[Catalyst] FOREACH problem

[Bob Faist]

Try putting an array ref in the stash instead.

$c->stash->{categoriesToDelete} = \@categoriesToDelete;


On 5/6/07, Dmitri Pissarenko <dmitri.pissarenko at gmail.com> wrote:
> Hello!
>
> I have an action, which should do following:
>
> It reads from the GET parameter a string with record IDs, i. e. "1,2,3,".
>
> Then, this action should fetch from the database the records with these IDs.
>
> Finally, it should pass the resulting array to another page, in which
> these records are displayed using
>
> [% FOREACH cat IN categoriesToDelete -%]
>   <li>[% cat.name %]</li>
> [% END -%]
>
> Now I have the problem that in the page with FOREACH nothing is
> displayed, even though categoriesToDelete contains some data.
>
> The code is this:
>
> sub form_deleteSeveralCategories : Local {
>     my ($self, $c) = @_;
>
>     # fetch IDs as string
>     my $categoryIdsAsSingleString = $c->request->params->{categoryIds};
>
>     # convert string to array of individual IDs
>     my @categoryIds = split (/,/,  $categoryIdsAsSingleString);
>
>     # read records from the database and store them in @categoriesToDelete
>     my @categoriesToDelete = map
>     {
>         # $_ is the ID of the record
>             $c->model('TimeTrackingAppDB::Category')->find($_);
>     } @categoryIds;
>
>     foreach (@categoriesToDelete)
>     {
>             $c->log->debug('cat: ' . $_);
>     };
>
>     # pass the parameters to the page with FOREACH
>     $c->stash->{categoryIds} = $categoryIdsAsSingleString;
>     $c->stash->{categoriesToDelete} = @categoriesToDelete;
>
>     # Set the TT template to use
>     $c->stash->{template} = 'categories/form_deleteSeveralCategories.tt2';
> }
>
> form_deleteSeveralCategories.tt2 has following content:
>
> [% META title = 'Manual Form Category Delete' -%]
>
> <form name="deleteCategoriesForm" method="post" action="[%
> Catalyst.uri_for('form_deleteSeveralCategories_do') %]">
> <input type="hidden" name="categoryIds" value="[% categoryIds %]">
> Do you really want to delete categories listed below?
>
> <ul>
> [% FOREACH cat IN categoriesToDelete -%]
>   <li>[% cat.name %]</li>
> [% END -%]
> </ul>
> [% categoriesToDelete %]
> <a href="javascript:document.deleteCategoryForm.submit();">Yes</a> <a
> href="javascript:self.close();">No</a>
> </form>
>
> categoriesToDelete is passed to form_deleteSeveralCategories.tt2 very
> well, since "[% categoriesToDelete %]" is displayed as "2" (number of
> elements in the array).
>
> But nothing in displayed in the FOREACH loop.
>
> What am I doing wrong?
>
> TIA
>
> Dmitri Pissarenko
>
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