Beispiel #1
0
     break;
 case 'get_extra_fields':
     $type = $_REQUEST['type'];
     $obj = new ExtraField($type);
     $count = $obj->get_count();
     break;
 case 'get_extra_field_options':
     $type = $_REQUEST['type'];
     $field_id = $_REQUEST['field_id'];
     $obj = new ExtraFieldOption($type);
     $count = $obj->get_count_by_field_id($field_id);
     break;
 case 'get_timelines':
     require_once $libpath . 'timeline.lib.php';
     $obj = new Timeline();
     $count = $obj->get_count();
     break;
 case 'get_gradebooks':
     require_once $libpath . 'gradebook.lib.php';
     $obj = new Gradebook();
     $count = $obj->get_count();
     break;
 case 'get_event_email_template':
     $obj = new EventEmailTemplate();
     $count = $obj->get_count();
     break;
 case 'get_careers':
     $obj = new Career();
     $count = $obj->get_count();
     break;
 case 'get_promotions':
 /**
  * @param Application $app
  * @return string
  */
 public function indexAction(Application $app)
 {
     $request = $app['request'];
     $language_file = array('admin', 'exercice', 'gradebook', 'tracking');
     // 1. Setting variables needed by jqgrid
     $action = $request->get('a');
     $page = $request->get('page');
     //page
     $limit = $request->get('rows');
     //quantity of rows
     $sidx = $request->get('sidx');
     //index (field) to filter
     $sord = $request->get('sord');
     //asc or desc
     if (strpos(strtolower($sidx), 'asc') !== false) {
         $sidx = str_replace(array('asc', ','), '', $sidx);
         $sord = 'asc';
     }
     if (strpos(strtolower($sidx), 'desc') !== false) {
         $sidx = str_replace(array('desc', ','), '', $sidx);
         $sord = 'desc';
     }
     if (!in_array($sord, array('asc', 'desc'))) {
         $sord = 'desc';
     }
     if (!in_array($action, array('get_exercise_results', 'get_hotpotatoes_exercise_results', 'get_work_user_list', 'get_timelines', 'get_user_skill_ranking', 'get_usergroups_teacher', 'get_question_list', 'get_user_list_plugin_widescale'))) {
         api_protect_admin_script(true);
     }
     if ($action == 'get_user_list_plugin_widescale') {
         $allowed = api_is_drh() || api_is_platform_admin();
         if (!$allowed) {
             api_not_allowed();
         }
     }
     // Search features.
     // If there is no search request sent by jqgrid, $where should be empty.
     $where_condition = "";
     $operation = $request->get('oper');
     $export_format = $request->get('export_format');
     $search_field = $request->get('searchField');
     $search_oper = $request->get('searchOper');
     $search_string = $request->get('searchString');
     $isSearch = $request->get('_search');
     $filters = $request->get('filters');
     $type = $request->get('type');
     $extra_fields = array();
     $questionFields = array();
     if ($isSearch == 'true') {
         $where_condition = ' 1 = 1 ';
         $where_condition_in_form = $this->getWhereClause($search_field, $search_oper, $search_string);
         if (!empty($where_condition_in_form)) {
             $where_condition .= ' AND ' . $where_condition_in_form;
         }
         $filters = isset($filters) ? json_decode($filters) : false;
         // for now
         if (!empty($filters)) {
             switch ($action) {
                 case 'get_questions':
                     $extraFieldtype = 'question';
                     break;
                 case 'get_sessions':
                     $extraFieldtype = 'session';
                     break;
             }
             // Extra field.
             $extraField = new \ExtraField($extraFieldtype);
             $result = $extraField->getExtraFieldRules($filters, 'extra_');
             $extra_fields = $result['extra_fields'];
             $condition_array = $result['condition_array'];
             if (!empty($condition_array)) {
                 $where_condition .= ' AND ( ';
                 $where_condition .= implode($filters->groupOp, $condition_array);
                 $where_condition .= ' ) ';
             }
             // Question field.
