####_form.html.ep

#Under code I don't know to move to Controller
% my $categories = Mojo::Collection->new(['*' => 0]);
% my $cats = $self->db->resultset('Category');
% while (my $cat = $cats->next) {
%  my @attr;
%  push @attr, selected => 'selected' if $cat->id eq $category->id;
%  push @{$categories}, [$cat->name, $cat->id, @attr];
% }

#Under code must automatically select 'saved item at created or last change'
<td>
  %= select_field parent_id => $categories => (class=>'input')
</td>



####edit.html.ep

% layout 'admin', title => 'Jizzy.eu: Edycja Kategorii';
% my $category = $self->db->resultset('Category')->find($self->stash('id'));

<h2>Category Edit [<%= $category->id %>]</h2>

%= form_for 'update_category' => (method => 'POST') => begin
  %= include '/categories/_form', category => $category

	<nav class="is-flex">
  	%= link_to "Back" => "/categories", class => 'button', style=>"flex:1"
  	%= submit_button 'Update', class => 'button is-primary', style=>"flex:1"
	</nav>
% end