Exemple #1
0
 public function delete_task_set_type()
 {
     $this->output->set_content_type('application/json');
     $this->load->library('form_validation');
     $this->form_validation->set_rules('task_set_type_id', 'task_set_type_id', 'required');
     $this->form_validation->set_rules('course_id', 'course_id', 'required');
     if ($this->form_validation->run()) {
         $course_id = intval($this->input->post('course_id'));
         $task_set_type_id = intval($this->input->post('task_set_type_id'));
         $course = new Course();
         $course->get_by_id($course_id);
         $task_set_type = new Task_set_type();
         $task_set_type->get_by_id($task_set_type_id);
         if ($course->exists() && $task_set_type->exists()) {
             $this->_transaction_isolation();
             $this->db->trans_begin();
             $course->delete($task_set_type);
             $task_sets = new Task_set();
             $task_sets->where_related_course('id', $course_id)->where_related_task_set_type('id', $task_set_type_id)->get_iterated();
             foreach ($task_sets as $task_set) {
                 $task_set->delete($task_set_type);
             }
             if ($this->db->trans_status()) {
                 $this->db->trans_commit();
                 $this->output->set_output(json_encode(TRUE));
                 return;
             } else {
                 $this->db->trans_rollback();
             }
         }
     }
     $this->output->set_output(json_encode(FALSE));
 }
Exemple #2
0
 private function get_valuation_table_data($course_id, $group_id = NULL, $condensed = FALSE)
 {
     $table_data = array('header' => array(), 'content' => array());
     $course = new Course();
     $course->get_by_id(intval($course_id));
     $group = new Group();
     $group->get_by_id((int) $group_id);
     if ($course->exists()) {
         $students = new Student();
         $students->select('id, fullname, email');
         $students->include_related('participant/group', array('id', 'name'));
         $students->where_related('participant/course', 'id', $course->id);
         $students->where_related('participant', 'allowed', 1);
         $students->order_by_as_fullname('fullname');
         if ($group->exists()) {
             $students->where_related('participant/group', 'id', (int) $group_id);
         }
         $students->get_iterated();
         $task_sets_out_of_group_ids = array(0);
         $task_sets_data = array();
         $task_sets_ids = array();
         $projects_ids = array();
         if ($group->exists()) {
             $students_filter = new Student();
             $students_filter->select('id');
             $students_filter->where_related('participant/course', 'id', $course->id);
             $students_filter->where_related('participant', 'allowed', 1);
             $students_filter->where_related('participant/group', 'id', (int) $group->id);
             $solutions_filter = new Solution();
             $solutions_filter->select('id');
             $solutions_filter->where_in_subquery('student_id', $students_filter);
             $task_sets_out_of_group = new Task_set();
             $task_sets_out_of_group->select('id');
             $task_sets_out_of_group->where_in_subquery('id', $solutions_filter);
             $task_sets_out_of_group->where('published', 1);
             $task_sets_out_of_group->get();
             $task_sets_out_of_group_ids = $task_sets_out_of_group->all_to_single_array('id');
             $task_sets_out_of_group_ids[] = 0;
         }
         $content_type_task_set = new Task_set();
         $content_type_task_set->select('id, name, content_type, group_id, task_set_type_id');
         $content_type_task_set->include_related('task_set_type', 'name');
         $content_type_task_set->include_related('group', 'name');
         $content_type_task_set->where('content_type', 'task_set');
         $content_type_task_set->where('published', 1);
         $content_type_task_set->where_related_course($course);
         $content_type_task_set->order_by_related_with_constant('task_set_type', 'name', 'asc');
         $content_type_task_set->order_by('task_set_type_id', 'asc');
         $content_type_task_set->order_by('publish_start_time', 'asc');
         if ($group->exists()) {
             $content_type_task_set->group_start();
             $content_type_task_set->group_start('', 'OR ');
             $content_type_task_set->group_start();
             $content_type_task_set->or_where('group_id', NULL);
             $content_type_task_set->or_where('group_id', (int) $group_id);
             $content_type_task_set->group_end();