             $resultQuestion = $extraField->getExtraFieldRules($filters, 'question_');
             $questionFields = $resultQuestion['extra_fields'];
             $condition_array = $resultQuestion['condition_array'];
             if (!empty($condition_array)) {
                 $where_condition .= ' AND ( ';
                 $where_condition .= implode($filters->groupOp, $condition_array);
                 $where_condition .= ' ) ';
             }
         }
     }
     // get index row - i.e. user click to sort $sord = $_GET['sord'];
     // get the direction
     if (!$sidx) {
         $sidx = 1;
     }
     //2. Selecting the count FIRST
     //@todo rework this
     switch ($action) {
         case 'get_questions':
             $categoryId = $request->get('categoryId');
             $exerciseId = $request->get('exerciseId');
             //$courseId = null; //$request->get('courseId');
             $courseId = $request->get('courseId');
             // Question manager can view all questions
             if (api_is_question_manager()) {
                 $courseId = null;
             }
             $count = \Question::getQuestions($app, $categoryId, $exerciseId, $courseId, array('where' => $where_condition, 'extra' => $extra_fields, 'question' => $questionFields), true);
             break;
         case 'get_user_list_plugin_widescale':
             $count = \UserManager::get_user_data(null, null, null, null, true);
             break;
         case 'get_question_list':
             require_once api_get_path(SYS_CODE_PATH) . 'exercice/exercise.class.php';
             $exerciseId = $request->get('exerciseId');
             $exercise = new \Exercise(api_get_course_int_id());
             $exercise->read($exerciseId);
             $count = $exercise->selectNbrQuestions();
             break;
         case 'get_group_reporting':
             $course_id = $request->get('course_id');
             $group_id = $request->get('gidReq');
             $count = \Tracking::get_group_reporting($course_id, $group_id, 'count');
             break;
         case 'get_user_course_report_resumed':
             $count = \CourseManager::get_count_user_list_from_course_code(true, 'ruc');
             break;
         case 'get_user_course_report':
             $count = \CourseManager::get_count_user_list_from_course_code(false);
             break;
         case 'get_course_exercise_medias':
             $course_id = api_get_course_int_id();
             $count = \Question::get_count_course_medias($course_id);
             break;
         case 'get_user_skill_ranking':
             $skill = new \Skill();
             $count = $skill->get_user_list_skill_ranking_count();
             break;
         case 'get_work_user_list':
             require_once api_get_path(SYS_CODE_PATH) . 'work/work.lib.php';
             $work_id = $request->get('work_id');
             //$_REQUEST['work_id'];
             $count = get_count_work($work_id);
             break;
         case 'get_exercise_results':
             $exercise_id = $request->get('exerciseId');
             //$_REQUEST['exerciseId'];
             $filter_by_user = $request->get('filter_by_user');
             if (isset($filter_by_user) && !empty($filter_by_user)) {
                 $filter_user = intval($filter_by_user);
                 if ($where_condition == "") {
                     $where_condition .= " te.exe_user_id  = '{$filter_user}'";
                 } else {
                     $where_condition .= " AND te.exe_user_id  = '{$filter_user}'";
                 }
             }
             $count = \ExerciseLib::get_count_exam_results($exercise_id, $where_condition);
             break;
         case 'get_hotpotatoes_exercise_results':
             $hotpot_path = $request->get('path');
             //$_REQUEST['path'];
             $count = \ExerciseLib::get_count_exam_hotpotatoes_results($hotpot_path);
             break;
         case 'get_sessions':
             $list_type = $request->get('list_type');
             if ($list_type == 'simple' || empty($list_type)) {
                 $count = \SessionManager::get_sessions_admin(array('where' => $where_condition, 'extra' => $extra_fields), true);
             } else {
                 $count = \SessionManager::get_count_admin_complete(array('where' => $where_condition, 'extra' => $extra_fields));
             }
             break;
         case 'get_extra_fields':
             $obj = new \ExtraField($type);
             $count = $obj->get_count();
             break;
         case 'get_extra_field_options':
             $field_id = $request->get('field_id');
             $obj = new \ExtraFieldOption($type);
