File Source for mark_free

<?php
/*
DOKEOS - elearning and course management software
For a full list of contributors, see documentation/credits.html
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See "documentation/licence.html" more details.
Contact:
Dokeos
Rue des Palais 44 Paleizenstraat
B-1030 Brussels - Belgium
Tel. +32 (2) 211 34 56
*/
/**
* Free answer marking script
* This script allows a course tutor to mark a student's free answer.
* @package dokeos.exercise
* @author Yannick Warnier <yannick.warnier@dokeos.com>
* @version $Id: admin.php 10680 2007-01-11 21:26:23Z pcool $
*
* @todo respect coding guidelines
*/
/*
==============================================================================
INIT SECTION
==============================================================================
*/
// name of the language file that needs to be included
$language_file='exercice';
// name of the language file that needs to be included
include('../inc/global.inc.php');
// including additional libraries
include('exercise.class.php');
include('question.class.php');
include('answer.class.php');
include_once(api_get_library_path().'/text.lib.php');
// answer types
define('UNIQUE_ANSWER', 1);
define('MULTIPLE_ANSWER', 2);
define('FILL_IN_BLANKS', 3);
define('MATCHING', 4);
define('FREE_ANSWER', 5);
/** @todo use the Database:: functions */
$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);
//debug param. 0: no display - 1: debug display
$debug=0;
if($debug>0){echo str_repeat(' ',0).'Entered exercise_result.php'."<br />\n";var_dump($_POST);}
// general parameters passed via POST/GET
$my_course_code = mysql_real_escape_string($_GET['cid']);
if(!empty($_REQUEST['exe'])){
$my_exe = $_REQUEST['exe'];
}else{
$my_exe = null;
}
if(!empty($_REQUEST['qst'])){
$my_qst = $_REQUEST['qst'];
}else{
$my_qst = null;
}
if(!empty($_REQUEST['usr'])){
$my_usr = $_REQUEST['usr'];
}else{
$my_usr = null;
}
if(!empty($_REQUEST['cidReq'])){
$my_cid = $_REQUEST['cidReq'];
}else{
$my_cid = null;
}
if(!empty($_POST['action'])){
$action = $_POST['action'];
}else{
$action = '';
}
if (empty($my_qst) or empty($my_usr) or empty($my_cid) or empty($my_exe)){
header('Location: exercice.php');
exit();
}
if(!$is_courseTutor)
{
api_not_allowed();
}
$obj_question = Question :: read($my_qst);
$nameTools=get_lang('Exercice');
$interbreadcrumb[]=array("url" => "exercice.php","name" => get_lang('Exercices'));
$my_msg = 'No change.';
if($action == 'mark'){
if (!empty($_POST['score']) AND $_POST['score'] < $obj_question->selectWeighting() AND $_POST['score'] >= 0){
//mark the user mark into the database using something similar to the following function:
global $_configuration;
if($_configuration['tracking_enabled'])
{
$exercise_table = Database::get_statistic_table('track_e_exercices');
#$tbl_learnpath_user = Database::get_course_table('learnpath_user');
#global $origin, $tbl_learnpath_user, $learnpath_id, $learnpath_item_id;
$sql = "SELECT * FROM $exercise_table
WHERE exe_user_id = '$my_usr' AND exe_cours_id = '$my_cid' AND exe_exo_id = '$my_exe'
ORDER BY exe_date DESC";
#echo $sql;
$res = api_sql_query($sql,__FILE__,__LINE__);
if(mysql_num_rows($res)>0){
$row = mysql_fetch_array($res);
//@todo Check that just summing past score and the new free answer mark doesn't come up
// with a score higher than the possible score for that exercise
$my_score = $row['exe_result'] + $_POST['score'];
$sql = "UPDATE $exercise_table SET exe_result = '$my_score'
WHERE exe_id = '".$row['exe_id']."'";
#echo $sql;
$res = api_sql_query($sql,__FILE__,__LINE__);
$my_msg = get_lang('MarkIsUpdated');
}else{
$my_score = $_POST['score'];
$reallyNow = time();
$sql = "INSERT INTO $exercise_table
(
`exe_user_id`,
`exe_cours_id`,
`exe_exo_id`,
`exe_result`,
`exe_weighting`,
`exe_date`
)
VALUES
(
".$my_usr.",
'".$my_cid."',
'".$my_exe."',
'".$my_score."',
'".$obj_question->selectWeighting()."',
FROM_UNIXTIME(".$reallyNow.")
)";
#if ($origin == 'learnpath')
#{
# if ($user_id == "NULL")
# {
# $user_id = '0';
# }
# $sql2 = "update `$tbl_learnpath_user` set score='$score' where (user_id=$user_id and learnpath_id='$learnpath_id' and learnpath_item_id='$learnpath_item_id')";
# $res2 = api_sql_query($sql2,__FILE__,__LINE__);
#}
$res = api_sql_query($sql,__FILE__,__LINE__);
$my_msg = get_lang('MarkInserted');
}
//$mysql_query($sql);
//return 0;
}
}else{
$my_msg .= " There might have been a problem with the total score being too big...<br />\n";
}
}
Display::display_header($nameTools,"Exercise");
// Display simple marking interface
// 1a - result of previous marking then exit suggestion
// 1b - user answer and marking box + submit button
$objAnswerTmp = new Answer();
$objAnswerTmp->selectAnswer($answerId);
if($action == 'mark'){
echo $my_msg.'<br />
<a href="exercice.php?cidReq='.$cidReq.'">'.get_lang('Back').'</a>';
}else{
echo '<h2>'.$obj_question->question .':</h2>
'.$obj_question->selectTitle().'<br /><br />
'.get_lang('PleaseGiveAMark').
"<form action='' method='POST'>\n"
."<input type='hidden' name='exe' value='$my_exe'>\n"
."<input type='hidden' name='usr' value='$my_usr'>\n"
."<input type='hidden' name='cidReq' value='$my_cid'>\n"
."<input type='hidden' name='action' value='mark'>\n"
."<select name='score'>\n";
for($i=0 ; $i<$obj_question->selectWeighting() ; $i++){
echo '<option>'.$i.'</option>';
}
echo "</select>".
"<input type='submit' name='submit' value='".get_lang('Ok')."'>\n"
."</form>";
}
Display::display_footer();
?>

Source for file mark_free_answer.php