feat: make database idempotent by adding unique index and using UPSERT for order insertions

backend/index.js

@@ -41,6 +41,10 @@ const initDB = async () => {
         
         await pool.query(`ALTER TABLE orders ADD COLUMN IF NOT EXISTS pedido_id VARCHAR(100);`).catch(() => {});
         
+        await pool.query(`CREATE UNIQUE INDEX IF NOT EXISTS unique_order_product ON orders (pedido_id, produto_id);`).catch(err => {
+            console.error("Notice: Could not create unique index (might already exist or there are duplicates):", err.message);
+        });
+        
         console.log("Database initialized successfully.");
     } catch (err) {
         console.error("Failed to initialize database:", err);
@@ -159,6 +163,11 @@ app.post('/api/data', authenticateAPIKey, async (req, res) => {
     })();
 });
 
+app.listen(PORT, '0.0.0.0', () => {
+    console.log(`Nexstar Backend running at http://localhost:${PORT}`);
+    console.log(`Endpoint for n8n: POST http://localhost:${PORT}/api/data`);
+});;
+
 app.listen(PORT, '0.0.0.0', () => {
     console.log(`Nexstar Backend running at http://localhost:${PORT}`);
     console.log(`Endpoint for n8n: POST http://localhost:${PORT}/api/data`);

src/pages/ClientDetails.tsx

@@ -113,22 +113,11 @@ const ClientDetails = () => {
                         <Tag className="w-3 h-3 text-zinc-400 dark:text-dark-muted" />
                         <span className="text-[10px] font-bold text-zinc-400 dark:text-dark-muted">ID: {order.ID_Produto}</span>
                       </div>
-                      {order.Recebido_Em && (
+                      {order.Data_Pedido && (
                         <div className="flex items-center gap-1 ml-2">
                           <Clock className="w-3 h-3 text-zinc-400 dark:text-dark-muted" />
                           <span className="text-[10px] font-bold text-zinc-400 dark:text-dark-muted">
-                            Recebido: {
-                              (() => {
-                                const d = new Date(order.Recebido_Em);
-                                const day = String(d.getDate()).padStart(2, '0');
-                                const month = String(d.getMonth() + 1).padStart(2, '0');
-                                const year = d.getFullYear();
-                                const hours = String(d.getHours()).padStart(2, '0');
-                                const minutes = String(d.getMinutes()).padStart(2, '0');
-                                const seconds = String(d.getSeconds()).padStart(2, '0');
-                                return `${day}/${month}/${year} ${hours}:${minutes}:${seconds}`;
-                              })()
-                            }
+                            Comprado: {order.Data_Pedido}
                           </span>
                         </div>
                       )}