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1281 lines
43 KiB
1281 lines
43 KiB
<?php
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/*
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DOKEOS - elearning and course management software
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For a full list of contributors, see documentation/credits.html
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See "documentation/licence.html" more details.
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Contact:
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Dokeos
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Rue des Palais 44 Paleizenstraat
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B-1030 Brussels - Belgium
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Tel. +32 (2) 211 34 56
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*/
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/**
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* @package dokeos.survey
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* @author unknown, the initial survey that did not make it in 1.8 because of bad code
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
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* @version $Id: reporting.php 13245 2007-09-25 13:36:31Z elixir_julian $
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*
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* @todo The question has to be more clearly indicated (same style as when filling the survey)
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*/
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// name of the language file that needs to be included
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$language_file = 'survey';
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// including the global dokeos file
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require ('../inc/global.inc.php');
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// export
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/**
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* @todo use export_table_csv($data, $filename = 'export')
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*/
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if ($_POST['export_report'])
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{
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$data = export_complete_report();
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$filename = 'fileexport.csv';
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header('Content-type: application/octet-stream');
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header('Content-Type: application/force-download');
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header('Content-length: '.$len);
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if (preg_match("/MSIE 5.5/", $_SERVER['HTTP_USER_AGENT']))
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{
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header('Content-Disposition: filename= '.$filename);
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}
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else
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{
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header('Content-Disposition: attachment; filename= '.$filename);
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}
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if (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE'))
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{
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header('Pragma: ');
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header('Cache-Control: ');
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header('Cache-Control: public'); // IE cannot download from sessions without a cache
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}
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header('Content-Description: '.$filename);
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header('Content-transfer-encoding: binary');
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echo $data;
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exit;
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}
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// including additional libraries
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//require_once (api_get_path(LIBRARY_PATH)."/survey.lib.php");
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require_once('survey.lib.php');
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require_once (api_get_path(LIBRARY_PATH)."/course.lib.php");
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// Checking the parameters
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check_parameters();
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/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
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if (!api_is_allowed_to_edit())
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{
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Display :: display_header();
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Display :: display_error_message(get_lang('NotAllowed'), false);
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Display :: display_footer();
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exit;
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}
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// Database table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
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$table_user = Database :: get_main_table(TABLE_MAIN_USER);
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$user_info = Database :: get_main_table(TABLE_MAIN_SURVEY_REMINDER);
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// getting the survey information
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$survey_data = survey_manager::get_survey($_GET['survey_id']);
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$urlname = substr(strip_tags($survey_data['title']), 0, 40);
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if (strlen(strip_tags($survey_data['title'])) > 40)
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{
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$urlname .= '...';
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}
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// breadcrumbs
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$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('SurveyList'));
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$interbreadcrumb[] = array ('url' => 'survey.php?survey_id='.$_GET['survey_id'], 'name' => $urlname);
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if (!$_GET['action'] OR $_GET['action'] == 'overview')
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{
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$tool_name = get_lang('Reporting');
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}
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else
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{
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$interbreadcrumb[] = array ("url" => "reporting.php?survey_id=".$_GET['survey_id'], "name" => get_lang('Reporting'));
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switch ($_GET['action'])
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{
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case 'questionreport':
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$tool_name = get_lang('DetailedReportByQuestion');
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break;
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case 'userreport':
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$tool_name = get_lang('DetailedReportByUser');
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break;
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case 'comparativereport':
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$tool_name = get_lang('ComparativeReport');
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break;
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case 'completereport':
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$tool_name = get_lang('CompleteReport');
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break;
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}
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}
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// Displaying the header
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Display::display_header($tool_name);
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// Action handling
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handle_reporting_actions();
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if (!$_GET['action'] OR $_GET['action'] == 'overview')
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{
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echo '<b><a href="reporting.php?action=questionreport&survey_id='.$_GET['survey_id'].'">'.get_lang('DetailedReportByQuestion').'</a></b> <br />'.get_lang('DetailedReportByQuestionDetail').' <br /><br />';
