public function select_group()
{
$group_id = $this->input->post('group_id');
$this->_transaction_isolation();
$this->db->trans_begin();
$group = new Group();
$group->get_by_id($group_id);
if ($group->exists()) {
$course = $group->course->get();
if (is_null($course->groups_change_deadline) || date('U', strtotime($course->groups_change_deadline)) >= time()) {
$student = new Student();
$student->get_by_id($this->usermanager->get_student_id());
if ($student->is_related_to('active_course', $course->id)) {
$participant = new Participant();
$participant->where_related($student);
$participant->where_related($course);
$participant->where('allowed', 1);
$participant->get();
if ($participant->exists()) {
if (!$participant->is_related_to($group)) {
$participant->save($group);
$participant->where_related($course);
$participant->where_related($group);
$participant->where('allowed', 1);
$participants_count = $participant->count();
$room = new Room();
$room->where_related($group)->order_by('capacity', 'asc')->limit(1)->get();
if ($participants_count > intval($room->capacity)) {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_group_is_full', Messages::MESSAGE_TYPE_ERROR);
} else {
$this->db->trans_commit();
$this->messages->add_message(sprintf($this->lang->line('groups_message_group_changed'), $this->lang->text($group->name)), Messages::MESSAGE_TYPE_SUCCESS);
$this->_action_success();
$this->output->set_internal_value('course_id', $participant->course_id);
}
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_you_are_in_group', Messages::MESSAGE_TYPE_ERROR);
}
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_cant_found_participant_record', Messages::MESSAGE_TYPE_ERROR);
}
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_cant_change_group_of_inactive_course', Messages::MESSAGE_TYPE_ERROR);
}
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_groups_switching_disabled', Messages::MESSAGE_TYPE_ERROR);
}
} else {
$this->db->trans_rollback();
$this->messages->add_message('lang:groups_message_group_not_found', Messages::MESSAGE_TYPE_ERROR);
}
redirect(create_internal_url('groups'));
}
public function table_content()
{
$filter = $this->input->post('filter');
$this->store_filter($filter);
$participants = new Participant();
$participants->include_related('student', 'fullname');
$participants->include_related('student', 'email');
$participants->include_related('course', 'name');
$participants->include_related('course/period', 'name');
$participants->include_related('group', 'name');
if (isset($filter['student_fullname']) && trim($filter['student_fullname']) != '') {
$participants->like_related('student', 'fullname', trim($filter['student_fullname']));
}
if (isset($filter['course']) && intval($filter['course']) > 0) {
$participants->where_related('course', 'id', intval($filter['course']));
}
if (isset($filter['group']) && intval($filter['group']) > 0) {
$participants->where_related('group', 'id', intval($filter['group']));
}
if (isset($filter['group_set'])) {
if ($filter['group_set'] == 'none') {
$participants->where('group_id', NULL);
} else {
if ($filter['group_set'] == 'assigned') {
$participants->group_start(' NOT', 'AND');
$participants->where('group_id', NULL);
$participants->group_end();
}
}
}
$order_by_direction = $filter['order_by_direction'] == 'desc' ? 'desc' : 'asc';
if ($filter['order_by_field'] == 'student') {
$participants->order_by_related_as_fullname('student', 'fullname', $order_by_direction);
$participants->order_by_related('student', 'email', $order_by_direction);
} elseif ($filter['order_by_field'] == 'course') {
$participants->order_by_related('course/period', 'sorting', $order_by_direction);
$participants->order_by_related_with_constant('course', 'name', $order_by_direction);
} elseif ($filter['order_by_field'] == 'group') {
$participants->order_by_related_with_constant('group', 'name', $order_by_direction);
} elseif ($filter['order_by_field'] == 'status') {
$participants->order_by('allowed', $order_by_direction);
}
$participants->get_paged_iterated(isset($filter['page']) ? intval($filter['page']) : 1, isset($filter['rows_per_page']) ? intval($filter['rows_per_page']) : 25);
$this->parser->parse('backend/participants/table_content.tpl', array('participants' => $participants));
}
/**
* Delete this student or related object.
