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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Responses to AJAX calls
- */
- require_once '../../exercice/exercise.class.php';
- require_once '../../exercice/question.class.php';
- require_once '../../exercice/answer.class.php';
- require_once '../global.inc.php';
- require_once '../../exercice/exercise.lib.php';
- api_protect_course_script(true);
- $action = $_REQUEST['a'];
- $course_id = api_get_course_int_id();
- if ($debug) error_log("$action ajax call");
- $session_id = isset($_REQUEST['session_id']) ? intval($_REQUEST['session_id']) : api_get_session_id();
- $course_code = isset($_REQUEST['cidReq']) ? $_REQUEST['cidReq'] : api_get_course_id();
- switch ($action) {
- case 'get_live_stats':
- if (!api_is_allowed_to_edit(null, true)) {
- break;
- }
- // 1. Setting variables needed by jqgrid
- $action = $_GET['a'];
- $exercise_id = intval($_GET['exercise_id']);
- $page = intval($_REQUEST['page']); //page
- $limit = intval($_REQUEST['rows']); //quantity of rows
- $sidx = $_REQUEST['sidx']; //index to filter
- $sord = $_REQUEST['sord']; //asc or desc
- if (!in_array($sord, array('asc','desc'))) {
- $sord = 'desc';
- }
- // get index row - i.e. user click to sort $sord = $_GET['sord'];
- // get the direction
- if (!$sidx) $sidx = 1;
- $track_exercise = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
- $user_table = Database::get_main_table(TABLE_MAIN_USER);
- $track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $minutes = intval($_REQUEST['minutes']);
- $now = time() - 60*$minutes; //1 hour
- $now = api_get_utc_datetime($now);
- $where_condition = " orig_lp_id = 0 AND exe_exo_id = $exercise_id AND start_date > '$now' ";
- $sql = "SELECT COUNT(DISTINCT exe_id) FROM $track_exercise WHERE $where_condition ";
- $result = Database::query($sql);
- $count = Database::fetch_row($result);
- $count = $count[0];
- //3. Calculating first, end, etc
- $total_pages = 0;
- if ($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;
- }
- $sql = "SELECT exe_id,
- exe_user_id,
- firstname,
- lastname,
- aa.status,
- start_date,
- exe_result,
- exe_weighting,
- exe_result/exe_weighting as score,
- exe_duration,
- questions_to_check,
- orig_lp_id
- FROM $user_table u
- INNER JOIN (
- SELECT t.exe_id, t.exe_user_id, status,
- start_date, exe_result, exe_weighting, exe_result/exe_weighting as score, exe_duration, questions_to_check, orig_lp_id
- FROM $track_exercise t LEFT JOIN $track_attempt a ON (a.exe_id = t.exe_id AND t.exe_user_id = a.user_id )
- WHERE t.status = 'incomplete' AND
- $where_condition
- GROUP BY exe_user_id
- ) as aa
- ON aa.exe_user_id = user_id
- ORDER BY $sidx $sord LIMIT $start, $limit";
- $result = Database::query($sql);
- $results = array();
- while ($row = Database::fetch_array($result,'ASSOC')){
- $results[] = $row;
- }
- $oExe = new exercise();
- $oExe->read($exercise_id);
- $response = new stdClass();
- $response->page = $page;
- $response->total = $total_pages;
- $response->records = $count;
- $i=0;
- if (!empty($results)) {
- foreach($results as $row) {
- $sql = "SELECT SUM(count_question_id) as count_question_id FROM (
- SELECT 1 as count_question_id FROM $track_attempt a
- WHERE user_id = {$row['exe_user_id']} and exe_id = {$row['exe_id']}
- GROUP by question_id
- ) as count_table";
- $result_count = Database::query($sql);
- $count_questions = Database::fetch_array($result_count,'ASSOC');
- $count_questions = $count_questions['count_question_id'];
- $row['count_questions'] = $count_questions;
- $response->rows[$i]['id'] = $row['exe_id'];
- $remaining = strtotime($row['start_date'])+($oExe->expired_time*60) - strtotime(api_get_utc_datetime(time()));
- $h = floor($remaining/3600);
- $m = floor(($remaining - ($h*3600))/60);
- $s = ($remaining - ($h*3600) - ($m*60));
- $array = array( $row['firstname'],
- $row['lastname'],
- api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG).' ['.($h>0?$h.':':'').sprintf("%02d",$m).':'.sprintf("%02d",$s).']',
- $row['count_questions'],
- round($row['score']*100).'%'
- );
- $response->rows[$i]['cell'] = $array;
- $i++;
- }
- }
- echo json_encode($response);
- break;
- case 'update_exercise_list_order':
