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

290 lines
9.8 KiB

<?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 du Corbeau, 108
B-1030 Brussels - Belgium
info@dokeos.com
*/
/**
* ExerciseResult class: This class allows to instantiate an object of type ExerciseResult
* which allows you to export exercises results in multiple presentation forms
* @package dokeos.exercise
* @author Yannick Warnier
* @version $Id: $
*/
if(!class_exists('GradeBookResult')):
class GradeBookResult
{
private $gradebook_list = array(); //stores the list of exercises
private $results = array(); //stores the results
/**
* constructor of the class
*/
public function GradeBookResult($get_questions=false,$get_answers=false) {
//nothing to do
/*
$this->exercise_list = array();
$this->readExercisesList();
if($get_questions)
{
foreach($this->exercises_list as $exe)
{
$this->exercises_list['questions'] = $this->getExerciseQuestionList($exe['id']);
}
}
*/
}
/**
* Reads exercises information (minimal) from the data base
* @param boolean Whether to get only visible exercises (true) or all of them (false). Defaults to false.
* @return array A list of exercises available
*/
private function _readGradebookList($only_visible = false) {
$return = array();
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$sql="SELECT id,title,type,random,active FROM $TBL_EXERCISES";
if($only_visible) {
$sql.= ' WHERE active=1';
}
$sql .= ' ORDER BY title';
$result=Database::query($sql);
// if the exercise has been found
while($row=Database::fetch_array($result,'ASSOC')) {
$return[] = $row;
}
// exercise not found
return $return;
}
/**
* Gets the questions related to one exercise
* @param integer Exercise ID
*/
private function _readGradeBookQuestionsList($e_id) {
$return = array();
$TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$sql="SELECT q.id, q.question, q.ponderation, q.position, q.type, q.picture " .
" FROM $TBL_EXERCISE_QUESTION eq, $TBL_QUESTIONS q " .
" WHERE eq.question_id=q.id AND eq.exercice_id='$e_id' " .
" ORDER BY q.position";
$result=Database::query($sql);
// fills the array with the question ID for this exercise
// the key of the array is the question position
while($row=Database::fetch_array($result,'ASSOC')) {
$return[] = $row;
}
return true;
}
/**
* Gets the results of all students (or just one student if access is limited)
* @param string The document path (for HotPotatoes retrieval)
* @param integer User ID. Optional. If no user ID is provided, we take all the results. Defauts to null
*/
function _getGradeBookReporting($document_path,$user_id=null) {
$return = array();
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_QUESTIONS = Database::get_course_table(TABLE_QUIZ_QUESTION);
$TBL_USER = Database::get_main_table(TABLE_MAIN_USER);
$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
$TBL_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
$TBL_TRACK_EXERCISES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_TRACK_HOTPOTATOES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_HOTPOTATOES);
$TBL_TRACK_ATTEMPT = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
$cid = api_get_course_id();
if (empty($user_id)) {
//get all results (ourself and the others) as an admin should see them
//AND exe_user_id <> $_user['user_id'] clause has been removed
$sql="SELECT ".(api_is_western_name_order() ? "CONCAT(firstname,' ',lastname)" : "CONCAT(lastname,' ',firstname)").", ce.title, te.exe_result ,
te.exe_weighting, UNIX_TIMESTAMP(te.exe_date),te.exe_id, user.email, user.user_id
FROM $TBL_EXERCISES ce , $TBL_TRACK_EXERCISES te, $TBL_USER user
WHERE te.exe_exo_id = ce.id AND user_id=te.exe_user_id AND te.exe_cours_id='$cid'
ORDER BY te.exe_cours_id ASC, ce.title ASC, te.exe_date ASC";
$hpsql="SELECT ".(api_is_western_name_order() ? "CONCAT(tu.firstname,' ',tu.lastname)" : "CONCAT(tu.lastname,' ',tu.firstname)").", tth.exe_name,
tth.exe_result , tth.exe_weighting, UNIX_TIMESTAMP(tth.exe_date), tu.email, tu.user_id
FROM $TBL_TRACK_HOTPOTATOES tth, $TBL_USER tu
WHERE tu.user_id=tth.exe_user_id AND tth.exe_cours_id = '".$cid."'
ORDER BY tth.exe_cours_id ASC, tth.exe_date ASC";
} else { // get only this user's results
$sql="SELECT '',ce.title, te.exe_result , te.exe_weighting, " .
"UNIX_TIMESTAMP(te.exe_date),te.exe_id
FROM $TBL_EXERCISES ce , $TBL_TRACK_EXERCISES te
WHERE te.exe_exo_id = ce.id AND te.exe_user_id='".$user_id."' AND te.exe_cours_id='$cid'
ORDER BY te.exe_cours_id ASC, ce.title ASC, te.exe_date ASC";
$hpsql="SELECT '',exe_name, exe_result , exe_weighting, UNIX_TIMESTAMP(exe_date)
FROM $TBL_TRACK_HOTPOTATOES
WHERE exe_user_id = '".$user_id."' AND exe_cours_id = '".$cid."'
