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283 lines
12 KiB
283 lines
12 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Responses to AJAX calls
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*/
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require_once '../../exercice/exercise.class.php';
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require_once '../../exercice/question.class.php';
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require_once '../../exercice/answer.class.php';
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require_once '../global.inc.php';
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require_once '../../exercice/exercise.lib.php';
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api_protect_course_script(true);
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$action = $_REQUEST['a'];
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$course_id = api_get_course_int_id();
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switch ($action) {
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case 'get_live_stats':
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// 1. Setting variables needed by jqgrid
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$action = $_GET['a'];
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$exercise_id = intval($_GET['exercise_id']);
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$page = intval($_REQUEST['page']); //page
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$limit = intval($_REQUEST['rows']); //quantity of rows
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$sidx = $_REQUEST['sidx']; //index to filter
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$sord = $_REQUEST['sord']; //asc or desc
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if (!in_array($sord, array('asc','desc'))) {
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$sord = 'desc';
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}
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// get index row - i.e. user click to sort $sord = $_GET['sord'];
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// get the direction
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if (!$sidx) $sidx = 1;
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$track_exercise = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
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$user_table = Database::get_main_table(TABLE_MAIN_USER);
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$track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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$minutes = intval($_REQUEST['minutes']);
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$now = time() - 60*$minutes; //1 hour
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$now = api_get_utc_datetime($now);
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$where_condition = " orig_lp_id = 0 AND exe_exo_id = $exercise_id AND start_date > '$now' ";
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$sql = "SELECT COUNT(DISTINCT exe_id) FROM $track_exercise WHERE $where_condition ";
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$result = Database::query($sql);
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$count = Database::fetch_row($result);
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$count = $count[0];
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//3. Calculating first, end, etc
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$total_pages = 0;
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if ($count > 0) {
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if (!empty($limit)) {
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$total_pages = ceil($count/$limit);
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}
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}
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if ($page > $total_pages) {
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$page = $total_pages;
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}
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$start = $limit * $page - $limit;
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if ($start < 0 ) {
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$start = 0;
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}
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$sql = "SELECT count_questions, 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
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FROM $user_table u INNER JOIN (
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SELECT t.exe_user_id, count(question_id) as count_questions, status,
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start_date, exe_result, exe_weighting, exe_result/exe_weighting as score, exe_duration, questions_to_check, orig_lp_id
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FROM $track_attempt a INNER JOIN $track_exercise t
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WHERE a.exe_id = t.exe_id AND exe_user_id = a.user_id AND $where_condition
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group by exe_user_id
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) as aa
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ON aa.exe_user_id = user_id
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ORDER BY $sidx $sord LIMIT $start , $limit ";
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$result = Database::query($sql);
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$results = array();
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while ($row = Database::fetch_array($result,'ASSOC')){
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$results[] = $row;
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}
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$response = new stdClass();
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$response->page = $page;
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$response->total = $total_pages;
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$response->records = $count;
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$i=0;
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if (!empty($results)) {
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foreach($results as $row) {
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//$user_info = api_get_user_info($row['exe_user_id']);
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//print_r($row);
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$response->rows[$i]['id'] = $row['exe_id'];
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$array = array( $row['firstname'],
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$row['lastname'],
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api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG),
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$row['count_questions'],
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round($row['score']*100).'%'
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);
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$response->rows[$i]['cell'] = $array;
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$i++;
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}
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}
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echo json_encode($response);
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break;
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case 'update_question_order':
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if (api_is_allowed_to_edit(null, true)) {
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$new_question_list = $_POST['question_id_list'];
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$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$counter = 1;
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foreach ($new_question_list as $new_order_id) {
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Database::update($TBL_QUESTIONS, array('question_order'=>$counter), array('question_id = ? AND c_id = ? '=>array(intval($new_order_id), $course_id)));
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$counter++;
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}
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Display::display_confirmation_message(get_lang('Saved'));
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}
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break;
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case 'add_question_to_reminder':
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$objExercise = $_SESSION['objExercise'];
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if (empty($objExercise)) {
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echo 0;
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exit;
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} else {
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$objExercise->edit_question_to_remind($_REQUEST['exe_id'], $_REQUEST['question_id'], $_REQUEST['action']);
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}
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break;
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case 'save_exercise_by_now':
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//Use have permissions?
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if (api_is_allowed_to_session_edit()) {
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//"all" or "simple" strings means that there's one or all questions
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$type = $_REQUEST['type'];
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//Normal questions choices
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$choice = $_REQUEST['choice'];
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//All Hotspot coordinates from all questions
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$hot_spot_coordinates = $_REQUEST['hotspot'];
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//There is a reminder?