             $count = $obj->get_count_by_field_id($field_id);
             break;
         case 'get_timelines':
             $obj = new \Timeline();
             $count = $obj->get_count();
             break;
         case 'get_gradebooks':
             $obj = new \Gradebook();
             $count = $obj->get_count();
             break;
         case 'get_event_email_template':
             $obj = new \EventEmailTemplate();
             $count = $obj->get_count();
             break;
         case 'get_careers':
             $obj = new \Career();
             $count = $obj->get_count();
             break;
         case 'get_promotions':
             $obj = new \Promotion();
             $count = $obj->get_count();
             break;
         case 'get_grade_models':
             $obj = new \GradeModel();
             $count = $obj->get_count();
             break;
         case 'get_usergroups':
             $obj = new \UserGroup();
             $count = $obj->get_count();
             break;
         case 'get_usergroups_teacher':
             $obj = new \UserGroup();
             $course_id = api_get_course_int_id();
             if ($type == 'registered') {
                 $count = $obj->get_usergroup_by_course_with_data_count($course_id);
             } else {
                 $count = $obj->get_count();
             }
             break;
         default:
             exit;
     }
     //3. Calculating first, end, etc
     $total_pages = 0;
     if ((int) $count > 0) {
         if (!empty($limit)) {
             $total_pages = ceil($count / $limit);
         }
     }
     if ($page > $total_pages) {
         $page = $total_pages;
     }
     $start = $limit * $page - $limit;
     if ($start < 0) {
         $start = 0;
     }
     //4. Deleting an element if the user wants to
     if ($operation == 'del') {
         $obj->delete($request->get('id'));
     }
     $is_allowedToEdit = api_is_allowed_to_edit(null, true) || api_is_allowed_to_edit(true) || api_is_drh();
     //5. Querying the DB for the elements
     $columns = array();
     switch ($action) {
         case 'get_questions':
             $columns = \Question::getQuestionColumns(api_get_course_id(), $extra_fields, $questionFields, true);
             $columns = $columns['simple_column_name'];
             $result = \Question::getQuestions($app, $categoryId, $exerciseId, $courseId, array('where' => $where_condition, 'order' => "{$sidx} {$sord}", 'extra' => $extra_fields, 'question' => $questionFields, 'limit' => "{$start} , {$limit}"));
             //var_dump($result);
             break;
         case 'get_user_list_plugin_widescale':
             $columns = array('username', 'firstname', 'lastname', 'exam_password');
             $column_names = array(get_lang('Username'), get_lang('Firstname'), get_lang('Lastname'), get_lang('Password'));
             $result = \UserManager::get_user_data($start, $limit, $sidx, $sord);
             break;
         case 'get_question_list':
             if (isset($exercise) && !empty($exercise)) {
                 $columns = array('question', 'type', 'category', 'level', 'score', 'actions');
                 $result = $exercise->getQuestionListPagination($start, $limit, $sidx, $sord, $where_condition);
             }
             break;
         case 'get_group_reporting':
             $columns = array('name', 'time', 'progress', 'score', 'works', 'messages', 'actions');
             $result = \Tracking::get_group_reporting($course_id, $group_id, 'all', $start, $limit, $sidx, $sord, $where_condition);
             break;
         case 'get_course_exercise_medias':
             $columns = array('question');
             $result = \Question::get_course_medias($course_id, $start, $limit, $sidx, $sord, $where_condition);
             if (!empty($result)) {
                 foreach ($result as &$media) {
                     $media['id'] = $media['iid'];
                 }
             }
             break;
         case 'get_user_course_report_resumed':
             $columns = array('extra_ruc', 'training_hours', 'count_users', 'count_users_registered', 'average_hours_per_user', 'count_certificates');
             $column_names = array(get_lang('Company'), get_lang('TrainingHoursAccumulated'), get_lang('CountOfSubscriptions'), get_lang('CountOfUsers'), get_lang('AverageHoursPerStudent'), get_lang('CountCertificates'));
             $result = \CourseManager::get_user_list_from_course_code(null, null, "LIMIT {$start}, {$limit}", " {$sidx} {$sord}", null, null, true, true, 'ruc');
             $new_result = array();
             if (!empty($result)) {
                 foreach ($result as $row) {
                     $row['training_hours'] = api_time_to_hms($row['training_hours']);
