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510 lines
19 KiB
510 lines
19 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 '../global.inc.php';
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$debug = false;
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api_protect_course_script(true);
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$action = $_REQUEST['a'];
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$course_id = api_get_course_int_id();
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if ($debug) {
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error_log("$action ajax call");
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}
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$session_id = isset($_REQUEST['session_id']) ? intval($_REQUEST['session_id']) : api_get_session_id();
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$course_code = isset($_REQUEST['cidReq']) ? $_REQUEST['cidReq'] : api_get_course_id();
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switch ($action) {
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case 'get_live_stats':
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if (!api_is_allowed_to_edit(null, true)) {
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break;
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}
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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) {
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$sidx = 1;
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}
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$track_exercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
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$user_table = Database::get_main_table(TABLE_MAIN_USER);
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$track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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$minutes = intval($_REQUEST['minutes']);
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$now = time() - 60 * $minutes;
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$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
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exe_id,
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exe_user_id,
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firstname,
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lastname,
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aa.status,
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start_date,
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exe_result,
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exe_weighting,
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exe_result/exe_weighting as score,
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exe_duration,
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questions_to_check,
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orig_lp_id
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FROM $user_table u
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INNER JOIN (
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SELECT
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t.exe_id,
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t.exe_user_id,
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status,
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start_date,
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exe_result,
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exe_weighting,
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exe_result/exe_weighting as score,
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exe_duration,
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questions_to_check,
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orig_lp_id
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FROM $track_exercise t
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LEFT JOIN $track_attempt a
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ON (a.exe_id = t.exe_id AND t.exe_user_id = a.user_id )
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WHERE t.status = 'incomplete' 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
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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[] = $row;
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}
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$oExe = new exercise();
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$oExe->read($exercise_id);
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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 $row) {
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$sql = "SELECT SUM(count_question_id) as count_question_id
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FROM (
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SELECT 1 as count_question_id
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FROM $track_attempt a
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WHERE
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user_id = {$row['exe_user_id']} AND
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exe_id = {$row['exe_id']}
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GROUP by question_id
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) as count_table";
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$result_count = Database::query($sql);
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$count_questions = Database::fetch_array($result_count,'ASSOC');
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$count_questions = $count_questions['count_question_id'];
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$row['count_questions'] = $count_questions;
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$response->rows[$i]['id'] = $row['exe_id'];
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$remaining = strtotime($row['start_date'])+($oExe->expired_time*60) - strtotime(api_get_utc_datetime(time()));
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$h = floor($remaining/3600);
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$m = floor(($remaining - ($h*3600))/60);
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$s = ($remaining - ($h*3600) - ($m*60));
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$array = array(
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$row['firstname'],
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$row['lastname'],
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api_format_date($row['start_date'], DATE_TIME_FORMAT_LONG).' ['.($h>0?$h.':':'').sprintf("%02d",$m).':'.sprintf("%02d",$s).']',
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$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($response);
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break;
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case 'update_exercise_list_order':
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if (api_is_allowed_to_edit(null, true)) {
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$new_list = $_REQUEST['exercise_list'];
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$table = Database::get_course_table(TABLE_QUIZ_ORDER);
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$counter = 1;
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//Drop all
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Database::query("DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id");
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//Insert all
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foreach ($new_list as $new_order_id) {
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Database::insert(
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$table,
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array(
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'exercise_order' => $counter,
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'session_id' => $session_id,
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'exercise_id' => intval($new_order_id),
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'c_id' => $course_id
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)
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);
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$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 'update_question_order':
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$course_info = api_get_course_info($course_code);
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$course_id = $course_info['real_id'];
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$exercise_id = isset($_REQUEST['exercise_id']) ? $_REQUEST['exercise_id'] : null;
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if (empty($exercise_id)) {
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return Display::display_error_message(get_lang('Error'));
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}
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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 $new_order_id) {
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Database::update(
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$TBL_QUESTIONS,
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array('question_order' => $counter),
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array('question_id = ? AND c_id = ? AND exercice_id = ? ' => array(intval($new_order_id), $course_id, $exercise_id)))
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;
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$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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/** @var Exercise $objExercise */
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$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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$objExercise->edit_question_to_remind(
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$_REQUEST['exe_id'],
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$_REQUEST['question_id'],
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$_REQUEST['action']
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);
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}
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break;
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case 'save_exercise_by_now':
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$course_info = api_get_course_info($course_code);
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$course_id = $course_info['real_id'];
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// Use have permissions?
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if (api_is_allowed_to_session_edit()) {
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// "all" or "simple" strings means that there's one or all questions exercise type
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$type = isset($_REQUEST['type']) ? $_REQUEST['type'] : null;
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// Questions choices.
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$choice = isset($_REQUEST['choice']) ? $_REQUEST['choice'] : null;
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// Hot spot coordinates from all questions.
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$hot_spot_coordinates = isset($_REQUEST['hotspot']) ? $_REQUEST['hotspot'] : null;
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// There is a reminder?
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$remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list']) ? array_keys($_REQUEST['remind_list']) : null;
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// Needed in manage_answer.
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$learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : 0;
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$learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : 0;
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// Attempt id.
