qimall/addons/Seckill/common/logic/order/purchase/BuyNowPurchase.php

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

use addons\GroupBuy\common\models\GroupBuyActiveGoodsAttr;
use addons\ScoreMall\common\enums\ScoreMallEnum;
use addons\ScoreMall\common\models\ScoreMallGoods;
use addons\Seckill\common\enums\SeckillEnum;
use addons\Seckill\common\logic\ActivityLogic;
use addons\Seckill\common\models\SeckillActivity;
use common\enums\GoodsTypeEnum;
use common\enums\StatusEnum;
use common\helpers\ArrayHelper;
use common\helpers\BcHelper;
use addons\GroupBuy\common\logic\order\OrderFormLogic;
use common\models\goods\GoodsAttr;
use common\models\mall\Mall;
use common\models\order\OrderDetail;
use common\models\user\User;
use Exception;
use yii\helpers\Json;

/**
 * 立即付款订单处理
 * @Author bing
 * @DateTime 2021-09-23 09:40:40
 * @copyright: Copyright (c) 2020 广东七件事集团
 */
class BuyNowPurchase extends BasePurchase {

    /**
     * @desc:执行
     * @Author: hua
     * @Date: 2021/12/15
     * @Time: 9:56
     * @Copyright: copyright (c) 2021 广东七件事集团
     * @param  $form
     * @return object|false
     */
    public function execute( $form){
        try {
            //开关设置
            $config = \Yii::$app->services->setting->addons->get($form->mall_id, SeckillEnum::ADDONS_NAME, 'basic');

            if($config && !$config['status']){
                throw new Exception('活动不存在');
            }

            $data = is_array($form->data)?$form->data:Json::decode($form->data,true);
            //秒杀活动检测
            if(!isset($data['activity_id'])) throw new Exception('参数不合理');

            $activity = SeckillActivity::getActivityByCache($data['activity_id']);
            if(!$activity || $activity['mall_id'] != $form->mall_id ){
                throw new Exception('活动不存在');
            }
            //替换传参过来的 attr_id
            $data['attr_id'] =  $activity['attr_id'];

            // 合法性验证
            $user = User::getOne([['id'=>$form->user_id,'mall_id'=>$form->mall_id]]);
            if(empty($user)) throw new Exception('下单用户不存在');
            if(!isset($data['num']) || (int)$data['num'] < 1) throw new Exception('请设置正确的下单数量');
            $sku = GoodsAttr::getOne([['<>','status',StatusEnum::DELETE],['id'=>$data['attr_id']]],true,['goods','goods.extra']);
            if(empty($sku) || empty($sku['goods']))  throw new Exception('找不到产品信息');
            if($sku['goods']['is_on_sale']==0) throw new Exception('商品已下架');
            if(in_array($sku['goods']['goods_type'],[GoodsTypeEnum::GoodsTypePhysical])) {
                $data['mall_id'] = $form->mall_id;
                $this->checkAddress($form['action'],$data,$form->user_id);
                $form['is_address'] = 1;
            }
            //$buy_num = $data['num'];
            $buy_num = 1;  //秒杀只能1件
            if ($buy_num > $sku['stock']) throw new Exception('商品' . $sku['goods']['goods_name'] . '库存不足! ');


            //秒杀活动状态检测
            $activity['activity_status'] = SeckillActivity::checkActivityStatus($activity['begin_time'],$activity['end_time']);
            if($activity['activity_status'] == SeckillActivity::ACTIVITY_STATUS_WAIT){
                throw new Exception('活动尚未开始');
            }
            if($activity['activity_status'] == SeckillActivity::ACTIVITY_STATUS_END){
                throw new Exception('活动已结束');
            }

            //秒杀活动库存检测
            $stock = ActivityLogic::getNowStock($data['activity_id']);
            if($stock <= 0 ){
                throw new Exception('商品已售罄');
            }

            $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 = $activity['price'];  //秒杀活动价格

            $order_goods->goods_price = BcHelper::mul($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);
            // unset($sku['product']);
            $form->sku[$sku['goods_id']] = $sku;
            $form->user = $user;


            $form->activity = $activity;

            return $form;
        } catch (Exception $e) {
            $this->setError($e->getMessage());
            return false;
        }
    }
    /**
     * 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 'buy_now';
    }


}