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\Util\Exception\RedirectException;
use App\Util\Formatting;
use Doctrine\Common\Collections\ExpressionBuilder;
use Doctrine\ORM\Query\Expr;
use Doctrine\ORM\QueryBuilder;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\Request;
class Search extends Component
{
public function onAddRoute($r)
{
$r->connect('search', '/search', Controller\Search::class);
}
/**
* Add the search form to the site header
*
* @throws RedirectException
*/
public function onAddExtraHeaderForms(Request $request, array &$elements)
{
$form = Form::create([
['search_tags', TextType::class, [
'attr' => ['placeholder' => _m('Input desired query...')],
]],
[$form_name = 'submit_search', SubmitType::class,
[
'label' => _m('Submit'),
'attr' => [
//'class' => 'button-container search-button-container',
'title' => _m('Query notes for specific tags.'),
],
],
],
]);
if ('POST' === $request->getMethod() && $request->request->has($form_name)) {
$form->handleRequest($request);
if ($form->isSubmitted() && $form->isValid()) {
$data = $form->getData();
throw new RedirectException('search', ['q' => $data['search_tags']]);
}
}
$elements[] = $form->createView();
return Event::next;
}
/**
* Output our dedicated stylesheet
*
* @param array $styles stylesheets path
*
* @return bool hook value; true means continue processing, false means stop
*/
public function onEndShowStyles(array &$styles, string $route): bool
{
$styles[] = 'components/Search/assets/css/view.css';
return Event::next;
}
/**
* Populate $note_expr with an expression to match a tag, if the term looks like a tag
*
* $term /^(note|tag|people|actor)/ means we want to match only either a note or an actor
*/
public function onSearchCreateExpression(ExpressionBuilder $eb, string $term, ?string $language, &$note_expr, &$actor_expr): bool
{
if (Formatting::startsWith($term, ['lang', 'language'])) {
$search_term = str_contains($term, ':') ? explode(':', $term)[1] : $term;
$note_expr = $eb->startsWith('language.locale', $search_term);
$actor_expr = $eb->startsWith('language.locale', $search_term);
return Event::stop;
}
return Event::next;
}
public function onSearchQueryAddJoins(QueryBuilder &$note_qb, QueryBuilder &$actor_qb): bool
{
$note_qb->leftJoin('App\Entity\Language', 'language', Expr\Join::WITH, 'note.language_id = language.id');
$actor_qb->leftJoin('App\Entity\ActorLanguage', 'actor_language', Expr\Join::WITH, 'actor.id = actor_language.actor_id')
->leftJoin('App\Entity\Language', 'language', Expr\Join::WITH, 'actor_language.language_id = language.id');
return Event::next;
}
}