/**
* 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(array('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' => getenv('REMOTE_ADDR')), $seminar_id);
$stmt = DBManager::get()->prepare("INSERT INTO forum_entries_issues\n (issue_id, topic_id) VALUES (?, ?)");
$stmt->execute(array($issue_id, $topic_id));
}
}
/**
* the main action for the forum. May be called with a topic_id to be displayed
* and optionally the page to display
*
* @param type $topic_id the topic to display, defaults to the main
* view of the current seminar
* @param type $page the page to be displayed (for thread-view)
*/
function index_action($topic_id = null, $page = null)
{
$nav = Navigation::getItem('course/forum2');
$nav->setImage(Icon::create('forum', 'info'));
Navigation::activateItem('course/forum2/index');
// check, if the root entry is present
ForumEntry::checkRootEntry($this->getId());
/* * * * * * * * * * * * * * * * * * *
* V A R I A B L E N F U E L L E N *
* * * * * * * * * * * * * * * * * * */
$this->section = 'index';
$this->topic_id = $topic_id ? $topic_id : $this->getId();
$this->constraint = ForumEntry::getConstraints($this->topic_id);
// check if there has been submitted an invalid id and use seminar_id in case
if (!$this->constraint) {
$this->topic_id = $this->getId();
$this->constraint = ForumEntry::getConstraints($this->topic_id);
}
$this->highlight_topic = Request::option('highlight_topic', null);
// set page to which we shall jump
if ($page) {
ForumHelpers::setPage($page);
}
// we do not crawl deeper than level 2, we show a page chooser instead
if ($this->constraint['depth'] > 2) {
ForumHelpers::setPage(ForumEntry::getPostingPage($this->topic_id, $this->constraint));
$path = ForumEntry::getPathToPosting($this->topic_id);
array_shift($path);
array_shift($path);
$path_element = array_shift($path);
$this->child_topic = $this->topic_id;
$this->topic_id = $path_element['id'];
$this->constraint = ForumEntry::getConstraints($this->topic_id);
}
// check if the topic_id matches the currently selected seminar
ForumPerm::checkTopicId($this->getId(), $this->topic_id);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* B E R E I C H E / T H R E A D S / P O S T I N G S L A D E N *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
// load list of areas for use in thread-movement
if (ForumPerm::has('move_thread', $this->getId())) {
$this->areas = ForumEntry::getList('flat', $this->getId());
}
if ($this->constraint['depth'] > 1) {
// POSTINGS
$list = ForumEntry::getList('postings', $this->topic_id);
if (!empty($list['list'])) {
$this->postings = $list['list'];
$this->number_of_entries = $list['count'];
}
} else {
if ($this->constraint['depth'] == 0) {
// BEREICHE
$list = ForumEntry::getList('area', $this->topic_id);
} else {
$list = ForumEntry::getList('list', $this->topic_id);
}
if ($this->constraint['depth'] == 0) {
// BEREICHE
$new_list = array();
// iterate over all categories and add the belonging areas to them
foreach ($categories = ForumCat::getListWithAreas($this->getId(), false) as $category) {
if ($category['topic_id']) {
$new_list[$category['category_id']][$category['topic_id']] = $list['list'][$category['topic_id']];
unset($list['list'][$category['topic_id']]);
} else {
if (ForumPerm::has('add_area', $this->seminar_id)) {
$new_list[$category['category_id']] = array();
}
}
$this->categories[$category['category_id']] = $category['entry_name'];
}
if (!empty($list['list'])) {
// append the remaining entries to the standard category
$new_list[$this->getId()] = array_merge((array) $new_list[$this->getId()], $list['list']);
}
// check, if there are any orphaned entries
foreach ($new_list as $key1 => $list_item) {
foreach ($list_item as $key2 => $contents) {
if (empty($contents)) {
// remove the orphaned entry from the list and from the database
unset($new_list[$key1][$key2]);
ForumCat::removeArea($key2);
}
}
}
$this->list = $new_list;
} else {
if ($this->constraint['depth'] == 1) {
// THREADS
if (!empty($list['list'])) {
$this->list = array($list['list']);
}
}
}
$this->number_of_entries = $list['count'];
}
// set the visit-date and get the stored last_visitdate
$this->visitdate = ForumVisit::getLastVisit($this->getId());
$this->seminar_id = $this->getId();
// highlight text if passed some words to highlight
if (Request::getArray('highlight')) {
$this->highlight = Request::optionArray('highlight');
}
if (($this->edit_posting = Request::get('edit_posting', null)) && !ForumPerm::hasEditPerms($this->edit_posting)) {
$this->edit_posting = null;
}
}