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echo '<b><a href="reporting.php?action=userreport&survey_id='.$_GET['survey_id'].'">'.get_lang('DetailedReportByUser').'</a></b><br />'.get_lang('DetailedReportByUserDetail').'.<br /><br />';
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echo '<b><a href="reporting.php?action=comparativereport&survey_id='.$_GET['survey_id'].'">'.get_lang('ComparativeReport').'</a></b><br />'.get_lang('ComparativeReportDetail').'.<br /><br />';
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echo '<b><a href="reporting.php?action=completereport&survey_id='.$_GET['survey_id'].'">'.get_lang('CompleteReport').'</a></b><br />'.get_lang('CompleteReportDetail').'<br /><br />';
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}
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// Footer
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Display :: display_footer();
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/**
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* This function checks the parameters that are used in this page
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*
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* @return the header, an error and the footer if any parameter fails, else it returns true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function check_parameters()
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{
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$error = false;
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// getting the survey data
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$survey_data = survey_manager::get_survey($_GET['survey_id']);
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// $_GET['survey_id'] has to be numeric
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if (!is_numeric($_GET['survey_id']))
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{
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$error = get_lang('IllegalSurveyId');
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}
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// $_GET['action']
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$allowed_actions = array('overview', 'questionreport', 'userreport', 'comparativereport', 'completereport');
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if (isset($_GET['action']) AND !in_array($_GET['action'], $allowed_actions))
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{
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$error = get_lang('ActionNotAllowed');
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}
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// user report
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if ($_GET['action'] == 'userreport')
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{
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global $people_filled;
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if ($survey_data['anonymous'] == 0)
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{
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$people_filled_full_data = true;
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}
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else
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{
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$people_filled_full_data = false;
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}
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$people_filled = survey_manager::get_people_who_filled_survey($_GET['survey_id'], $people_filled_full_data);
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if ($survey_data['anonymous'] == 0)
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{
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foreach ($people_filled as $key=>$value)
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{
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$people_filled_userids[]=$value['user_id'];
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}
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}
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else
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{
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$people_filled_userids = $people_filled;
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}
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if (isset($_GET['user']) AND !in_array($_GET['user'], $people_filled_userids))
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{
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$error = get_lang('UnknowUser');
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}
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}
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// question report
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if ($_GET['action'] == 'questionreport')
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{
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if (isset($_GET['question'])AND !is_numeric($_GET['question']))
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{
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$error = get_lang('UnknowQuestion');
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}
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}
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if ($error)
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{
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Display::display_header();
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Display::display_error_message(get_lang('Error').': '.$error, false);
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Display::display_footer();
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exit;
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}
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else
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{
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return true;
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}
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}
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/**
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* This function deals with the action handling
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function handle_reporting_actions()
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{
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// getting the number of question
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$temp_questions_data = survey_manager::get_questions($_GET['survey_id']);
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// sorting like they should be displayed and removing the non-answer question types (comment and pagebreak)
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foreach ($temp_questions_data as $key=>$value)
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{
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if ($value['type'] <> 'comment' AND $value['type']<>'pagebreak')
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{
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$questions_data[$value['sort']]=$value;
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}
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}
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// counting the number of questions that are relevant for the reporting
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$survey_data['number_of_questions'] = count($questions_data);
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if ($_GET['action'] == 'questionreport')
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{
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display_question_report($survey_data);
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}
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if ($_GET['action'] == 'userreport')
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{
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display_user_report();
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}
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if ($_GET['action'] == 'comparativereport')
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{
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display_comparative_report();
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}
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if ($_GET['action'] == 'completereport')
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{
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display_complete_report();
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}
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}
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/**
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* This function displays the user report which is basically nothing more than a one-page display of all the questions
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* of the survey that is filled with the answers of the person who filled the survey.
