Chamilo is a learning management system focused on ease of use and accessibility
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 
chamilo-lms/main/exercice/exercise_result.php

303 lines
13 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Exercise result
* This script gets informations from the script "exercise_submit.php",
* through the session, and calculates the score of the student for
* that exercise.
* Then it shows the results on the screen.
* @package chamilo.exercise
* @author Olivier Brouckaert, main author
* @author Roan Embrechts, some refactoring
* @author Julio Montoya Armas switchable fill in blank option added
*
* @todo split more code up in functions, move functions to library?
*/
/**
* Code
*/
require_once 'exercise.class.php';
require_once 'exercise.lib.php';
require_once 'question.class.php';
require_once 'answer.class.php';
// Name of the language file that needs to be included
$language_file='exercice';
require_once '../inc/global.inc.php';
if ($_GET['origin']=='learnpath') {
require_once '../newscorm/learnpath.class.php';
require_once '../newscorm/learnpathItem.class.php';
require_once '../newscorm/scorm.class.php';
require_once '../newscorm/scormItem.class.php';
require_once '../newscorm/aicc.class.php';
require_once '../newscorm/aiccItem.class.php';
}
require_once api_get_path(LIBRARY_PATH).'exercise_show_functions.lib.php';
require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
require_once api_get_path(LIBRARY_PATH).'course.lib.php';
$this_section=SECTION_COURSES;
/* ACCESS RIGHTS */
// notice for unauthorized people.
api_protect_course_script(true);
// Database table definitions
$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_EXERCICES = Database::get_course_table(TABLE_QUIZ_TEST);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$TBL_REPONSES = Database::get_course_table(TABLE_QUIZ_ANSWER);
$TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$main_user_table = Database::get_main_table(TABLE_MAIN_USER);
$main_admin_table = Database::get_main_table(TABLE_MAIN_ADMIN);
$main_course_user_table = Database::get_main_table(TABLE_MAIN_COURSE_USER);
if($debug>0){error_log('Entered exercise_result.php: '.print_r($_POST,1));}
// general parameters passed via POST/GET
if ( empty ( $origin ) ) { $origin = Security::remove_XSS($_REQUEST['origin']);}
if ( empty ( $learnpath_id ) ) { $learnpath_id = intval($_REQUEST['learnpath_id']);}
if ( empty ( $learnpath_item_id ) ) { $learnpath_item_id = intval($_REQUEST['learnpath_item_id']);}
if ( empty ( $learnpath_item_view_id ) ) { $learnpath_item_view_id = intval($_REQUEST['learnpath_item_view_id']);}
if ( empty ( $formSent ) ) { $formSent = $_REQUEST['formSent'];}
if ( empty ( $exerciseResult ) ) { $exerciseResult = $_SESSION['exerciseResult'];}
if ( empty ( $exerciseResultCoordinates)){ $exerciseResultCoordinates = $_SESSION['exerciseResultCoordinates'];}
if ( empty ( $questionId ) ) { $questionId = $_REQUEST['questionId'];}
if ( empty ( $choice ) ) { $choice = $_REQUEST['choice'];}
if ( empty ( $questionNum ) ) { $questionNum = $_REQUEST['questionNum'];}
if ( empty ( $nbrQuestions ) ) { $nbrQuestions = $_REQUEST['nbrQuestions'];}
if ( empty ( $questionList ) ) { $questionList = $_SESSION['questionList'];}
if ( empty ( $objExercise ) ) { $objExercise = $_SESSION['objExercise'];}
if ( empty ( $exerciseType ) ) { $exerciseType = $_REQUEST['exerciseType'];}
//@todo There should be some doc about this settings
$_configuration['live_exercise_tracking'] = false;
if ($_configuration['live_exercise_tracking']) define('ENABLED_LIVE_EXERCISE_TRACKING',1);
if ($_configuration['live_exercise_tracking'] && $exerciseType == 1){
$_configuration['live_exercise_tracking'] = false;
}
$arrques = array();
$arrans = array();
// set admin name as person who sends the results e-mail (lacks policy about whom should really send the results)
$query = "SELECT user_id FROM $main_admin_table LIMIT 1"; //get all admins from admin table
$admin_id = Database::result(Database::query($query),0,"user_id");
$uinfo = api_get_user_info($admin_id);
