@if ($invoice_file == null)
<span class="badge badge-dark"><i class="fa fa-times-circle"></i> il n'y a pas de fichier</span>

@else
{!! Form::open(['url'=>aurl('download'),'method'=>'get' ]) !!}
<div class="form-group">
 {!! Form::hidden('invoice_file',$invoice_file) !!}
</div>
{!! Form::button('<i class="fa  fa-download"></i>',['type' => 'submit','class'=>'btn btn-warning']) !!}
{!! Form::close() !!}
@endif