修改创建问诊订单 优惠卷部分

app/Services/InquiryService.php

@@ -150,14 +150,20 @@ class InquiryService extends BaseService
             return fail(HttpEnumCode::HTTP_ERROR, "当前非医生接诊时间");
         }
 
+        // 定义优惠卷金额默认值
+        $coupon_amount_total = 0;
+
         // 获取问诊价格
         $DoctorInquiryService = new DoctorInquiryService();
         $inquiry_price = $DoctorInquiryService->getDoctorInquiryPrice($request_params['inquiry_type'], $request_params['inquiry_mode'], $request_params['doctor_id'] ?: "");
 
         if ($inquiry_price > 0) {
-            // 获取用户可用优惠卷
+            // 获取患者问诊可用的优惠卷
             $userCouponService = new UserCouponService();
-            $user_coupon = $userCouponService->getUserUsableCouponOne($user_info['user_id'], $request_params['inquiry_type']);
+            $user_coupon = $userCouponService->getUserInquiryUsableCoupon($user_info['user_id'], $request_params['inquiry_type']);
+
+            // 获取可用优惠卷总金额
+            $coupon_amount_total = $userCouponService->getCouponTotalPrice($user_coupon);
         }
 
         // 确定支付渠道
@@ -174,8 +180,7 @@ class InquiryService extends BaseService
 
         try {
             // 实际付款金额
-            $coupon_amount_total = $user_coupon['coupon']['coupon_price'] ?? 0;
-            $payment_amount_total = $inquiry_price - $coupon_amount_total;
+            $payment_amount_total = bcsub($inquiry_price , $coupon_amount_total,2);
             if ($payment_amount_total < 0) {
                 $payment_amount_total = 0;
             }

app/Services/UserCouponService.php

@@ -10,34 +10,75 @@ use App\Model\UserCoupon;
 class UserCouponService extends BaseService
 {
     /**
-     * 获取用户可用优惠卷-单条
-     * @param string|int $user_id 用户id
-     * @param string|int $inquiry_type 订单类型（1:专家问诊 2:快速问诊 3:公益问诊 4:问诊购药）
-     * @param int $coupon_client 使用平台（1:小程序）
+     * 获取患者问诊可用的优惠卷
+     * @param string|int $user_id
+     * @param string|int $inquiry_type
      * @return array
      */
-    public function getUserUsableCouponOne(string|int $user_id, string|int $inquiry_type, int $coupon_client = 1): array
+    public function getUserInquiryUsableCoupon(string|int $user_id, string|int $inquiry_type): array
     {
-        // 问诊类型需加1
-        $inquiry_type = $inquiry_type + 1;
-
-        $params = array();
-        $params[] = ['user_id', '=', $user_id];
-        $params[] = ['user_coupon_status', '=', 0];// 状态（0:未使用 1:已使用 3:已过期）
-        $params[] = ['valid_start_time', '<', date('Y-m-d H:i:s', time())]; // 有效使用时间
-        $params[] = ['valid_end_time', '>', date('Y-m-d H:i:s', time())]; // 过期使用时间
-
-        $coupon_params = array();
-        $coupon_params[] = ['coupon_client', '=', $coupon_client];
-        $coupon_params[] = ['coupon_status', '=', 1]; // 状态（1:正常 2:强制失效 3:结束 4:删除）
-
-        $application_scope_params = [1, $inquiry_type]; // 适用范围（1:全部 2:快速问诊 3:专家问诊 4:公益问诊 5:问诊购药）
-
-        $user_coupon = \App\Model\UserCoupon::getDateWithCouponOne($params, $coupon_params, $application_scope_params);
-        if (empty($user_coupon)) {
+        $user_coupons = UserCoupon::getUserInquiryUsableCoupon($user_id, $inquiry_type);
+        if (empty($user_coupons)) {
             return array();
         }
 
-        return $user_coupon->toArray();
+        // 选中的优惠卷
+        $selected_coupons = array();
+
+        // 优惠卷最高金额
+        $coupon_high_price = 0;
+
+        // 是否存在互斥卷
+        $is_mutex = 0;
+
+        // 可选择优惠卷中是否存在互斥卷
+        foreach ($user_coupons as $coupon) {
+            if ($coupon['is_mutex'] == 1) {
+                $is_mutex = 1;
+            }
+        }
+
+        foreach ($user_coupons as $coupon) {
+            if (empty($selected_coupon)) {
+                $selected_coupons[] = $coupon; // 选中的优惠卷数据
+
+                $coupon_high_price = $coupon['coupon_price'];
+                continue;
+            }
+
+            // 处理存在互斥卷情况
+            if ($is_mutex == 1) {
+                // 选择金额最高的为选中
+                if ($coupon['coupon_price'] < $coupon_high_price){
+                    continue;
+                }
+
+                if ($coupon['coupon_price'] > $coupon_high_price) {
+                    $coupon_high_price = $coupon['coupon_price'];
+
+                    // 选中的优惠卷数据置空
+                    $selected_coupons = array();
+                    $selected_coupons[] = $coupon;
+
+                    continue;
+                }
+            }
+
+            $selected_coupons[] = $coupon; // 选中的优惠卷数据
+        }
+
+        return $selected_coupons;
+    }
+
+    // 获取可用优惠卷总金额
+    public function getCouponTotalPrice(array $coupons): int
+    {
+        $coupon_total_price = 0;
+
+        foreach ($coupons as $coupon){
+            $coupon_total_price = bcadd($coupon_total_price,$coupon['coupon_price'],2);
+        }
+
+        return $coupon_total_price;
     }
 }