class.ilForumDraftsDerivedTaskProvider.php

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<?php
/* Copyright (c) 1998-2019 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilForumDraftsDerivedTaskProvider implements \ilDerivedTaskProvider
{
    protected $taskService;
 
    protected $accessHandler;
 
    protected $lng;
 
    protected $settings;
 
    protected $ctrl;
 
    public function __construct(
        ilTaskService $taskService,
        \ilAccessHandler $accessHandler,
        \ilLanguage $lng,
        \ilSetting $settings,
        \ilCtrl $ctrl
    ) {
        $this->taskService = $taskService;
        $this->accessHandler = $accessHandler;
        $this->lng = $lng;
        $this->settings = $settings;
        $this->ctrl = $ctrl;
 
        $this->lng->loadLanguageModule('forum');
    }
 
    public function getTasks(int $user_id) : array
    {
        $tasks = [];
 
        $drafts = \ilForumPostDraft::getDraftInstancesByUserId($user_id);
        foreach ($drafts as $draft) {
            $objId = ilForum::_lookupObjIdForForumId($draft->getForumId());
            $refId = $this->getFirstRefIdWithPermission('read', $objId, $user_id);
 
            if (0 === $refId) {
                continue;
            }
 
            $title = sprintf(
                $this->lng->txt('frm_task_publishing_draft_title'),
                $draft->getPostSubject()
            );
 
            $task = $this->taskService->derived()->factory()->task(
                $title,
                $refId,
                0,
                0
            );
 
            $isThread = false;
            if (0 === (int) $draft->getThreadId()) {
                $isThread = true;
            }
 
            $anchor = '';
            if ($isThread) {
                $params['draft_id'] = $draft->getDraftId();
                $params['cmd'] = 'editThreadDraft';
            } else {
                $params['thr_pk'] = $draft->getThreadId();
                $params['pos_pk'] = $draft->getPostId();
                $params['cmd'] = 'viewThread';
                $anchor = '#draft_' . $draft->getDraftId();
            }
 
            $url = \ilLink::_getLink($refId, 'frm', $params) . $anchor;
 
            $tasks[] = $task->withUrl($url);
        }
 
        return $tasks;
    }
 
    protected function getFirstRefIdWithPermission(string $operation, int $objId, int $userId) : int
    {
        foreach (\ilObject::_getAllReferences($objId) as $refId) {
            if ($this->accessHandler->checkAccessOfUser($userId, $operation, '', $refId)) {
                return $refId;
            }
        }
 
        return 0;
    }
 
    public function isActive() : bool
    {
        return (bool) $this->settings->get('save_post_drafts', false);
    }
}