qimall/addons/Seckill/common/logic/order/RestrictionsMarketingLogic.php

<?php

namespace addons\Seckill\common\logic\order;

use addons\Seckill\common\models\SeckillActivityOrder;
use addons\Seckill\common\models\SeckillActivityUser;
use common\enums\StatusEnum;
use common\logic\order\BaseOrderLimit;
use common\logic\order\limit\BaseLimit;
use Exception;

class RestrictionsMarketingLogic extends BaseLimit
{
    public function execute($form)
    {

    }

    public static function compute($form)
    {
        try {
            // 获取当前活动设置的限购数量
            $limitNum = $form['activity']['limit_nums'] ?? 0;
            if (!empty($limitNum)) {
                //dd($form);
                $activity_id = $form['activity']['id'] ?? 0;
                $user_id = $form['user_id'] ?? 0;
                $mall_id = $form['mall_id'] ?? 0;
                if (empty($activity_id) || empty($user_id) || empty($mall_id)) {
                    throw new Exception('参数错误');
                }
                // 如果活动设置了限购数量，那么就判断用户购买数量是否超过限制
                $seckillOrderNum = SeckillActivityUser::find()
                    ->where(['mall_id' => $mall_id, 'user_id' => $user_id, 'activity_id' => $activity_id, 'status' => StatusEnum::ENABLED])
                    ->count();
                if ($seckillOrderNum >= $limitNum) {
                    throw new Exception('您已达到活动限购上限，无法再参与活动');
                }
            }
        } catch (Exception $e) {
            throw new Exception($e->getMessage());
        }
    }
}