public function getModificar($id = 0)
 {
     $data['articulo'] = Articulo::findOrNew($id);
     $data['proveedores'] = Persona::filtrar('P')->get();
     $data['proveedoresAsignados'] = $data['articulo']->articuloProveedor;
     return view('articulos.form', $data);
 }
 /**
  * Show the application welcome screen to the user.
  *
  * @return Response
  */
 public function getIndex(Request $req)
 {
     $data['personas'] = Persona::filtrar($req->get('tipo'))->get();
     $data['tipo'] = $req->get('tipo') == "P" ? 'Proveedores' : 'Clientes';
     return view('personas.index', $data);
 }