qimall/addons/Store/common/logic/order/OrderMarketingLogic.php

<?php

namespace addons\Store\common\logic\order;

use addons\Coupon\common\models\AddonsCoupon;
use addons\Store\common\logic\order\marketing\CouponMarketing;
use addons\Store\common\logic\order\marketing\CreditMarketing;
use addons\Store\common\logic\order\marketing\FreeShippingMarketing;
use addons\Store\common\logic\order\marketing\FullReduceMarketing;
use addons\Store\common\logic\order\marketing\GiveMarketing;
use addons\Store\common\logic\order\marketing\HigoMarketing;
use addons\Store\common\logic\order\marketing\MemberPriceMarketing;
use addons\Store\common\logic\order\marketing\ScoreDeductionMarketing;
use addons\Store\common\logic\order\marketing\ScoreMarketing;
use addons\Store\common\logic\order\marketing\MemberCardMarketing;
use addons\Store\common\logic\order\marketing\RepurchaseMarketing;
use addons\Store\common\models\StoreCoupon;
use common\logic\order\BaseOrderMarketing;
use common\logic\order\marketing\BaseMarketing;

/**
 * 订单优惠相关处理
 * @Author bing
 * @DateTime 2021-09-22 18:16:58
 * @copyright: Copyright (c) 2020 广东七件事集团
 */
class OrderMarketingLogic extends BaseOrderMarketing
{
    public function getHandlers()
    {
        // TODO: Implement getHandlers() method.
        return [
            RepurchaseMarketing::class,
            FreeShippingMarketing::class, // 运费减免处理
            MemberPriceMarketing::class,  // 会员价折扣
            FullReduceMarketing::class, // 满减减免处理
            CreditMarketing::class, // 赠送处理
            HigoMarketing::class, //嗨值，嗨贝抵扣处理
            MemberCardMarketing::class,// 用户卡处理
            ScoreDeductionMarketing::class, // 积分抵扣 (因为优惠券需要判断积分抵扣后是否满足条件。所以移动到优惠券前面)
            CouponMarketing::class, // 优惠券处理
            GiveMarketing::class, // 赠送处理
        ];
    }

    /**
     * 运行
     * @param  $form
     * @param bool $isNewRecord 创建记录
     * @return object|mixed
     */
    public function run($form, $isNewRecord = false)
    {
        try {
            $extra = [];
            $group_order_goods = $form['group_order_goods'];
            $handlers = $this->getHandlers();
            $total_pay_money = 0;
            foreach ($group_order_goods as &$item) {
                // 运费减免处理
                foreach ($handlers as $key => $handler) {
                    /** @var BaseMarketing $class*/
                    $item = $handler::compute($item, $form, $extra);
                    if ($item === false) throw new \Exception($handler::getStaticError());
                }

                //$form['total_pay_money'] = $item['mch_order_info']['pay_money']; // 计算总额
                $total_pay_money = bcadd($total_pay_money, $item['mch_order_info']['pay_money'], 2);

                // 计算优惠券最后一单金额
                $goodsNum = count($item['goods']);
                if (!empty($item['goods']) && $goodsNum > 1) {
                    // 多个商品时其优惠比例计算容易出现浮点数误差，所以在计算最后一个订单优惠金额时(总金额-前面所有优惠金额)
                    $goodsEndMoney = $this->setEndMoney($item['goods'], $item['mch_order_info']['goods_price']);
                    $goodsKeys = array_keys($item['goods']);
                    $lastKey = end($goodsKeys);
                    foreach ($item['goods'] as $key => $goods) {
                        if ($key == $lastKey) {
                            $item['goods'][$key]['goods_price'] = $goodsEndMoney;
                            // 因为订单详情是列表，所以需要循环设置优惠金额
                            $detailEndMoney = $this->setEndMoney($goods['goods_details'], $item['goods'][$key]['goods_price']);
                            $detailKeys = array_keys($goods['goods_details']);
                            $lastKey = end($detailKeys);
                            foreach ($goods['goods_details'] as $k => $goodsDetail) {
                                if ($k == $lastKey) {
                                    $item['goods'][$key]['goods_details'][$k]['goods_price'] = $detailEndMoney;
                                }
                            }
                        }
                    }
                }

                $form['total_pay_money_not_coupon'] = bcadd(
                    $form['total_pay_money_not_coupon'] ?? 0,
                    bcadd(
                        $item['mch_order_info']['goods_price'] ?? 0,
                        $item['mch_order_info']['coupon_money'] ?? 0,
                        2
                    ),
                    2
                ); // 计算优惠券前金额
            }

            $form['total_pay_money'] = $total_pay_money;
            $form['group_order_goods'] = $group_order_goods;
            $form = StoreCoupon::getCanUseCouponList($form, $isNewRecord);
            return $form;
        } catch (\Exception $e) {
            $this->setError($e->getMessage());
            return false;
        }
    }

    /**
     * 设置最后一个商品的优惠金额
     * @param array $list
     * @param $money
     * @return string
     */
    public function setEndMoney(array $list, $money = 0)
    {
        $otherList = array_slice($list, 0 , count($list) - 1);
        $otherMoney = array_sum(array_column($otherList, 'goods_price'));
        return bcsub(round($money, 2), $otherMoney, 2);
    }
}