From 89aac0357412d5f82bab40d591348fa25a43f1ee Mon Sep 17 00:00:00 2001
From: lccsw <1127794702@qq.com>
Date: Mon, 23 Aug 2021 20:10:58 +0800
Subject: [PATCH] add-api-sign_cache

---
 api/controllers/wxapp/liche/Contract.php | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/api/controllers/wxapp/liche/Contract.php b/api/controllers/wxapp/liche/Contract.php
index 5dd7b140..e20f5c9f 100644
--- a/api/controllers/wxapp/liche/Contract.php
+++ b/api/controllers/wxapp/liche/Contract.php
@@ -91,6 +91,7 @@ class Contract extends Wxapp{
     }
 
     protected function post(){
+        $uid = $this->session['uid'];
         $id = $this->input_param('id');
         $type = $this->input_param('type');
         $img = $this->input_param('img');
@@ -101,6 +102,7 @@ class Contract extends Wxapp{
         if(!$row['file'] || !$img){
             throw new Exception('参数错误', API_CODE_INVILD_PARAM);
         }   
+        
         if($row['status']==1){
             throw new Exception('已签名', API_CODE_INVILD_PARAM);
         }
@@ -124,6 +126,13 @@ class Contract extends Wxapp{
             throw new Exception('签名失败,图片转换失败', API_CODE_INVILD_PARAM);
         }
 
+        $redis = load_cache('redis');
+        $cache_key = "CONTRACT_{$id}_{$uid}_{$type}";
+        if($redis->get($cache_key)){
+            throw new Exception('请求太频繁,请刷新查看结果', API_CODE_INVILD_PARAM);
+        }
+        $redis->save($cache_key,1,60*1);
+
         $this->load->library('receiver/sign_entity');
         $sign_entity = new Sign_entity(['comp_img'=>$img_seal]);
         switch($type){
@@ -143,6 +152,7 @@ class Contract extends Wxapp{
                 ];
                 $result = $this->contracts_model->update($update,['id'=>$row['id']]);
                 if($result){
+                    $redis->delete($cache_key);
                     throw new Exception('签名成功', API_CODE_SUCCESS);
                 }else{
                     throw new Exception('签名失败', API_CODE_INVILD_PARAM);
@@ -169,6 +179,7 @@ class Contract extends Wxapp{
                 if($result){
                     $this->load->library('receiver/orders_entity');
                     $this->orders_entity->sign_after($id,$this->app_id,$this->session);
+                    $redis->delete($cache_key);
                     throw new Exception('签名成功', API_CODE_SUCCESS);
                 }else{
                     throw new Exception('签名失败', API_CODE_INVILD_PARAM);
@@ -194,6 +205,7 @@ class Contract extends Wxapp{
                     //生成支付订单
                     $this->load->library('receiver/orders_entity');
                     $this->orders_entity->check_finish($id,$this->app_id,$this->session);
+                    $redis->delete($cache_key);
                     throw new Exception('签名成功', API_CODE_SUCCESS);
                 }else{
                     throw new Exception('签名失败', API_CODE_INVILD_PARAM);
@@ -216,12 +228,14 @@ class Contract extends Wxapp{
                 $result = $this->contracts_model->update($update,['id'=>$row['id']]);
                 if($result){
                     $this->deliverys_model->update(['status'=>1],['o_id'=>$id]);
+                    $redis->delete($cache_key);
                     throw new Exception('签名成功', API_CODE_SUCCESS);
                 }else{
                     throw new Exception('签名失败', API_CODE_INVILD_PARAM);
                 }
                 break;
             default:
+                $redis->delete($cache_key);
                 throw new Exception('未知签名类型', API_CODE_INVILD_PARAM);
         }
     }