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*
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* @return html code of the one-page survey with the answers of the selected user
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function display_user_report()
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{
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global $people_filled, $survey_data;
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// Database table definitions
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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// step 1: selection of the user
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echo "<script language=\"JavaScript\" type=\"text/JavaScript\">
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<!--
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function jumpMenu(targ,selObj,restore)
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{
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eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
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if (restore) selObj.selectedIndex=0;
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}
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//-->
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</script>
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";
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echo get_lang('SelectUserWhoFilledSurvey').'<br />';
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echo '<select name="user" onchange="jumpMenu(\'parent\',this,0)">';
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echo '<option value="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'">'.get_lang('SelectUser').'</option>';
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foreach ($people_filled as $key=>$person)
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{
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if ($survey_data['anonymous'] == 0)
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{
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$name = $person['firstname'].' '.$person['lastname'];
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$id = $person['user_id'];
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}
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else
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{
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$name = $person;
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$id = $person;
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}
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echo '<option value="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&user='.$id.'" ';
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if ($_GET['user'] == $person)
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{
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echo 'selected="selected"';
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}
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echo '>'.$name.'</option>';
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}
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echo '</select>';
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// step 2: displaying the survey and the answer of the selected users
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if (isset($_GET['user']))
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{
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Display::display_normal_message(get_lang('AllQuestionsOnOnePage'), false);
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// getting all the questions and options
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$sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.max_value, survey_question.sort, survey_question.type,
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survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
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FROM $table_survey_question survey_question
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LEFT JOIN $table_survey_question_option survey_question_option
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ON survey_question.question_id = survey_question_option.question_id
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WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
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ORDER BY survey_question.sort ASC";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = mysql_fetch_assoc($result))
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{
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if($row['type'] <> 'pagebreak')
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{
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$questions[$row['sort']]['question_id'] = $row['question_id'];
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$questions[$row['sort']]['survey_id'] = $row['survey_id'];
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$questions[$row['sort']]['survey_question'] = $row['survey_question'];
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$questions[$row['sort']]['display'] = $row['display'];
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$questions[$row['sort']]['type'] = $row['type'];
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$questions[$row['sort']]['maximum_score'] = $row['max_value'];
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$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
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}
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}
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// getting all the answers of the user
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$sql = "SELECT * FROM $table_survey_answer WHERE survey_id = '".Database::escape_string($_GET['survey_id'])."' AND user = '".Database::escape_string($_GET['user'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = mysql_fetch_assoc($result))
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{
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$answers[$row['question_id']][] = $row['option_id'];
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$all_answers[$row['question_id']][] = $row;
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}
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/*
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echo '<pre>';
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print_r($all_answers);
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echo '</pre>';
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*/
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// displaying all the questions
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foreach ($questions as $key=>$question)
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{
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// if the question type is a scoring then we have to format the answers differently
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if ($question['type'] == 'score')
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{
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foreach($all_answers[$question['question_id']] as $key=>$answer_array)
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{
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$second_parameter[$answer_array['option_id']] = $answer_array['value'];
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}
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}
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else
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{
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$second_parameter = $answers[$question['question_id']];
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if ($question['type'] == 'open')
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{
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$second_parameter = array();
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$second_parameter[] = $all_answers[$question['question_id']][0]['option_id'];
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}
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}
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$display = new $question['type'];
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$display->render_question($question, $second_parameter);
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// echo '<pre>';
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// print_r($answers[$question['question_id']]);
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// echo '</pre>';
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}
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}
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}
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/**
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* This function displays the report by question.
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* It displays a table with all the options of the question and the number of users who have answered positively on the option.
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* The number of users who answered positive on a given option is expressed in an absolute number, in a percentage of the total
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* and graphically using bars
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* By clicking on the absolute number you get a list with the persons who have answered this.
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* You can then click on the name of the person and you will then go to the report by user where you see all the
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* answers of that user.
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*
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* @param array $survey_data all the data of the survey
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*
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* @return html code that displays the report by question
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*
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* @todo allow switching between horizontal and vertical.
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* @todo multiple response: percentage are probably not OK
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* @todo the question and option text have to be shortened and should expand when the user clicks on it.
