feat:架构代码优化

miniprogram/utils/tracker.ts

@@ -3,12 +3,7 @@
  * 提供分享和下载打印事件的上报功能
  */
 
-// 生成唯一 UUID
-function generateUUID(): string {
-    const timestamp = Date.now();
-    const random = Math.floor(Math.random() * 1000000);
-    return `${timestamp}-${random}`;
-}
+import { getAppUUID } from './uuid';
 
 // 格式化时间为 yyyy-MM-dd HH:mm
 function formatTime(date: Date = new Date()): string {
@@ -65,29 +60,24 @@ function getEventCount(eventName: string): number {
 }
 
 /**
- * 埋点追踪器
+ * 埋点追踪器（单例模式）
  */
 class Tracker {
-    private uuid: string;
+    private static instance: Tracker | null = null;
     private openLog: boolean;
 
-    constructor() {
-        // 初始化时获取或生成 UUID（持久化存储）
-        this.uuid = this.getOrCreateUUID();
+    private constructor() {
         this.openLog = true;
     }
 
     /**
-     * 获取或创建 UUID
+     * 获取 Tracker 单例实例
      */
-    private getOrCreateUUID(): string {
-        const uuidKey = 'tracker_uuid';
-        let storedUUID = wx.getStorageSync(uuidKey);
-        if (!storedUUID) {
-            storedUUID = generateUUID();
-            wx.setStorageSync(uuidKey, storedUUID);
+    public static getInstance(): Tracker {
+        if (!Tracker.instance) {
+            Tracker.instance = new Tracker();
         }
-        return storedUUID;
+        return Tracker.instance;
     }
 
     printLog(tip: string, message?: string | object): void {
@@ -104,20 +94,34 @@ class Tracker {
         }
     }
 
+    /**
+     * 生成公共埋点属性
+     * @param eventName 事件名称
+     * @param pageName 页面名称
+     * @param extraParams 额外的参数对象
+     * @returns 包含公共属性和额外参数的埋点参数对象
+     */
+    private getCommonEventParams(
+        eventName: string,
+        pageName: string,
+        extraParams?: Record<string, any>,
+    ): Record<string, any> {
+        return {
+            count: getEventCount(eventName),
+            date_time: formatTime(),
+            uuid: getAppUUID(),
+            page_name: pageName,
+            ...extraParams,
+        };
+    }
+
     /**
      * 上报分享点击事件
      * @param pageName 页面名称
      */
     reportShare(pageName: string): void {
         try {
-            const time = formatTime();
-            const count = getEventCount('share_click');
-            const params = {
-                count,
-                time,
-                uuid: this.uuid,
-                page_name: pageName,
-            };
+            const params = this.getCommonEventParams('share_click', pageName);
 
             this.printLog('分享事件', params);
             wx.reportEvent('share_click', params);
@@ -129,17 +133,13 @@ class Tracker {
     /**
      * 上报下载打印事件
      * @param pageName 页面名称
+     * @param mode 模式（可选）
      */
-    reportDownload(pageName: string): void {
+    reportDownload(pageName: string, mode?: string): void {
         try {
-            const time = formatTime();
-            const count = getEventCount('download');
-            const params = {
-                count,
-                time,
-                uuid: this.uuid,
-                page_name: pageName,
-            };
+            const params = this.getCommonEventParams('download', pageName, {
+                ...(mode && { mode }),
+            });
 
             this.printLog('下载事件', params);
             wx.reportEvent('download', params);
@@ -149,7 +149,7 @@ class Tracker {
     }
 }
 
-// 创建并导出 tracker 实例
-const tracker = new Tracker();
+// 导出 Tracker 单例实例
+const tracker = Tracker.getInstance();
 
 export default tracker;