Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/public/main/inc/ajax/exercise.ajax.php

1071 lines
39 KiB

<?php
/* For licensing terms, see /license.txt */
use Chamilo\CoreBundle\Entity\TrackEExerciseConfirmation;
use Chamilo\CoreBundle\Entity\TrackEExercises;
use ChamiloSession as Session;
require_once __DIR__.'/../global.inc.php';
$current_course_tool = TOOL_QUIZ;
$debug = true;
api_protect_course_script(true);
$action = $_REQUEST['a'];
$course_id = api_get_course_int_id();
$session_id = isset($_REQUEST['session_id']) ? (int) $_REQUEST['session_id'] : api_get_session_id();
$course_code = isset($_REQUEST['cidReq']) ? $_REQUEST['cidReq'] : api_get_course_id();
$currentUserId = api_get_user_id();
$exeId = isset($_REQUEST['exe_id']) ? $_REQUEST['exe_id'] : 0;
switch ($action) {
case 'get_exercise_by_course':
$course_id = (isset($_GET['course_id']) && !empty($_GET['course_id'])) ? (int) $_GET['course_id'] : 0;
$session_id = (!empty($_GET['session_id'])) ? (int) $_GET['session_id'] : 0;
$data = [];
$onlyActiveExercises = !(api_is_platform_admin(true) || api_is_course_admin());
$results = ExerciseLib::get_all_exercises_for_course_id(
null,
$session_id,
$course_id,
$onlyActiveExercises
);
if (!empty($results)) {
foreach ($results as $exercise) {
$data[] = ['id' => $exercise['id'], 'text' => html_entity_decode($exercise['title'])];
}
}
echo json_encode($data);
break;
case 'update_duration':
if (Session::read('login_as')) {
if ($debug) {
error_log("User is 'login as' don't update duration time.");
}
exit;
}
if (empty($exeId)) {
if ($debug) {
error_log('Exe id not provided.');
}
exit;
}
/** @var Exercise $exerciseInSession */
$exerciseInSession = Session::read('objExercise');
if (empty($exerciseInSession)) {
if ($debug) {
error_log('Exercise obj not provided.');
}
exit;
}
// If exercise was updated x seconds before, then don't updated duration.
$onlyUpdateValue = 10;
$em = Database::getManager();
/** @var TrackEExercises $attempt */
$attempt = $em->getRepository(TrackEExercises::class)->find($exeId);
if (empty($attempt)) {
if ($debug) {
error_log("Attempt #$exeId doesn't exists.");
}
exit;
}
$nowObject = api_get_utc_datetime(null, false, true);
$now = $nowObject->getTimestamp();
$exerciseId = $attempt->getExeExoId();
$userId = $attempt->getExeUserId();
if ($userId != $currentUserId) {
if ($debug) {
error_log("User $currentUserId trying to change time for user $userId");
}
exit;
}
if ($exerciseInSession->iId !== $exerciseId) {
if ($debug) {
error_log('Cannot update, exercise are different.');
}
exit;
}
if ('incomplete' !== $attempt->getStatus()) {
if ($debug) {
error_log('Cannot update exercise is already completed.');
}
exit;
}
// Check if we are dealing with the same exercise.
$timeWithOutUpdate = $now - $attempt->getExeDate()->getTimestamp();
if ($timeWithOutUpdate > $onlyUpdateValue) {
$key = ExerciseLib::get_time_control_key(
$exerciseId,
$attempt->getOrigLpId(),
$attempt->getOrigLpItemId()
);
$durationFromObject = $attempt->getExeDuration();
$previousTime = Session::read('duration_time_previous');
if (isset($previousTime[$key]) &&
!empty($previousTime[$key])
) {
$sessionTime = $previousTime[$key];
$duration = $sessionTime = $now - $sessionTime;
if (!empty($durationFromObject)) {
$duration += $durationFromObject;
}
$duration = (int) $duration;
if (!empty($duration)) {
if ($debug) {
error_log('Exe_id: #'.$exeId);
error_log("Key: $key");
error_log("Exercise to update: #$exerciseId of user: #$userId");
error_log("Duration time found in DB before update: $durationFromObject");
error_log("Current spent time $sessionTime before an update");
error_log("Accumulate duration to save in DB: $duration");
error_log('End date (UTC) before update: '.$attempt->getExeDate()->format('Y-m-d H:i:s'));
error_log('End date (UTC) to be save in DB: '.$nowObject->format('Y-m-d H:i:s'));
}
$attempt
->setExeDuration($duration)
->setExeDate($nowObject);
$em->persist($attempt);
$em->flush();
}
} else {
if ($debug) {
error_log("Nothing to update, 'duration_time_previous' session not set");
error_log("Key: $key");
}
}
} else {
if ($debug) {
