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\Entity\Actor;
use App\Util\Common;
use App\Util\Exception\RedirectException;
use App\Util\Formatting;
use Doctrine\Common\Collections\ExpressionBuilder;
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($r)
{
$r->connect('search', '/search', Controller\Search::class);
}
/**
* 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('Title'), 'required' => false, 'attr' => ['title' => _m('Title for this new feed in your left panel')]],
];
$form_definition[] = [
'subscribe_to_search',
SubmitType::class,
[
'label' => _m('Subscribe to this search'),
'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('Query notes for specific tags.'),
],
],
];
$form = Form::create($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()) {
// TODO ensure title is set
Event::handle('AppendFeed', [$actor, $data['title'], 'search', ['q' => $data['search_query']]]);
$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
*
* @throws RedirectException
*/
public function onAddExtraHeaderForms(Request $request, array &$elements)
{
$elements[] = self::searchForm($request);
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;
}
/**
* Convert $term to $note_expr and $actor_expr, search criteria. Handles searching for text
* notes, for different types of actors and for the content of text notes
*/
public function onSearchCreateExpression(ExpressionBuilder $eb, string $term, ?string $language, &$note_expr, &$actor_expr): bool
{
$include_term = str_contains($term, ':') ? explode(':', $term)[1] : $term;
if (Formatting::startsWith($term, ['note-types:', 'notes-incude:', 'note-filter:'])) {
if (\is_null($note_expr)) {
$note_expr = [];
}
if (array_intersect(explode(',', $include_term), ['text', 'words']) !== []) {
$note_expr[] = $eb->neq('note.rendered', null);
} else {
$note_expr[] = $eb->eq('note.rendered', null);
}
} elseif (Formatting::startsWith($term, ['actor-types:', 'actors-incude:', 'actor-filter:'])) {
if (\is_null($actor_expr)) {
$actor_expr = [];
}
foreach ([
Actor::PERSON => ['person', 'people'],
Actor::GROUP => ['group', 'groups'],
Actor::ORGANIZATION => ['org', 'orgs', 'organization', 'organizations', 'organisation', 'organisations'],
Actor::BUSINESS => ['business', 'businesses'],
Actor::BOT => ['bot', 'bots'],
] as $type => $match) {
if (array_intersect(explode(',', $include_term), $match) !== []) {
$actor_expr[] = $eb->eq('actor.type', $type);
} else {
$actor_expr[] = $eb->neq('actor.type', $type);
}
}
} elseif (!str_contains($term, ':')) {
$note_expr = $eb->contains('note.rendered', $term);
}
return Event::next;
}
}