MVP final

expenses/views.py

@@ -343,6 +343,59 @@ def export_expenses_csv(request):
     return response
 
 
+@login_required
+@role_required('Administrador', 'Administrador Finanzas')
+def export_bank_transfer_csv(request):
+    # Get all expenses requested for payment that are linked to a vendor
+    pending_expenses = Expense.objects.filter(
+        approval_status=ApprovalStatusEnum.SOLICITADO_FINANZAS, 
+        vendor__isnull=False
+    )
+    
+    # Group debts by vendor to perform single bank transfer per supplier
+    debts = pending_expenses.values(
+        'vendor__id', 'vendor__rut', 'vendor__name', 'vendor__bank', 'vendor__account_type', 'vendor__account_number'
+    ).annotate(
+        total_clp=Sum('amount_clp'),
+        total_usd=Sum('amount_usd'),
+        expense_count=Count('id')
+    ).order_by('vendor__name')
+
+    response = HttpResponse(content_type='text/csv')
+    response['Content-Disposition'] = f'attachment; filename="Nomina_Transferencias_{date.today()}.csv"'
+
+    # Write BOM for Excel Spanish compatibility
+    response.write('\ufeff'.encode('utf-8'))
+
+    writer = csv.writer(response, delimiter=';')
+    writer.writerow([
+        'RUT Proveedor', 'Nombre / Razón Social', 'Banco', 'Tipo Cuenta', 
+        'Número Cuenta', 'Monto Transferir (CLP)', 'Monto Transferir (USD)', 
+        'Comprobantes Pendientes', 'Glosa / Comentario'
+    ])
+
+    for debt in debts:
+        writer.writerow([
+            debt['vendor__rut'],
+            debt['vendor__name'],
+            debt['vendor__bank'] or 'No Registrado',
+            debt['vendor__account_type'] or 'No Registrado',
+            debt['vendor__account_number'] or 'No Registrado',
+            int(debt['total_clp']),
+            round(debt['total_usd'], 2),
+            debt['expense_count'],
+            'Pago Facturas Pendientes EFINTEL ERP'
+        ])
+
+    AuditLog.objects.create(
+        user=request.user,
+        action="EXPORT_BANK_TRANSFER",
+        description="Se exportó la nómina bancaria de transferencias a proveedores."
+    )
+
+    return response
+
+
 @login_required
 def project_list(request):
     projects = Project.objects.annotate(