private function get_task_sets(&$course, &$group, &$student)
{
$student = new Student();
$student->get_by_id($this->usermanager->get_student_id());
$course = new Course();
$course->where_related('active_for_student', 'id', $student->id);
$course->where_related('participant', 'student_id', $student->id);
$course->where_related('participant', 'allowed', 1);
$course->include_related('period', 'name');
$course->get();
$task_set = new Task_set();
$task_set2 = new Task_set();
$group = new Group();
if ($course->exists()) {
$group->where_related_participant('student_id', $student->id);
$group->where_related_participant('course_id', $course->id);
$group->get();
$task_set->select('`task_sets`.*, `rooms`.`time_day` AS `pb_time_day`, `rooms`.`time_begin` AS `pb_time_begin`, `rooms`.`id` AS `pb_room_id`, `task_sets`.`publish_start_time` AS `pb_publish_start_time`, `task_sets`.`upload_end_time` AS `pb_upload_end_time`');
$task_set->where('published', 1);
$task_set->where_related_course($course);
$task_set->include_related('solution');
$task_set->add_join_condition('`solutions`.`student_id` = ?', array($student->id));
$task_set->include_related('solution/teacher', 'fullname');
$task_set->where_subquery(0, '(SELECT COUNT(`tsp`.`id`) AS `count` FROM `task_set_permissions` tsp WHERE `tsp`.`task_set_id` = `task_sets`.`id` AND `tsp`.`enabled` = 1)');
$task_set->group_start();
$task_set->or_where('group_id', NULL);
$task_set->or_where('group_id', $group->id);
$task_set->group_end();
$task_set->include_related('room', '*', TRUE, TRUE);
$task_set->include_related_count('task', 'total_tasks');
$task_set->include_related('task_set_type');
$task_set->select_subquery('(SELECT SUM(`points_total`) AS `points` FROM `task_task_set_rel` WHERE `task_set_id` = `${parent}`.`id` AND `task_task_set_rel`.`bonus_task` = 0)', 'total_points');
$task_set->select_subquery('(SELECT `upload_solution` FROM `course_task_set_type_rel` WHERE `course_task_set_type_rel`.`course_id` = `${parent}`.`course_id` AND `course_task_set_type_rel`.`task_set_type_id` = `${parent}`.`task_set_type_id`)', 'join_upload_solution');
$task_set->where('content_type', 'task_set');
$task_set2->select('`task_sets`.*, `task_set_permission_rooms`.`time_day` AS `pb_time_day`, `task_set_permission_rooms`.`time_begin` AS `pb_time_begin`, `task_set_permission_rooms`.`id` AS `pb_room_id`, `task_set_permissions`.`publish_start_time` AS `pb_publish_start_time`, `task_set_permissions`.`upload_end_time` AS `pb_upload_end_time`');
$task_set2->where('published', 1);
$task_set2->where_related_course($course);
$task_set2->where_related('task_set_permission', 'group_id', $group->id);
$task_set2->where_related('task_set_permission', 'enabled', 1);
$task_set2->include_related('solution');
$task_set2->add_join_condition('`solutions`.`student_id` = ?', array($student->id));
$task_set2->include_related('solution/teacher', 'fullname');
$task_set2->include_related('task_set_permission/room', '*', 'room', TRUE);
$task_set2->include_related_count('task', 'total_tasks');
$task_set2->include_related('task_set_type');
$task_set2->select_subquery('(SELECT SUM(`points_total`) AS `points` FROM `task_task_set_rel` WHERE `task_set_id` = `${parent}`.`id` AND `task_task_set_rel`.`bonus_task` = 0)', 'total_points');
$task_set2->select_subquery('(SELECT `upload_solution` FROM `course_task_set_type_rel` WHERE `course_task_set_type_rel`.`course_id` = `${parent}`.`course_id` AND `course_task_set_type_rel`.`task_set_type_id` = `${parent}`.`task_set_type_id`)', 'join_upload_solution');
$task_set2->where('content_type', 'task_set');
$task_set3 = new Task_set();
$task_set3->select('`task_sets`.*, NULL AS `pb_time_day`, NULL AS `pb_time_begin`, NULL AS `pb_room_id`, NULL AS `pb_publish_start_time`, "0000-00-00 00:00:00" AS `pb_upload_end_time`', FALSE);
$task_set3->where('published', 1);
$task_set3->where_related_course($course);
$task_set3->include_related('solution');
$task_set3->add_join_condition('`solutions`.`student_id` = ?', array($student->id));
$task_set3->include_related('solution/teacher', 'fullname');
$task_set3->where_related('solution', 'student_id', $student->id);
$task_set3->include_related('room', '*', TRUE, TRUE);
$task_set3->include_related_count('task', 'total_tasks');
$task_set3->include_related('task_set_type');
$task_set3->select_subquery('(SELECT SUM(`points_total`) AS `points` FROM `task_task_set_rel` WHERE `task_set_id` = `${parent}`.`id` AND `task_task_set_rel`.`bonus_task` = 0)', 'total_points');
$task_set3->select_subquery('(SELECT `upload_solution` FROM `course_task_set_type_rel` WHERE `course_task_set_type_rel`.`course_id` = `${parent}`.`course_id` AND `course_task_set_type_rel`.`task_set_type_id` = `${parent}`.`task_set_type_id`)', 'join_upload_solution');
$task_set3->where('content_type', 'task_set');
$sorting = $task_set2->union_order_by_overlay('task_set_type_name', 'task_set_types', 'name', 'task_set_type_id', 'asc');
$sorting .= ', `pb_publish_start_time` ASC, `pb_upload_end_time` ASC';
$sorting .= ', ' . $task_set2->union_order_by_constant('name', 'asc');
$task_set2->union(array($task_set, $task_set3), FALSE, $sorting, NULL, NULL, 'id');
}
return $task_set2;
}
