Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/exercice/exercise_result.php

246 lines
9.3 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 'question.class.php';
require_once 'answer.class.php';
// Name of the language file that needs to be included
$language_file='exercice';
require_once '../inc/global.inc.php';
require_once 'exercise.lib.php';
if ($_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';
$this_section = SECTION_COURSES;
/* ACCESS RIGHTS */
api_protect_course_script(true);
// Database table definitions
$main_admin_table = Database::get_main_table(TABLE_MAIN_ADMIN);
if($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 ( $objExercise ) ) { $objExercise = $_SESSION['objExercise'];}
if ( empty ( $remind_list ) ) { $remind_list = $_REQUEST['remind_list'];}
$exe_id = isset($_REQUEST['exe_id']) ? intval($_REQUEST['exe_id']) : 0;
if (empty($objExercise)) {
//Redirect to the exercise overview
//Check if the exe_id exists
$objExercise = new Exercise();
$exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
if (!empty($exercise_stat_info) && isset($exercise_stat_info['exe_exo_id'])) {
header("Location: overview.php?exerciseId=".$exercise_stat_info['exe_exo_id']);
exit;
}
api_not_allowed();
}
$gradebook = '';
if (isset($_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'));
if ($origin != 'learnpath') {
//so we are not in learnpath tool
Display::display_header($nameTools,get_lang('Exercise'));
} else {
Display::display_reduced_header();
}
//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>';
}
$feedback_type = $objExercise->feedbacktype;
$exercise_stat_info = $objExercise->get_stat_track_exercise_info_by_exe_id($exe_id);
if (!empty($exercise_stat_info['data_tracking'])) {
$question_list = explode(',', $exercise_stat_info['data_tracking']);
}
$safe_lp_id = $exercise_stat_info['orig_lp_id'];
$safe_lp_item_id = $exercise_stat_info['orig_lp_item_id'];
$safe_lp_item_view_id = $exercise_stat_info['orig_lp_item_view_id'];
if ($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 $safe_lp_id; ?>" />
<input type="hidden" name="learnpath_item_id" value="<?php echo $safe_lp_item_id; ?>" />
<input type="hidden" name="learnpath_item_view_id" value="<?php echo $safe_lp_item_view_id; ?>" />
<?php
}
$i = $total_score = $total_weight = 0;
//We check if the user attempts before sending to the exercise_result.php
if ($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'), $objExercise->selectTitle(), $objExercise->selectAttempts()), false);
if ($origin != 'learnpath') {
//we are not in learnpath tool
Display::display_footer();
}
exit;
}
}
$user_info = api_get_user_info(api_get_user_id());
if ($show_results || $show_only_score) {
echo $exercise_header = $objExercise->show_exercise_result_header(api_get_person_name($user_info['firstName'], $user_info['lastName']));
}
Display :: display_confirmation_message(get_lang('Saved').'<br />',false);
$counter = 1;
// Loop over all question to show results for each of them, one by one
if (!empty($question_list)) {
foreach ($question_list as $questionId) {
// destruction of the Question object
unset($objQuestionTmp);
// gets the student choice for this question
$choice = $exerciseResult[$questionId];
// creates a temporary Question object
$objQuestionTmp = Question :: read($questionId);
//this variable commes from exercise_submit_modal.php
//$hotspot_delineation_result = $_SESSION['hotspot_delineation_result'][$objExercise->selectId()][$quesId];
if ($show_results) {
// show category
Testcategory::displayCategoryAndTitle($objQuestionTmp->id);
// show titles
echo $objQuestionTmp->return_header($objExercise->feedback_type, $counter);
$counter++;
}
// We're inside *one* question. Go through each possible answer for this question
$result = $objExercise->manage_answer($exercise_stat_info['exe_id'], $questionId, null ,'exercise_result', array(), false, true, $show_results, $objExercise->selectPropagateNeg(), $hotspot_delineation_result);
$total_score += $result['score'];
$total_weight += $result['weight'];
} // end foreach() block that loops over all questions
}
if ($origin != 'learnpath') {
if ($show_results || $show_only_score) {
echo '<div id="question_score">';
echo get_lang('YourTotalScore')." ";
if ($objExercise->selectPropagateNeg() == 0 && $total_score < 0) {
$total_score = 0;
}
echo show_score($total_score, $total_weight, false);
echo '</div>';
}
/* <button type="submit" class="save"><?php echo get_lang('Finish');?></button> */
}
// Tracking of results
// Updates the empty exercise
$quizDuration = (!empty($_SESSION['quizStartTime']) ? time() - $_SESSION['quizStartTime'] : 0);
$feed = $objExercise->feedbacktype;
if (api_is_allowed_to_session_edit()) {
update_event_exercice($exercise_stat_info['exe_id'], $objExercise->selectId(), $total_score, $total_weight, api_get_session_id(), $safe_lp_id, $safe_lp_item_id, $safe_lp_item_view_id, $quiz_duration, $question_list, '');
}
//If is not valid
$session_control_key = get_session_time_control_key($objExercise->id);
if (isset($session_control_key) && !exercise_time_control_is_valid($objExercise->id)) {
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$sql_fraud = "UPDATE $TBL_TRACK_ATTEMPT SET answer = 0, marks=0, position=0 WHERE exe_id = $exe_id ";
Database::query($sql_fraud);
}
//Unset session for clock time
exercise_time_control_delete($objExercise->id);
if ($origin != 'learnpath') {
Display::display_footer();
} else {
$lp_mode = $_SESSION['lp_mode'];
$url = '../newscorm/lp_controller.php?cidReq='.api_get_course_id().'&action=view&lp_id='.$safe_lp_id.'&lp_item_id='.$safe_lp_item_id.'&exeId='.$exercise_stat_info['exe_id'].'&fb_type='.$feed;
//echo $total_score.','.$total_weight; exit;
$href = ($lp_mode == 'fullscreen')?' window.opener.location.href="'.$url.'" ':' top.location.href="'.$url.'" ';
echo '<script language="javascript" type="text/javascript">'.$href.'</script>'."\n";
//record the results in the learning path, using the SCORM interface (API)
echo '<script language="javascript" type="text/javascript">window.parent.API.void_save_asset('.$total_score.','.$total_weight.');</script>'."\n";
echo '</body></html>';
}
// Send notification..
if (!api_is_allowed_to_edit(null,true)) {
$objExercise->send_notification($arrques, $arrans, $origin);
}
if (api_is_allowed_to_session_edit()) {
api_session_unregister('objExercise');
api_session_unregister('exe_id');
}