                     $row['average_hours_per_user'] = api_time_to_hms($row['average_hours_per_user']);
                     $new_result[] = $row;
                 }
                 $result = $new_result;
             }
             break;
         case 'get_user_course_report':
             $columns = array('course', 'user', 'time', 'certificate', 'progress_100', 'progress');
             $column_names = array(get_lang('Course'), get_lang('User'), get_lang('ManHours'), get_lang('CertificateGenerated'), get_lang('Approved'), get_lang('CourseAdvance'));
             $extra_fields = \UserManager::get_extra_fields(0, 100, null, null, true, true);
             if (!empty($extra_fields)) {
                 foreach ($extra_fields as $extra) {
                     $columns[] = $extra['1'];
                     $column_names[] = $extra['3'];
                 }
             }
             $result = \CourseManager::get_user_list_from_course_code(null, null, "LIMIT {$start}, {$limit}", " {$sidx} {$sord}", null, null, true);
             break;
         case 'get_user_skill_ranking':
             $columns = array('photo', 'firstname', 'lastname', 'skills_acquired', 'currently_learning', 'rank');
             $result = $skill->get_user_list_skill_ranking($start, $limit, $sidx, $sord, $where_condition);
             $result = \ArrayClass::msort($result, 'skills_acquired', 'asc');
             $skills_in_course = array();
             if (!empty($result)) {
                 //$counter = 1;
                 foreach ($result as &$item) {
                     $user_info = api_get_user_info($item['user_id']);
                     $personal_course_list = \UserManager::get_personal_session_course_list($item['user_id']);
                     $count_skill_by_course = array();
                     foreach ($personal_course_list as $course_item) {
                         if (!isset($skills_in_course[$course_item['code']])) {
                             $count_skill_by_course[$course_item['code']] = $skill->get_count_skills_by_course($course_item['code']);
                             $skills_in_course[$course_item['code']] = $count_skill_by_course[$course_item['code']];
                         } else {
                             $count_skill_by_course[$course_item['code']] = $skills_in_course[$course_item['code']];
                         }
                     }
                     $item['photo'] = \Display::img($user_info['avatar_small']);
                     $item['currently_learning'] = !empty($count_skill_by_course) ? array_sum($count_skill_by_course) : 0;
                 }
             }
             break;
         case 'get_work_user_list':
             if (isset($type) && $type == 'simple') {
                 $columns = array('type', 'firstname', 'lastname', 'username', 'title', 'qualification', 'sent_date', 'qualificator_id', 'actions');
             } else {
                 $columns = array('type', 'firstname', 'lastname', 'username', 'title', 'sent_date', 'actions');
             }
             $result = get_work_user_list($start, $limit, $sidx, $sord, $work_id, $where_condition);
             break;
         case 'get_exercise_results':
             $course = api_get_course_info();
             //used inside get_exam_results_data()
             $documentPath = api_get_path(SYS_COURSE_PATH) . $course['path'] . "/document";
             if ($is_allowedToEdit) {
                 $columns = array('firstname', 'lastname', 'username', 'group_name', 'exe_duration', 'start_date', 'exe_date', 'score', 'status', 'lp', 'actions');
             } else {
                 //$columns = array('exe_duration', 'start_date', 'exe_date', 'score', 'status', 'actions');
             }
             $result = \ExerciseLib::get_exam_results_data($start, $limit, $sidx, $sord, $exercise_id, $where_condition);
             break;
         case 'get_hotpotatoes_exercise_results':
             $course = api_get_course_info();
             //used inside get_exam_results_data()
             $documentPath = api_get_path(SYS_COURSE_PATH) . $course['path'] . "/document";
             $columns = array('firstname', 'lastname', 'username', 'group_name', 'exe_date', 'score', 'actions');
             $result = ExerciseLib::get_exam_results_hotpotatoes_data($start, $limit, $sidx, $sord, $hotpot_path, $where_condition);
             //get_exam_results_data($start, $limit, $sidx, $sord, $exercise_id, $where_condition);
             break;
         case 'get_sessions':
             $session_columns = \SessionManager::get_session_columns($list_type);
             $columns = $session_columns['simple_column_name'];
             if ($list_type == 'simple') {
