qimall/addons/GroupBuy/common/logic/order/marketing/GroupBuyActiveMarketing.php

<?php

namespace addons\GroupBuy\common\logic\order\marketing;

use addons\GroupBuy\common\models\GroupBuyActive;
use common\enums\StatusEnum;
use common\logic\order\marketing\BaseMarketing;

/**
 * 检查活动免费开团
 */
class GroupBuyActiveMarketing extends BaseMarketing
{
    public function execute($form)
    {

    }

    /**
     * @param $item
     * @param $form
     * @param $extra
     *
     * @return mixed
     */
    public static function compute($item, &$form, &$extra = [])
    {
        // 不是团长
        if (empty($item['mch_order_info']['is_commander'])) {
            return $item;
        }

        // 开团是否免费
        if (
            !GroupBuyActive::find()
                ->where([
                    'id' => $form->data['active_id'],
                    'status' => StatusEnum::ENABLED,
                    'mall_id' => $form->mall_id,
                    'is_initiator_free' => StatusEnum::ENABLED
                ])
                ->exists()
        ) {
            return $item;
        }

        $item['mch_order_info']['pay_money'] = max(bcsub($item['mch_order_info']['pay_money'], $item['mch_order_info']['goods_price'], 2), 0);
        $item['mch_order_info']['group_buy_price'] = max(bcsub($item['mch_order_info']['group_buy_price'], $item['mch_order_info']['goods_price'], 2), 0);
        $item['mch_order_info']['is_free'] = 1; // 免费开团标识
        $form->marketing['deduct']['is_free_open_group'] = ['name' => '优惠金额', 'money' => $item['mch_order_info']['goods_price']];
        return $item;
    }
}