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							1004 lines
						
					
					
						
							36 KiB
						
					
					
				
			
		
		
	
	
							1004 lines
						
					
					
						
							36 KiB
						
					
					
				<?php
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/* For licensing terms, see /license.txt */
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use Chamilo\CoreBundle\Entity\TrackEExerciseConfirmation;
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use Chamilo\CoreBundle\Entity\TrackEExercises;
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use ChamiloSession as Session;
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require_once __DIR__.'/../global.inc.php';
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$current_course_tool = TOOL_QUIZ;
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$debug = true;
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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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$session_id = isset($_REQUEST['session_id']) ? (int) $_REQUEST['session_id'] : api_get_session_id();
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$course_code = isset($_REQUEST['cidReq']) ? $_REQUEST['cidReq'] : api_get_course_id();
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$currentUserId = api_get_user_id();
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$exeId = isset($_REQUEST['exe_id']) ? $_REQUEST['exe_id'] : 0;
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switch ($action) {
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    case 'get_exercise_by_course':
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        $course_id = (isset($_GET['course_id']) && !empty($_GET['course_id'])) ? (int) $_GET['course_id'] : 0;
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        $session_id = (!empty($_GET['session_id'])) ? (int) $_GET['session_id'] : 0;
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        $data = [];
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        $onlyActiveExercises = !(api_is_platform_admin(true) || api_is_course_admin());
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        $results = ExerciseLib::get_all_exercises_for_course_id(
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            null,
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            $session_id,
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            $course_id,
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            $onlyActiveExercises
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        );
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        if (!empty($results)) {
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            foreach ($results as $exercise) {
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                $data[] = ['id' => $exercise['id'], 'text' => html_entity_decode($exercise['title'])];
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            }
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        }
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        echo json_encode($data);
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        break;
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    case 'update_duration':
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        if (Session::read('login_as')) {
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            if ($debug) {
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                error_log("User is 'login as' don't update duration time.");
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            }
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            exit;
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        }
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        if (empty($exeId)) {
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            if ($debug) {
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                error_log('Exe id not provided.');
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            }
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            exit;
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        }
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        /** @var Exercise $exerciseInSession */
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        $exerciseInSession = Session::read('objExercise');
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        if (empty($exerciseInSession)) {
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            if ($debug) {
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                error_log('Exercise obj not provided.');
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            }
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            exit;
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        }
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        // If exercise was updated x seconds before, then don't updated duration.
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        $onlyUpdateValue = 10;
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        $em = Database::getManager();
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        /** @var TrackEExercises $attempt */
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        $attempt = $em->getRepository(TrackEExercises::class)->find($exeId);
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        if (empty($attempt)) {
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            if ($debug) {
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                error_log("Attempt #$exeId doesn't exists.");
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            }
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            exit;
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        }
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        $nowObject = api_get_utc_datetime(null, false, true);
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        $now = $nowObject->getTimestamp();
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        $exerciseId = $attempt->getExeExoId();
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        $userId = $attempt->getExeUserId();
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        if ($userId != $currentUserId) {
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            if ($debug) {
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                error_log("User $currentUserId trying to change time for user $userId");
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            }
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            exit;
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        }
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        if ($exerciseInSession->iId !== $exerciseId) {
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            if ($debug) {
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                error_log('Cannot update, exercise are different.');
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            }
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            exit;
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        }
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        if ('incomplete' !== $attempt->getStatus()) {
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            if ($debug) {
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                error_log('Cannot update exercise is already completed.');
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            }
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            exit;
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        }
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        // Check if we are dealing with the same exercise.
