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<?php
/**
* Simple Content Module von Stud.IP
*
* 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>
* @author André Noack <anoack@mcis.de>
* @author Cornelis Kater <ckater@gwdg.de>
* @author Stefan Suchi <suchi@gmx.de>
* @author Tobias Thelen <tthelen@uni-osnabrueck.de>
* @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2
* @category Stud.IP
* @since 2.5
*/
class Course_ScmController extends AuthenticatedController
{
protected $allow_nobody = true;
protected $_autobind = true;
/**
* Sets the page title. Page title always includes the course name.
*
* @param mixed $title Title of the page (optional)
*/
private function set_title($title = '')
{
$title_parts = func_get_args();
$title_parts[] = Context::getHeaderLine();
$page_title = implode(' - ', $title_parts);
PageLayout::setTitle($page_title);
}
/**
* Before filter, set up the page by initializing the session and checking
* all conditions.
*
* @param String $action Name of the action to be invoked
* @param Array $args Arguments to be passed to the action method
*/
public function before_filter(&$action, &$args)
{
parent::before_filter($action, $args);
if (!Config::Get()->SCM_ENABLE) {
throw new AccessDeniedException(_('Die freien Informationsseiten sind nicht aktiviert.'));
}
checkObject();
$this->priviledged = $GLOBALS['perm']->have_studip_perm('tutor', Context::getId());
if (!in_array($action, words('index create edit move delete'))) {
array_unshift($args, $action);
$action = 'index';
}
if (in_array($action, words('create edit move delete')) && !$this->priviledged) {
throw new AccessDeniedException();
}
if ($GLOBALS['perm']->have_studip_perm('tutor', Context::getId())) {
$widget = Sidebar::get()->addWidget(new ActionsWidget());
$widget->addLink(
_('Neuen Eintrag anlegen'),
$this->createURL(),
Icon::create('add')
)->asDialog();
}
Navigation::activateItem('/course/scm');
checkObject(); // do we have an open object?
checkObjectModule('scm');
object_set_visit_module('scm');
}
/**
* Displays a page.
*
* @param mixed $id Id of the page to display, optional - defaults to
* first page in set.
*/
public function index_action($id = null)
{
$temp = StudipScmEntry::findByRange_id(Context::getId(), 'ORDER BY position ASC');
$this->scms = SimpleORMapCollection::createFromArray($temp);
$this->scm = $id ? $this->scms->find($id) : $this->scms->first();
if (!$this->scm && $this->scms->count() > 0) {
throw new Trails_Exception(404, _('Es konnte keine freie Informationsseite mit der angegebenen Id gefunden werden.'));
}
if (Request::get('verify') === 'delete') {
PageLayout::postQuestion(
_('Wollen Sie diese Seite wirklich löschen?'),
$this->url_for("course/scm/delete/{$this->scm->id}")
)->includeTicket('studip_ticket');
}
$this->set_title($this->scm->tab_name ?: _('Informationen'));
Navigation::activateItem('/course/scm/' . $this->scm->id);
}
/**
* Create a page, more or less an alias for the edit action.
*/
public function create_action()
{
$this->scm = new StudipScmEntry();
$this->scm->user_id = $GLOBALS['user']->id;
$this->scm->chdate = time();
$this->first_entry = StudipScmEntry::countBySql('range_id = ?', [Context::getId()]) === 0;
$this->set_title(_('Neue Informationsseite anlegen'));
$this->render_action('edit');
}
/**
* Edits or creates a page.
*
* @param mixed $id Id of the page to edit; a new page will be created if
* this parameter is omitted.
*/
public function edit_action(StudipScmEntry $scm = null)
{
if (Request::submitted('submit')) {
CSRFProtection::verifyUnsafeRequest();
$scm->tab_name = Request::i18n('tab_name');
$scm->content = Studip\Markup::purifyHtml(Request::i18n('content'));
$scm->user_id = $GLOBALS['user']->id;
$scm->range_id = Context::getId();
if ($scm->store() !== false) {
PageLayout::postsuccess(_('Die Änderungen wurden übernommen.'));
}
$this->redirect('course/scm/' . $scm->id);
return;
}
$this->set_title(_('Informationsseite bearbeiten') . ': ' . $scm->tab_name);
Navigation::activateItem('/course/scm/' . $scm->id);
}
/**
* Moves a page to the front so it becomes the first page the user will
* see.
*
* @param String $id Id of the page to move
*/
public function move_action(StudipScmEntry $scm)
{
if ($scm->range_id == Context::getId()){
$query = "UPDATE `scm`
SET `position` = `position` + 1
WHERE `range_id` = :range_id AND `position` < :position";
$statement = DBManager::get()->prepare($query);
$statement->bindValue(':range_id', $scm->range_id);
$statement->bindValue(':position', $scm->position);
$statement->execute();
$scm->position = 0;
if ($scm->store()) {
PageLayout::postSuccess(_('Der Eintrag wurde an die erste Position verschoben.'));
}
}
$this->redirect('course/scm/' . $scm->id);
}
/**
* Deletes a page.
*
* @param String $id Id of the page to delete
*/
public function delete_action(StudipScmEntry $scm)
{
$ticket = Request::option('studip_ticket');
if ($ticket && check_ticket($ticket)) {
if ($scm->range_id == Context::getId()){
$scm->delete();
PageLayout::postSuccess(_('Der Eintrag wurde gelöscht.'));
}
$this->redirect('course/scm');
return;
}
PageLayout::postError(
_('Es ist ein Fehler aufgetreten.') . ' ' . _('Bitte versuchen Sie erneut, diese Seite zu löschen.')
);
$this->redirect('course/scm/' . $scm->id);
}
}
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