                 $result = SessionManager::get_sessions_admin(array('where' => $where_condition, 'order' => "{$sidx} {$sord}", 'extra' => $extra_fields, 'limit' => "{$start} , {$limit}"), false);
             } else {
                 $result = SessionManager::get_sessions_admin_complete(array('where' => $where_condition, 'order' => "{$sidx} {$sord}", 'extra' => $extra_fields, 'limit' => "{$start} , {$limit}"));
             }
             break;
         case 'get_timelines':
             $columns = array('headline', 'actions');
             //$columns = array('headline', 'type', 'start_date', 'end_date', 'text', 'media', 'media_credit', 'media_caption', 'title_slide', 'parent_id');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'headline';
             }
             $course_id = api_get_course_int_id();
             $result = Database::select('*', $obj->table, array('where' => array('parent_id = ? AND c_id = ?' => array('0', $course_id)), 'order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 if (!$item['status']) {
                     $item['name'] = '<font style="color:#AAA">' . $item['name'] . '</font>';
                 }
                 $item['headline'] = Display::url($item['headline'], api_get_path(WEB_CODE_PATH) . 'timeline/view.php?id=' . $item['id']);
                 $item['actions'] = Display::url(Display::return_icon('add.png', get_lang('AddItems')), api_get_path(WEB_CODE_PATH) . 'timeline/?action=add_item&parent_id=' . $item['id']);
                 $item['actions'] .= Display::url(Display::return_icon('edit.png', get_lang('Edit')), api_get_path(WEB_CODE_PATH) . 'timeline/?action=edit&id=' . $item['id']);
                 $item['actions'] .= Display::url(Display::return_icon('delete.png', get_lang('Delete')), api_get_path(WEB_CODE_PATH) . 'timeline/?action=delete&id=' . $item['id']);
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_gradebooks':
             $columns = array('name', 'certificates', 'skills', 'actions', 'has_certificates');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             $result = Database::select('*', $obj->table, array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 if ($item['parent_id'] != 0) {
                     continue;
                 }
                 $skills = $obj->get_skills_by_gradebook($item['id']);
                 //Fixes bug when gradebook doesn't have names
                 if (empty($item['name'])) {
                     $item['name'] = $item['course_code'];
                 } else {
                     //$item['name'] =  $item['name'].' ['.$item['course_code'].']';
                 }
                 $item['name'] = Display::url($item['name'], api_get_path(WEB_CODE_PATH) . 'gradebook/index.php?id_session=0&cidReq=' . $item['course_code']);
                 if (!empty($item['certif_min_score']) && !empty($item['document_id'])) {
                     $item['certificates'] = Display::return_icon('accept.png', get_lang('WithCertificate'), array(), ICON_SIZE_SMALL);
                     $item['has_certificates'] = '1';
                 } else {
                     $item['certificates'] = Display::return_icon('warning.png', get_lang('NoCertificate'), array(), ICON_SIZE_SMALL);
                     $item['has_certificates'] = '0';
                 }
                 if (!empty($skills)) {
                     foreach ($skills as $skill) {
                         $item['skills'] .= Display::span($skill['name'], array('class' => 'label_tag skill'));
                     }
                 }
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_event_email_template':
             $columns = array('subject', 'event_type_name', 'language_id', 'activated', 'actions');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'subject';
             }
             $result = Database::select('*', $obj->table, array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 $language_info = api_get_language_info($item['language_id']);
                 $item['language_id'] = $language_info['english_name'];
                 $item['actions'] = Display::url(Display::return_icon('edit.png', get_lang('Edit')), api_get_path(WEB_CODE_PATH) . 'admin/event_type.php?action=edit&event_type_name=' . $item['event_type_name']);
                 $item['actions'] .= Display::url(Display::return_icon('delete.png', get_lang('Delete')), api_get_path(WEB_CODE_PATH) . 'admin/event_controller.php?action=delete&id=' . $item['id']);
                 /*if (!$item['status']) {
                       $item['name'] = '<font style="color:#AAA">'.$item['subject'].'</font>';
                   }*/
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_careers':