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        $timeWithOutUpdate = $now - $attempt->getExeDate()->getTimestamp();
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        if ($timeWithOutUpdate > $onlyUpdateValue) {
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            $key = ExerciseLib::get_time_control_key(
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                $exerciseId,
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                $attempt->getOrigLpId(),
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                $attempt->getOrigLpItemId()
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            );
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            $durationFromObject = $attempt->getExeDuration();
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            $previousTime = Session::read('duration_time_previous');
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            if (isset($previousTime[$key]) &&
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                !empty($previousTime[$key])
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            ) {
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                $sessionTime = $previousTime[$key];
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                $duration = $sessionTime = $now - $sessionTime;
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                if (!empty($durationFromObject)) {
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                    $duration += $durationFromObject;
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                }
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                $duration = (int) $duration;
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                if (!empty($duration)) {
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                    if ($debug) {
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                        error_log('Exe_id: #'.$exeId);
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                        error_log("Key: $key");
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                        error_log("Exercise to update: #$exerciseId of user: #$userId");
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                        error_log("Duration time found in DB before update: $durationFromObject");
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                        error_log("Current spent time $sessionTime before an update");
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                        error_log("Accumulate duration to save in DB: $duration");
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                        error_log('End date (UTC) before update: '.$attempt->getExeDate()->format('Y-m-d H:i:s'));
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                        error_log('End date (UTC) to be save in DB: '.$nowObject->format('Y-m-d H:i:s'));
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                    }
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                    $attempt
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                        ->setExeDuration($duration)
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                        ->setExeDate($nowObject);
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                    $em->persist($attempt);
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                    $em->flush();
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                    echo 1;
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                }
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            } else {
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                if ($debug) {
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                    error_log("Nothing to update, 'duration_time_previous' session not set");
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                    error_log("Key: $key");
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                }
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            }
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        } else {
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            if ($debug) {
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                error_log("Can't update, time was already updated $timeWithOutUpdate seconds ago");
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            }
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        }
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        break;
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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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        $exercise_id = (int) $_GET['exercise_id'];
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        $page = (int) $_REQUEST['page']; //page
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        $limit = (int) $_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, ['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 = (int) $_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)
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                FROM $track_exercise
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                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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                    max_score,
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                    score/max_score 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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                        max_score,
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                        score/max_score 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 = u.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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        $results = [];
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        while ($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(
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                    $result_count,
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                    'ASSOC'
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                );
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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'] = $row['exe_id'];
 | 
						|
                if (!empty($oExe->expired_time)) {
 | 
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                    $remaining = strtotime($row['start_date']) +
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                        ($oExe->expired_time * 60) -
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                        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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                    $timeInfo = api_convert_and_format_date(
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                            $row['start_date'],
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                            DATE_TIME_FORMAT_LONG
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                        ).' ['.($h > 0 ? $h.':' : '').sprintf('%02d', $m).':'.sprintf('%02d', $s).']';
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						|
                } else {
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                    $timeInfo = api_convert_and_format_date(
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						|
                        $row['start_date'],
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                        DATE_TIME_FORMAT_LONG
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                    );
 | 
						|
                }
 | 
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                $array = [
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						|
                    $row['firstname'],
