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124 lines
4.0 KiB
124 lines
4.0 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\common\model;
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use cores\BaseModel;
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use think\model\relation\BelongsTo;
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/**
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* 商品规格关系模型
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* Class GoodsSpecRel
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* @package app\common\model
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*/
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class GoodsSpecRel extends BaseModel
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{
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// 定义表名
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protected $name = 'goods_spec_rel';
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// 定义主键
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protected $pk = 'id';
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protected $updateTime = false;
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/**
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* 关联规格组
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* @return BelongsTo
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*/
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public function spec(): BelongsTo
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{
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return $this->belongsTo('Spec');
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}
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/**
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* 关联规格值
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* @return BelongsTo
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*/
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public function specValue(): BelongsTo
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{
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return $this->belongsTo('SpecValue');
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}
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/**
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* 指定商品的规格列表
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* @param int $goodsId 商品ID
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* @return array
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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public static function getSpecList(int $goodsId): array
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{
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// 获取指定商品的规格值关系记录
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$data = static::getList($goodsId);
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// 规格组
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$groupData = [];
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foreach ($data as $groupKey => $item) {
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$groupData[$item['spec_id']] = [
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'spec_id' => $item['spec']['spec_id'],
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'spec_name' => $item['spec']['spec_name']
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];
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}
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// 去除索引
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$specList = array_values($groupData);
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// 规格值
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foreach ($specList as $groupKey => &$group) {
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$group['key'] = $groupKey;
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foreach ($data as $valueKey => $item) {
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($item['spec_id'] == $group['spec_id']) && $group['valueList'][] = [
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'key' => isset($group['valueList']) ? count($group['valueList']) : 0,
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'groupKey' => $groupKey,
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'spec_value_id' => $item['specValue']['spec_value_id'],
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'spec_value' => $item['specValue']['spec_value']
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];
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}
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}
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return $specList;
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}
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/**
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* 获取指定商品的规格值关系记录
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* @param int $goodsId 商品ID
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* @return iterable|\think\model\Collection|\think\Paginator
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* @throws \think\db\exception\DataNotFoundException
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* @throws \think\db\exception\DbException
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* @throws \think\db\exception\ModelNotFoundException
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*/
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private static function getList(int $goodsId)
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{
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$list = (new static)->where('goods_id', '=', $goodsId)->select();
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return static::preload($list, ['spec', 'specValue']);
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}
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/**
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* 批量写入商品与规格值关系记录
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* @param int $goodsId 商品ID
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* @param array $specList 规格数据
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* @param int|null $storeId 商城ID
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* @return array|false
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*/
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public static function increased(int $goodsId, array $specList, int $storeId = null)
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{
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$dataset = [];
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foreach ($specList as $item) {
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foreach ($item['valueList'] as $specValueItem) {
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$dataset[] = [
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'goods_id' => $goodsId,
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'spec_id' => $item['spec_id'],
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'spec_value_id' => $specValueItem['spec_value_id'],
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'store_id' => $storeId ?: self::$storeId
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];
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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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