             $columns = array('name', 'description', 'actions');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             $result = Database::select('*', $obj->table, array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 if (!$item['status']) {
                     $item['name'] = '<font style="color:#AAA">' . $item['name'] . '</font>';
                 }
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_promotions':
             $columns = array('name', 'career', 'description', 'actions');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             $result = Database::select('p.id,p.name, p.description, c.name as career, p.status', "{$obj->table} p LEFT JOIN " . Database::get_main_table(TABLE_CAREER) . " c  ON c.id = p.career_id ", array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 if (!$item['status']) {
                     $item['name'] = '<font style="color:#AAA">' . $item['name'] . '</font>';
                 }
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_grade_models':
             $columns = array('name', 'description', 'actions');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             $result = Database::select('*', "{$obj->table} ", array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             foreach ($result as $item) {
                 $new_result[] = $item;
             }
             $result = $new_result;
             break;
         case 'get_usergroups':
             $columns = array('name', 'users', 'courses', 'sessions', 'group_type', 'actions');
             $result = Database::select('*', $obj->table, array('order' => "name {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             if (!empty($result)) {
                 foreach ($result as $group) {
                     $group['sessions'] = count($obj->get_sessions_by_usergroup($group['id']));
                     $group['courses'] = count($obj->get_courses_by_usergroup($group['id']));
                     $group['users'] = count($obj->get_users_by_usergroup($group['id']));
                     switch ($group['group_type']) {
                         case '0':
                             $group['group_type'] = Display::label(get_lang('Class'), 'info');
                             break;
                         case '1':
                             $group['group_type'] = Display::label(get_lang('Social'), 'success');
                             break;
                     }
                     $new_result[] = $group;
                 }
                 $result = $new_result;
             }
             $columns = array('name', 'users', 'courses', 'sessions', 'group_type');
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             //Multidimensional sort
             ArrayClass::msort($result, $sidx);
             break;
         case 'get_extra_fields':
             $obj = new \ExtraField($type);
             $columns = array('field_display_text', 'field_variable', 'field_type', 'field_changeable', 'field_visible', 'field_filter', 'field_order');
             $result = \Database::select('*', $obj->table, array('order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             $new_result = array();
             if (!empty($result)) {
                 foreach ($result as $item) {
                     $item['field_type'] = $obj->get_field_type_by_id($item['field_type']);
                     $item['field_changeable'] = $item['field_changeable'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                     $item['field_visible'] = $item['field_visible'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                     $item['field_filter'] = $item['field_filter'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                     $new_result[] = $item;
                 }
                 $result = $new_result;
             }
             break;
         case 'get_extra_field_options':
             $obj = new \ExtraFieldOption($type);
             $columns = array('option_display_text', 'option_value', 'option_order');
             $result = \Database::select('*', $obj->table, array('where' => array("field_id = ? " => $field_id), 'order' => "{$sidx} {$sord}", 'LIMIT' => "{$start} , {$limit}"));
             /*$new_result = array();
               if (!empty($result)) {
                   foreach ($result as $item) {
                       $item['field_type']         = $obj->get_field_type_by_id($item['field_type']);
                       $item['field_changeable']   = $item['field_changeable'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                       $item['field_visible']      = $item['field_visible'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                       $item['field_filter']       = $item['field_filter'] ? Display::return_icon('right.gif') : Display::return_icon('wrong.gif');
