Initial fullstack scaffold: Events, Guests, Budget, Bookings

- Express backend with PostgreSQL (JWT auth, full CRUD)
- React + Vite + TailwindCSS frontend in Hebrew (RTL)
- Features: Digital Booking System, Guest Management, Smart Budget Management
- Docker Compose with postgres healthcheck
- Auto-runs migrations on startup

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

routes/budget.js

@@ -0,0 +1,109 @@
+const express = require('express');
+const router = express.Router();
+const pool = require('../db');
+const { authMiddleware } = require('./auth');
+
+// Get all budget items for an event
+router.get('/event/:eventId', authMiddleware, async (req, res) => {
+  try {
+    const result = await pool.query(
+      `SELECT b.* FROM budget_items b
+       JOIN events e ON b.event_id = e.id
+       WHERE b.event_id = $1 AND e.user_id = $2
+       ORDER BY b.category, b.created_at ASC`,
+      [req.params.eventId, req.userId]
+    );
+    res.json(result.rows);
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Get budget summary for event
+router.get('/event/:eventId/summary', authMiddleware, async (req, res) => {
+  try {
+    const [itemsRes, eventRes] = await Promise.all([
+      pool.query(
+        `SELECT category,
+                SUM(estimated_cost) as estimated,
+                SUM(COALESCE(actual_cost, 0)) as actual,
+                COUNT(*) as count
+         FROM budget_items b
+         JOIN events e ON b.event_id = e.id
+         WHERE b.event_id = $1 AND e.user_id = $2
+         GROUP BY category`,
+        [req.params.eventId, req.userId]
+      ),
+      pool.query('SELECT budget FROM events WHERE id=$1 AND user_id=$2', [req.params.eventId, req.userId]),
+    ]);
+    const totalEstimated = itemsRes.rows.reduce((s, r) => s + parseFloat(r.estimated || 0), 0);
+    const totalActual = itemsRes.rows.reduce((s, r) => s + parseFloat(r.actual || 0), 0);
+    const eventBudget = eventRes.rows[0]?.budget || 0;
+    res.json({
+      event_budget: parseFloat(eventBudget),
+      total_estimated: totalEstimated,
+      total_actual: totalActual,
+      remaining_budget: parseFloat(eventBudget) - totalEstimated,
+      over_budget: totalEstimated > parseFloat(eventBudget),
+      categories: itemsRes.rows,
+    });
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Create budget item
+router.post('/', authMiddleware, async (req, res) => {
+  const { event_id, category, description, estimated_cost, actual_cost, status } = req.body;
+  if (!event_id || !category) return res.status(400).json({ error: 'event_id and category are required' });
+  try {
+    const eventCheck = await pool.query('SELECT id FROM events WHERE id=$1 AND user_id=$2', [event_id, req.userId]);
+    if (eventCheck.rows.length === 0) return res.status(403).json({ error: 'Forbidden' });
+
+    const result = await pool.query(
+      `INSERT INTO budget_items (event_id, category, description, estimated_cost, actual_cost, status)
+       VALUES ($1, $2, $3, $4, $5, $6) RETURNING *`,
+      [event_id, category, description, estimated_cost || 0, actual_cost, status || 'planned']
+    );
+    res.status(201).json(result.rows[0]);
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Update budget item
+router.put('/:id', authMiddleware, async (req, res) => {
+  const { category, description, estimated_cost, actual_cost, status } = req.body;
+  try {
+    const result = await pool.query(
+      `UPDATE budget_items SET category=$1, description=$2, estimated_cost=$3, actual_cost=$4, status=$5
+       WHERE id=$6 AND event_id IN (SELECT id FROM events WHERE user_id=$7) RETURNING *`,
+      [category, description, estimated_cost, actual_cost, status, req.params.id, req.userId]
+    );
+    if (result.rows.length === 0) return res.status(404).json({ error: 'Budget item not found' });
+    res.json(result.rows[0]);
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+// Delete budget item
+router.delete('/:id', authMiddleware, async (req, res) => {
+  try {
+    const result = await pool.query(
+      `DELETE FROM budget_items WHERE id=$1 AND event_id IN (SELECT id FROM events WHERE user_id=$2) RETURNING id`,
+      [req.params.id, req.userId]
+    );
+    if (result.rows.length === 0) return res.status(404).json({ error: 'Budget item not found' });
+    res.json({ message: 'Budget item deleted' });
+  } catch (err) {
+    console.error(err);
+    res.status(500).json({ error: 'Server error' });
+  }
+});
+
+module.exports = router;