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$remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list'])? array_keys($_REQUEST['remind_list']) : null;
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$exe_id = $_REQUEST['exe_id'];
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//Exercise information
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$question_id = intval($_REQUEST['question_id']);
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$question_list = $_SESSION['questionList'];
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$objExercise = $_SESSION['objExercise'];
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if (empty($question_list) || empty($objExercise)) {
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echo 0;
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exit;
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}
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//Getting information of the current exercise
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$exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
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$attempt_list = array();
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//First time here we create an attempt (getting the exe_id)
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if (empty($exercise_stat_info)) {
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/*
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//$exe_id = create_event_exercice($objExercise->selectId());
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$current_expired_time_key = get_time_control_key($objExercise->id);
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if (isset($_SESSION['expired_time'][$current_expired_time_key])) { //Only for exercice of type "One page"
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$expired_date = $_SESSION['expired_time'][$current_expired_time_key];
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} else {
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$expired_date = '0000-00-00 00:00:00';
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}
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$exe_id = $objExercise->save_stat_track_exercise_info($expired_date, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id, $question_list, 0); //total weight 0 by now
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$total_score = $total_weight = 0;
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*/
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} else {
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//We know the user we get the exe_id
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$exe_id = $exercise_stat_info['exe_id'];
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$total_score = $exercise_stat_info['exe_result'];
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//Getting the list of attempts
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$attempt_list = get_all_exercise_event_by_exe_id($exe_id);
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}
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//Updating Reminder algorythm
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if ($objExercise->type == ONE_PER_PAGE) {
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$bd_reminder_list = explode(',', $exercise_stat_info['questions_to_check']);
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if (empty($remind_list)) {
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$remind_list = $bd_reminder_list;
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$new_list = array();
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foreach($bd_reminder_list as $item) {
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if ($item != $question_id) {
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$new_list[] = $item;
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}
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}
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$remind_list = $new_list;
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} else {
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if (isset($remind_list[0])) {
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if (!in_array($remind_list[0], $bd_reminder_list)) {
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array_push($bd_reminder_list, $remind_list[0]);
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}
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$remind_list = $bd_reminder_list;
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}
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}
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}
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//No exe id? Can't save answer
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if (empty($exe_id)) {
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//Fires an error
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echo 'error';
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exit;
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} else {
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$_SESSION['exe_id'] = $exe_id;
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}
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// Getting the total weight if the request is simple
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$total_weight = 0;
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if ($type == 'simple') {
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foreach($question_list as $my_question_id) {
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$objQuestionTmp = Question :: read($my_question_id);
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$total_weight += $objQuestionTmp->selectWeighting();
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}
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}
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unset($objQuestionTmp);
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//Looping the question list
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foreach($question_list as $my_question_id) {
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if ($type == 'simple' && $question_id != $my_question_id) {
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continue;
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}
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$my_choice = $choice[$my_question_id];
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// creates a temporary Question object
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$objQuestionTmp = Question::read($my_question_id);
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//Getting free choice data
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if ($objQuestionTmp->type == FREE_ANSWER && $type == 'all') {
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$my_choice = isset($_REQUEST['free_choice'][$my_question_id]) && !empty($_REQUEST['free_choice'][$my_question_id])? $_REQUEST['free_choice'][$my_question_id]: null;
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}
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if ($type == 'all') {
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$total_weight += $objQuestionTmp->selectWeighting();
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}
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//this variable commes from exercise_submit_modal.php
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$hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$my_question_id];
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// Deleting old attempt
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if (isset($attempt_list) && !empty($attempt_list[$my_question_id])) {
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delete_attempt($exe_id, api_get_user_id() , api_get_course_id(), api_get_session_id(), $my_question_id);
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if ($objQuestionTmp->type == HOT_SPOT) {
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delete_attempt_hotspot($exe_id, api_get_user_id() , api_get_course_id(), $my_question_id);
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}
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$total_score -= $attempt_list[$my_question_id]['marks'];
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}
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// We're inside *one* question. Go through each possible answer for this question
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$result = $objExercise->manage_answer($exe_id, $my_question_id, $my_choice,'exercise_result', $hot_spot_coordinates, true, false, $show_results, $objExercise->selectPropagateNeg(), $hotspot_delineation_result, true);
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$total_score += $result['score'];
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update_event_exercice($exe_id, $objExercise->selectId(), $total_score, $total_weight, api_get_session_id(), $exercise_stat_info['orig_lp_id'], $exercise_stat_info['orig_lp_item_id'], $exercise_stat_info['orig_lp_item_view_id'], $exercise_stat_info['exe_duration'], $question_list, 'incomplete', $remind_list);
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// Destruction of the Question object
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unset($objQuestionTmp);
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}
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}
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if ($objExercise->type == ONE_PER_PAGE) {
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echo 'one_per_page';
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exit;
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}
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echo 'ok';
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break;
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default:
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echo '';
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}
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exit; |