                       $new_result[]        = $item;
                   }
                   $result = $new_result;
               }*/
             break;
         case 'get_usergroups_teacher':
             $columns = array('name', 'users', 'actions');
             $options = array('order' => "name {$sord}", 'LIMIT' => "{$start} , {$limit}");
             $options['course_id'] = $course_id;
             switch ($type) {
                 case 'not_registered':
                     $options['where'] = array(" (course_id IS NULL OR course_id != ?) " => $course_id);
                     $result = $obj->get_usergroup_not_in_course($options);
                     break;
                 case 'registered':
                     $options['where'] = array(" usergroup.course_id = ? " => $course_id);
                     $result = $obj->get_usergroup_in_course($options);
                     break;
             }
             $new_result = array();
             if (!empty($result)) {
                 foreach ($result as $group) {
                     $group['users'] = count($obj->get_users_by_usergroup($group['id']));
                     if ($obj->usergroup_was_added_in_course($group['id'], $course_id)) {
                         $url = 'class.php?action=remove_class_from_course&id=' . $group['id'];
                         $icon = Display::return_icon('delete.png', get_lang('Remove'));
                     } else {
                         $url = 'class.php?action=add_class_to_course&id=' . $group['id'];
                         $icon = Display::return_icon('add.png', get_lang('Add'));
                     }
                     $group['actions'] = Display::url($icon, $url);
                     $new_result[] = $group;
                 }
                 $result = $new_result;
             }
             if (!in_array($sidx, $columns)) {
                 $sidx = 'name';
             }
             //Multidimensional sort
             \ArrayClass::msort($result, $sidx);
             break;
         default:
             exit;
     }
     $allowed_actions = array('get_careers', 'get_promotions', 'get_usergroups', 'get_usergroups_teacher', 'get_gradebooks', 'get_sessions', 'get_exercise_results', 'get_hotpotatoes_exercise_results', 'get_work_user_list', 'get_timelines', 'get_grade_models', 'get_event_email_template', 'get_user_skill_ranking', 'get_extra_fields', 'get_extra_field_options', 'get_course_exercise_medias', 'get_user_course_report', 'get_user_course_report_resumed', 'get_group_reporting', 'get_question_list', 'get_user_list_plugin_widescale', 'get_questions');
     //5. Creating an obj to return a json
     if (in_array($action, $allowed_actions)) {
         $response = new \stdClass();
         $response->page = $page;
         $response->total = $total_pages;
         $response->records = $count;
         if ($operation && $operation == 'excel') {
             $j = 1;
             $array = array();
             if (empty($column_names)) {
                 $column_names = $columns;
             }
             //Headers
             foreach ($column_names as $col) {
                 $array[0][] = $col;
             }
             foreach ($result as $row) {
                 foreach ($columns as $col) {
                     $array[$j][] = strip_tags($row[$col]);
                 }
                 $j++;
             }
             switch ($export_format) {
                 case 'xls':
                     Export::export_table_xls($array, 'company_report');
                     break;
                 case 'csv':
                 default:
                     Export::export_table_csv($array, 'company_report');
                     break;
             }
             exit;
         }
         $i = 0;
         if (!empty($result)) {
             foreach ($result as $row) {
                 //print_r($row);
                 // if results tab give not id, set id to $i otherwise id="null" for all <tr> of the jqgrid - ref #4235
                 if (!isset($row['id']) || isset($row['id']) && $row['id'] == "") {
                     $response->rows[$i]['id'] = $i;
                 } else {
                     $response->rows[$i]['id'] = $row['id'];
                 }
                 $array = array();
                 foreach ($columns as $col) {
                     $array[] = isset($row[$col]) ? $row[$col] : null;
                 }
                 $response->rows[$i]['cell'] = $array;
                 $i++;
             }
         }
         return json_encode($response);
     }
 }