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						|
                    $row['lastname'],
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						|
                    $timeInfo,
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						|
                    $row['count_questions'],
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                    round($row['score'] * 100).'%',
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						|
                ];
 | 
						|
                $response->rows[$i]['cell'] = $array;
 | 
						|
                $i++;
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            }
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        }
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        echo json_encode($response);
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						|
        break;
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						|
    case 'update_exercise_list_order':
 | 
						|
        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
 | 
						|
            $sql = "DELETE FROM $table WHERE session_id = $session_id AND c_id = $course_id";
 | 
						|
            Database::query($sql);
 | 
						|
            // Insert all
 | 
						|
            foreach ($new_list as $new_order_id) {
 | 
						|
                Database::insert(
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						|
                    $table,
 | 
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                    [
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						|
                        'exercise_order' => $counter,
 | 
						|
                        'session_id' => $session_id,
 | 
						|
                        'exercise_id' => (int) $new_order_id,
 | 
						|
                        'c_id' => $course_id,
 | 
						|
                    ]
 | 
						|
                );
 | 
						|
                $counter++;
 | 
						|
            }
 | 
						|
            echo Display::return_message(get_lang('Saved..'), 'confirmation');
 | 
						|
        }
 | 
						|
        break;
 | 
						|
    case 'update_question_order':
 | 
						|
        $course_info = api_get_course_info_by_id($course_id);
 | 
						|
        $course_id = $course_info['real_id'];
 | 
						|
        $exercise_id = isset($_REQUEST['exercise_id']) ? (int) $_REQUEST['exercise_id'] : null;
 | 
						|
 | 
						|
        if (empty($exercise_id)) {
 | 
						|
            return Display::return_message(get_lang('Error'), '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,
 | 
						|
                    ['question_order' => $counter],
 | 
						|
                    [
 | 
						|
                        'question_id = ? AND c_id = ? AND quiz_id = ? ' => [
 | 
						|
                            (int) $new_order_id,
 | 
						|
                            $course_id,
 | 
						|
                            $exercise_id,
 | 
						|
                        ],
 | 
						|
                    ]
 | 
						|
                )
 | 
						|
                ;
 | 
						|
                $counter++;
 | 
						|
            }
 | 
						|
            echo Display::return_message(get_lang('Saved..'), 'confirmation');
 | 
						|
        }
 | 
						|
        break;
 | 
						|
    case 'add_question_to_reminder':
 | 
						|
        /** @var Exercise $objExercise */
 | 
						|
        $objExercise = Session::read('objExercise');
 | 
						|
 | 
						|
        if (empty($objExercise) || empty($exeId)) {
 | 
						|
            echo 0;
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
            $option = isset($_GET['option']) ? $_GET['option'] : '';
 | 
						|
            switch ($option) {
 | 
						|
                case 'add_all':
 | 
						|
                    $questionListInSession = Session::read('questionList');
 | 
						|
                $objExercise->addAllQuestionToRemind($exeId, $questionListInSession);
 | 
						|
                    break;
 | 
						|
                case 'remove_all':
 | 
						|
                $objExercise->removeAllQuestionToRemind($exeId);
 | 
						|
                    break;
 | 
						|
                default:
 | 
						|
                    $objExercise->editQuestionToRemind(
 | 
						|
                        $exeId,
 | 
						|
                        $_REQUEST['question_id'],
 | 
						|
                        $_REQUEST['action']
 | 
						|
                    );
 | 
						|
                    break;
 | 
						|
            }
 | 
						|
        echo 1;
 | 
						|
        exit;
 | 
						|
        break;
 | 
						|
    case 'check_answers':
 | 
						|
        if (false === api_is_allowed_to_session_edit()) {
 | 
						|
            echo 'error';
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        /** @var Exercise $objExercise */
 | 
						|
        $objExercise = Session::read('objExercise');
 | 
						|
        $questionList = Session::read('questionList');
 | 
						|
        $exeId = Session::read('exe_id');
 | 
						|
 | 
						|
        // If exercise or question is not set then exit.
 | 
						|
        if (empty($questionList) || empty($objExercise)) {
 | 
						|
            echo 'error';
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        $statInfo = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
 | 
						|
 | 
						|
        echo Display::page_subheader(get_lang('QuestionsToReview'));
 | 
						|
        echo $objExercise->getReminderTable($questionList, $statInfo, true);
 | 
						|
        break;
 | 
						|
    case 'save_exercise_by_now':
 | 
						|
        $course_info = api_get_course_info_by_id($course_id);
 | 
						|
        $course_id = $course_info['real_id'];
 | 
						|
 | 
						|
        // Use have permissions to edit exercises results now?
 | 
						|
        if (false === api_is_allowed_to_session_edit()) {
 | 
						|
            echo 'error';
 | 
						|
            if ($debug) {
 | 
						|
                error_log(
 | 
						|
                    'Exercises attempt '.$exeId.': Failed saving question(s) in course/session '.
 | 
						|
                    $course_id.'/'.$session_id.
 | 
						|
                    ': The user ('.api_get_user_id().') does not have the permission to access this session now'
 | 
						|
                );
 | 
						|
            }
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
        // "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'] : [];
 | 
						|
 | 
						|
        // certainty degree choice
 | 
						|
        $choiceDegreeCertainty = $_REQUEST['choiceDegreeCertainty'] ?? [];
 | 
						|
 | 
						|
        // Hot spot coordinates from all questions.
 | 
						|
        $hot_spot_coordinates = isset($_REQUEST['hotspot']) ? $_REQUEST['hotspot'] : [];
 | 
						|
 | 
						|
        // There is a reminder?
 | 
						|
        $remind_list = isset($_REQUEST['remind_list']) && !empty($_REQUEST['remind_list'])
 | 
						|
            ? array_keys($_REQUEST['remind_list']) : [];
 | 
						|
 | 
						|
        // Needed in manage_answer.
 | 
						|
        $learnpath_id = isset($_REQUEST['learnpath_id']) ? (int) $_REQUEST['learnpath_id'] : 0;
 | 
						|
        $learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? (int) $_REQUEST['learnpath_item_id'] : 0;
 | 
						|
 | 
						|
        // Attempt id.
 | 
						|
        if ($debug) {
 | 
						|
            error_log("exe_id = $exeId");
 | 
						|
            error_log("type = $type");
 | 
						|
            error_log('choice = '.print_r($choice, 1).' ');
 | 
						|
            error_log('hot_spot_coordinates = '.print_r($hot_spot_coordinates, 1));
 | 
						|
            error_log('remind_list = '.print_r($remind_list, 1));
 | 
						|
            error_log('--------------------------------');
 | 
						|
        }
 | 
						|
 | 
						|
        // Exercise information.
 | 
						|
        /** @var Exercise $objExercise */
 | 
						|
        $objExercise = Session::read('objExercise');
 | 
						|
 | 
						|
        // Question info.
 | 
						|
        $question_id = isset($_REQUEST['question_id']) ? (int) $_REQUEST['question_id'] : null;
 | 
						|
        $question_list = Session::read('questionList');
 | 
						|
 | 
						|
        // If exercise or question is not set then exit.
