qimall/addons/Purchase/common/logic/order/purchase/CartPurchase.php

<?php
namespace addons\Purchase\common\logic\order\purchase;

use common\enums\GoodsTypeEnum;
use common\enums\StatusEnum;
use common\helpers\ArrayHelper;
use common\helpers\BcHelper;
use common\models\goods\GoodsAttr;
use common\models\order\OrderDetail;
use common\models\user\User;
use Yii;
use yii\helpers\Json;
use Exception;


// 购物车付款订单处理
class CartPurchase extends BasePurchase {
    /**
     * 执行
     * @Author bing
     * @DateTime 2021-09-23 09:46:41
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param  $form
     * @return
     */
    public function execute($form){
        $form->data = $data = is_array($form->data)?$form->data:Json::decode($form->data,true);
        $attr_ids = $data['attr_ids'];
        $redis = Yii::$app->redis;
        $result = $redis->hmget('purchase_cart_'.$form->user_id,...$attr_ids);
        $user = User::getOne([['id'=>$form->user_id,'mall_id'=>$form->mall_id]]);
        if(empty($user)) throw new Exception('下单用户不存在');
        $carts = array_map(function ($val){
            return $val?json_decode($val,true):[];
        },$result);
        $attr_id_arr = array_column($carts,'attr_id');
        if(empty($attr_id_arr)) throw new Exception('购物车为空');
        $num_arr = array_column($carts,'num','attr_id');
        $params['where'] = [['=','status',StatusEnum::ENABLED],['id'=>$attr_id_arr]];
        $params['with'] = ['goods','goods.extra'];
        $sku_arr = GoodsAttr::lists($params,true);
        $goods_type = [];
        foreach ($sku_arr as $sku){
            if(empty($sku['goods']['is_on_sale'])) throw new Exception('商品' . $sku['goods']['goods_name'] . '已下架! ');
            if(!in_array($sku['goods']['goods_type'],$goods_type)) $goods_type[] =$sku['goods']['goods_type'];
        }
        if(count($goods_type)>1) throw new Exception('不同类型的商品不能一起下单');
        if(!empty($goods_type)&&in_array($goods_type[0],[GoodsTypeEnum::GoodsTypePhysical])) {
            $data['mall_id'] = $form->mall_id;
            $this->checkAddress($form['action'],$data,$form->user_id);
            $form['is_address'] = 1;
        }
        foreach ($sku_arr as $sku){
            if(empty($sku) || empty($sku['goods']))  throw new Exception('该下单的产品不存在或者已经删除');
            if(empty($num_arr[$sku['id']])) throw new Exception('请设置正确的下单数量');
            $buy_num = $num_arr[$sku['id']];
            if ($buy_num > $sku['stock']) throw new Exception('商品' . $sku['goods']['goods_name'] . '库存不足! ');

            $order_goods = new OrderDetail();
            $order_goods = $order_goods->loadDefaultValues();
            $order_goods->goods_id = $sku['goods_id'];
            $order_goods->goods_name = $sku['goods']['goods_name'];
            $order_goods->goods_attr_id = $sku['id'];
            $order_goods->sign_id = $sku['sign_id'];
            $order_goods->goods_attr_name = $sku['name'];
            $order_goods->num = $buy_num;
            $order_goods->cost_price = $sku['cost_price'];
            $order_goods->price = $sku['price'];
            $order_goods->goods_price = BcHelper::mul($order_goods->num, $order_goods->price);
            $order_goods->original_goods_price = $order_goods->goods_price;
            $order_goods->pic_url = !empty($sku['pic_url']) ? $sku['pic_url'] : $sku['goods']['cover_pic'];
            $order_goods->user_id = $form->user_id;
            $order_goods->mch_id = $sku['goods']['mch_id'];
            $order_goods->mall_id = $form->mall_id;
            // 默认数据带下单数量方便计算
            $goods = $sku['goods'];
            $goods['number'] = $buy_num;
            $form->order_goods[] = ArrayHelper::toArray($order_goods);
            $form->sku[$sku['goods_id']] = $sku;
            $form->user = $user;
        }
        return $form;
    }

    /**
     * 获取下单类型
     * @Author bing
     * @DateTime 2021-09-23 09:48:45
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return string
     */
    public static function getType(): string{
        return 'cart';
    }
}