- if (api_is_allowed_to_edit(null, true)) {
- $new_list = $_REQUEST['exercise_list'];
- $table = Database::get_course_table(TABLE_QUIZ_ORDER);
- $counter = 1;
- //Drop all
- Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
- //Insert all
- foreach ($new_list as $new_order_id) {
- Database::insert($table, array('exercise_order' => $counter, 'session_id' => $session_id, 'exercise_id' => intval($new_order_id), 'c_id' => $course_id));
- $counter++;
- }
- Display::display_confirmation_message(get_lang('Saved'));
- }
- break;
- case 'update_question_order':
- $course_info = api_get_course_info($course_code);
- $course_id = $course_info['real_id'];
- $exercise_id = isset($_REQUEST['exercise_id']) ? $_REQUEST['exercise_id'] : null;
- if (empty($exercise_id)) {
- return Display::display_error_message(get_lang('Error'));
- }
- if (api_is_allowed_to_edit(null, true)) {
- $new_question_list = $_POST['question_id_list'];
- $TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $counter = 1;
- foreach ($new_question_list as $new_order_id) {
- Database::update($TBL_QUESTIONS, array('question_order' => $counter), array('question_id = ? AND c_id = ? AND exercice_id = ? '=>array(intval($new_order_id), $course_id, $exercise_id)));
- $counter++;
- }
- Display::display_confirmation_message(get_lang('Saved'));
- }
- break;
- case 'add_question_to_reminder':
- $objExercise = $_SESSION['objExercise'];
- if (empty($objExercise)) {
- echo 0;
- exit;
- } else {
- $objExercise->edit_question_to_remind($_REQUEST['exe_id'], $_REQUEST['question_id'], $_REQUEST['action']);
- }
- break;
- case 'save_exercise_by_now':
- $course_info = api_get_course_info($course_code);
- $course_id = $course_info['real_id'];
- //Use have permissions?
- if (api_is_allowed_to_session_edit()) {
- //"all" or "simple" strings means that there's one or all questions exercise type
- $type = isset($_REQUEST['type']) ? $_REQUEST['type'] : null;
- //Questions choices
- $choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
- //Hotspot coordinates from all questions
- $hot_spot_coordinates = isset($_REQUEST['hotspot']) ? $_REQUEST['hotspot'] : null;
- //There is a reminder?
- $remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list'])? array_keys($_REQUEST['remind_list']) : null;
- //Needed in manage_answer
- $learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
- $learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
- //Attempt id
- $exe_id = $_REQUEST['exe_id'];
- if ($debug) error_log("exe_id = $exe_id ");
- if ($debug) error_log("type = $type ");
- if ($debug) error_log("choice = ".print_r($choice, 1)." ");
- if ($debug) error_log("hot_spot_coordinates = ".print_r($hot_spot_coordinates,1));
- if ($debug) error_log("remind_list = ".print_r($remind_list));
- //Exercise information
- $objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
- //Question info
- $question_id = intval($_REQUEST['question_id']);
- $question_list = $_SESSION['questionList'];
- //If exercise or question is not set then exit
- if (empty($question_list) || empty($objExercise)) {
- echo 'error';
- exit;
- }
- //Getting information of the current exercise
- $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
- $exercise_id = $exercise_stat_info['exe_exo_id'];
- $attempt_list = array();
- //First time here we create an attempt (getting the exe_id)
- if (empty($exercise_stat_info)) {
- } else {
- //We know the user we get the exe_id
- $exe_id = $exercise_stat_info['exe_id'];
- $total_score = $exercise_stat_info['exe_result'];
- //Getting the list of attempts
- $attempt_list = get_all_exercise_event_by_exe_id($exe_id);
- }
- //Updating Reminder algorythm
- if ($objExercise->type == ONE_PER_PAGE) {
- $bd_reminder_list = explode(',', $exercise_stat_info['questions_to_check']);
- if (empty($remind_list)) {
- $remind_list = $bd_reminder_list;
- $new_list = array();
- foreach($bd_reminder_list as $item) {
- if ($item != $question_id) {
- $new_list[] = $item;
- }
- }
- $remind_list = $new_list;
- } else {
- if (isset($remind_list[0])) {
- if (!in_array($remind_list[0], $bd_reminder_list)) {
- array_push($bd_reminder_list, $remind_list[0]);
- }
- $remind_list = $bd_reminder_list;
- }
- }
- }
- //No exe id? Can't save answer.
