Import source: backend/src/routes/dashboard

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

backend/src/routes/dashboard.ts

@@ -0,0 +1,55 @@
+import express from 'express';
+import { store } from '../services/store.js';
+import { getSessionId } from '../middleware/session.js';
+import { getActivityFeed, getStorageBreakdown, getMonthlyUploadVolume } from '../services/analytics.js';
+
+const router = express.Router();
+
+router.get('/stats', async (req, res) => {
+  const sid = getSessionId(req);
+  const db = await store.read();
+  const myFiles = db.files.filter((f) => f.status === 'uploaded' && f.sessionId === sid);
+  const totalViews = myFiles.reduce((sum, f) => sum + f.views, 0);
+  const totalDownloads = myFiles.reduce((sum, f) => sum + f.downloads, 0);
+  const storageUsed = myFiles.reduce((sum, f) => sum + f.sizeBytes, 0);
+
+  const now = new Date();
+  const fortyEightHoursFromNow = new Date(now.getTime() + 48 * 60 * 60 * 1000);
+
+  const activeLinks = myFiles.filter((f) => new Date(f.expiresAt) > now).length;
+  const expiringSoonCount = myFiles.filter((f) => {
+    const exp = new Date(f.expiresAt);
+    return exp > now && exp <= fortyEightHoursFromNow;
+  }).length;
+
+  res.json({
+    data: {
+      totalFiles: myFiles.length,
+      totalViews,
+      totalDownloads,
+      storageUsed,
+      activeLinks,
+      expiringSoonCount,
+    },
+  });
+});
+
+router.get('/activity', async (req, res) => {
+  const sid = getSessionId(req);
+  const feed = await getActivityFeed(sid);
+  res.json({ data: feed });
+});
+
+router.get('/storage', async (req, res) => {
+  const sid = getSessionId(req);
+  const breakdown = await getStorageBreakdown(sid);
+  const monthlyVolume = await getMonthlyUploadVolume(sid);
+  res.json({
+    data: {
+      breakdown,
+      monthlyVolume,
+    },
+  });
+});
+
+export { router as dashboardRouter };