error_log("Can't update, time was already updated $timeWithOutUpdate seconds ago");
}
}
break;
case 'get_live_stats':
if (!api_is_allowed_to_edit(null, true)) {
break;
}
// 1. Setting variables needed by jqgrid
$exercise_id = (int) $_GET['exercise_id'];
$page = (int) $_REQUEST['page']; //page
$limit = (int) $_REQUEST['rows']; //quantity of rows
$sidx = $_REQUEST['sidx']; //index to filter
$sord = $_REQUEST['sord']; //asc or desc
if (!in_array($sord, ['asc', 'desc'])) {
$sord = 'desc';
}
// get index row - i.e. user click to sort $sord = $_GET['sord'];
// get the direction
if (!$sidx) {
$sidx = 1;
}
$track_exercise = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
$user_table = Database::get_main_table(TABLE_MAIN_USER);
$track_attempt = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$minutes = (int) $_REQUEST['minutes'];
$now = time() - 60 * $minutes;
$now = api_get_utc_datetime($now);
$where_condition = " orig_lp_id = 0 AND exe_exo_id = $exercise_id AND start_date > '$now' ";
$sql = "SELECT COUNT(DISTINCT exe_id)
FROM $track_exercise
WHERE $where_condition ";
$result = Database::query($sql);
$count = Database::fetch_row($result);
$count = $count[0];
//3. Calculating first, end, etc
$total_pages = 0;
if ($count > 0) {
if (!empty($limit)) {
$total_pages = ceil($count / $limit);
}
}
if ($page > $total_pages) {
$page = $total_pages;
}
$start = $limit * $page - $limit;
if ($start < 0) {
$start = 0;
}
$sql = "SELECT
exe_id,
exe_user_id,
firstname,
lastname,
aa.status,
start_date,
max_score,
score/max_score as score,
exe_duration,
questions_to_check,
orig_lp_id
FROM $user_table u
INNER JOIN (
SELECT
t.exe_id,
t.exe_user_id,
status,
start_date,
max_score,
score/max_score as score,
exe_duration,
questions_to_check,
orig_lp_id
FROM $track_exercise t
LEFT JOIN $track_attempt a
ON (a.exe_id = t.exe_id AND t.exe_user_id = a.user_id)
WHERE t.status = 'incomplete' AND $where_condition
GROUP BY exe_user_id
) as aa
ON aa.exe_user_id = u.id
ORDER BY `$sidx` $sord
LIMIT $start, $limit";
$result = Database::query($sql);
$results = [];
while ($row = Database::fetch_array($result, 'ASSOC')) {
$results[] = $row;
}
$oExe = new Exercise();
$oExe->read($exercise_id);
$response = new stdClass();
$response->page = $page;
$response->total = $total_pages;
$response->records = $count;
$i = 0;
if (!empty($results)) {
foreach ($results as $row) {
$sql = "SELECT SUM(count_question_id) as count_question_id
FROM (
SELECT 1 as count_question_id
FROM $track_attempt a
WHERE
user_id = {$row['exe_user_id']} AND
exe_id = {$row['exe_id']}
GROUP by question_id
) as count_table";
$result_count = Database::query($sql);
$count_questions = Database::fetch_array(
$result_count,
'ASSOC'
);
$count_questions = $count_questions['count_question_id'];
$row['count_questions'] = $count_questions;
$response->rows[$i]['id'] = $row['exe_id'];
if (!empty($oExe->expired_time)) {
$remaining = strtotime($row['start_date']) +
($oExe->expired_time * 60) -
strtotime(api_get_utc_datetime(time()));
$h = floor($remaining / 3600);
$m = floor(($remaining - ($h * 3600)) / 60);
$s = ($remaining - ($h * 3600) - ($m * 60));
$timeInfo = api_convert_and_format_date(
$row['start_date'],
DATE_TIME_FORMAT_LONG
).' ['.($h > 0 ? $h.':' : '').sprintf('%02d', $m).':'.sprintf('%02d', $s).']';
} else {
$timeInfo = api_convert_and_format_date(
$row['start_date'],
DATE_TIME_FORMAT_LONG
);
}
$array = [
$row['firstname'],
$row['lastname'],
$timeInfo,
$row['count_questions'],
round($row['score'] * 100).'%',
];
$response->rows[$i]['cell'] = $array;
$i++;
}
}
echo json_encode($response);
break;
case 'update_exercise_list_order':
if (api_is_allowed_to_edit(null, true)) {
$new_list = $_REQUEST['exercise_list'];
$table = Database::get_course_table(TABLE_QUIZ_ORDER);
$counter = 1;
//Drop all
$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(
$table,
[
'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_question_description':
if (!api_get_configuration_value('allow_quick_question_description_popup')) {
exit;
}
if (!api_is_allowed_to_edit(null, true)) {
exit;
}
/** @var \Exercise $objExercise */