             $content_type_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)');
             $content_type_task_set->group_end();
             $content_type_task_set->group_start('', 'OR ');
             $content_type_task_set->where_related('task_set_permission', 'group_id', (int) $group_id);
             $content_type_task_set->where_related('task_set_permission', 'enabled', 1);
             $content_type_task_set->group_end();
             $content_type_task_set->or_where_in('id', $task_sets_out_of_group_ids);
             $content_type_task_set->group_end();
         }
         $content_type_task_set->get();
         $header_items = array();
         if ($content_type_task_set->result_count() > 0) {
             $last_task_set_type_id = NULL;
             foreach ($content_type_task_set->all as $task_set) {
                 $permissions = new Task_set_permission();
                 $permissions->select('id, group_id');
                 $permissions->include_related('group', 'name');
                 $permissions->where_related_task_set($task_set);
                 $permissions->where('enabled', 1);
                 $permissions->get_iterated();
                 if ($permissions->result_count() > 0) {
                     $group_ids = array();
                     $group_names = array();
                     foreach ($permissions as $permission) {
                         $group_ids[] = $permission->group_id;
                         $group_names[] = $this->lang->text($permission->group_name);
                     }
                     $task_sets_data[$task_set->id] = array('group_id' => $group_ids, 'group_name' => $group_names);
                 } else {
                     $task_sets_data[$task_set->id] = array('group_id' => array($task_set->group_id), 'group_name' => $this->lang->text($task_set->group_name));
                 }
                 if ($task_set->task_set_type_id !== $last_task_set_type_id) {
                     $last_task_set_type_id = $task_set->task_set_type_id;
                     $header_items[] = array('type' => 'task_set_type', 'id' => $task_set->task_set_type_id, 'name' => $this->lang->text($task_set->task_set_type_name), 'title' => '');
                 }
                 if (!$condensed) {
                     $header_items[] = array('type' => 'task_set', 'id' => $task_set->id, 'name' => $this->lang->get_overlay_with_default('task_sets', $task_set->id, 'name', $task_set->name), 'title' => is_array($task_sets_data[$task_set->id]['group_name']) ? implode(', ', $task_sets_data[$task_set->id]['group_name']) : $task_sets_data[$task_set->id]['group_name']);
                 }
                 $task_sets_ids[] = $task_set->id;
             }
         }
         $table_data['header']['content_type_task_set'] = array('content_type_name' => $this->lang->line('admin_solutions_valuation_tables_header_content_type_task_sets'), 'items' => $header_items);
         $content_type_project = new Task_set();
         $content_type_project->where('content_type', 'project');
         $content_type_project->where('published', 1);
         $content_type_project->where_related_course($course);
         $content_type_project->order_by_related_with_constant('task_set_type', 'name', 'asc');
         $content_type_project->order_by('publish_start_time', 'asc');
         $content_type_project->get();
         $header_items = array();
         if ($content_type_project->result_count() > 0) {
             foreach ($content_type_project->all as $project) {
                 if (!$condensed) {
                     $header_items[] = array('type' => 'task_set', 'id' => $project->id, 'name' => $this->lang->get_overlay_with_default('task_sets', $project->id, 'name', $project->name), 'title' => '');
                 }
                 $projects_ids[] = $project->id;
             }
         }
         $table_data['header']['content_type_project'] = array('content_type_name' => $this->lang->line('admin_solutions_valuation_tables_header_content_type_project'), 'items' => $header_items);
         foreach ($students as $student) {
             $student_line = array('fullname' => $student->fullname, 'email' => $student->email, 'id' => $student->id, 'total_points' => 0, 'task_sets_points' => array(), 'task_sets_points_total' => 0, 'projects_points' => array(), 'projects_points_total' => 0);
             $solutions_data = array();
             if ($content_type_task_set->result_count() > 0 || $content_type_project->result_count() > 0) {
                 $solutions = new Solution();
                 $solutions->select('task_set_id, points, tests_points, not_considered, revalidate');
