/**
* 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;
}
}
/**
* move the submitted topics[] to the passed destination
*
* @param string $destination id of seminar to move topics to
*/
function move_action($destination)
{
// check if destination is a category_id. if yes, use seminar_id instead
if (ForumCat::get($destination)) {
$category_id = $destination;
$destination = $this->getId();
}
ForumPerm::check('admin', $this->getId(), $destination);
foreach (Request::getArray('topics') as $topic_id) {
// make sure every passed topic_id is checked against the current seminar
ForumPerm::check('admin', $this->getId(), $topic_id);
// if the source is an area and the target a category, just move this area to the category
$entry = ForumEntry::getEntry($topic_id);
if ($entry['depth'] == 1 && $category_id) {
ForumCat::removeArea($topic_id);
ForumCat::addArea($category_id, $topic_id);
} else {
// first step: move the whole topic with all childs
ForumEntry::move($topic_id, $destination);
// if the current topic id is an area, remove it from any categories
ForumCat::removeArea($topic_id);
// second step: move all to deep childs a level up (depth > 3)
$data = ForumEntry::getList('depth_to_large', $topic_id);
foreach ($data['list'] as $entry) {
$path = ForumEntry::getPathToPosting($entry['topic_id']);
array_shift($path);
// Category
array_shift($path);
// Area
$thread = array_shift($path);
// Thread
ForumEntry::move($entry['topic_id'], $thread['id']);
}
// add entry to passed category when moving to the top
if ($category_id) {
ForumCat::addArea($category_id, $topic_id);
}
}
}
$this->render_nothing();
}