$from = $uinfo['mail'];
$from_name = api_get_person_name($uinfo['firstname'], $uinfo['lastname'], null, PERSON_NAME_EMAIL_ADDRESS);
$str = $_SERVER['REQUEST_URI'];
$url = api_get_path(WEB_CODE_PATH).'exercice/exercice.php?'.api_get_cidreq().'&show=result';
// if the above variables are empty or incorrect, we don't have any result to show, so stop the script
if (!is_array($exerciseResult) || !is_array($questionList) || !is_object($objExercise)) {
if ($debug) {error_log('Exit exercise result'); error_log('$exerciseResult: '.print_r($exerciseResult,1)); error_log('$questionList:'.print_r($questionList,1));error_log('$objExercise:'.print_r($objExercise,1));}
header('Location: exercice.php');
exit();
}
$gradebook = '';
if (isset($_SESSION['gradebook'])) {
$gradebook= $_SESSION['gradebook'];
}
if (!empty($gradebook) && $gradebook=='view') {
$interbreadcrumb[]= array ('url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('ToolGradebook'));
}
$nameTools = get_lang('Exercice');
$interbreadcrumb[]=array("url" => "exercice.php?gradebook=$gradebook","name" => get_lang('Exercices'));
//$htmlHeadXtra[] = $objExercise->show_lp_javascript();
if ($origin != 'learnpath') {
//so we are not in learnpath tool
Display::display_header($nameTools,get_lang('Exercise'));
} else {
header('Content-Type: text/html; charset='.api_get_system_encoding());
$document_language = api_get_language_isocode();
/* HTML HEADER */
?>
<!DOCTYPE html
PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<?php echo $document_language; ?>" lang="<?php echo $document_language; ?>">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=<?php echo $charset; ?>" />
<link rel="stylesheet" type="text/css" href="<?php echo api_get_path(WEB_CODE_PATH).'css/'.api_get_setting('stylesheets').'/default.css'; ?>" />
</head>
<body dir="<?php echo api_get_text_direction(); ?>">
<?php
}
//Hide results
$show_results = false;
$show_only_score = false;
if ($objExercise->results_disabled == 0) {
$show_results = true;
}
if ($objExercise->results_disabled == 2) {
$show_only_score = true;
}
/* DISPLAY AND MAIN PROCESS */
// I'm in a preview mode as course admin. Display the action menu.
if (api_is_course_admin() && $origin != 'learnpath') {
echo '<div class="actions">';
echo '<a href="admin.php?'.api_get_cidreq().'&exerciseId='.$objExercise->id.'">'.Display::return_icon('back.png', get_lang('GoBackToQuestionList'), array(), 32).'</a>';
echo '<a href="exercise_admin.php?'.api_get_cidreq().'&modifyExercise=yes&exerciseId='.$objExercise->id.'">'.Display::return_icon('edit.png', get_lang('ModifyExercise'), array(), 32).'</a>';
echo '</div>';
}
$exerciseTitle = $objExercise->selectTitle();
$feedback_type = $objExercise->feedbacktype;
//show exercise title
if($origin == 'learnpath') { ?>
<form method="get" action="exercice.php?<?php echo api_get_cidreq() ?>">
<input type="hidden" name="origin" value="<?php echo $origin; ?>" />
<input type="hidden" name="learnpath_id" value="<?php echo $learnpath_id; ?>" />
<input type="hidden" name="learnpath_item_id" value="<?php echo $learnpath_item_id; ?>" />
<input type="hidden" name="learnpath_item_view_id" value="<?php echo $learnpath_item_view_id; ?>" />
<?php
}
$i = $totalScore = $totalWeighting=0;
if ($debug>0){error_log ("ExerciseResult: ".print_r($exerciseResult,1)); error_log("QuestionList: ".print_r($questionList,1));}
$safe_lp_id = $learnpath_id==''?0:(int)$learnpath_id;
$safe_lp_item_id = $learnpath_item_id==''?0:(int)$learnpath_item_id;
$safe_lp_item_view_id = $learnpath_item_view_id==''?0:(int)$learnpath_item_view_id;
//We check if the user attempts before sending to the exercise_result.php
if ($objExercise->selectAttempts() > 0) {
$attempt_count = get_attempt_count(api_get_user_id(), $objExercise->id, $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id);
if ($attempt_count >= $objExercise->selectAttempts()) {
Display :: display_warning_message(sprintf(get_lang('ReachedMaxAttempts'), $exerciseTitle, $objExercise->selectAttempts()), false);
if ($origin != 'learnpath') {
//we are not in learnpath tool
Display::display_footer();
