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UnreadFilterGambit.php
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UnreadFilterGambit.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\Query;
use Flarum\Discussion\DiscussionRepository;
use Flarum\Filter\FilterInterface;
use Flarum\Filter\FilterState;
use Flarum\Search\AbstractRegexGambit;
use Flarum\Search\SearchState;
use Flarum\User\User;
use Illuminate\Database\Query\Builder;
class UnreadFilterGambit extends AbstractRegexGambit implements FilterInterface
{
/**
* @var \Flarum\Discussion\DiscussionRepository
*/
protected $discussions;
/**
* @param \Flarum\Discussion\DiscussionRepository $discussions
*/
public function __construct(DiscussionRepository $discussions)
{
$this->discussions = $discussions;
}
/**
* {@inheritdoc}
*/
public function getGambitPattern()
{
return 'is:unread';
}
/**
* {@inheritdoc}
*/
protected function conditions(SearchState $search, array $matches, $negate)
{
$this->constrain($search->getQuery(), $search->getActor(), $negate);
}
public function getFilterKey(): string
{
return 'unread';
}
public function filter(FilterState $filterState, string $filterValue, bool $negate)
{
$this->constrain($filterState->getQuery(), $filterState->getActor(), $negate);
}
protected function constrain(Builder $query, User $actor, bool $negate)
{
if ($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);
}
});
}
}
}