 | 
						|
        if (empty($question_list) || empty($objExercise)) {
 | 
						|
            echo 'error';
 | 
						|
            if ($debug) {
 | 
						|
                if (empty($question_list)) {
 | 
						|
                    error_log('question_list is empty');
 | 
						|
                }
 | 
						|
                if (empty($objExercise)) {
 | 
						|
                    error_log('objExercise is empty');
 | 
						|
                }
 | 
						|
            }
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        if (WhispeakAuthPlugin::questionRequireAuthentify($question_id)) {
 | 
						|
            if (ONE_PER_PAGE == $objExercise->type) {
 | 
						|
                echo 'one_per_page';
 | 
						|
                break;
 | 
						|
            }
 | 
						|
 | 
						|
            echo 'ok';
 | 
						|
            break;
 | 
						|
        } else {
 | 
						|
            ChamiloSession::erase(WhispeakAuthPlugin::SESSION_QUIZ_QUESTION);
 | 
						|
        }
 | 
						|
 | 
						|
        // Getting information of the current exercise.
 | 
						|
        $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
 | 
						|
        $exercise_id = $exercise_stat_info['exe_exo_id'];
 | 
						|
        $attemptList = [];
 | 
						|
 | 
						|
        // First time here we create an attempt (getting the exe_id).
 | 
						|
        if (!empty($exercise_stat_info)) {
 | 
						|
            // We know the user we get the exe_id.
 | 
						|
            $exeId = $exercise_stat_info['exe_id'];
 | 
						|
            $total_score = $exercise_stat_info['score'];
 | 
						|
 | 
						|
            // Getting the list of attempts
 | 
						|
            $attemptList = Event::getAllExerciseEventByExeId($exeId);
 | 
						|
        }
 | 
						|
 | 
						|
        // No exe id? Can't save answer.
 | 
						|
        if (empty($exeId)) {
 | 
						|
            // Fires an error.
 | 
						|
            echo 'error';
 | 
						|
            if ($debug) {
 | 
						|
                error_log('exe_id is empty');
 | 
						|
            }
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        Session::write('exe_id', $exeId);
 | 
						|
 | 
						|
        // Updating Reminder algorithm.
 | 
						|
        if (ONE_PER_PAGE == $objExercise->type) {
 | 
						|
            $bd_reminder_list = explode(',', $exercise_stat_info['questions_to_check']);
 | 
						|
            if (empty($remind_list)) {
 | 
						|
                $remind_list = $bd_reminder_list;
 | 
						|
                $new_list = [];
 | 
						|
                foreach ($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;
 | 
						|
                }
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Getting the total weight if the request is simple.
 | 
						|
        $total_weight = 0;
 | 
						|
        if ('simple' === $type) {
 | 
						|
            foreach ($question_list as $my_question_id) {
 | 
						|
                $objQuestionTmp = Question::read($my_question_id, $objExercise->course);
 | 
						|
                $total_weight += $objQuestionTmp->selectWeighting();
 | 
						|
            }
 | 
						|
        }
 | 
						|
        unset($objQuestionTmp);
 | 
						|
        if ($debug) {
 | 
						|
            error_log('Starting questions loop in save_exercise_by_now');
 | 
						|
        }
 | 
						|
 | 
						|
        // Check we have at least one non-empty answer in the array
 | 
						|
        // provided by the user's click on the "Finish test" button.
 | 
						|
        if ('all' === $type) {
 | 
						|
            $atLeastOneAnswer = false;
 | 
						|
            foreach ($question_list as $my_question_id) {
 | 
						|
                if (!empty($choice[$my_question_id])) {
 | 
						|
                    $atLeastOneAnswer = true;
 | 
						|
                    break;
 | 
						|
                }
 | 
						|
            }
 | 
						|
            if (!$atLeastOneAnswer) {
 | 
						|
                error_log(
 | 
						|
                    'In '.__FILE__.'::action save_exercise_by_now,'.
 | 
						|
                    ' from user '.api_get_user_id().
 | 
						|
                    ' for track_e_exercises.exe_id = '.$exeId.
 | 
						|
                    ', we received an empty set of answers.'.
