SubtreeAggregationStrategy.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\News\Aggregation;
 
use ILIAS\News\Data\NewsContext;
 
class SubtreeAggregationStrategy implements NewsAggregationStrategy
{
    public function __construct(protected readonly \ilTree $tree)
    {
    }
 
    public function aggregate(NewsContext $base_context): array
    {
        $aggregated = [];
 
        foreach ($this->tree->getChilds($base_context->getRefId()) as $node) {
            $aggregated[] = new NewsContext(
                $node['child'],
                $node['obj_id'],
                $node['type'],
                $base_context->getRefId(),
                $base_context->getLevel() + 1
            );
        }
 
        return $aggregated;
    }
 
    public function isRecursive(): bool
    {
        return false;
    }
 
    public function shouldSkip(NewsContext $context): bool
    {
        // see #31471, #30687, and ilMembershipNotification
        return !\ilContainer::_lookupContainerSetting($context->getObjId(), 'cont_use_news', '1')
            || (!\ilContainer::_lookupContainerSetting($context->getObjId(), 'cont_show_news', '1')
                && !\ilContainer::_lookupContainerSetting($context->getObjId(), 'news_timeline'));
    }
}