public function mail_to_course($course_id)
{
$course = new Course();
$course->include_related('period', 'name');
$course->get_by_id((int) $course_id);
if ($course->exists()) {
$groups = new Group();
$groups->where_related_course('id', $course->id);
$groups->order_by_with_constant('name', 'asc');
$groups->get_iterated();
$groups_students = array();
foreach ($groups as $group) {
$groups_students[$group->id] = array('name' => $group->name, 'students' => array());
}
$groups_students[0] = array('name' => 'lang:admin_courses_mail_to_course_group_name_unassigned_students', 'students' => array());
$participants = new Participant();
$participants->where('allowed', 1);
$participants->include_related('student');
$participants->where_related_course('id', $course->id);
$participants->order_by_related_as_fullname('student', 'fullname', 'asc');
$participants->get_iterated();
foreach ($participants as $participant) {
$groups_students[(int) $participant->group_id]['students'][(int) $participant->student_id] = array('fullname' => $participant->student_fullname, 'email' => $participant->student_email);
}
$this->parser->assign('groups_students', $groups_students);
}
$this->_add_tinymce4();
$this->parser->add_js_file('admin_courses/mail_form.js');
$this->parser->add_css_file('admin_courses.css');
$this->parser->parse('backend/courses/mail_to_course.tpl', array('course' => $course));
}
private function remove_points_iteration($task_set, $points_to_remove, $task_set_id, $task_set_course_id, $task_set_group_id, &$error_code = 0, &$students = NULL)
{
$this->_transaction_isolation();
$this->db->trans_begin();
if (!is_null($task_set->upload_end_time)) {
$timestamp_end = strtotime($task_set->upload_end_time);
if (time() > $timestamp_end) {
$participants = new Participant();
$participants->select('*');
$participants->select_subquery('(SELECT `solutions`.`id` FROM `solutions` WHERE `solutions`.`task_set_id` = ' . $task_set_id . ' AND `solutions`.`student_id` = `${parent}`.`student_id`)', 'solution_id');
$participants->where_related_course('id', $task_set_course_id);
if ($task_set->group->exists() && !is_null($task_set_group_id)) {
$participants->where_related_group('id', $task_set_group_id);
}
$participants->where('allowed', 1);
$participants->get_iterated();
$notify_students = array(0);
foreach ($participants as $participant) {
if (is_null($participant->solution_id) && !is_null($participant->student_id)) {
$solution = new Solution();
$solution->task_set_id = $task_set_id;
$solution->student_id = $participant->student_id;
$solution->teacher_id = $this->usermanager->get_teacher_id();
$solution->points = -$points_to_remove;
$solution->revalidate = 0;
if ($solution->save()) {
$notify_students[] = $participant->student_id;
}
}
}
if ($this->db->trans_status()) {
$this->db->trans_commit();
$students = new Student();
$students->where_in('id', $notify_students);
$students->get();
//$result->mail_sent = $this->_send_multiple_emails($students, 'lang:admin_solutions_remove_points_notification_subject', 'file:emails/backend/solutions/remove_points_notify.tpl', array('task_set' => $task_set, 'points_to_remove' => $points_to_remove));
return TRUE;
} else {
$this->db->trans_rollback();
//$result->message = $this->lang->line('admin_solutions_remove_points_error_unknown');
$error_code = 1;
return FALSE;
}
} else {
$this->db->trans_rollback();
//$result->message = $this->lang->line('admin_solutions_remove_points_error_task_set_upload_limit_not_reached');
$error_code = 2;
return FALSE;
}
} else {
$this->db->trans_rollback();
//$result->message = $this->lang->line('admin_solutions_remove_points_error_task_set_upload_not_limited');
$error_code = 3;
return FALSE;
}
}
public function signup_to_course($course_id)
{
$this->output->set_content_type('application/json');
$output = new stdClass();
$output->status = FALSE;
$output->message = '';
$output->content = '';
$this->_transaction_isolation();
$this->db->trans_begin();
$student = new Student();
$student->get_by_id($this->usermanager->get_student_id());
$course = new Course();
$course->where('hide_in_lists', 0);
$course->get_by_id($course_id);
if ($course->exists()) {
if ($course->is_subscription_allowed()) {
if ($student->participant->where_related($course)->count() == 0) {
if ($course->auto_accept_students == 1) {
$participants = new Participant();
$participants->where_related_course($course);
$participants->where('allowed', 1);
$participants_count = $participants->count();
if ($participants_count >= (int) $course->capacity) {
$output->message = $this->lang->line('courses_message_course_is_full');
$output->status = FALSE;
$this->db->trans_rollback();
} else {
$participant = new Participant();
$participant->allowed = 1;
$participant->save(array($student, $course));
$this->db->trans_commit();
$output->message = sprintf($this->lang->line('courses_message_signed_up_for_course_approved'), $this->lang->text($course->name));
$this->parser->assign('course', $course);
$output->content = $this->parser->parse('frontend/courses/single_course.tpl', array(), TRUE);
$output->status = TRUE;
$this->_action_success();
}
} else {
$participant = new Participant();
$participant->allowed = 0;
$participant->save(array($student, $course));
$this->db->trans_commit();
$output->message = sprintf($this->lang->line('courses_message_signed_up_for_course'), $this->lang->text($course->name));
$this->parser->assign('course', $course);
$output->content = $this->parser->parse('frontend/courses/single_course.tpl', array(), TRUE);
$output->status = TRUE;
$this->_action_success();
}
} else {
$output->message = $this->lang->line('courses_message_already_in_course_or_waiting_for_approwal');
$this->db->trans_rollback();
}
} else {
$output->message = $this->lang->line('courses_message_subscription_disallowed');
$this->db->trans_rollback();
}
} else {
$output->message = $this->lang->line('courses_message_course_not_found');
$this->db->trans_rollback();
}
$this->output->set_output(json_encode($output));
}
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));
}