 | 
						|
                    'Preventing submission to avoid overwriting w/ null.');
 | 
						|
                echo 'error';
 | 
						|
                exit;
 | 
						|
            }
 | 
						|
        }
 | 
						|
 | 
						|
        // Looping the question list from database (not from the user answer)
 | 
						|
        foreach ($question_list as $my_question_id) {
 | 
						|
            if ('simple' === $type && $question_id != $my_question_id) {
 | 
						|
                if ($debug) {
 | 
						|
                    error_log('Skipping question '.$my_question_id.' in single-question save action');
 | 
						|
                }
 | 
						|
                continue;
 | 
						|
            }
 | 
						|
 | 
						|
            $my_choice = isset($choice[$my_question_id]) ? $choice[$my_question_id] : null;
 | 
						|
 | 
						|
            $objQuestionTmp = Question::read($my_question_id, $objExercise->course);
 | 
						|
 | 
						|
            $myChoiceDegreeCertainty = null;
 | 
						|
            if (MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY === $objQuestionTmp->type) {
 | 
						|
                if (isset($choiceDegreeCertainty[$my_question_id])) {
 | 
						|
                    $myChoiceDegreeCertainty = $choiceDegreeCertainty[$my_question_id];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // Getting free choice data.
 | 
						|
            if (in_array($objQuestionTmp->type, [FREE_ANSWER, ORAL_EXPRESSION]) && 'all' == $type) {
 | 
						|
                $my_choice = isset($_REQUEST['free_choice'][$my_question_id]) && !empty($_REQUEST['free_choice'][$my_question_id])
 | 
						|
                    ? $_REQUEST['free_choice'][$my_question_id]
 | 
						|
                    : null;
 | 
						|
            }
 | 
						|
 | 
						|
            if ('all' === $type) {
 | 
						|
                // If saving the whole exercise (not only one question),
 | 
						|
                // record the sum of individual max scores (called
 | 
						|
                // "exe_weighting" in track_e_exercises)
 | 
						|
                $total_weight += $objQuestionTmp->selectWeighting();
 | 
						|
            }
 | 
						|
 | 
						|
            // This variable came from exercise_submit_modal.php.
 | 
						|
            $hotspot_delineation_result = null;
 | 
						|
            if (isset($_SESSION['hotspot_delineation_result']) &&
 | 
						|
                isset($_SESSION['hotspot_delineation_result'][$objExercise->getId()])
 | 
						|
            ) {
 | 
						|
                $hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->getId()][$my_question_id];
 | 
						|
            }
 | 
						|
 | 
						|
            if ('simple' === $type) {
 | 
						|
                // Getting old attempt in order to decrease the total score.
 | 
						|
                $old_result = $objExercise->manage_answer(
 | 
						|
                    $exeId,
 | 
						|
                    $my_question_id,
 | 
						|
                    null,
 | 
						|
                    'exercise_show',
 | 
						|
                    [],
 | 
						|
                    false,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    $objExercise->selectPropagateNeg()
 | 
						|
                );
 | 
						|
                // Removing old score.
 | 
						|
                $total_score = $total_score - $old_result['score'];
 | 
						|
            }
 | 
						|
 | 
						|
            $questionDuration = 0;
 | 
						|
            if (api_get_configuration_value('allow_time_per_question')) {
 | 
						|
                $extraFieldValue = new ExtraFieldValue('question');
 | 
						|
                $value = $extraFieldValue->get_values_by_handler_and_field_variable($objQuestionTmp->iid, 'time');
 | 
						|
                if (!empty($value) && isset($value['value']) && !empty($value['value'])) {
 | 
						|
                    $questionDuration = Event::getAttemptQuestionDuration($exeId, $objQuestionTmp->iid);
 | 
						|
                    if (empty($questionDuration)) {
 | 
						|
                        echo 'error';
 | 
						|
                        if ($debug) {
 | 
						|
                            error_log("Question duration = 0, in exeId: $exeId, question_id: $my_question_id");
 | 
						|
                        }
 | 
						|
                        exit;
 | 
						|
                    }
 | 
						|
                }
 | 
						|
            }
 | 
						|
            // Deleting old attempt.