ORDER BY exe_cours_id ASC, exe_date ASC";
}
$results=getManyResultsXCol($sql,8);
$hpresults=getManyResultsXCol($hpsql,7);
$NoTestRes = 0;
$NoHPTestRes = 0;
$j=0;
//Print the results of tests
if (is_array($results)) {
for ($i = 0; $i < sizeof($results); $i++) {
$return[$i] = array();
$id = $results[$i][5];
$mailid = $results[$i][6];
$user = $results[$i][0];
$test = $results[$i][1];
$dt = strftime(get_lang('dateTimeFormatLong'),$results[$i][4]);
$res = $results[$i][2];
if(empty($user_id)) {
$user = $results[$i][0];
$return[$i]['user'] = $user;
$return[$i]['user_id'] = $results[$i][7];
}
$return[$i]['title'] = $test;
$return[$i]['time'] = format_locale_date(get_lang('dateTimeFormatLong'),$results[$i][4]);
$return[$i]['result'] = $res;
$return[$i]['max'] = $results[$i][3];
$j=$i;
}
}
$j++;
// Print the Result of Hotpotatoes Tests
if (is_array($hpresults)) {
for ($i = 0; $i < sizeof($hpresults); $i++) {
$return[$j+$i] = array();
$title = GetQuizName($hpresults[$i][1],$document_path);
if ($title =='') {
$title = basename($hpresults[$i][1]);
}
if (empty($user_id)) {
$return[$j+$i]['user'] = $hpresults[$i][0];
$return[$j+$i]['user_id'] = $results[$i][6];
}
$return[$j+$i]['title'] = $title;
$return[$j+$i]['time'] = strftime(get_lang('dateTimeFormatLong'),$hpresults[$i][4]);
$return[$j+$i]['result'] = $hpresults[$i][2];
$return[$j+$i]['max'] = $hpresults[$i][3];
}
}
$this->results = $return;
return true;
}
/**
* Exports the complete report as a CSV file
* @param string Document path inside the document tool
* @param integer Optional user ID
* @param boolean Whether to include user fields or not
* @return boolean False on error
*/
public function exportCompleteReportCSV($dato) {
//$this->_getGradeBookReporting($document_path,$user_id);
$filename = 'gradebook_results_'.date('YmdGis').'.csv';
if (!empty($user_id)) {
$filename = 'gradebook_results_user_'.$user_id.'_'.date('YmdGis').'.csv';
}
$data = '';
//build the results
//titles
foreach ($dato[0] as $header_col) {
if(!empty($header_col)) {
$data .= str_replace("\r\n",' ',api_html_entity_decode(strip_tags($header_col))).';';
}
}
$data .="\r\n";
$cant_students = count($dato[1]);
//print_r($data); exit();
for($i=0;$i<$cant_students;$i++) {
$column = 0;
foreach($dato[1][$i] as $col_name) {
$data .= str_replace("\r\n",' ',api_html_entity_decode(strip_tags($col_name))).';';
}
$data .="\r\n";
}
//output the results
$len = strlen($data);
header('Content-type: application/octet-stream');
header('Content-Type: application/force-download');
header('Content-length: '.$len);
if (preg_match("/MSIE 5.5/", $_SERVER['HTTP_USER_AGENT'])) {
header('Content-Disposition: filename= '.$filename);
} else {
header('Content-Disposition: attachment; filename= '.$filename);
} if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE')) {
header('Pragma: ');
header('Cache-Control: ');
header('Cache-Control: public'); // IE cannot download from sessions without a cache
}
header('Content-Description: '.$filename);
header('Content-transfer-encoding: binary');
echo $data;
return true;
}
/**
* Exports the complete report as an XLS file
* @return boolean False on error
*/
public function exportCompleteReportXLS($data) {
$filename = 'gradebook_results_user_'.date('YmdGis').'.xls';
//build the results
require_once(api_get_path(LIBRARY_PATH).'pear/Spreadsheet_Excel_Writer/Writer.php');
$workbook = new Spreadsheet_Excel_Writer();
$workbook->send($filename);
$worksheet =& $workbook->addWorksheet('Report '.date('YmdGis'));
$line = 0;
$column = 0; //skip the first column (row titles)
//headers
foreach ($data[0] as $header_col) {
$worksheet->write($line,$column,$header_col);
$column++;
}
//$worksheet->write($line,$column,get_lang('Total'));
//$column++;
$line++;
$cant_students = count($data[1]);
//print_r($data); exit();
for ($i=0;$i<$cant_students;$i++) {
$column = 0;
foreach ($data[1][$i] as $col_name) {
$worksheet->write($line,$column,strip_tags($col_name));
$column++;
}
$line++;
}
//output the results
$workbook->close();
return true;
}
}
endif;
?>