KeywordManager.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Blog\Keywords;
 
use ILIAS\Blog\InternalDomainService;
 
class KeywordManager
{
    protected \ILIAS\Blog\Posting\PostingManager $posting_manager;
 
    public function __construct(
        protected InternalDomainService $domain
    ) {
        $this->posting_manager = $this->domain->posting();
    }
 
    public function getKeywords(
        int $blog_id,
        bool $a_show_inactive,
        ?int $a_posting_id = null
    ): array {
 
        $posting_list = $this->domain->postingList($blog_id);
        $month_items = $posting_list->getPostingsGroupedByMonth();
 
        $keywords = array();
        if ($a_posting_id) {
            foreach ($this->posting_manager->getKeywords($blog_id, $a_posting_id) as $keyword) {
                if (isset($keywords[$keyword])) {
                    $keywords[$keyword]++;
                } else {
                    $keywords[$keyword] = 1;
                }
            }
        } else {
            foreach ($month_items as $month => $items) {
                foreach ($items as $item) {
                    $item_id = $item->getId();
                    if ($a_show_inactive || $this->domain->pageManager()->lookupActive($item_id, "blp")) {
                        foreach ($this->posting_manager->getKeywords($blog_id, $item_id) as $keyword) {
                            if (isset($keywords[$keyword])) {
                                $keywords[$keyword]++;
                            } else {
                                $keywords[$keyword] = 1;
                            }
                        }
                    }
                }
            }
        }
 
        // #15881
        $tmp = array();
        foreach ($keywords as $keyword => $counter) {
            $tmp[] = array("keyword" => $keyword, "counter" => $counter);
        }
        $tmp = \ilArrayUtil::sortArray($tmp, "keyword", "ASC");
 
        $keywords = array();
        foreach ($tmp as $item) {
            $keywords[(string) $item["keyword"]] = $item["counter"];
        }
        return $keywords;
    }
 
}