                 $solutions->where_related_student($student);
                 $solutions->group_start();
                 if (count($task_sets_ids) > 0) {
                     $solutions->or_where_in('task_set_id', $task_sets_ids);
                 }
                 if (count($projects_ids) > 0) {
                     $solutions->or_where_in('task_set_id', $projects_ids);
                 }
                 $solutions->group_end();
                 $solutions->get_iterated();
                 foreach ($solutions as $solution) {
                     $solutions_data[$solution->task_set_id] = array('points' => is_null($solution->points) && is_null($solution->tests_points) ? NULL : $solution->points + $solution->tests_points, 'not_considered' => $solution->not_considered, 'revalidate' => $solution->revalidate);
                 }
             }
             $task_sets_points_array = array();
             if ($content_type_task_set->result_count() > 0) {
                 $task_sets_points = 0;
                 $last_task_set_type_id = NULL;
                 $last_task_set_type_key = NULL;
                 foreach ($content_type_task_set->all as $task_set) {
                     if ($last_task_set_type_id !== $task_set->task_set_type_id) {
                         $last_task_set_type_id = $task_set->task_set_type_id;
                         $task_sets_points_array[] = array('type' => 'task_set_type', 'points' => 0, 'flag' => 'ok');
                         $last_task_set_type_key = count($task_sets_points_array) - 1;
                     }
                     $points = 0;
                     if (isset($solutions_data[$task_set->id])) {
                         if ($solutions_data[$task_set->id]['not_considered']) {
                             if (!$condensed) {
                                 $task_sets_points_array[] = array('type' => 'task_set', 'points' => '*', 'flag' => 'notConsidered');
                             }
                         } else {
                             if (is_null($solutions_data[$task_set->id]['points'])) {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => '!', 'flag' => 'revalidate');
                                 }
                             } elseif ($solutions_data[$task_set->id]['revalidate']) {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => $solutions_data[$task_set->id]['points'], 'flag' => 'revalidate');
                                 }
                                 $points = floatval($solutions_data[$task_set->id]['points']);
                             } else {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => $solutions_data[$task_set->id]['points'], 'flag' => 'ok');
                                 }
                                 $points = floatval($solutions_data[$task_set->id]['points']);
                             }
                         }
                     } else {
                         if (!$condensed) {
                             if (!is_null($task_sets_data[$task_set->id]['group_id'][0]) && !in_array($student->participant_group_id, $task_sets_data[$task_set->id]['group_id'])) {
                                 $task_sets_points_array[] = array('type' => 'task_set', 'points' => '-', 'flag' => 'notInGroup');
                             } else {
                                 $task_sets_points_array[] = array('type' => 'task_set', 'points' => 'x', 'flag' => 'notSubmitted');
                             }
                         }
                     }
                     $task_sets_points += $points;
                     $task_sets_points_array[$last_task_set_type_key]['points'] += $points;
                     $student_line['total_points'] += $points;
                     $student_line['task_sets_points_total'] = $task_sets_points;
                 }
             }
             $student_line['task_sets_points'] = $task_sets_points_array;
             $task_sets_points_array = array();
             if ($content_type_project->result_count() > 0) {
                 $task_sets_points = 0;
                 foreach ($content_type_project as $task_set) {
                     $points = 0;
                     if (isset($solutions_data[$task_set->id])) {
                         if ($solutions_data[$task_set->id]['not_considered']) {
                             if (!$condensed) {
                                 $task_sets_points_array[] = array('type' => 'task_set', 'points' => '*', 'flag' => 'notConsidered');
                             }
                         } else {