 | 
						|
            if (isset($attemptList) && !empty($attemptList[$my_question_id])) {
 | 
						|
                if ($debug) {
 | 
						|
                    error_log("delete_attempt exe_id : $exeId, my_question_id: $my_question_id");
 | 
						|
                }
 | 
						|
                Event::delete_attempt(
 | 
						|
                    $exeId,
 | 
						|
                    api_get_user_id(),
 | 
						|
                    $course_id,
 | 
						|
                    $session_id,
 | 
						|
                    $my_question_id
 | 
						|
                );
 | 
						|
                if (HOT_SPOT === $objQuestionTmp->type) {
 | 
						|
                    Event::delete_attempt_hotspot(
 | 
						|
                        $exeId,
 | 
						|
                        api_get_user_id(),
 | 
						|
                        $course_id,
 | 
						|
                        $session_id,
 | 
						|
                        $my_question_id
 | 
						|
                    );
 | 
						|
                }
 | 
						|
 | 
						|
                if (isset($attemptList[$my_question_id]) &&
 | 
						|
                    isset($attemptList[$my_question_id]['marks'])
 | 
						|
                ) {
 | 
						|
                    $total_score -= $attemptList[$my_question_id]['marks'];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            // We're inside *one* question. Go through each possible answer for this question
 | 
						|
            if (MULTIPLE_ANSWER_TRUE_FALSE_DEGREE_CERTAINTY === $objQuestionTmp->type) {
 | 
						|
                $myChoiceTmp = [];
 | 
						|
                $myChoiceTmp['choice'] = $my_choice;
 | 
						|
                $myChoiceTmp['choiceDegreeCertainty'] = $myChoiceDegreeCertainty;
 | 
						|
                $result = $objExercise->manage_answer(
 | 
						|
                    $exeId,
 | 
						|
                    $my_question_id,
 | 
						|
                    $myChoiceTmp,
 | 
						|
                    'exercise_result',
 | 
						|
                    $hot_spot_coordinates,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    false,
 | 
						|
                    $objExercise->selectPropagateNeg(),
 | 
						|
                    $hotspot_delineation_result,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    false,
 | 
						|
                    $questionDuration
 | 
						|
                );
 | 
						|
            } else {
 | 
						|
                $result = $objExercise->manage_answer(
 | 
						|
                    $exeId,
 | 
						|
                    $my_question_id,
 | 
						|
                    $my_choice,
 | 
						|
                    'exercise_result',
 | 
						|
                    $hot_spot_coordinates,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    false,
 | 
						|
                    $objExercise->selectPropagateNeg(),
 | 
						|
                    $hotspot_delineation_result,
 | 
						|
                    true,
 | 
						|
                    false,
 | 
						|
                    false,
 | 
						|
                    $questionDuration
 | 
						|
                );
 | 
						|
            }
 | 
						|
 | 
						|
            //  Adding the new score.
 | 
						|
            $total_score += $result['score'];
 | 
						|
 | 
						|
            if ($debug) {
 | 
						|
                error_log("total_score: $total_score ");
 | 
						|
                error_log("total_weight: $total_weight ");
 | 
						|
            }
 | 
						|
 | 
						|
            $duration = 0;
 | 
						|
            $now = time();
 | 
						|
            if ('all' == $type) {
 | 
						|
                $exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exeId);
 | 
						|
            }
 | 
						|
 | 
						|
            $key = ExerciseLib::get_time_control_key(
 | 
						|
                $exercise_id,
 | 
						|
                $exercise_stat_info['orig_lp_id'],
 | 
						|
                $exercise_stat_info['orig_lp_item_id']
 | 
						|
            );
 | 
						|
 | 
						|
            $durationTime = Session::read('duration_time');
 | 
						|
            if (isset($durationTime[$key]) && !empty($durationTime[$key])) {
 | 
						|
                if ($debug) {
 | 
						|
                    error_log('Session time :'.$durationTime[$key]);
 | 
						|
                }
 | 
						|
                $duration = $now - $durationTime[$key];
 | 
						|
                if (!empty($exercise_stat_info['exe_duration'])) {
 | 
						|
                    $duration += $exercise_stat_info['exe_duration'];
 | 
						|
                }
 | 
						|
                $duration = (int) $duration;
 | 
						|
            } else {
 | 
						|
                if (!empty($exercise_stat_info['exe_duration'])) {
 | 
						|
                    $duration = $exercise_stat_info['exe_duration'];
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            if ($debug) {
 | 
						|
                error_log('duration to save in DB:'.$duration);
 | 
						|
            }
 | 
						|
 | 
						|