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* @todo the pagebreak and comment question types should not be shown => removed from $survey_data before
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function display_question_report($survey_data)
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{
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// Database table definitions
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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// determining the offset of the sql statement (the n-th question of the survey)
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if (!isset($_GET['question']))
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{
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$offset = 0;
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}
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else
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{
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$offset = $_GET['question'];
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}
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echo '<div id="question_report_questionnumbers">';
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for($i=1; $i<=($survey_data['number_of_questions']); $i++ )
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{
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if ($offset <> $i-1)
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{
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echo '<a href="reporting.php?action=questionreport&survey_id='.(int)$_GET['survey_id'].'&question='.($i-1).'">'.$i.'</a>';
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}
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else
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{
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echo $i;
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}
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if ($i < $survey_data['number_of_questions'])
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{
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echo ' | ';
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}
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}
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echo '</div>';
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// getting the question information
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$sql = "SELECT * FROM $table_survey_question WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' AND type<>'pagebreak' AND type<>'comment' ORDER BY sort ASC LIMIT ".$offset.",1";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$question = mysql_fetch_assoc($result);
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// navigate through the questions (next and previous)
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if ($_GET['question'] <> 0)
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{
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echo '<a href="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&question='.($offset-1).'"> << '.get_lang('PreviousQuestion').'</a> ';
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}
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else
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{
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echo '<<'.get_lang('PreviousQuestion').' ';
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}
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echo ' | ';
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if ($_GET['question'] < ($survey_data['number_of_questions']-1))
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{
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echo '<a href="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&question='.($offset+1).'">'.get_lang('NextQuestion').'>> </a>';
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}
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else
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{
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echo get_lang('NextQuestion'). '>>';
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}
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echo '<br />';
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echo $question['survey_question'];
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echo '<br />';
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if ($question['type'] == 'score')
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{
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/** @todo this function should return the options as this is needed further in the code */
|
|
$options = display_question_report_score($survey_data, $question, $offset);
|
|
}
|
|
elseif ($question['type'] == 'open')
|
|
{
|
|
/** @todo also get the user who has answered this */
|
|
$sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
AND question_id = '".Database::escape_string($question['question_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
echo $row['option_id'].'<hr noshade="noshade" size="1" />';
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
// getting the options
|
|
$sql = "SELECT * FROM $table_survey_question_option
|
|
WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
ORDER BY sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
$options[$row['question_option_id']] = $row;
|
|
}
|
|
//echo '<pre>';
|
|
//print_r($options);
|
|
//echo '<pre>';
|
|
|
|
// getting the answers
|
|
$sql = "SELECT *, count(answer_id) as total FROM $table_survey_answer
|
|
WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
GROUP BY option_id, value";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
$number_of_answers += $row['total'];
|
|
$data[$row['option_id']] = $row;
|
|
}
|
|
//echo '<pre>';
|
|
//print_r($data);
|
|
//echo '<pre>';
|
|
|
|
// displaying the table: headers
|
|
echo '<table>';
|
|
echo ' <tr>';
|
|
echo ' <th> </th>';
|
|
echo ' <th>'.get_lang('AbsoluteTotal').'</th>';
|
|
echo ' <th>'.get_lang('Percentage').'</th>';
|
|
echo ' <th>'.get_lang('VisualRepresentation').'</th>';
|
|
echo ' <tr>';
|
|
|
|
|
|
// displaying the table: the content
|
|
foreach ($options as $key=>$value)
|
|
{
|
|
$absolute_number = $data[$value['question_option_id']]['total'];
|
|
|
|
echo ' <tr>';
|
|
echo ' <td>'.$value['option_text'].'</td>';
|
|
echo ' <td><a href="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&question='.$offset.'&viewoption='.$value['question_option_id'].'">'.$absolute_number.'</a></td>';
|
|
echo ' <td>'.round($absolute_number/$number_of_answers*100, 2).' %</td>';
|
|
echo ' <td>';
|
|
$size = $absolute_number/$number_of_answers*100*2;
|
|
if ($size > 0)
|
|
{
|
|
echo '<div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px"> </div>';
|
|
}
|
|
echo ' </td>';
|
|
echo ' </tr>';
|
|
}
|
|
|
|
// displaying the table: footer (totals)
|
|
echo ' <tr>';
|
|
echo ' <td style="border-top:1px solid black"><b>'.get_lang('Total').'</b></td>';
|
|
echo ' <td style="border-top:1px solid black"><b>'.$number_of_answers.'</b></td>';
|
|
echo ' <td style="border-top:1px solid black"> </td>';
|
|
echo ' <td style="border-top:1px solid black"> </td>';
|
|
echo ' </tr>';
|
|
|
|
echo '</table>';
|
|
}
|
|
|
|
if (isset($_GET['viewoption']))
|
|
{
|
|
echo get_lang('PeopleWhoAnswered').': '.$options[$_GET['viewoption']]['option_text'].'<br />';
|
|
|
|
if (is_numeric($_GET['value']))
|
|
{
|
|
$sql_restriction = "AND value='".Database::escape_string($_GET['value'])."'";
|
|
}
|
|
|
|
$sql = "SELECT user FROM $table_survey_answer WHERE option_id = '".Database::escape_string($_GET['viewoption'])."' $sql_restriction";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
echo '<a href="reporting.php?action=userreport&survey_id='.$_GET['survey_id'].'&user='.$row['user'].'">'.$row['user'].'</a><br />';
|
|
}
|
|
}
|
|
}
|
|
|
|
function display_question_report_score($survey_data, $question, $offset)
|
|
{
|
|
// Database table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// getting the options
|
|
$sql = "SELECT * FROM $table_survey_question_option
|
|
WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
ORDER BY sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
$options[$row['question_option_id']] = $row;
|
|
}
|
|
|
|
// getting the answers
|
|
$sql = "SELECT *, count(answer_id) as total FROM $table_survey_answer
|
|
WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'
|
|
AND question_id = '".Database::escape_string($question['question_id'])."'
|
|
GROUP BY option_id, value";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
$number_of_answers += $row['total'];
|
|
$data[$row['option_id']][$row['value']] = $row;
|
|
}
|
|
|
|
/*
|
|
echo '<pre>';
|
|
print_r($data);
|
|
echo '</pre>';
|
|
*/
|
|
|
|
// displaying the table: headers
|
|
echo '<table>';
|
|
echo ' <tr>';
|
|
echo ' <th> </th>';
|
|
echo ' <th>'.get_lang('Score').'</th>';
|
|
echo ' <th>'.get_lang('AbsoluteTotal').'</th>';
|
|
echo ' <th>'.get_lang('Percentage').'</th>';
|
|
echo ' <th>'.get_lang('VisualRepresentation').'</th>';
|
|
echo ' <tr>';
|
|
|
|
|
|
// displaying the table: the content
|
|
foreach ($options as $key=>$value)
|
|
{
|
|
for ($i=1; $i<=$question['max_value']; $i++)
|
|
{
|
|
$absolute_number = $data[$value['question_option_id']][$i]['total'];
|
|
|
|
echo ' <tr>';
|
|
echo ' <td>'.$value['option_text'].'</td>';
|
|
echo ' <td>'.$i.'</td>';
|
|
echo ' <td><a href="reporting.php?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&question='.$offset.'&viewoption='.$value['question_option_id'].'&value='.$i.'">'.$absolute_number.'</a></td>';
|
|
echo ' <td>'.round($absolute_number/$number_of_answers*100, 2).' %</td>';
|
|
echo ' <td>';
|
|
$size = ($absolute_number/$number_of_answers*100*2);
|
|
if ($size > 0)
|
|
{
|
|
echo ' <div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px"> </div>';
|
|
}
|
|
echo ' </td>';
|
|
echo ' </tr>';
|
|
}
|
|
}
|
|
// displaying the table: footer (totals)
|
|
echo ' <tr>';
|
|
echo ' <td style="border-top:1px solid black"><b>'.get_lang('Total').'</b></td>';
|
|
echo ' <td style="border-top:1px solid black"> </td>';
|
|
echo ' <td style="border-top:1px solid black"><b>'.$number_of_answers.'</b></td>';
|
|
echo ' <td style="border-top:1px solid black"> </td>';
|
|
echo ' <td style="border-top:1px solid black"> </td>';
|
|
echo ' </tr>';
|
|
|
|
echo '</table>';
|
|
}
|
|
|
|
/**
|
|
* This functions displays the complete reporting
|
|
*
|
|
* @return html code
|
|
*
|
|
* @todo open questions are not in the complete report yet.
