gnu-social/components/Language/Language.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\Language;
use App\Core\Event;
use App\Core\Modules\Component;
use App\Core\Router\RouteLoader;
use App\Entity\Actor;
use App\Entity\Note;
use App\Util\Formatting;
use App\Util\Functional as GSF;
use Component\Language\Controller as C;
use Component\Language\Entity\ActorLanguage;
use Doctrine\Common\Collections\ExpressionBuilder;
use Doctrine\ORM\Query\Expr;
use Doctrine\ORM\QueryBuilder;
use Functional as F;
use Symfony\Component\HttpFoundation\Request;
class Language extends Component
{
public function onAddRoute(RouteLoader $r): bool
{
$r->connect('settings_sort_languages', '/settings/sort_languages', [C\Language::class, 'sortLanguages']);
return Event::next;
}
public function onFilterNoteList(?Actor $actor, array &$notes, Request $request): bool
{
if (\is_null($actor)) {
return Event::next;
}
$notes = F\select(
$notes,
fn (Note $n) => \is_null($n->getLanguageId()) || \in_array($n->getLanguageId(), ActorLanguage::getActorRelatedLanguagesIds($actor)),
);
return Event::next;
}
/**
* Populate $note_expr or $actor_expr with an expression to match a language
*/
public function onCollectionQueryCreateExpression(ExpressionBuilder $eb, string $term, ?string $locale, ?Actor $actor, &$note_expr, &$actor_expr): bool
{
$search_term = str_contains($term, ':') ? explode(':', $term)[1] : $term;
$temp_note_expr = null;
$temp_note_actor_expr = null;
$temp_actor_expr = null;
if (str_contains($search_term, ',')) {
foreach ([
['note_language.locale', &$temp_note_expr],
['note_actor_language.locale', &$temp_note_actor_expr],
['language.locale', &$temp_note_actor_expr],
] as $tmp) {
[$column, &$var] = $tmp;
$exprs = [];
foreach (explode(',', $search_term) as $s) {
$exprs[] = $eb->startsWith($column, $s);
}
$var = $eb->orX(...$exprs);
}
} else {
$temp_note_expr = $eb->startsWith('note_language.locale', $search_term);
$temp_note_actor_expr = $eb->startsWith('note_actor_language.locale', $search_term);
$temp_actor_expr = $eb->startsWith('language.locale', $search_term);
}
if (Formatting::startsWith($term, ['lang:', 'language:'])) {
$note_expr = $temp_note_expr;
$actor_expr = $temp_actor_expr;
return Event::stop;
} elseif (Formatting::startsWith($term, GSF::cartesianProduct([['note', 'post'], ['lang', 'language'], [':']], separator: ['-', '_']))) {
$note_expr = $temp_note_expr;
return Event::stop;
} elseif (Formatting::startsWith($term, GSF::cartesianProduct([['note', 'post'], ['author', 'actor', 'people', 'person'], ['lang', 'language'], [':']], separator: ['-', '_']))) {
$note_expr = $temp_note_actor_expr;
return Event::stop;
} elseif (Formatting::startsWith($term, GSF::cartesianProduct([['actor', 'people', 'person'], ['lang', 'language'], [':']], separator: ['-', '_']))) {
$actor_expr = $temp_actor_expr;
return Event::stop;
}
return Event::next;
}
public function onCollectionQueryAddJoins(QueryBuilder &$note_qb, QueryBuilder &$actor_qb): bool
{
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$note_aliases = $note_qb->getAllAliases();
if (!\in_array('note_language', $note_aliases)) {
$note_qb->leftJoin('Component\Language\Entity\Language', 'note_language', Expr\Join::WITH, 'note.language_id = note_language.id');
}
if (!\in_array('actor_language', $note_aliases)) {
$note_qb->leftJoin('Component\Language\Entity\ActorLanguage', 'actor_language', Expr\Join::WITH, 'note.actor_id = actor_language.actor_id');
}
if (!\in_array('note_actor_language', $note_aliases)) {
$note_qb->leftJoin('Component\Language\Entity\Language', 'note_actor_language', Expr\Join::WITH, 'note_actor_language.id = actor_language.language_id');
}
$actor_aliases = $note_qb->getAllAliases();
if (!\in_array('actor_language', $actor_aliases)) {
$actor_qb->leftJoin('Component\Language\Entity\ActorLanguage', 'actor_language', Expr\Join::WITH, 'actor.id = actor_language.actor_id');
}
if (!\in_array('language', $actor_aliases)) {
$actor_qb->leftJoin('Component\Language\Entity\Language', 'language', Expr\Join::WITH, 'actor_language.language_id = language.id');
}
return Event::next;
}
}