            Session::write('duration_time', [$key => $now]);
 | 
						|
            Event::updateEventExercise(
 | 
						|
                $exeId,
 | 
						|
                $objExercise->getId(),
 | 
						|
                $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,
 | 
						|
                $question_list,
 | 
						|
                'incomplete',
 | 
						|
                $remind_list
 | 
						|
            );
 | 
						|
 | 
						|
            if (api_get_configuration_value('allow_time_per_question')) {
 | 
						|
                $questionStart = Session::read('question_start', []);
 | 
						|
                if (!empty($questionStart)) {
 | 
						|
                    if (isset($questionStart[$my_question_id])) {
 | 
						|
                        unset($questionStart[$my_question_id]);
 | 
						|
                    }
 | 
						|
                    array_filter($questionStart);
 | 
						|
                    Session::write('question_start', $questionStart);
 | 
						|
                }
 | 
						|
            }
 | 
						|
 | 
						|
            /*HookQuizQuestionAnswered::create()
 | 
						|
                ->setEventData(
 | 
						|
                    [
 | 
						|
                        'exe_id' => (int) $exeId,
 | 
						|
                        'quiz' => [
 | 
						|
                            'id' => (int) $objExercise->id,
 | 
						|
                            'title' => $objExercise->selectTitle(true),
 | 
						|
                        ],
 | 
						|
                        'question' => [
 | 
						|
                            'id' => (int) $my_question_id,
 | 
						|
                            'weight' => (float) $result['weight'],
 | 
						|
                        ],
 | 
						|
                    ]
 | 
						|
                )
 | 
						|
                ->notifyQuizQuestionAnswered();*/
 | 
						|
            // Destruction of the Question object
 | 
						|
            unset($objQuestionTmp);
 | 
						|
            if ($debug) {
 | 
						|
                error_log('---------- end question ------------');
 | 
						|
            }
 | 
						|
        }
 | 
						|
        if ($debug) {
 | 
						|
            error_log('Finished questions loop in save_exercise_by_now');
 | 
						|
        }
 | 
						|
        if ('all' === $type) {
 | 
						|
            if ($debug) {
 | 
						|
                error_log("result: ok - all");
 | 
						|
                error_log(" ------ end ajax call ------- ");
 | 
						|
            }
 | 
						|
            echo 'ok';
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        if (ONE_PER_PAGE == $objExercise->type) {
 | 
						|
            if ($debug) {
 | 
						|
                error_log('result: one_per_page');
 | 
						|
                error_log(' ------ end ajax call ------- ');
 | 
						|
            }
 | 
						|
            echo 'one_per_page';
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
        if ($debug) {
 | 
						|
            error_log('result: ok');
 | 
						|
            error_log(' ------ end ajax call ------- ');
 | 
						|
        }
 | 
						|
        echo 'ok';
 | 
						|
        break;
 | 
						|
    case 'show_question':
 | 
						|
        $isAllowedToEdit = api_is_allowed_to_edit(null, true, false, false);
 | 
						|
 | 
						|
        if (!$isAllowedToEdit) {
 | 
						|
            api_not_allowed(true);
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        $questionId = isset($_GET['question']) ? (int) $_GET['question'] : 0;
 | 
						|
        $exerciseId = isset($_REQUEST['exercise']) ? (int) $_REQUEST['exercise'] : 0;
 | 
						|
 | 
						|
        if (!$questionId || !$exerciseId) {
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
        $objExercise = new Exercise();
 | 
						|
        $objExercise->read($exerciseId);
 | 
						|
        $objQuestion = Question::read($questionId);
 | 
						|
        $id = '';
 | 
						|
        if (api_get_configuration_value('show_question_id')) {
 | 
						|
            $id = '<h4>#'.$objQuestion->course['code'].'-'.$objQuestion->iid.'</h4>';
 | 
						|
        }
 | 
						|
        echo $id;
 | 
						|
        echo '<p class="lead">'.$objQuestion->get_question_type_name().'</p>';
 | 
						|
        if (FILL_IN_BLANKS === $objQuestion->type) {
 | 
						|
            echo '<script>
 | 
						|
                $(function() {
 | 
						|
                    $(".selectpicker").selectpicker({});
 | 
						|
                });
 | 
						|
            </script>';
 | 
						|
        }
 | 
						|
 | 
						|
        // Allows render MathJax elements in a ajax call
 | 
						|
        if ('true' === api_get_setting('include_asciimathml_script')) {
 | 
						|
            echo '<script> MathJax.Hub.Queue(["Typeset",MathJax.Hub]);</script>';
 | 
						|
        }
 | 
						|
 | 
						|
        ExerciseLib::showQuestion(
 | 
						|
            $objExercise,
 | 
						|
            $questionId,
 | 
						|
            false,
 | 
						|
            null,
 | 
						|
            null,
 | 
						|
