generic REST update with Mojolicious and DBIx::Class

generic_resource_update.pl

sub update{
  my $self = shift;
  
  my $result_rs = $self->app->model
    ->resultset( $self->{resource} )
    ->search_rs(
        { id => $self->param('id') },         
    );
  
  return $self->render_not_found if ( scalar( ( $result_rs->all ) ) == 0 );  
  
  $result_rs->update_all( $self->{_payload} );
  
  $result_rs->result_class('DBIx::Class::ResultClass::HashRefInflator');
  my @result = $result_rs->all();
  return $self->render_json( @result );
}