}
exit;
}
}
// Create an empty exercise
if (api_is_allowed_to_session_edit()) {
$exeId = create_event_exercice($objExercise->selectId());
}
$counter=0;
$user_info = api_get_user_info(api_get_user_id());
if ($show_results || $show_only_score) {
echo $exercise_header = $objExercise->show_exercise_result_header(api_get_person_name($user_info['firstName'], $user_info['lastName']));
}
// Loop over all question to show results for each of them, one by one
foreach ($questionList as $questionId) {
// destruction of the Question object
unset($objQuestionTmp);
$counter++;
// gets the student choice for this question
$choice = $exerciseResult[$questionId];
// creates a temporary Question object
$objQuestionTmp = Question :: read($questionId);
// initialize question information
$questionName = $objQuestionTmp->selectTitle();
$questionDescription = $objQuestionTmp->selectDescription();
$questionWeighting = $objQuestionTmp->selectWeighting();
$answerType = $objQuestionTmp->selectType();
$quesId = $objQuestionTmp->selectId();
//this variable commes from exercise_submit_modal.php
$hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$quesId];
if ($show_results) {
// show titles
if ($origin != 'learnpath') {
echo $objQuestionTmp->return_header($objExercise->feedbacktype);
if ($answerType == HOT_SPOT) {
?>
<tr>
<td valign="top" colspan="2">
<table width="552" border="1" bordercolor="#A4A4A4" style="border-collapse: collapse;">
<tr>
<td width="152" valign="top">
<i><?php echo get_lang("CorrectAnswer"); ?></i><br /><br />
</td>
<td width="100" valign="top">
<i><?php echo get_lang('HotspotHit'); ?></i><br /><br />
</td>
<?php if ($objExercise->feedbacktype != EXERCISE_FEEDBACK_TYPE_EXAM) { ?>
<td width="300" valign="top">
<i><?php echo get_lang("Comment"); ?></i><br /><br />
</td>
<?php } else { ?>
<td>&nbsp;</td>
<?php } ?>
</tr>
<?php
}
}
}
// We're inside *one* question. Go through each possible answer for this question
$result = $objExercise->manage_answer($exeId, $questionId, $choice,'exercise_result', $exerciseResultCoordinates, true, false, $show_results, $objExercise->selectPropagateNeg(), $hotspot_delineation_result);
$totalScore += $result['score'];
$totalWeighting += $result['weight'];
} // end foreach() block that loops over all questions
if ($show_results || $show_only_score) {
echo '<div id="question_score">';
echo get_lang('YourTotalScore')." ";
if ($objExercise->selectPropagateNeg() == 0 && $totalScore < 0) {
$totalScore = 0;
}
echo show_score($totalScore, $totalWeighting, false);
echo '</div>';
}
// Tracking of results
// Updates the empty exercise
$quizDuration = (!empty($_SESSION['quizStartTime']) ? time() - $_SESSION['quizStartTime'] : 0);
if (api_is_allowed_to_session_edit() ) {
update_event_exercice($exeId, $objExercise->selectId(), $totalScore, $totalWeighting, api_get_session_id(), $safe_lp_id,$safe_lp_item_id,$safe_lp_item_view_id, $quizDuration, $questionList);
}
if ($origin != 'learnpath') {
Display :: display_normal_message(get_lang('ExerciseFinished').'<br /><a href="exercice.php" />'.get_lang('Back').'</a>',false);
} else {
Display :: display_normal_message(get_lang('ExerciseFinished').'<br /><br />',false);
$lp_mode = $_SESSION['lp_mode'];
$url = '../newscorm/lp_controller.php?cidReq='.api_get_course_id().'&action=view&lp_id='.$learnpath_id.'&lp_item_id='.$learnpath_item_id.'&exeId='.$exeId.'&fb_type='.$objExercise->feedbacktype;
$href = ($lp_mode == 'fullscreen')?' window.opener.location.href="'.$url.'" ':' top.location.href="'.$url.'" ';
echo '<script language="javascript" type="text/javascript">'.$href.'</script>'."\n";
//record the results in the learning path, using the SCORM interface (API)
echo '<script language="javascript" type="text/javascript">window.parent.API.void_save_asset('.$totalScore.','.$totalWeighting.');</script>'."\n";
echo '</body></html>';
}
if ($origin != 'learnpath') {
//we are not in learnpath tool
Display::display_footer();
}
// Send notification..
if (!api_is_allowed_to_edit(null,true)) {
$objExercise->send_notification($arrques, $arrans, $origin);
}