            false,
 | 
						|
            true,
 | 
						|
            false,
 | 
						|
            true,
 | 
						|
            true
 | 
						|
        );
 | 
						|
        break;
 | 
						|
    case 'get_quiz_embeddable':
 | 
						|
        $exercises = ExerciseLib::get_all_exercises_for_course_id(
 | 
						|
            api_get_course_info(),
 | 
						|
            api_get_session_id(),
 | 
						|
            api_get_course_int_id(),
 | 
						|
            false
 | 
						|
        );
 | 
						|
 | 
						|
        $exercises = array_filter(
 | 
						|
            $exercises,
 | 
						|
            function (array $exercise) {
 | 
						|
                return ExerciseLib::isQuizEmbeddable($exercise);
 | 
						|
            }
 | 
						|
        );
 | 
						|
 | 
						|
        $result = [];
 | 
						|
 | 
						|
        $codePath = api_get_path(WEB_CODE_PATH);
 | 
						|
 | 
						|
        foreach ($exercises as $exercise) {
 | 
						|
            $title = Security::remove_XSS(api_html_entity_decode($exercise['title']));
 | 
						|
 | 
						|
            $result[] = [
 | 
						|
                'id' => $exercise['iid'],
 | 
						|
                'title' => strip_tags($title),
 | 
						|
            ];
 | 
						|
        }
 | 
						|
 | 
						|
        header('Content-Type: application/json');
 | 
						|
        echo json_encode($result);
 | 
						|
        break;
 | 
						|
    case 'browser_test':
 | 
						|
        $quizCheckButtonEnabled = api_get_configuration_value('quiz_check_button_enable');
 | 
						|
 | 
						|
        if ($quizCheckButtonEnabled) {
 | 
						|
            if (isset($_POST['sleep'])) {
 | 
						|
                sleep(2);
 | 
						|
            }
 | 
						|
 | 
						|
            echo 'ok';
 | 
						|
        }
 | 
						|
 | 
						|
        break;
 | 
						|
    case 'quiz_confirm_saved_answers':
 | 
						|
        if (false === api_get_configuration_value('quiz_confirm_saved_answers')) {
 | 
						|
            break;
 | 
						|
        }
 | 
						|
 | 
						|
        $trackConfirmationId = isset($_POST['tc_id']) ? (int) $_POST['tc_id'] : 0;
 | 
						|
        $cId = api_get_course_int_id();
 | 
						|
        $sessionId = api_get_session_id();
 | 
						|
        $userId = api_get_user_id();
 | 
						|
        $confirmed = !empty($_POST['quiz_confirm_saved_answers_check']);
 | 
						|
 | 
						|
        $em = Database::getManager();
 | 
						|
        $repo = $em->getRepository(TrackEExerciseConfirmation::class);
 | 
						|
 | 
						|
        try {
 | 
						|
            if (!$trackConfirmationId) {
 | 
						|
                throw new Exception(get_lang('ErrorOccurred'));
 | 
						|
            }
 | 
						|
 | 
						|
            /** @var TrackEExerciseConfirmation $trackConfirmation */
 | 
						|
            $trackConfirmation = $repo->findOneBy(
 | 
						|
                [
 | 
						|
                    'id' => $trackConfirmationId,
 | 
						|
                    'userId' => $userId,
 | 
						|
                    'courseId' => $cId,
 | 
						|
                    'sessionId' => $sessionId,
 | 
						|
                ],
 | 
						|
                ['createdAt' => 'DESC']
 | 
						|
            );
 | 
						|
 | 
						|
            if (!$trackConfirmation) {
 | 
						|
                throw new Exception(get_lang('NotFound'));
 | 
						|
            }
 | 
						|
 | 
						|
            $trackConfirmation
 | 
						|
                ->setConfirmed($confirmed)
 | 
						|
                ->setUpdatedAt(api_get_utc_datetime(null, false, true));
 | 
						|
 | 
						|
            $em->persist($trackConfirmation);
 | 
						|
            $em->flush();
 | 
						|
 | 
						|
            http_response_code(200);
 | 
						|
        } catch (Exception $exception) {
 | 
						|
            http_response_code(500);
 | 
						|
 | 
						|
            echo Display::return_message($exception->getMessage(), 'error');
 | 
						|
        }
 | 
						|
 | 
						|
        break;
 | 
						|
    case 'sign_attempt':
 | 
						|
        api_block_anonymous_users();
 | 
						|
        if ('true' !== api_get_plugin_setting('exercise_signature', 'tool_enable')) {
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        $file = isset($_REQUEST['file']) ? $_REQUEST['file'] : '';
 | 
						|
        if (empty($exeId) || empty($file)) {
 | 
						|
            echo 0;
 | 
						|
            exit;
 | 
						|
        }
 | 
						|
 | 
						|
        $file = str_replace(' ', '+', $file);
 | 
						|
        $track = ExerciseLib::get_exercise_track_exercise_info($exeId);
 | 
						|
        if ($track) {
 | 
						|
            $result = ExerciseSignaturePlugin::saveSignature($currentUserId, $track, $file);
 | 
						|
            if ($result) {
 | 
						|
                echo 1;
 | 
						|
                exit;
 | 
						|
            }
 | 
						|
        }
 | 
						|
        echo 0;
 | 
						|
        break;
 | 
						|
    default:
 | 
						|
        echo '';
 | 
						|
}
 | 
						|
exit;
 | 
						|
 |