初始化项目

2026-09-01 22:15:50 +08:00
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+<?php
+// +----------------------------------------------------------------------
+// | 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 ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
+// +----------------------------------------------------------------------
+// | 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
+// +----------------------------------------------------------------------
+// | Author: 萤火科技 <admin@yiovo.com>
+// +----------------------------------------------------------------------
+declare (strict_types=1);
+
+namespace app\store\model;
+
+use app\common\model\GoodsCategoryRel as GoodsCategoryRelModel;
+
+/**
+ * 商品与分类关系模型
+ * Class GoodsCategoryRel
+ * @package app\store\model
+ */
+class GoodsCategoryRel extends GoodsCategoryRelModel
+{
+    /**
+     * 根据分类ID获取记录总数量
+     * @param int $categoryId
+     * @return int
+     */
+    public static function getCountByCategoryId(int $categoryId)
+    {
+        return (new static)->alias('m')
+            ->join('goods', 'goods.goods_id = m.goods_id')
+            ->where('m.category_id', '=', $categoryId)
+            ->where('goods.is_delete', '=', 0)
+            ->count();
+    }
+
+    /**
+     * 获取商品分类ID集
+     * @param int $goodsId
+     * @return array
+     */
+    public static function getCategoryIds(int $goodsId)
+    {
+        return (new static)->where('goods_id', '=', $goodsId)->column('category_id');
+    }
+
+    /**
+     * 批量写入商品分类记录
+     * @param int $goodsId
+     * @param array $categoryIds
+     * @return array|false
+     */
+    public static function increased(int $goodsId, array $categoryIds)
+    {
+        $dataset = [];
+        foreach ($categoryIds as $categoryId) {
+            $dataset[] = [
+                'category_id' => $categoryId,
+                'goods_id' => $goodsId,
+                'store_id' => self::$storeId
+            ];
+        }
+        return (new static)->addAll($dataset);
+    }
+
+    /**
+     * 更新关系记录
+     * @param $goodsId
+     * @param array $categoryIds 新的分类集
+     * @return array|false
+     * @throws \Exception
+     */
+    public static function updates(int $goodsId, $categoryIds)
+    {
+        // 已分配的分类集
+        $assignCategoryIds = self::getCategoryIdsByGoodsId($goodsId);
+        // 找出删除的分类
+        $deleteCategoryIds = array_diff($assignCategoryIds, $categoryIds);
+        if (!empty($deleteCategoryIds)) {
+            static::deleteAll([
+                ['goods_id', '=', $goodsId],
+                ['category_id', 'in', $deleteCategoryIds]
+            ]);
+        }
+        // 找出添加的分类
+        $newCategoryIds = array_diff($categoryIds, $assignCategoryIds);
+        $dataset = [];
+        foreach ($newCategoryIds as $categoryId) {
+            $dataset[] = [
+                'goods_id' => $goodsId,
+                'category_id' => $categoryId,
+                'store_id' => self::$storeId,
+            ];
+        }
+        return (new static)->addAll($dataset);
+    }
+
+    /**
+     * 获取指定商品的所有分类id
+     * @param int $goodsId
+     * @return array
+     */
+    public static function getCategoryIdsByGoodsId(int $goodsId)
+    {
+        return (new static)->where('goods_id', '=', $goodsId)->column('category_id');
+    }
+
+}