds = array_diff($assignCategoryIds, $categoryIds);
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if (!empty($deleteCategoryIds)) {
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static::deleteAll([
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['goods_id', '=', $goodsId],
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['category_id', 'in', $deleteCategoryIds]
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]);
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}
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// 找出添加的分类
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$newCategoryIds = array_diff($categoryIds, $assignCategoryIds);
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$dataset = [];
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foreach ($newCategoryIds as $categoryId) {
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$dataset[] = [
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'goods_id' => $goodsId,
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'category_id' => $categoryId,
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'store_id' => self::$storeId,
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];
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}
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return (new static)->addAll($dataset);
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}
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/**
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* 获取指定商品的所有分类id
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* @param int $goodsId
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* @return array
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*/
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public static function getCategoryIdsByGoodsId(int $goodsId): array
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{
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return (new static)->where('goods_id', '=', $goodsId)->column('category_id');
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}
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}
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