$objExercise = Session::read('objExercise');
if (empty($objExercise)) {
exit;
}
$questionId = isset($_REQUEST['question_id']) ? (int) $_REQUEST['question_id'] : null;
$image = isset($_REQUEST['image']) ? $_REQUEST['image'] : '';
$questionList = $objExercise->getQuestionList();
if (!in_array($questionId, $questionList)) {
echo '0';
exit;
}
$em = Database::getManager();
$repo = $em->getRepository(CQuizQuestion::class);
/** @var CQuizQuestion $question */
$question = $repo->find($questionId);
if (null !== $question) {
$question->setDescription('<img src="'.$image.'" />');
$em->persist($question);
$em->flush();
echo 1;
exit;
}
echo 0;
exit;
break;
case 'save_exercise_by_now':
header('Content-Type: application/json');
$course_info = api_get_course_info_by_id($course_id);
$course_id = $course_info['real_id'];
// Use have permissions to edit exercises results now?
if (false === api_is_allowed_to_session_edit()) {
echo json_encode(['error' => true]);
if ($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) $_REQUEST['learnpath_item_id'] : 0;
if ($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('--------------------------------');
}
/** @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($objExercise)) {
echo json_encode(['error' => true]);
if ($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 json_encode(['type' => 'one_per_page']);
break;
}
echo json_encode(['ok' => true]);
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($exeId)) {
// Fires an error.
echo json_encode(['error' => true]);
if ($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');
}
$now = time();
if ('all' === $type) {
// Check we have at least one non-empty answer in the array
// provided by the user's click on the "Finish test" button.
$atLeastOneAnswer = false;
foreach ($question_list as $my_question_id) {
if (!empty($choice[$my_question_id])) {
$atLeastOneAnswer = true;
break;
}
}
if (!$atLeastOneAnswer) {
// Check if time is over.
if (0 != $objExercise->expired_time) {
$clockExpiredTime = ExerciseLib::get_session_time_control_key(
$objExercise->id,
$learnpath_id,
$learnpath_item_id
);
if (!empty($clockExpiredTime)) {
$timeLeft = api_strtotime($clockExpiredTime, 'UTC') - $now;
if ($timeLeft <= 0) {
// There's no time, but still no answers ...
echo json_encode(['ok' => true, 'savedAnswerMessage' => '']);
exit;
}
}
}
error_log(
'In '.__FILE__.'::action save_exercise_by_now,'.
' from user '.api_get_user_id().
' for track_e_exercises.exe_id = '.$exeId.
', we received an empty set of answers.'.
'Preventing submission to avoid overwriting w/ null.'
);
echo json_encode(['error' => true]);
exit;
}
}
// Looping the question list from database (not from the user answer)
foreach ($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 json_encode(['error' => true]);
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;
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');
}
$questionsCount = count(explode(',', $exercise_stat_info['data_tracking']));
$savedAnswersCount = $objExercise->countUserAnswersSavedInExercise($exeId);
if ($savedAnswersCount !== $questionsCount) {
$savedQuestionsMessage = Display::span(
sprintf(get_lang('%d / %d answers saved.'), $savedAnswersCount, $questionsCount),
['class' => 'text-warning']
);
} else {
$savedQuestionsMessage = Display::span(
sprintf(get_lang('%d / %d answers saved.'), $savedAnswersCount, $questionsCount),
['class' => 'text-success']
);
}
if ('all' === $type) {
if ($debug) {
error_log("result: ok - all");
error_log(" ------ end ajax call ------- ");
}
echo json_encode(['ok' => true, 'savedAnswerMessage' => $savedQuestionsMessage]);
exit;
}
if (ONE_PER_PAGE == $objExercise->type) {
if ($debug) {
error_log('result: one_per_page');
error_log(' ------ end ajax call ------- ');
}
echo json_encode(['type' => 'one_per_page', 'savedAnswerMessage' => $savedQuestionsMessage]);
exit;
}
if ($debug) {
error_log('result: ok');
error_log(' ------ end ajax call ------- ');
}
echo json_encode(['ok' => true, 'savedAnswerMessage' => $savedQuestionsMessage]);
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;