* If no parameters are set, this method deletes current student and all participant record related with this student.
* @param DataMapper|string $object related object to delete from relation.
* @param string $related_field relation internal name.
*/
public function delete($object = '', $related_field = '')
{
if (empty($object) && !is_array($object) && !empty($this->id)) {
$participant = new Participant();
$participant->where_related($this);
$participant->get();
$participant->delete_all();
}
parent::delete($object, $related_field);
}
public function import_single_line()
{
$this->output->set_content_type('application/json');
$firstname = $this->input->post('firstname');
$lastname = $this->input->post('lastname');
$fullname = $this->input->post('fullname');
$email = $this->input->post('email');
$options = $this->input->post('options');
$this->parser->assign('firstname', $firstname);
$this->parser->assign('lastname', $lastname);
$this->parser->assign('fullname', $fullname);
$this->parser->assign('email', $email);
if ((trim($firstname) != '' && trim($lastname) != '' || trim($fullname) != '') && trim($email) != '') {
$student_fullname = trim($fullname) != '' ? trim($fullname) : trim($firstname) . ' ' . trim($lastname);
$this->_transaction_isolation();
$this->db->trans_begin();
$student = new Student();
$student->where('email', trim($email));
$student->get();
if ($student->exists()) {
if ($student->fullname != $student_fullname) {
$student->fullname = $student_fullname;
$student->save();
$this->db->trans_commit();
} else {
$this->db->trans_rollback();
}
$this->parser->assign('error_message', 'lang:admin_students_csv_import_error_message_student_exists');
} else {
$this->load->library('form_validation');
if ($this->form_validation->valid_email(trim($email))) {
$student->email = trim($email);
$student->fullname = $student_fullname;
$password = '';
if ($options['password_type'] == 'default') {
$password = $this->config->item('student_import_default_password');
} elseif ($options['password_type'] == 'random') {
$password = md5(base64_encode(rand(0, 99999999999) . time() . $student->fullname . $student->email) . $this->config->item('encryption_key'));
$password = substr($password, 0, rand(6, 20));
}
$student->password = $password != '' ? sha1($password) : '';
$student->language = $this->config->item('language');
if ($student->save()) {
$this->parser->assign('password', $password);
$this->db->trans_commit();
$this->parser->assign('success_message', 'lang:admin_students_csv_import_successfully_imported');
if ((bool) $options['send_mail']) {
if ($password == '') {
$this->_transaction_isolation();
$this->db->trans_begin();
$student->generate_random_password_token();
$this->db->trans_commit();
}
$this->_init_language_for_student($student);
$this->load->library('email');
$this->email->from_system();
$this->email->to($student->email);
$this->email->subject($this->lang->line('admin_students_csv_import_email_subject'));
$this->email->build_message_body('file:emails/backend/students/csv_import_email.tpl', array('student' => $student, 'password' => $password));
$sent = $this->email->send();
$this->_init_language_for_teacher();
if ($sent) {
$this->parser->assign('email_success_message', 'lang:admin_students_csv_import_email_sent_successfully');
} else {
$this->parser->assign('email_error_message', 'lang:admin_students_csv_import_email_sent_failed');
}
}
} else {
$this->db->trans_rollback();
$this->parser->assign('error_message', 'lang:admin_students_csv_import_error_message_student_save_error');
}
} else {
$this->db->trans_rollback();
$this->parser->assign('error_message', 'lang:admin_students_csv_import_error_message_student_email_invalid');
}
}
if ($student->exists()) {
$this->parser->assign('student_id', $student->id);
if (intval($options['assign_to_course']) > 0) {
$this->_transaction_isolation();
$this->db->trans_begin();
$course = new Course();
$course->get_by_id(intval($options['assign_to_course']));
if ($course->exists()) {
$participant = new Participant();
$participant->where_related('student', 'id', $student->id);
$participant->where_related('course', 'id', $course->id);
$participant->get();
if (!$participant->exists()) {
$participant->allowed = 0;
if ($participant->save(array('student' => $student, 'course' => $course))) {
$this->db->trans_commit();
