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<?php
/**
* ForumIssue.php - Manage issues linked to postings
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* @author Till Glöggler <tgloeggl@uos.de>
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL version 3
* @category Stud.IP
*/
class ForumIssue
{
/**
* Get the id of the topic linked to the issue denoted by the passed id.
*
* @param string $issue_id
* @return string the id of the linked topic
*/
static function getThreadIdForIssue($issue_id)
{
$stmt = DBManager::get()->prepare("SELECT topic_id FROM forum_entries_issues
WHERE issue_id = ?");
$stmt->execute([$issue_id]);
return ($stmt->fetchColumn());
}
/**
* Get the id of the issue linked to the topic denoted by the passed id.
*
* @param string $topic_id
* @return string the id of the linked topic
*/
static function getIssueIdForThread($topic_id)
{
$stmt = DBManager::get()->prepare("SELECT issue_id FROM forum_entries_issues
WHERE topic_id = ?");
$stmt->execute([$topic_id]);
return ($stmt->fetchColumn());
}
/**
* Create/Update the linked posting for the passed issue_id
*
* @param string $seminar_id
* @param string $issue_id issue id to link to
* @param string $title (new) title of the posting
* @param string $content (new) content of the posting
*/
static function setThreadForIssue($seminar_id, $issue_id, $title, $content)
{
if ($topic_id = self::getThreadIdForIssue($issue_id)) { // update
ForumEntry::update($topic_id, $title ?: _('Ohne Titel'), $content);
} else { // create
// make sure the forum is set up properly
ForumEntry::checkRootEntry($seminar_id);
$topic_id = md5(uniqid(rand()));
ForumEntry::insert([
'topic_id' => $topic_id,
'seminar_id' => $seminar_id,
'user_id' => $GLOBALS['user']->id,
'name' => $title ?: _('Ohne Titel'),
'content' => $content,
'author' => get_fullname($GLOBALS['user']->id),
'author_host' => ($GLOBALS['user']->id == 'nobody') ? getenv('REMOTE_ADDR') : ''
], $seminar_id);
$stmt = DBManager::get()->prepare("INSERT INTO forum_entries_issues
(issue_id, topic_id) VALUES (?, ?)");
$stmt->execute([$issue_id, $topic_id]);
}
}
/**
* Remove the link for the posting denoted by the passed topic_id
*
* @param object $notification
* @param string $topic_id
*/
static function unlinkIssue($notification, $topic_id)
{
$stmt = DBManager::get()->prepare("DELETE FROM forum_entries_issues
WHERE topic_id = ?");
$stmt->execute([$topic_id]);
}
}
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