                             if (is_null($solutions_data[$task_set->id]['points'])) {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => '!', 'flag' => 'revalidate');
                                 }
                             } elseif ($solutions_data[$task_set->id]['revalidate']) {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => $solutions_data[$task_set->id]['points'], 'flag' => 'revalidate');
                                 }
                                 $points = floatval($solutions_data[$task_set->id]['points']);
                             } else {
                                 if (!$condensed) {
                                     $task_sets_points_array[] = array('type' => 'task_set', 'points' => $solutions_data[$task_set->id]['points'], 'flag' => 'ok');
                                 }
                                 $points = floatval($solutions_data[$task_set->id]['points']);
                             }
                         }
                     } else {
                         if (!$condensed) {
                             $task_sets_points_array[] = array('type' => 'task_set', 'points' => 'x', 'flag' => 'notSubmitted');
                         }
                     }
                     $task_sets_points += $points;
                     $student_line['total_points'] += $points;
                     $student_line['projects_points_total'] = $task_sets_points;
                 }
             }
             $student_line['projects_points'] = $task_sets_points_array;
             $table_data['content'][] = $student_line;
         }
     }
     return $table_data;
 }
Exemple #3
0
 private function get_task_set_by_id(&$course, &$group, &$student, $task_set_id)
 {
     $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->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->where('id', $task_set_id);
         $task_set->include_related('course', 'test_scoring_deadline');
         $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('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->where('id', $task_set_id);
         $task_set2->include_related('course', 'test_scoring_deadline');
         $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->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->where('id', $task_set_id);
         $task_set3->include_related('course', 'test_scoring_deadline');
         $task_set3->where('content_type', 'task_set');
         $task_set2->union(array($task_set, $task_set3), FALSE, '', 1, 0, 'id');
     }
     return $task_set2;
 }
Exemple #4
0
 public function get_all_task_sets()
 {
     $fields_config = array(array('name' => 'created', 'caption' => 'lang:common_table_header_created'), array('name' => 'updated', 'caption' => 'lang:common_table_header_updated'), array('name' => 'name', 'caption' => 'lang:admin_task_sets_table_header_name'), array('name' => 'content_type', 'caption' => 'lang:admin_task_sets_table_header_content_type'), array('name' => 'course', 'caption' => 'lang:admin_task_sets_table_header_course'), array('name' => 'group', 'caption' => 'lang:admin_task_sets_table_header_group'), array('name' => 'task_set_type', 'caption' => 'lang:admin_task_sets_table_header_task_set_type'), array('name' => 'tasks', 'caption' => 'lang:admin_task_sets_table_header_tasks'), array('name' => 'published', 'caption' => 'lang:admin_task_sets_table_header_published'), array('name' => 'publish_start_time', 'caption' => 'lang:admin_task_sets_table_header_publish_start_time'), array('name' => 'upload_end_time', 'caption' => 'lang:admin_task_sets_table_header_upload_end_time'), array('name' => 'project_selection_deadline', 'caption' => 'lang:admin_task_sets_table_header_project_selection_deadline'));
     $filter = $this->input->post('filter');
     $this->store_filter($filter);
     $this->inject_stored_filter();
     $task_sets = new Task_set();
     $task_sets->include_related_count('task_set_permission');
     $task_sets->add_join_condition('`task_set_permissions`.`enabled` = 1');
     $task_sets->include_related('course', 'name', TRUE);
     $task_sets->include_related('course/period', 'name', TRUE);
     $task_sets->include_related('group', 'name', TRUE);
     $task_sets->include_related('task_set_type', 'name', TRUE);
     $task_sets->include_related_count('task');
     $task_sets->include_related_count('comment');
     if (isset($filter['course']) && intval($filter['course']) > 0) {
         $task_sets->where_related_course('id', intval($filter['course']));
         if (isset($filter['group']) && $filter['group'] == 'none') {
             $task_sets->where_related_group('id', NULL);
