class.NewsManager.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\Blog\News;
 
use ILIAS\Blog\InternalDataService;
use ILIAS\Blog\InternalRepoService;
use ILIAS\Blog\InternalDomainService;
use ILIAS\COPage\Page\PageManagerInterface;
 
class NewsManager
{
    protected \ILIAS\Blog\Posting\Service\GUIService $posting_gui;
 
    public function __construct(
        protected InternalDataService $data,
        protected InternalRepoService $repo,
        protected InternalDomainService $domain,
        \ILIAS\Blog\InternalGUIService $gui,
        protected PageManagerInterface $page_manager
    ) {
        $this->posting_gui = $gui->posting();
    }
 
    public function handle(\ilBlogPosting $page, bool $update = false): void
    {
        $lng = $this->domain->lng();
        $ilUser = $this->domain->user();
 
        if (!$page->getActive()) {
            return;
        }
 
        $news_item = null;
 
        if ($update) {
            $news_id = \ilNewsItem::getLastNewsIdForContext(
                $page->getBlogId(),
                "blog",
                $page->getId(),
                $page->getParentType(),
                true
            );
            if ($news_id > 0) {
                $news_item = new \ilNewsItem($news_id);
            }
        }
 
        if (!$news_item) {
            $news_set = new \ilSetting("news");
            $default_visibility = $news_set->get("default_visibility", "users");
 
            $news_item = new \ilNewsItem();
            $news_item->setContext(
                $page->getBlogId(),
                "blog",
                $page->getId(),
                $page->getParentType()
            );
            $news_item->setPriority(NEWS_NOTICE);
            $news_item->setVisibility($default_visibility);
        }
 
        $news_item->setUserId($ilUser->getId());
 
        $news_item->setTitle($page->getTitle());
 
        $contentKey = $update
            ? "blog_news_posting_updated"
            : "blog_news_posting_published";
        $content = sprintf(
            $lng->txt($contentKey),
            \ilUserUtil::getNamePresentation($ilUser->getId())
        );
 
        $contributors = [];
        foreach ($this->page_manager->getPageContributors($page->getParentType(), $page->getId()) as $user) {
            $contributors[] = $user["user_id"];
        }
        if (count($contributors) > 1 || !in_array($page->getAuthor(), $contributors, true)) {
            $authors = [\ilUserUtil::getNamePresentation($page->getAuthor())];
            foreach ($contributors as $user_id) {
                if ($user_id !== $page->getAuthor()) {
                    $authors[] = \ilUserUtil::getNamePresentation($user_id);
                }
            }
            $content .= "\n" . sprintf(
                $lng->txt("blog_news_posting_authors"),
                implode(", ", $authors)
            );
        }
 
        $news_item->setContentTextIsLangVar(false);
        $news_item->setContent($content);
 
        $snippet = $this->posting_gui->getSnippet($page->getId());
        $news_item->setContentLong($snippet);
 
        if (!$news_item->getId()) {
            $news_item->create();
        } else {
            $news_item->update(true);
        }
    }
}