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yanzong/app/common/model/Spec.php

127 lines
4.3 KiB

<?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\common\model;
use cores\BaseModel;
use cores\exception\BaseException;
use app\common\library\helper;
use app\store\model\SpecValue as SpecValueModel;
/**
* 规格/属性(组)模型
* Class Spec
* @package app\common\model
*/
class Spec extends BaseModel
{
// 定义表名
protected $name = 'spec';
// 定义主键
protected $pk = 'spec_id';
protected $updateTime = false;
/**
* 验证规格值是否合法
* @param array $specList
* @throws BaseException
*/
public static function checkSpecData(array $specList)
{
$specNames = helper::getArrayColumn($specList, 'spec_name');
if (count($specList) != count(array_unique($specNames))) {
throwError('很抱歉,不能存在重复的规格组');
}
foreach ($specList as $item) {
$values = helper::getArrayColumn($item['valueList'], 'spec_value');
if (count($item['valueList']) != count(array_unique($values))) {
throwError('很抱歉,不能存在重复的规格值');
}
}
}
/**
* 根据规格值计算能生成的SKU总量
* @param array $specList
* @return int
*/
public static function calcSkuListTotal(array $specList): int
{
$total = 1;
foreach ($specList as $item) {
$total *= \count($item['valueList']);
}
return $total;
}
/**
* 规格组写入数据库并生成id
* 此时的$specList是用户端传来的
* @param array $specList
* @param int|null $storeId
* @return array
* @throws \think\db\exception\DataNotFoundException
* @throws \think\db\exception\DbException
* @throws \think\db\exception\ModelNotFoundException
*/
public static function getNewSpecList(array $specList, int $storeId = null): array
{
// 规格组名称合集
$names = helper::getArrayColumn($specList, 'spec_name');
// 获取到已存在的规格组
$alreadyData = static::getListByNames($names);
// 遍历整理新的规格集
foreach ($specList as $key => &$item) {
$alreadyItem = helper::getArrayItemByColumn($alreadyData, 'spec_name', $item['spec_name']);
if (!empty($alreadyItem)) {
// 规格名已存在的记录spec_id
$item['spec_id'] = $alreadyItem['spec_id'];
} else {
// 规格名不存在的新增记录
$result = static::add($item, $storeId);
$item['spec_id'] = $result['spec_id'];
}
// 规格值写入数据库并生成id
$item['valueList'] = SpecValueModel::getNewValueList((int)$item['spec_id'], $item['valueList'], $storeId);
}
return $specList;
}
/**
* 根据规格组名称集获取列表
* @param array $names
* @return \think\Collection
* @throws \think\db\exception\DataNotFoundException
* @throws \think\db\exception\DbException
* @throws \think\db\exception\ModelNotFoundException
*/
private static function getListByNames(array $names): \think\Collection
{
return (new static)->where('spec_name', 'in', $names)->select();
}
/**
* 新增规格组记录
* @param array $item
* @param int|null $storeId
* @return Spec|\think\Model
*/
private static function add(array $item, int $storeId = null)
{
return self::create([
'spec_name' => $item['spec_name'],
'store_id' => $storeId ?: self::$storeId
]);
}
}