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- <?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';
- $result=api_sql_query($sql,__FILE__,__LINE__);
- // 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";
- $result=api_sql_query($sql,__FILE__,__LINE__);
- // 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;
- ?>
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