初始化项目

2026-09-01 22:15:50 +08:00
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+<?php
+// +----------------------------------------------------------------------
+// | 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 ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
+// +----------------------------------------------------------------------
+// | 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
+// +----------------------------------------------------------------------
+// | Author: 萤火科技 <admin@yiovo.com>
+// +----------------------------------------------------------------------
+declare (strict_types=1);
+
+namespace app\api\service\user;
+
+use app\common\library\helper;
+use app\common\service\BaseService;
+use app\api\service\User as UserService;
+use app\api\model\user\Grade as UserGradeModel;
+use cores\exception\BaseException;
+
+/**
+ * 服务类: 会员等级
+ * Class Grade
+ * @package app\api\service\user
+ */
+class Grade extends BaseService
+{
+    /**
+     * 获取当前登录用户的会员等级信息
+     * @param bool $isForce 是否强制验证登录, 如果未登录将抛错
+     * @throws BaseException
+     */
+    public static function getCurrentGradeInfo(bool $isForce = false)
+    {
+        // 当前登录的用户信息
+        $userInfo = UserService::getCurrentLoginUser($isForce);
+        if (empty($userInfo) || empty($userInfo['grade_id'])) {
+            return false;
+        }
+        // 获取会员等级信息
+        $gradeInfo = UserGradeModel::detail($userInfo['grade_id']);
+        if (empty($gradeInfo) || $gradeInfo['is_delete'] || empty($gradeInfo['status'])) {
+            return false;
+        }
+        return $gradeInfo;
+    }
+
+    /**
+     * 获取和计算折扣后的价格
+     * @param $originalPrice
+     * @param $discountRatio
+     * @return string
+     */
+    public static function getDiscountPrice($originalPrice, $discountRatio): string
+    {
+        // 使用高精度方法计算等级折扣; 因bcmach不支持四舍五入, 所以精确计算到3位数, 使用round四舍五入
+        $discountPrice = helper::bcmul($originalPrice, $discountRatio / 10, 3);
+        $discountPrice = round((float)$discountPrice, 2);
+        return helper::number2($discountPrice, true);
+    }
+}