- if (empty($exe_id)) {
- //Fires an error
- echo 'error';
- exit;
- } else {
- $_SESSION['exe_id'] = $exe_id;
- }
- // Getting the total weight if the request is simple
- $total_weight = 0;
- if ($type == 'simple') {
- foreach ($question_list as $my_question_id) {
- $objQuestionTmp = Question::read($my_question_id, $course_id);
- $total_weight += $objQuestionTmp->selectWeighting();
- }
- }
- unset($objQuestionTmp);
- //Looping the question list
- foreach ($question_list as $my_question_id) {
- if ($debug) error_log("Saving question_id = $my_question_id ");
- if ($type == 'simple' && $question_id != $my_question_id) {
- continue;
- }
- $my_choice = $choice[$my_question_id];
- if ($debug) error_log("my_choice = ".print_r($my_choice, 1)."");
- // creates a temporary Question object
- $objQuestionTmp = Question::read($my_question_id, $course_id);
- //Getting free choice data
- if ($objQuestionTmp->type == FREE_ANSWER && $type == 'all') {
- $my_choice = isset($_REQUEST['free_choice'][$my_question_id]) && !empty($_REQUEST['free_choice'][$my_question_id])? $_REQUEST['free_choice'][$my_question_id]: null;
- }
- if ($type == 'all') {
- $total_weight += $objQuestionTmp->selectWeighting();
- }
- //this variable commes from exercise_submit_modal.php
- $hotspot_delineation_result = null;
- if (isset($_SESSION['hotspot_delineation_result']) && isset($_SESSION['hotspot_delineation_result'][$objExercise->selectId()])) {
- $hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$my_question_id];
- }
- if ($type == 'simple') {
- //Getting old attempt in order to decrees the total score
- $old_result = $objExercise->manage_answer($exe_id, $my_question_id, null, 'exercise_show', array(), false, true, false, $objExercise->selectPropagateNeg());
- //Removing old score
- $total_score = $total_score - $old_result['score'];
- }
- // Deleting old attempt
- if (isset($attempt_list) && !empty($attempt_list[$my_question_id])) {
- if ($debug) error_log("delete_attempt exe_id : $exe_id, my_question_id: $my_question_id");
- delete_attempt($exe_id, api_get_user_id() , $course_code, $session_id, $my_question_id);
- if ($objQuestionTmp->type == HOT_SPOT) {
- delete_attempt_hotspot($exe_id, api_get_user_id() , $course_code, $my_question_id);
- }
- if (isset($attempt_list[$my_question_id]) && isset($attempt_list[$my_question_id]['marks'])) {
- $total_score -= $attempt_list[$my_question_id]['marks'];
- }
- }
- // We're inside *one* question. Go through each possible answer for this question
- $result = $objExercise->manage_answer($exe_id, $my_question_id, $my_choice, 'exercise_result', $hot_spot_coordinates, true, false, false, $objExercise->selectPropagateNeg(), $hotspot_delineation_result, true);
- //Adding the new score
- $total_score += $result['score'];
- if ($debug) error_log("total_score: $total_score ");
- if ($debug) error_log("total_weight: $total_weight ");
- $duration = 0;
- $now = time();
- if ($type == 'all') {
- $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
- }
- $key = get_time_control_key($exercise_id, $exercise_stat_info['orig_lp_id'], $exercise_stat_info['orig_lp_item_id']);
- if (isset($_SESSION['duration_time'][$key]) && !empty($_SESSION['duration_time'][$key])) {
- $duration = $now - $_SESSION['duration_time'][$key];
- if (!empty($exercise_stat_info['exe_duration'])) {
- $duration += $exercise_stat_info['exe_duration'];
- }
- $duration = intval($duration);
- } else {
- if (!empty($exercise_stat_info['exe_duration'])) {
- $duration = $exercise_stat_info['exe_duration'];
- }
- }
- $_SESSION['duration_time'][$key] = time();
- update_event_exercise( $exe_id,
- $objExercise->selectId(),
- $total_score,
- $total_weight,
- $session_id,
- $exercise_stat_info['orig_lp_id'],
- $exercise_stat_info['orig_lp_item_id'],
- $exercise_stat_info['orig_lp_item_view_id'],
- $duration,
- 'incomplete',
- $remind_list);
- // Destruction of the Question object
- unset($objQuestionTmp);
- if ($debug) error_log(" -- end question -- ");
- }
- if ($debug) error_log(" ------ end ajax call ------- ");
- }
- if ($objExercise->type == ONE_PER_PAGE) {
- echo 'one_per_page';
- exit;
- }
- echo 'ok';
- break;
- default:
- echo '';
- }
- exit;
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