From b84b0d6fd7ce670053c49e17a09a34b1bf1ea741 Mon Sep 17 00:00:00 2001
From: Mimi <1119186082@qq.com>
Date: Thu, 10 Jul 2025 11:05:03 +0800
Subject: [PATCH] Refactor lean-analytics

---
 .../third-party/statistics/lean-analytics.js  | 66 +++++++++++--------
 1 file changed, 38 insertions(+), 28 deletions(-)

diff --git a/source/js/third-party/statistics/lean-analytics.js b/source/js/third-party/statistics/lean-analytics.js
index 5c624ef..430c538 100644
--- a/source/js/third-party/statistics/lean-analytics.js
+++ b/source/js/third-party/statistics/lean-analytics.js
@@ -1,25 +1,43 @@
 /* global CONFIG */
 /* eslint-disable no-console */
 
-(function() {
-  const leancloudSelector = url => {
+class LeanCloudCounter {
+  constructor(appId, appKey, apiServer) {
+    this.appId = appId;
+    this.appKey = appKey;
+    this.apiServer = apiServer;
+  }
+
+  leancloudSelector(url) {
     url = encodeURI(url);
     return document.getElementById(url).querySelector('.leancloud-visitors-count');
-  };
+  }
 
-  const addCount = async Counter => {
+  async request(method, url, data) {
+    return fetch(`${this.apiServer}/1.1${url}`, {
+      method,
+      headers: {
+        'X-LC-Id'     : this.appId,
+        'X-LC-Key'    : this.appKey,
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify(data)
+    });
+  }
+
+  async addCount() {
     const visitors = document.querySelector('.leancloud_visitors');
     const url = decodeURI(visitors.id);
     const title = visitors.dataset.flagTitle;
 
     try {
-      const response = await Counter('get', `/classes/Counter?where=${encodeURIComponent(JSON.stringify({ url }))}`);
+      const response = await this.request('get', `/classes/Counter?where=${encodeURIComponent(JSON.stringify({ url }))}`);
       const { results } = await response.json();
       if (results.length > 0) {
         const counter = results[0];
-        leancloudSelector(url).innerText = counter.time + 1;
+        this.leancloudSelector(url).innerText = counter.time + 1;
         try {
-          await Counter('put', '/classes/Counter/' + counter.objectId, {
+          await this.request('put', '/classes/Counter/' + counter.objectId, {
             time: {
               '__op'  : 'Increment',
               'amount': 1
@@ -29,13 +47,13 @@
           console.error('Failed to save visitor count', error);
         }
       } else if (CONFIG.leancloud_visitors.security) {
-        leancloudSelector(url).innerText = 'Counter not initialized! More info at console err msg.';
+        this.leancloudSelector(url).innerText = 'Counter not initialized! More info at console err msg.';
         console.error('ATTENTION! LeanCloud counter has security bug, see how to solve it here: https://github.com/theme-next/hexo-leancloud-counter-security. \n However, you can still use LeanCloud without security, by setting `security` option to `false`.');
       } else {
         try {
-          const response = await Counter('post', '/classes/Counter', { title, url, time: 1 });
+          const response = await this.request('post', '/classes/Counter', { title, url, time: 1 });
           await response.json();
-          leancloudSelector(url).innerText = 1;
+          this.leancloudSelector(url).innerText = 1;
         } catch (error) {
           console.error('Failed to create', error);
         }
@@ -43,44 +61,36 @@
     } catch (error) {
       console.error('LeanCloud Counter Error', error);
     }
-  };
+  }
 
-  const showTime = async Counter => {
+  async showTime() {
     const visitors = document.querySelectorAll('.leancloud_visitors');
     const entries = [...visitors].map(element => {
       return decodeURI(element.id);
     });
 
     try {
-      const response = await Counter('get', `/classes/Counter?where=${encodeURIComponent(JSON.stringify({ url: { '$in': entries } }))}`);
+      const response = await this.request('get', `/classes/Counter?where=${encodeURIComponent(JSON.stringify({ url: { '$in': entries } }))}`);
       const { results } = await response.json();
       for (const url of entries) {
         const target = results.find(item => item.url === url);
-        leancloudSelector(url).innerText = target ? target.time : 0;
+        this.leancloudSelector(url).innerText = target ? target.time : 0;
       }
     } catch (error) {
       console.error('LeanCloud Counter Error', error);
     }
-  };
+  }
+}
 
+(function() {
   const { app_id, app_key, server_url } = CONFIG.leancloud_visitors;
   const fetchData = api_server => {
-    const Counter = (method, url, data) => {
-      return fetch(`${api_server}/1.1${url}`, {
-        method,
-        headers: {
-          'X-LC-Id'     : app_id,
-          'X-LC-Key'    : app_key,
-          'Content-Type': 'application/json'
-        },
-        body: JSON.stringify(data)
-      });
-    };
+    const counter = new LeanCloudCounter(app_id, app_key, api_server);
     if (CONFIG.page.isPost) {
       if (CONFIG.hostname !== location.hostname) return;
-      addCount(Counter);
+      counter.addCount();
     } else if (document.querySelectorAll('.post-title-link').length >= 1) {
-      showTime(Counter);
+      counter.showTime();
     }
   };