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UnreadFilter.php
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UnreadFilter.php
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<?php
/*
* This file is part of Flarum.
*
* For detailed copyright and license information, please view the
* LICENSE file that was distributed with this source code.
*/
namespace Flarum\Discussion\Search\Filter;
use Flarum\Discussion\DiscussionRepository;
use Flarum\Search\Database\DatabaseSearchState;
use Flarum\Search\Filter\FilterInterface;
use Flarum\Search\SearchState;
use Flarum\User\User;
use Illuminate\Database\Query\Builder;
/**
* @implements FilterInterface<DatabaseSearchState>
*/
class UnreadFilter implements FilterInterface
{
public function __construct(
protected DiscussionRepository $discussions
) {
}
public function getFilterKey(): string
{
return 'unread';
}
public function filter(SearchState $state, string|array $value, bool $negate): void
{
$this->constrain($state->getQuery(), $state->getActor(), $negate);
}
protected function constrain(Builder $query, User $actor, bool $negate): void
{
if ($actor->exists) {
$readIds = $this->discussions->getReadIdsQuery($actor);
$query->where(function ($query) use ($readIds, $negate, $actor) {
if (! $negate) {
$query->whereNotIn('id', $readIds)->where('last_posted_at', '>', $actor->marked_all_as_read_at ?: 0);
} else {
$query->whereIn('id', $readIds)->orWhere('last_posted_at', '<=', $actor->marked_all_as_read_at ?: 0);
}
});
}
}
}