Update server.js

server/server.js

@@ -992,8 +992,7 @@ app.post('/api/expenses/:id/pay', authenticateToken, async (req, res) => {
     try {
         let familyId;
 
-        // Admin override logic: If familyId provided in body and user is admin, use it.
-        // Otherwise, use logged-in user's family.
+        // Admin override logic
         if (bodyFamilyId) {
             if (req.user.role === 'admin' || req.user.role === 'poweruser') {
                 familyId = bodyFamilyId;
@@ -1023,11 +1022,10 @@ app.post('/api/expenses/:id/pay', authenticateToken, async (req, res) => {
         // Update Share
         await connection.query('UPDATE expense_shares SET amount_paid = ?, status = ? WHERE id = ?', [newPaid, status, share.id]);
 
-        // Also record in global payments for visibility in reports (optional but requested to track family payments)
-        // We use a special month/year or notes to distinguish
+        // Insert Payment with link to Expense ID
         await connection.query(
-            'INSERT INTO payments (id, family_id, amount, date_paid, for_month, for_year, notes) VALUES (?, ?, ?, NOW(), 13, YEAR(NOW()), ?)',
-            [uuidv4(), familyId, amount, `Spesa Straordinaria: ${notes || 'Pagamento Manuale'}`]
+            'INSERT INTO payments (id, family_id, extraordinary_expense_id, amount, date_paid, for_month, for_year, notes) VALUES (?, ?, ?, ?, NOW(), 13, YEAR(NOW()), ?)',
+            [uuidv4(), familyId, expenseId, amount, `Spesa Straordinaria: ${notes || 'Pagamento Manuale'}`]
         );
 
         await connection.commit();
@@ -1041,6 +1039,66 @@ app.post('/api/expenses/:id/pay', authenticateToken, async (req, res) => {
     }
 });
 
+// GET HISTORY OF PAYMENTS FOR A SHARE
+app.get('/api/expenses/:id/shares/:familyId/payments', authenticateToken, requireAdmin, async (req, res) => {
+    try {
+        const [rows] = await pool.query(
+            'SELECT id, amount, date_paid, notes FROM payments WHERE extraordinary_expense_id = ? AND family_id = ? ORDER BY date_paid DESC',
+            [req.params.id, req.params.familyId]
+        );
+        res.json(rows.map(r => ({
+            id: r.id,
+            amount: parseFloat(r.amount),
+            datePaid: r.date_paid,
+            notes: r.notes
+        })));
+    } catch(e) { res.status(500).json({ error: e.message }); }
+});
+
+// DELETE PAYMENT (REVERT)
+app.delete('/api/expenses/payments/:paymentId', authenticateToken, requireAdmin, async (req, res) => {
+    const paymentId = req.params.paymentId;
+    const connection = await pool.getConnection();
+
+    try {
+        // 1. Get Payment Info
+        const [payments] = await connection.query('SELECT amount, extraordinary_expense_id, family_id FROM payments WHERE id = ?', [paymentId]);
+        if (payments.length === 0) return res.status(404).json({ message: 'Payment not found' });
+        
+        const payment = payments[0];
+        if (!payment.extraordinary_expense_id) return res.status(400).json({ message: 'Not an extraordinary expense payment' });
+
+        await connection.beginTransaction();
+
+        // 2. Revert Share Amount
+        // Get current share status
+        const [shares] = await connection.query('SELECT id, amount_due, amount_paid FROM expense_shares WHERE expense_id = ? AND family_id = ?', [payment.extraordinary_expense_id, payment.family_id]);
+        
+        if (shares.length > 0) {
+            const share = shares[0];
+            const newPaid = Math.max(0, parseFloat(share.amount_paid) - parseFloat(payment.amount));
+            const due = parseFloat(share.amount_due);
+            let status = 'UNPAID';
+            if (newPaid >= due - 0.01) status = 'PAID';
+            else if (newPaid > 0) status = 'PARTIAL';
+
+            await connection.query('UPDATE expense_shares SET amount_paid = ?, status = ? WHERE id = ?', [newPaid, status, share.id]);
+        }
+
+        // 3. Delete Payment Record
+        await connection.query('DELETE FROM payments WHERE id = ?', [paymentId]);
+
+        await connection.commit();
+        res.json({ success: true });
+
+    } catch (e) {
+        await connection.rollback();
+        res.status(500).json({ error: e.message });
+    } finally {
+        connection.release();
+    }
+});
+
 // Get User's Expenses
 app.get('/api/my-expenses', authenticateToken, async (req, res) => {
     const userId = req.user.id;