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function display_complete_report()
|
|
{
|
|
// Database table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// the form
|
|
echo '<form id="form1" name="form1" method="post" action="'.api_get_self().'?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'">';
|
|
|
|
/*// the export button
|
|
echo '<input type="submit" name="export_report" value="'.get_lang('ExportCurrentReport').'" />';*/
|
|
|
|
echo '<input type="hidden" name="export_report" value="export_report">';
|
|
|
|
echo '<a href="#" onclick="document.form1.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif"> '.get_lang('ExportCurrentReport').'</a>';
|
|
|
|
// the table
|
|
echo '<table class="data_table" border="1">';
|
|
|
|
// getting the number of options per question
|
|
echo ' <tr>';
|
|
echo ' <th>';
|
|
if ($_POST['submit_question_filter'] OR $_POST['export_report'])
|
|
{
|
|
echo ' <input type="submit" name="reset_question_filter" value="'.get_lang('ResetQuestionFilter').'" />';
|
|
}
|
|
echo ' <input type="submit" name="submit_question_filter" value="'.get_lang('SubmitQuestionFilter').'" />';
|
|
echo '</th>';
|
|
$sql = "SELECT questions.question_id, questions.type, questions.survey_question, count(options.question_option_id) as number_of_options
|
|
FROM $table_survey_question questions LEFT JOIN $table_survey_question_option options
|
|
ON questions.question_id = options.question_id
|
|
/*WHERE questions.question_id = options.question_id*/
|
|
AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
GROUP BY questions.question_id";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
// we show the questions if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
echo ' <th';
|
|
if ($row['number_of_options'] >0)
|
|
{
|
|
echo ' colspan="'.$row['number_of_options'].'"';
|
|
}
|
|
echo '>';
|
|
|
|
echo '<label><input type="checkbox" name="questions_filter[]" value="'.$row['question_id'].'" checked="checked"/> ';
|
|
echo $row['survey_question'];
|
|
echo '</label>';
|
|
echo '</th>';
|
|
}
|
|
}
|
|
$questions[$row['question_id']] = $row;
|
|
}
|
|
echo ' </tr>';
|
|
|
|
// getting all the questions and options
|
|
echo ' <tr>';
|
|
echo ' <th> </th>'; // the user column
|
|
$sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type,
|
|
survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
|
|
FROM $table_survey_question survey_question
|
|
LEFT JOIN $table_survey_question_option survey_question_option
|
|
ON survey_question.question_id = survey_question_option.question_id
|
|
WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
ORDER BY survey_question.sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
// we show the options if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
echo ' <th>';
|
|
echo $row['option_text'];
|
|
echo '</th>';
|
|
$possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
}
|
|
}
|
|
}
|
|
echo ' </tr>';
|
|
|
|
// getting all the answers of the users
|
|
$old_user='';
|
|
$answers_of_user = array();
|
|
$sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' ORDER BY user ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
if ($old_user <> $row['user'] AND $old_user<>'')
|
|
{
|
|
display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions);
|
|
$answers_of_user=array();
|
|
}
|
|
if ($questions[$row['question_id']]['type']<> 'open')
|
|
{
|
|
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
}
|
|
else
|
|
{
|
|
$answers_of_user[$row['question_id']][0] = $row;
|
|
}
|
|
$old_user = $row['user'];
|
|
}
|
|
display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions); // this is to display the last user
|
|
|
|
echo '</table>';
|
|
|
|
echo '</form>';
|
|
}
|
|
|
|
|
|
/**
|
|
* This function displays a row (= a user and his/her answers) in the table of the complete report.
|
|
*
|
|
* @param array $possible_answers all the possible options
|
|
* @param array $answers_of_user the answers of the user
|
|
* @param string $user the user
|
|
*
|
|
* @todo rename $possible_answers to $possible_options ?
