fix Analyse

backend/routes/analytics.js

@@ -0,0 +1,42 @@
+import { Router } from 'express';
+import {
+  getOverview, getPageviewsByDay, getTopUsers,
+  getTopRecipes, getRecentActivity, getEvents
+} from '../analytics-db.js';
+import { getUserById } from '../db.js';
+
+const router = Router();
+
+router.get('/overview', (req, res) => {
+  res.json(getOverview());
+});
+
+router.get('/pageviews', (req, res) => {
+  const { from, to } = req.query;
+  res.json(getPageviewsByDay(from, to));
+});
+
+router.get('/users', (req, res) => {
+  const topUsers = getTopUsers(20);
+  const enriched = topUsers.map(u => {
+    const user = getUserById(u.user_id);
+    return { ...u, username: user ? user.username : `User #${u.user_id}` };
+  });
+  res.json(enriched);
+});
+
+router.get('/recipes', (req, res) => {
+  res.json(getTopRecipes(20));
+});
+
+router.get('/activity', (req, res) => {
+  const { user_id, limit } = req.query;
+  const events = getEvents({ user_id, limit: limit ? Number(limit) : 50 });
+  const enriched = events.map(e => {
+    const user = e.user_id ? getUserById(e.user_id) : null;
+    return { ...e, username: user ? user.username : null };
+  });
+  res.json(enriched);
+});
+
+export default router;