first commit

src/routes/stats.js

@@ -0,0 +1,90 @@
+import { Router } from 'express';
+import { db } from '../db.js';
+
+export const statsRouter = Router();
+
+// GET /api/stats/overview
+// Bundles everything the "Overview" panel needs in one call, since the
+// frontend renders all three columns (users / activity / general) together.
+statsRouter.get('/overview', (req, res) => {
+  const currentUsers = db
+    .prepare(`
+      SELECT u.id, u.username, s.started_at
+      FROM sessions s
+      JOIN users u ON u.id = s.user_id
+      WHERE s.ended_at IS NULL
+      ORDER BY s.started_at DESC
+      LIMIT 20
+    `)
+    .all();
+
+  const recentActivity = db
+    .prepare('SELECT id, description, created_at FROM activity_log ORDER BY created_at DESC LIMIT 20')
+    .all();
+
+  const statRows = db.prepare('SELECT key, value FROM site_stats').all();
+  const stats = Object.fromEntries(statRows.map((r) => [r.key, r.value]));
+
+  const totalUsers = db.prepare('SELECT COUNT(*) AS count FROM users').get().count;
+  const mostRecentUser = db
+    .prepare('SELECT username, id FROM users ORDER BY joined_at DESC LIMIT 1')
+    .get();
+
+  res.json({
+    currentUsers,
+    recentActivity,
+    general: {
+      users: { total: totalUsers, mostRecent: mostRecentUser ?? null },
+      reports: {
+        named: stats.reports_named ?? '0',
+        associated: stats.reports_associated ?? '0',
+        logged: stats.reports_logged ?? '0',
+      },
+      build: {
+        pipeline: stats.build_pipeline ?? 'unknown',
+        buildNumber: stats.build_number ?? '0',
+        version: stats.version ?? '0.0.0',
+      },
+    },
+  });
+});
+
+// GET /api/stats/users  (just the current-users list, if you want it standalone)
+statsRouter.get('/users', (req, res) => {
+  const rows = db
+    .prepare(`
+      SELECT u.id, u.username, s.started_at
+      FROM sessions s
+      JOIN users u ON u.id = s.user_id
+      WHERE s.ended_at IS NULL
+      ORDER BY s.started_at DESC
+    `)
+    .all();
+  res.json(rows);
+});
+
+// POST /api/stats/session/start  { username }
+statsRouter.post('/session/start', (req, res) => {
+  const { username } = req.body ?? {};
+  if (!username) return res.status(400).json({ error: 'username is required' });
+
+  let user = db.prepare('SELECT id FROM users WHERE username = ?').get(username);
+  if (!user) {
+    const result = db.prepare('INSERT INTO users (username) VALUES (?)').run(username);
+    user = { id: result.lastInsertRowid };
+  }
+  db.prepare('UPDATE users SET last_seen_at = strftime(\'%Y-%m-%dT%H:%M:%fZ\', \'now\') WHERE id = ?').run(user.id);
+  const session = db.prepare('INSERT INTO sessions (user_id) VALUES (?)').run(user.id);
+  res.status(201).json({ sessionId: session.lastInsertRowid, userId: user.id });
+});
+
+// POST /api/stats/session/end  { sessionId }
+statsRouter.post('/session/end', (req, res) => {
+  const { sessionId } = req.body ?? {};
+  if (!sessionId) return res.status(400).json({ error: 'sessionId is required' });
+  const result = db
+    .prepare('UPDATE sessions SET ended_at = strftime(\'%Y-%m-%dT%H:%M:%fZ\', \'now\') WHERE id = ? AND ended_at IS NULL')
+    .run(sessionId);
+  if (result.changes === 0) return res.status(404).json({ error: 'no active session with that id' });
+  res.status(204).end();
+});