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function display_complete_report_row($possible_answers, $answers_of_user, $user, $questions)
|
|
{
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
echo '<tr>';
|
|
|
|
if(intval($user)!==0)
|
|
{
|
|
$sql = 'SELECT firstname, lastname FROM '.Database::get_main_table(TABLE_MAIN_USER).' WHERE user_id='.intval($user);
|
|
$rs = api_sql_query($sql, __FILE__, __LINE__);
|
|
if($row = mysql_fetch_array($rs, MYSQL_ASSOC))
|
|
{
|
|
$user_displayed = $row['lastname'].' '.$row['firstname'];
|
|
}
|
|
else
|
|
{
|
|
$user_displayed = '-';
|
|
}
|
|
echo ' <th><a href="'.api_get_self().'?action=userreport&survey_id='.$_GET['survey_id'].'&user='.$user.'">'.$user_displayed.'</a></th>'; // the user column
|
|
}
|
|
else
|
|
{
|
|
echo ' <th>'.$user.'</th>'; // the user column
|
|
}
|
|
|
|
|
|
foreach ($possible_answers as $question_id=>$possible_option)
|
|
{
|
|
if ($questions[$question_id]['type'] == 'open')
|
|
{
|
|
echo '<td align="center">';
|
|
echo $answers_of_user[$question_id]['0']['option_id'];
|
|
echo '</td>';
|
|
}
|
|
else
|
|
{
|
|
foreach ($possible_option as $option_id=>$value)
|
|
{
|
|
echo '<td align="center">';
|
|
if (!empty($answers_of_user[$question_id][$option_id]))
|
|
{
|
|
if ($answers_of_user[$question_id][$option_id]['value']<>0)
|
|
{
|
|
echo $answers_of_user[$question_id][$option_id]['value'];
|
|
}
|
|
else
|
|
{
|
|
echo 'v';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
echo '</tr>';
|
|
}
|
|
|
|
|
|
/**
|
|
* the function is quite similar to display_complete_report and return a html string that can be used in a csv file
|
|
*
|
|
* @todo consider merging this function with display_complete_report
|
|
*
|
|
* @return string $return the content of a csv file
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function export_complete_report()
|
|
{
|
|
// Database table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// the first column
|
|
$return = ';';
|
|
|
|
$sql = "SELECT questions.question_id, questions.type, questions.survey_question, count(options.question_option_id) as number_of_options
|
|
FROM $table_survey_question questions LEFT JOIN $table_survey_question_option options
|
|
ON questions.question_id = options.question_id
|
|
/*WHERE questions.question_id = options.question_id*/
|
|
AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
GROUP BY questions.question_id";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
// we show the questions if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
for ($ii = 0; $ii < $row['number_of_options']; $ii ++)
|
|
{
|
|
$return .= html_entity_decode(strip_tags($row['survey_question'])).';';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$return .= "\n";
|
|
|
|
// getting all the questions and options
|
|
$return .= ';';
|
|
$sql = "SELECT survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type,
|
|
survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
|
|
FROM $table_survey_question survey_question
|
|
LEFT JOIN $table_survey_question_option survey_question_option
|
|
ON survey_question.question_id = survey_question_option.question_id
|
|
WHERE survey_question.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
ORDER BY survey_question.sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
// we show the options if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR in_array($row['question_id'], $_POST['questions_filter']))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
$return .= html_entity_decode(strip_tags($row['option_text'])).';';
|
|
$possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
}
|
|
}
|
|
}
|
|
$return .= "\n";
|
|
|
|
// getting all the answers of the users
|
|
$old_user='';
|
|
$answers_of_user = array();
|
|
$sql = "SELECT * FROM $table_survey_answer WHERE survey_id='".Database::escape_string($_GET['survey_id'])."' ORDER BY user ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
if ($old_user <> $row['user'] AND $old_user<>'')
|
|
{
|
|
$return .= export_complete_report_row($possible_answers, $answers_of_user, $old_user);
|
|
$answers_of_user=array();
|
|
}
|
|
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
$old_user = $row['user'];
|
|
}
|
|
$return .= export_complete_report_row($possible_answers, $answers_of_user, $old_user); // this is to display the last user
|
|
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* add a line to the csv file
|
|
*
|
|
* @param array $possible_answers all the possible answers
|
|
* @param array $answers_of_user the answers of the user
|
|
* @param string $user the user
|
|
*
|
|
* @return string $return line of the csv file
|
|
*
|
|
* @todo rename $possible_answers to $possible_options ?
