/**
* List blubber in a course
*
* @get /course/:course_id/blubber
*
* @param string $course_id id of the course
*
* @return Array the blubber as array('collection' => array(...), 'pagination' => array())
*/
public function getCourseBlubber($course_id)
{
if (!$GLOBALS['perm']->have_studip_perm("autor", $course_id)) {
$this->error(401);
}
$stream = \BlubberStream::getCourseStream($course_id);
return $this->getStreamBlubberRestResource($stream, compact("course_id"));
}
/**
* Displays more postings in the same stream (global, forum oder profile-stream).
* This action is used by infinity-scroll and displays a maximum of
* $this->max_threads threads.
* @throws AccessDeniedException
*/
public function more_postings_action()
{
$context_id = Request::option("context_id");
switch (Request::get("stream")) {
case "global":
$stream = BlubberStream::getGlobalStream();
break;
case "course":
$stream = BlubberStream::getCourseStream($context_id);
break;
case "profile":
$stream = BlubberStream::getProfileStream($context_id);
break;
case "custom":
$stream = new BlubberStream($context_id);
break;
}
$output = array();
$offset = $this->max_threads * Request::int("offset");
$limit = $this->max_threads + 1;
$stream_time = Request::int("stream_time");
$threads = $stream->fetchThreads($offset, $limit, $stream_time);
$output['more'] = count($threads) > $this->max_threads;
if ($output['more']) {
$threads = array_slice($threads, 0, $this->max_threads);
}
$output['threads'] = array();
$factory = new Flexi_TemplateFactory($this->plugin->getPluginPath() . "/views");
foreach ($threads as $posting) {
$template = $factory->open("streams/_blubber.php");
$template->set_attribute('thread', $posting);
$template->set_attribute('course_id', $_SESSION['SessionSeminar']);
$template->set_attribute('controller', $this);
$output['threads'][] = array('content' => $template->render(), 'discussion_time' => $posting['discussion_time'], 'mkdate' => $posting['mkdate'], 'posting_id' => $posting->getId());
}
$this->render_json($output);
}
/**
* Needed function to return notification-objects.
* @param string $course_id
* @param int $since
* @param string $user_id
* @return array of type ContentElement
*/
public function getNotificationObjects($course_id, $since, $user_id)
{
$blubber = BlubberStream::getCourseStream($course_id)->fetchNewPostings($since);
$contents = array();
foreach ($blubber as $blubb) {
$contents[] = new ContentElement($blubb['name'], $blubb['name'], $blubb['description'], $blubb['user_id'], get_fullname($blubb['user_id']), PluginEngine::getURL($this, array(), 'streams/thread/' . $blubb['root_id']), $blubb['mkdate']);
}
return $contents;
}
