my $fh = $c->req->upload('original')->fh;
binmode $fh;
my $img = Imager->new(fh => $fh)
  or die "Cannot read $fh ", $img->errstr;
my $medium = $img->scale(xpixels => 640, ypixels => 640, type => 'min');
my $thumb = $img->scale(xpixels => 200, ypixels => 200, type => 'min');
$self->form->item->medium_pfad($medium);
$self->form->item->thumb_pfad($thumb);
$self->form->item->original($fh);
$self->form->item->update;