$this->parser->assign('course_assignment_success_message', 'lang:admin_students_csv_import_successfully_added_course_participation');
$this->db->trans_begin();
$course = new Course();
$course->get_by_id(intval($options['assign_to_course']));
$participant->allowed = 1;
$participant->save();
$participants = new Participant();
$participants->where_related($course);
$participants->where('allowed', 1);
$participants_count = $participants->count();
if ($participants_count <= $course->capacity) {
$this->db->trans_commit();
$this->parser->assign('course_assignment_approwal_success_message', 'lang:admin_students_csv_import_successfully_added_course_participation_approwal');
} else {
$this->db->trans_rollback();
$this->parser->assign('course_assignment_approwal_error_message', 'lang:admin_students_csv_import_error_message_added_course_participation_approwal');
}
} else {
$this->db->trans_rollback();
$this->parser->assign('course_assignment_error_message', 'lang:admin_students_csv_import_error_message_participation_save_failed');
}
} else {
$this->db->trans_rollback();
$this->parser->assign('course_assignment_error_message', 'lang:admin_students_csv_import_error_message_already_in_course');
}
} else {
$this->db->trans_rollback();
$this->parser->assign('course_assignment_error_message', 'lang:admin_students_csv_import_error_message_course_not_found');
}
}
}
} else {
$this->parser->assign('error_message', 'lang:admin_students_csv_import_error_message_nothing_to_import');
}
$html = $this->parser->parse('backend/students/import_single_line.tpl', array(), TRUE);
$this->output->set_output(json_encode($html));
}
public function select_project($task_set_id, $task_id, $student_id)
{
$output = new stdClass();
$output->message = '';
$output->status = FALSE;
$this->_transaction_isolation();
$this->db->trans_begin();
$task_set = new Task_set();
$task_set->where('content_type', 'project');
$task_set->get_by_id((int) $task_set_id);
$task = new Task();
$task->get_by_id((int) $task_id);
$student = new Student();
$student->get_by_id((int) $student_id);
$course = new Course();
$course->where_related_task_set($task_set);
$course->get();
$participant = new Participant();
$participant->where_related_course($course);
$participant->where_related($student);
$participant->where('allowed', 1);
$participant->get();
$project_selection = new Project_selection();
$project_selection->where_related_student($student);
$project_selection->where_related_task_set($task_set);
$project_selection->get();
if ($task_set->exists() && $task->exists() && $task_set->is_related_to($task) && $student->exists() && $course->exists() && $participant->exists()) {
if ($task_set->get_student_files_count($student->id) == 0) {
$all_project_selections = new Project_selection();
$all_project_selections->where_related_task_set($task_set);
$all_project_selections->where_related_task($task);
$currently_selected = $all_project_selections->count();
$jf_task = $task_set->task->include_join_fields()->get_by_id($task_id);
$maximum_selections = (int) $jf_task->join_max_projects_selections;
if ($project_selection->exists()) {
if (!$project_selection->is_related_to($task)) {
if ($currently_selected < $maximum_selections) {
$project_selection->save($task);
$output->status = TRUE;
$output->message = $this->lang->line('admin_task_sets_project_selection_success');
} else {
$output->message = $this->lang->line('admin_task_sets_project_selection_no_room');
}
} else {
$output->message = $this->lang->line('admin_task_sets_project_selection_already_selected');
}
} else {
if ($currently_selected < $maximum_selections) {
$project_selection->save(array('student' => $student, 'task_set' => $task_set, 'task' => $task));
$output->status = TRUE;
$output->message = $this->lang->line('admin_task_sets_project_selection_success');
} else {
$output->message = $this->lang->line('admin_task_sets_project_selection_no_room');
}
}
} else {
$output->message = $this->lang->line('admin_task_sets_project_selection_already_submited_solutions');
}
} else {
$output->message = $this->lang->line('admin_task_sets_project_selection_cant_find_data');
}
if ($output->status) {
$this->db->trans_commit();
$this->_action_success();
} else {
$this->db->trans_rollback();
}
$this->output->set_content_type('application/json');
$this->output->set_output(json_encode($output));
}