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$exe_id = $_REQUEST['exe_id'];
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if ($debug) {
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error_log("exe_id = $exe_id");
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error_log("type = $type");
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error_log("choice = ".print_r($choice, 1)." ");
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error_log("hot_spot_coordinates = ".print_r($hot_spot_coordinates, 1));
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error_log("remind_list = ".print_r($remind_list, 1));
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}
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// Exercise information.
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/** @var Exercise $objExercise */
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$objExercise = isset($_SESSION['objExercise']) ? $_SESSION['objExercise'] : null;
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// Question info.
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$question_id = isset($_REQUEST['question_id']) ? intval($_REQUEST['question_id']) : null;
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$question_list = $_SESSION['questionList'];
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// If exercise or question is not set then exit.
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if (empty($question_list) || empty($objExercise)) {
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echo 'error';
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if ($debug) {
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if (empty($question_list)) {
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error_log("question_list is empty");
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}
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if (empty($objExercise)) {
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error_log("objExercise is empty");
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}
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}
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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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$exercise_id = $exercise_stat_info['exe_exo_id'];
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$attempt_list = array();
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// First time here we create an attempt (getting the exe_id).
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if (empty($exercise_stat_info)) {
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} else {
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// We know the user we get the exe_id.
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$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 = Event::getAllExerciseEventByExeId($exe_id);
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}
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// Updating Reminder algorythm.
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if ($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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if ($debug) {
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error_log("exe_id is empty");
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}
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exit;
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} else {
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$_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, $course_id);
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$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 $my_question_id) {
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if ($debug) {
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error_log("Saving question_id = $my_question_id ");
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}
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if ($type == 'simple' && $question_id != $my_question_id) {
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continue;
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}
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$my_choice = isset($choice[$my_question_id]) ?
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$choice[$my_question_id] : null;
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if ($debug) {
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error_log("my_choice = ".print_r($my_choice, 1)."");
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}
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// Creates a temporary Question object
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$objQuestionTmp = Question::read($my_question_id, $course_id);
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// Getting free choice data.
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if ($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 += $objQuestionTmp->selectWeighting();
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}
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// This variable came from exercise_submit_modal.php.
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$hotspot_delineation_result = null;
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if (isset($_SESSION['hotspot_delineation_result']) && isset($_SESSION['hotspot_delineation_result'][$objExercise->selectId()])) {
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$hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$my_question_id];
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}
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if ($type == 'simple') {
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// Getting old attempt in order to decrees the total score.
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$old_result = $objExercise->manage_answer(
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$exe_id,
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$my_question_id,
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null,
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'exercise_show',
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array(),
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false,
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true,
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false,
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$objExercise->selectPropagateNeg(),
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array()
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);
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// Removing old score.
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$total_score = $total_score - $old_result['score'];
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}
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// Deleting old attempt
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if (isset($attempt_list) && !empty($attempt_list[$my_question_id])) {
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if ($debug) {
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error_log("delete_attempt exe_id : $exe_id, my_question_id: $my_question_id");
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}
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Event::delete_attempt(
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$exe_id,
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api_get_user_id(),
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$course_id,
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$session_id,
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$my_question_id
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);
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if ($objQuestionTmp->type == HOT_SPOT) {
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Event::delete_attempt_hotspot(
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$exe_id,
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api_get_user_id(),
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$course_id,
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$session_id,
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$my_question_id
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);
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}
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if (isset($attempt_list[$my_question_id]) &&
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isset($attempt_list[$my_question_id]['marks'])
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) {
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$total_score -= $attempt_list[$my_question_id]['marks'];
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}
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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 = $objExercise->manage_answer(
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$exe_id,
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$my_question_id,
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$my_choice,
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'exercise_result',
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$hot_spot_coordinates,
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true,
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false,
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false,
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$objExercise->selectPropagateNeg(),
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$hotspot_delineation_result
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);
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// Adding the new score.
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$total_score += $result['score'];
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if ($debug) {
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error_log("total_score: $total_score ");
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error_log("total_weight: $total_weight ");
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}
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$duration = 0;
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$now = time();
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if ($type == 'all') {
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$exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
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}
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$key = ExerciseLib::get_time_control_key(
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$exercise_id,
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$exercise_stat_info['orig_lp_id'],
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$exercise_stat_info['orig_lp_item_id']
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);
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if (isset($_SESSION['duration_time'][$key]) && !empty($_SESSION['duration_time'][$key])) {
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$duration = $now - $_SESSION['duration_time'][$key];
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if (!empty($exercise_stat_info['exe_duration'])) {
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$duration += $exercise_stat_info['exe_duration'];
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}
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$duration = intval($duration);
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} else {
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if (!empty($exercise_stat_info['exe_duration'])) {
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$duration = $exercise_stat_info['exe_duration'];
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}
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}
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$_SESSION['duration_time'][$key] = time();
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Event::update_event_exercice(
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$exe_id,
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$objExercise->selectId(),
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$total_score,
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$total_weight,
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$session_id,
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$exercise_stat_info['orig_lp_id'],
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$exercise_stat_info['orig_lp_item_id'],
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$exercise_stat_info['orig_lp_item_view_id'],
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$duration,
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$question_list,
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'incomplete',
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$remind_list
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);
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// Destruction of the Question object
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unset($objQuestionTmp);
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if ($debug) {
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error_log(" -- end question -- ");
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}
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}
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if ($debug) {
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error_log(" ------ end ajax call ------- ");
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}
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}
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if ($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;
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