feat: 访问埋点统计——VisitLog模型+/api GET埋点中间件(小程序/H5/直接访问来源识别)+访问统计接口+看板PV/UV/来源分布卡+日志页访问埋点Tab

server/src/routes/admin.js

@@ -1,7 +1,7 @@
 const express = require('express')
 const router = express.Router()
 const mongoose = require('mongoose')
-const { User, Order, Knowledge, ShopItem, AdminLog, AIChatQuota, Feedback, LoginLog, Trend, KnowledgeLit, CoinLedger } = require('../models')
+const { User, Order, Knowledge, ShopItem, AdminLog, AIChatQuota, Feedback, LoginLog, Trend, KnowledgeLit, CoinLedger, VisitLog } = require('../models')
 const { authMiddleware, requirePermission } = require('../middleware/auth')
 const ApiResponse = require('../utils/response')
 const logger = require('../utils/logger')
@@ -33,6 +33,54 @@ const logAction = async (req, action, resource, resourceId = null, details = {})
  * 获取仪表盘数据
  * GET /api/admin/dashboard
  */
+// 访问统计（含 H5 / 小程序 / 直接访问）
+router.get('/visit-stats', requirePermission('dashboard:read'), async (req, res) => {
+  try {
+    const startOfDay = new Date(new Date().toLocaleDateString('sv-SE') + 'T00:00:00+08:00')
+    const sevenAgo = new Date(Date.now() - 6 * 86400000)
+    const startOf7 = new Date(new Date(sevenAgo).toLocaleDateString('sv-SE') + 'T00:00:00+08:00')
+    const [pvToday, uvAgg, loginToday, h5Today, miniToday] = await Promise.all([
+      VisitLog.countDocuments({ createdAt: { $gte: startOfDay } }),
+      VisitLog.distinct('ip', { createdAt: { $gte: startOfDay } }),
+      LoginLog.countDocuments({ createdAt: { $gte: startOfDay } }),
+      VisitLog.countDocuments({ createdAt: { $gte: startOfDay }, source: 'H5' }),
+      VisitLog.countDocuments({ createdAt: { $gte: startOfDay }, source: '小程序' }),
+    ])
+    const sources = await VisitLog.aggregate([
+      { $match: { createdAt: { $gte: startOf7 } } },
+      { $group: { _id: '$source', c: { $sum: 1 } } },
+      { $sort: { c: -1 } },
+    ])
+    return ApiResponse.success(res, {
+      pvToday,
+      uvToday: uvAgg.length,
+      loginToday,
+      h5Today,
+      miniToday,
+      sources7d: sources.map(s => ({ source: s._id || '直接访问', count: s.c })),
+    })
+  } catch (error) {
+    logger.error('访问统计失败:', error)
+    return ApiResponse.serverError(res, error.message)
+  }
+})
+
+// 访问日志列表
+router.get('/visits', requirePermission('dashboard:read'), async (req, res) => {
+  try {
+    const page = Math.max(1, parseInt(req.query.page) || 1)
+    const limit = Math.min(50, parseInt(req.query.limit) || 20)
+    const [total, items] = await Promise.all([
+      VisitLog.countDocuments({}),
+      VisitLog.find({}).sort({ createdAt: -1 }).skip((page - 1) * limit).limit(limit).lean(),
+    ])
+    return ApiResponse.success(res, { items, total, page, limit })
+  } catch (error) {
+    logger.error('访问日志查询失败:', error)
+    return ApiResponse.serverError(res, error.message)
+  }
+})
+
 router.get('/dashboard', requirePermission('dashboard:read'), async (req, res) => {
   try {
     const today = new Date()