gnu-social/components/Search/Search.php

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<?php
declare(strict_types = 1);
// {{{ License
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social. If not, see <http://www.gnu.org/licenses/>.
// }}}
namespace Component\Search;
use App\Core\Event;
use App\Core\Form;
use function App\Core\I18n\_m;
use App\Core\Modules\Component;
use App\Core\Router;
use App\Util\Common;
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use App\Util\Exception\ClientException;
use App\Util\Exception\RedirectException;
use App\Util\Formatting;
use EventResult;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormView;
use Symfony\Component\Form\SubmitButton;
use Symfony\Component\HttpFoundation\Request;
class Search extends Component
{
public function onAddRoute(Router $r): EventResult
{
$r->connect('search', '/search', Controller\Search::class);
return EventResult::next;
}
/**
* Helper function for generating and processing the search form, so it can be embedded in
* multiple places. Can be provided with a $query, which will prefill the query field. If
* $add_subscribe, allow the user to add the current query to their left panel
*/
public static function searchForm(Request $request, ?string $query = null, bool $add_subscribe = false): FormView
{
$actor = Common::actor();
if (\is_null($actor)) {
$add_subscribe = false;
}
$form_definition = [
['search_query', TextType::class, [
'attr' => ['placeholder' => _m('Input desired query...'), 'value' => $query],
]],
];
if ($add_subscribe) {
$form_definition[] = [
'title', TextType::class,
[
'label' => _m('Subscribe to search query'),
'help' => _m('By subscribing to a search query, a new feed link will be added to left panel\'s feed navigation menu'),
'required' => false,
'attr' => [
'title' => _m('Title for this new feed in your left panel'),
'placeholder' => _m('Input desired title...'),
],
],
];
$form_definition[] = [
'subscribe_to_search',
SubmitType::class,
[
'label' => _m('Subscribe'),
'attr' => [
'title' => _m('Add this search as a feed in your feeds section of the left panel'),
],
],
];
}
$form_definition[] = [
$form_name = 'submit_search',
SubmitType::class,
[
'label' => _m('Search'),
'attr' => [
//'class' => 'button-container search-button-container',
'title' => _m('Perform search'),
],
],
];
$form = Form::create($form_definition);
if ('POST' === $request->getMethod() && $request->request->has($form_name)) {
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
$data = $form->getData();
$redirect = false;
if ($add_subscribe) {
/** @var SubmitButton $subscribe */
$subscribe = $form->get('subscribe_to_search');
if ($subscribe->isClicked()) {
if (!\is_null($data['title'])) {
Event::handle('AppendFeed', [$actor, $data['title'], 'search', ['q' => $data['search_query']]]);
} else {
throw new ClientException(_m('Empty title is not allowed.'));
}
$redirect = true;
}
}
/** @var SubmitButton $submit */
$submit = $form->get($form_name);
if ($submit->isClicked() || $redirect) {
throw new RedirectException('search', ['q' => $data['search_query']]);
}
}
}
return $form->createView();
}
/**
* Add the search form to the site header
*
* @param string[] $elements
*
* @throws RedirectException
*/
public function onPrependRightPanelBlock(Request $request, array &$elements): EventResult
{
$elements[] = Formatting::twigRenderFile('cards/search/view.html.twig', ['search' => self::searchForm($request)]);
return Event::next;
}
/**
* Output our dedicated stylesheet
*
* @param string[] $styles stylesheets path
*/
public function onEndShowStyles(array &$styles, string $route): EventResult
{
$styles[] = 'components/Search/assets/css/view.css';
return Event::next;
}
}