             $task_sets->where_subquery(0, '(SELECT COUNT(`tsp`.`id`) AS `count` FROM `task_set_permissions` tsp WHERE `tsp`.`task_set_id` = `task_sets`.`id` AND `tsp`.`enabled` = 1)');
         } else {
             if (isset($filter['group']) && intval($filter['group']) > 0) {
                 $task_sets->group_start();
                 $task_sets->or_group_start();
                 $task_sets->where_related_group('id', intval($filter['group']));
                 $task_sets->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_sets->group_end();
                 $task_sets->or_group_start();
                 $task_sets->where_related('task_set_permission/group', 'id', intval($filter['group']));
                 $task_sets->where_related('task_set_permission', 'enabled', 1);
                 $task_sets->group_end();
                 $task_sets->group_end();
             }
         }
     }
     if (isset($filter['task_set_type']) && intval($filter['task_set_type']) > 0) {
         $task_sets->where_related_task_set_type('id', intval($filter['task_set_type']));
     }
     if (isset($filter['tasks']) && is_numeric($filter['tasks']) && intval($filter['tasks']) == 0) {
         $task_sets->where_has_no_tasks();
     } else {
         if (isset($filter['tasks']) && is_numeric($filter['tasks']) && intval($filter['tasks']) == 1) {
             $task_sets->where_has_tasks();
         }
     }
     if (isset($filter['name']) && trim($filter['name']) != '') {
         $name_value = trim($filter['name']);
         $task_sets->like_with_overlay('name', $name_value);
     }
     $order_by_direction = $filter['order_by_direction'] == 'desc' ? 'desc' : 'asc';
     if ($filter['order_by_field'] == 'created') {
         $task_sets->order_by('created', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'updated') {
         $task_sets->order_by('updated', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'name') {
         $task_sets->order_by_with_overlay('name', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'course') {
         $task_sets->order_by_related('course/period', 'sorting', $order_by_direction);
         $task_sets->order_by_related_with_constant('course', 'name', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'group') {
         $task_sets->order_by_related_with_constant('group', 'name', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'task_set_type') {
         $task_sets->order_by_related_with_constant('task_set_type', 'name', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'tasks') {
         $task_sets->order_by('task_count', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'published') {
         $task_sets->order_by('published', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'upload_end_time') {
         $task_sets->order_by('upload_end_time', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'publish_start_time') {
         $task_sets->order_by('publish_start_time', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'project_selection_deadline') {
         $task_sets->order_by('project_selection_deadline', $order_by_direction);
     } elseif ($filter['order_by_field'] == 'content_type') {
         $task_sets->order_by('content_type', $order_by_direction);
     }
     $task_sets->get_paged_iterated(isset($filter['page']) ? intval($filter['page']) : 1, isset($filter['rows_per_page']) ? intval($filter['rows_per_page']) : 25);
     $this->lang->init_overlays('task_sets', $task_sets->all_to_array(), array('name'));
     $opened_task_set = new Task_set();
     $opened_task_set->get_as_open();
     $this->parser->parse('backend/task_sets/table_content.tpl', array('task_sets' => $task_sets, 'opened_task_set' => $opened_task_set, 'fields_config' => $fields_config));
 }
Exemple #5
0
 private function get_task_set($task_set_id, &$course, &$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();
     $task_set = new Task_set();
     if ($course->exists()) {
         $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->include_related_count('task', 'total_tasks');
         $task_set->where('content_type', 'project');
         $task_set->include_related('project_selection');
         $task_set->add_join_condition('`project_selections`.`student_id` = ? AND `project_selections`.`task_set_id` = `task_sets`.`id`', array($student->id));
         $task_set->include_related('project_selection/task');
         $task_set->order_by('publish_start_time', 'asc');
         $task_set->order_by('upload_end_time', 'asc');
         $task_set->order_by_with_overlay('name', 'asc');
         $task_set->get_by_id((int) $task_set_id);
     }
     return $task_set;
 }