feat: export WhatsApp numbers in Clients CSV and make database idempotent

backend/index.js

@@ -89,7 +89,8 @@ const formatRow = (row) => ({
     Quantidade: row.quantidade,
     Valor_Unitario: parseFloat(row.valor_unitario),
     Recebido_Em: row.created_at,
-    ID_Pedido: row.pedido_id
+    ID_Pedido: row.pedido_id,
+    Fone_Cliente: row.cliente_fone
 });
 
 // GET data (for the frontend)

src/pages/Clients.tsx

@@ -31,13 +31,17 @@ const Clients = () => {
       return orderDate >= dateRange.start && orderDate <= dateRange.end;
     });
 
-    const clientMap: Record<string, { totalSpent: number, totalItems: number, uniqueOrders: Set<string>, lastPurchase: number }> = {};
+    const clientMap: Record<string, { totalSpent: number, totalItems: number, uniqueOrders: Set<string>, lastPurchase: number, phone: string }> = {};
 
     orders.forEach(order => {
       const clientName = order.Nome_Cliente || `Cliente Desconhecido (Pedido ${order.Valor_Pedido})`;
 
       if (!clientMap[clientName]) {
-        clientMap[clientName] = { totalSpent: 0, totalItems: 0, uniqueOrders: new Set(), lastPurchase: 0 };
+        clientMap[clientName] = { totalSpent: 0, totalItems: 0, uniqueOrders: new Set(), lastPurchase: 0, phone: '' };
+      }
+      
+      if (order.Fone_Cliente) {
+        clientMap[clientName].phone = order.Fone_Cliente;
       }
       
       // Calculate total spent based on quantity * unit price
@@ -54,6 +58,7 @@ const Clients = () => {
 
     let result = Object.keys(clientMap).map(name => ({
       name,
+      phone: clientMap[name].phone,
       totalSpent: clientMap[name].totalSpent,
       totalItems: clientMap[name].totalItems,
       orderCount: clientMap[name].uniqueOrders.size, // Grouped by unique date+value combinations
@@ -129,6 +134,7 @@ const Clients = () => {
             onClick={() => {
               const exportData = clientsData.map(client => ({
                 'Nome do Cliente': client.name,
+                'Telefone/WhatsApp': client.phone || 'N/A',
                 'Total Gasto (R$)': client.totalSpent.toFixed(2).replace('.', ','),
                 'Produtos Comprados': client.totalItems,
                 'Total de Pedidos': client.orderCount,

src/types.ts

@@ -8,6 +8,7 @@ export interface OrderData {
   Valor_Unitario: number;
   Recebido_Em?: string;
   ID_Pedido?: string;
+  Fone_Cliente?: string;
 }
 
 export interface DateRange {