/**
* Delete a course
* This method initially displays a form for confirming deletion
* then deletes course and associated information upon POST
*
* @return void
*/
public function deleteTask()
{
// Build title
$this->_buildTitle();
// Build pathway
$this->_buildPathway();
// Check if they're logged in
if (User::isGuest()) {
$this->loginTask(Lang::txt('COM_COURSES_NOT_LOGGEDIN'));
return;
}
// Ensure we found the course info
if (!$this->course->exists()) {
return App::abort(404, Lang::txt('COM_COURSES_NO_COURSE_FOUND'));
}
// Check authorization
if (!$this->course->access('delete')) {
return App::abort(403, Lang::txt('COM_COURSES_NOT_AUTH'));
}
// Get number of course members
$managers = $this->course->get('managers');
// Incoming
$process = Request::getVar('process', '');
$confirmdel = Request::getVar('confirmdel', '');
$msg = trim(Request::getVar('msg', '', 'post'));
// Did they confirm delete?
if (!$process || !$confirmdel) {
if ($process && !$confirmdel) {
Notify::error(Lang::txt('COM_COURSES_ERROR_CONFIRM_DELETION'), 'courses');
}
$log = Lang::txt('COM_COURSES_MEMBERS_LOG', count($managers));
// Trigger the functions that delete associated content
// Should return logs of what was deleted
$logs = Event::trigger('courses.onCourseDeleteCount', array($course));
if (count($logs) > 0) {
$log .= '<br />' . implode('<br />', $logs);
}
// Output HTML
$this->view->title = Lang::txt('COM_COURSES_DELETE_COURSE') . ': ' . $this->course->get('title');
$this->view->course = $course;
$this->view->log = $log;
$this->view->msg = $msg;
$this->view->notifications = Notify::messages('courses');
$this->view->display();
return;
}
$this->course->set('state', 2);
// Delete course
if (!$this->course->update()) {
$this->view->setLayout('error');
$this->view->title = $title;
if ($this->course->getError()) {
Notify::error($this->course->getError(), 'courses');
}
$this->view->notifications = Notify::messages('courses');
$this->view->display();
return;
}
// Get and set some vars
$date = Date::of('now');
// Build the "from" info for e-mails
$from = array('name' => Config::get('sitename') . ' ' . Lang::txt(strtoupper($this->_name)), 'email' => Config::get('mailfrom'));
// E-mail subject
$subject = Lang::txt('COM_COURSES_SUBJECT_COURSE_DELETED', $gcn);
// Build the e-mail message
$eview = new \Hubzero\Component\View(array('name' => 'emails', 'layout' => 'deleted'));
$eview->option = $this->_option;
$eview->sitename = Config::get('sitename');
$eview->user = User::getInstance();
$eview->gcn = $gcn;
$eview->msg = $msg;
$eview->course = $deletedcourse;
$message = $eview->loadTemplate();
$message = str_replace("\n", "\r\n", $message);
// Send the message
if (!Event::trigger('xmessage.onSendMessage', array('courses_deleted', $subject, $message, $from, $members, $this->_option))) {
Notify::error(Lang::txt('COM_COURSES_ERROR_EMAIL_MEMBERS_FAILED'));
}
// Log the deletion
$xlog = new Tables\Log($this->database);
$xlog->gid = $this->course->get('id');
$xlog->uid = User::get('id');
$xlog->timestamp = Date::toSql();
$xlog->action = 'course_deleted';
$xlog->comments = $log;
$xlog->actorid = User::get('id');
if (!$xlog->store()) {
Notify::error($xlog->getError());
}
// Redirect back to the courses page
App::redirect(Route::url('index.php?option=' . $this->_option), Lang::txt('COM_COURSES_COURSE_DELETED', $this->course->get('title')), 'passed');
}
/**
* Log an action
*
* @param integer $scope_id Scope ID
* @param string $scope Scope
* @param string $action Action performed
* @param string $log Data
* @return void
*/
public function log($scope_id, $scope, $action, $log = null)
{
$log = new Tables\Log($this->_db);
$log->scope_id = $scope_id;
$log->scope = $scope;
$log->user_id = User::get('id');
$log->timestamp = Date::toSql();
$log->action = $action;
$log->comments = $log;
$log->actor_id = User::get('id');
if (!$log->store()) {
$this->setError($log->getError());
}
}
/**
* Removes a course and all associated information
*
* @return void
*/
public function deleteTask()
{
// Check for request forgeries
Request::checkToken();
// Incoming
$ids = Request::getVar('id', array());
$ids = !is_array($ids) ? array($ids) : $ids;
$num = 0;
// Do we have any IDs?
if (!empty($ids)) {
foreach ($ids as $id) {
// Load the course page
$model = \Components\Courses\Models\Unit::getInstance($id);
// Ensure we found the course info
if (!$model->exists()) {
continue;
}
// Delete course
if (!$model->delete()) {
throw new Exception(Lang::txt('COM_COURSES_ERROR_UNABLE_TO_REMOVE_ENTRY'), 500);
}
// Log the course approval
$log = new Tables\Log($this->database);
$log->scope_id = $id;
$log->scope = 'course_unit';
$log->user_id = User::get('id');
$log->timestamp = Date::toSql();
$log->action = 'unit_deleted';
$log->actor_id = User::get('id');
if (!$log->store()) {
$this->setError($log->getError());
}
$num++;
}
}
// Redirect back to the courses page
App::redirect(Route::url('index.php?option=' . $this->_option . '&controller=' . $this->_controller . '&offering=' . Request::getInt('offering', 0), false), Lang::txt('COM_COURSES_ITEMS_REMOVED', $num));
}
