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<?php
/**
* PublicCoursesController - Shows an overview of all courses with public
* access
*
* 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 2 of
* the License, or (at your option) any later version.
*
* @author Jan-Hendrik Willms <tleilax+studip@gmail.com>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 3.0
*/
class PublicCoursesController extends AuthenticatedController
{
protected $allow_nobody = true;
/**
* Initializes the controller.
*
* @param string $action Action to execute
* @param array $args Passed parameters
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (!Config::get()->ENABLE_FREE_ACCESS) {
throw new AccessDeniedException(_('Öffentliche Veranstaltungen sind nicht aktiviert.'));
}
Navigation::activateItem('/browse');
PageLayout::setTitle(_('Öffentliche Veranstaltungen'));
PageLayout::setHelpKeyword('Basis.SymboleFreieVeranstaltungen');
// we are definitely not in an lexture or institute
closeObject();
}
/**
* Displays a list of all public courses
*/
public function index_action()
{
$query = "SELECT Seminar_id, seminare.Name AS name, seminare.status, seminare.Schreibzugriff,
Institute.Name AS Institut, Institut_id AS id
FROM seminare
LEFT JOIN Institute USING (Institut_id)
WHERE Lesezugriff = '0' AND seminare.visible = '1'
ORDER BY :order";
$statement = DBManager::get()->prepare($query);
$statement->bindParam(':order', Request::option('sortby', 'Name'), StudipPDO::PARAM_COLUMN);
$statement->execute();
$seminars = $statement->fetchGrouped(PDO::FETCH_ASSOC);
$seminars = $this->get_seminar_navigations($seminars);
$this->seminars = $seminars;
}
/**
* Adds all navigation entries for each passed seminar.
*
* @param array $seminars List of seminars
* @return array Extended list of seminars
*/
protected function get_seminar_navigations($seminars)
{
if (empty($seminars)) {
return [];
}
foreach ($seminars as $id => $seminar) {
$seminar['navigations'] = [];
$seminar['tools'] = new SimpleCollection(ToolActivation::findByrange_id($id));
foreach (MyRealmModel::getDefaultModules() as $plugin_id => $plugin) {
// Go to next module if current module is not available and not voting-module
if ($plugin !== 'vote' && !$seminar['tools']->findOneBy('plugin_id', $plugin_id)) {
$seminar['navigations'][get_class($plugin)] = null;
continue;
}
if (!Config::get()->VOTE_ENABLE && $plugin_id === 'vote') {
continue;
}
if ($plugin === 'vote') {
$seminar['navigations'][$plugin] = false;
} else if ($tool = $seminar['tools']->findOneBy('plugin_id', $plugin_id)) {
if ($tool->getVisibilityPermission() === 'nobody') {
$seminar['navigations'][get_class($plugin)] = false;
} else {
$seminar['navigations'][get_class($plugin)] = null;
}
}
}
$seminars[$id] = $seminar;
}
$seminar_ids = array_keys($seminars);
// Documents
$query = "SELECT range_id, COUNT(*) AS count
FROM folders
INNER JOIN file_refs ON folder_id = folders.id
WHERE range_id IN (?) AND range_type = 'course'
AND folder_type IN ('RootFolder', 'StandardFolder')
GROUP BY range_id";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['CoreDocuments'])) {
$nav = new Navigation('files', 'dispatch.php/course/files/index');
$nav->setImage(Icon::create('files', attributes: ['title' => sprintf(_('%s Dokumente'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['CoreDocuments'] = $nav;
}
}
// News
$query = "SELECT range_id, COUNT(*) AS count
FROM news_range
LEFT JOIN news USING (news_id)
WHERE range_id IN (?)
GROUP BY range_id
HAVING count > 0";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['CoreOverview'])) {
$nav = new Navigation('news', '');
$nav->setImage(Icon::create('news', attributes: ['title' => sprintf(_('%s Ankündigungen'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['CoreOverview'] = $nav;
}
}
// Information
$query = "SELECT range_id, COUNT(*) AS count
FROM scm
WHERE range_id IN (?)
GROUP BY range_id";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['CoreScm'])) {
$nav = new Navigation('scm', 'dispatch.php/course/scm');
$nav->setImage(Icon::create('infopage', attributes: ['title' => sprintf(_('%s Einträge'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['CoreScm'] = $nav;
}
}
// Appointments
$query = "SELECT range_id, COUNT(*) AS count
FROM termine
WHERE range_id IN (?)
GROUP BY range_id";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['CoreSchedule'])) {
$nav = new Navigation('schedule', 'dispatch.php/course/dates');
$nav->setImage(Icon::create('schedule', attributes: ['title' => sprintf(_('%s Termine'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['CoreSchedule'] = $nav;
}
}
// Wiki
if (Config::get()->WIKI_ENABLE) {
$query = "SELECT `range_id`, COUNT(`wiki_versions`.`version_id`) + 1 AS count
FROM `wiki_pages`
LEFT JOIN `wiki_versions` USING (`page_id`)
WHERE `range_id` IN (?)
GROUP BY `range_id`";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['CoreWiki'])) {
$nav = new Navigation(
'wiki',
URLHelper::getURL('dispatch.php/course/wiki/page', ['cid' => $row['range_id']])
);
$nav->setImage(Icon::create('wiki', attributes: ['title' => sprintf(_('%s WikiSeiten'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['CoreWiki'] = $nav;
}
}
}
// Votes
if (Config::get()->VOTE_ENABLE) {
$query = "SELECT questionnaire_assignments.range_id, COUNT(DISTINCT questionnaires.questionnaire_id) AS count
FROM questionnaires
INNER JOIN questionnaire_assignments ON (questionnaire_assignments.questionnaire_id = questionnaires.questionnaire_id)
WHERE questionnaires.visible = '1'
AND questionnaire_assignments.range_id IN (?)
GROUP BY questionnaire_assignments.range_id ";
$statement = DBManager::get()->prepare($query);
$statement->execute([$seminar_ids]);
while ($row = $statement->fetch(PDO::FETCH_ASSOC)) {
if (isset($seminars[$row['range_id']]['navigations']['vote'])) {
$nav = new Navigation('vote', '#vote');
$nav->setImage(Icon::create('vote', attributes: ['title' => sprintf(_('%s Umfrage(n)'), $row['count'])]));
$seminars[$row['range_id']]['navigations']['vote'] = $nav;
}
}
}
foreach ($seminars as $id => $seminar) {
foreach ($seminar['tools'] as $tool) {
$module = $tool->getStudipModule();
if (!$module || in_array(get_class($module), ['CoreAdmin', 'CoreStudygroupAdmin', 'CoreWiki', 'CoreSchedule', 'CoreScm', 'CoreOverview', 'CoreDocuments'])) {
continue;
}
if ($tool->getVisibilityPermission() === 'nobody') {
$seminar['navigations'][get_class($module)] = $module->getIconNavigation($id, time(), 'nobody');
} else {
$seminar['navigations'][get_class($module)] = null;
}
}
$seminars[$id] = $seminar;
}
return $seminars;
}
}
|
