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89 lines
3.0 KiB
89 lines
3.0 KiB
<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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namespace app\store\service;
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use app\store\model\Coupon as CouponModel;
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use app\store\model\UserCoupon as UserCouponModel;
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use app\common\service\BaseService;
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use cores\exception\BaseException;
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/**
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* 优惠券服务类
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* Class Coupon
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* @package app\store\service
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*/
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class Coupon extends BaseService
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{
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/**
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* 批量发放优惠券
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* @param array $data
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* @return bool
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* @throws BaseException
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*/
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public function give(array $data): bool
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{
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// 获取优惠券信息
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$couponInfo = CouponModel::detail($data['couponId']);
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// 验证优惠券是否可领取
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$this->checkReceive($couponInfo, $data);
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// 发放给指定的用户
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if ($data['type'] == 10) {
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return $this->receive($couponInfo, $data['target']['userIds']);
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}
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return true;
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}
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/**
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* 执行批量领取优惠券
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* @param CouponModel $couponInfo 优惠券详情
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* @param array $userIds 用户ID集
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* @return bool
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* @throws BaseException
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*/
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private function receive(CouponModel $couponInfo, array $userIds): bool
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{
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foreach ($userIds as $userId) {
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// 验证当前用户是否已领取
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if (UserCouponModel::checktUserCoupon($couponInfo['coupon_id'], $userId)) {
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throwError("用户(ID:{$userId}) 已领取该优惠券，不能重复发放");
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}
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// 添加领取记录
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$model = new UserCouponModel;
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$model->add($userId, $couponInfo);
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}
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return true;
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}
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/**
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* 验证优惠券是否可领取
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* @param CouponModel $couponInfo 优惠券详情
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* @param array $data
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* @throws BaseException
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*/
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private function checkReceive(CouponModel $couponInfo, array $data)
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{
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// 验证优惠券状态是否可领取
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$model = new CouponModel;
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if (!$model->checkReceive($couponInfo)) {
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throwError($model->getError());
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}
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// 验证优惠券数量是否充足
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$quantity = 0;
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if ($data['type'] == 10) {
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$quantity = count($data['target']['userIds']);
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}
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if ($couponInfo['total_num'] > -1 && ($couponInfo['receive_num'] + $quantity) > $couponInfo['total_num']) {
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throwError('很抱歉，优惠券剩余数量不足 无法发放');
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}
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}
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} |