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function export_complete_report_row($possible_answers, $answers_of_user, $user)
|
|
{
|
|
$return = $user.';'; // the user column
|
|
|
|
foreach ($possible_answers as $question_id=>$possible_option)
|
|
{
|
|
foreach ($possible_option as $option_id=>$value)
|
|
{
|
|
if (!empty($answers_of_user[$question_id][$option_id]))
|
|
{
|
|
$return .= 'v';
|
|
}
|
|
$return .= ';';
|
|
}
|
|
}
|
|
$return .= "\n";
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* This function displays the comparative report which allows you to compare two questions
|
|
* A comparative report creates a table where one question is on the x axis and a second question is on the y axis.
|
|
* In the intersection is the number of people who have answerd positive on both options.
|
|
*
|
|
* @return html code
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function display_comparative_report()
|
|
{
|
|
// allowed question types for comparative report
|
|
$allowed_question_types = array('yesno', 'multiplechoice', 'multipleresponse', 'dropdown', 'percentage', 'score');
|
|
|
|
// getting all the questions
|
|
$questions = survey_manager::get_questions($_GET['survey_id']);
|
|
|
|
// displaying an information message that only the questions with predefined answers can be used in a comparative report
|
|
Display::display_normal_message(get_lang('OnlyQuestionsWithPredefinedAnswers'), false);
|
|
|
|
// The form for selecting the axis of the table
|
|
echo '<form id="form1" name="form1" method="get" action="'.api_get_self().'?action='.$_GET['action'].'&survey_id='.$_GET['survey_id'].'&xaxis='.$_GET['xaxis'].'&y='.$_GET['yaxis'].'">';
|
|
// survey_id
|
|
echo '<input type="hidden" name="action" value="'.$_GET['action'].'"/>';
|
|
echo '<input type="hidden" name="survey_id" value="'.(int)$_GET['survey_id'].'"/>';
|
|
// X axis
|
|
echo get_lang('SelectXAxis').': ';
|
|
echo '<select name="xaxis">';
|
|
echo '<option value="">---</option>';
|
|
foreach ($questions as $key=>$question)
|
|
{
|
|
if (in_array($question['type'], $allowed_question_types))
|
|
{
|
|
echo '<option value="'.$question['question_id'].'"';
|
|
if ($_GET['xaxis'] == $question['question_id'])
|
|
{
|
|
echo ' selected="selected"';
|
|
}
|
|
echo '">'.substr(strip_tags($question['question']), 0, 50).'</option>';
|
|
}
|
|
}
|
|
echo '</select><br /><br />';
|
|
// Y axis
|
|
echo get_lang('SelectYAxis').': ';
|
|
echo '<select name="yaxis">';
|
|
echo '<option value="">---</option>';
|
|
foreach ($questions as $key=>$question)
|
|
{
|
|
if (in_array($question['type'], $allowed_question_types))
|
|
{
|
|
echo '<option value="'.$question['question_id'].'"';
|
|
if ($_GET['yaxis'] == $question['question_id'])
|
|
{
|
|
echo ' selected="selected"';
|
|
}
|
|
echo '">'.substr(strip_tags($question['question']), 0, 50).'</option>';
|
|
}
|
|
}
|
|
echo '</select><br /><br />';
|
|
echo '<input type="submit" name="Submit" value="Submit" />';
|
|
echo '</form>';
|
|
|
|
// getting all the information of the x axis
|
|
if (isset($_GET['xaxis']) AND is_numeric($_GET['xaxis']))
|
|
{
|
|
$question_x = survey_manager::get_question($_GET['xaxis']);
|
|
}
|
|
|
|
// getting all the information of the y axis
|
|
if (isset($_GET['yaxis']) AND is_numeric($_GET['yaxis']))
|
|
{
|
|
$question_y = survey_manager::get_question($_GET['yaxis']);
|
|
}
|
|
|
|
if (isset($_GET['xaxis']) AND is_numeric($_GET['xaxis']) AND isset($_GET['yaxis']) AND is_numeric($_GET['yaxis']))
|
|
{
|
|
// getting the answers of the two questions
|
|
$answers_x = get_answers_of_question_by_user($_GET['survey_id'], $_GET['xaxis']);
|
|
$answers_y = get_answers_of_question_by_user($_GET['survey_id'], $_GET['yaxis']);
|
|
|
|
// displaying the table
|
|
echo '<table border="1" class="data_table">';
|
|
|
|
// the header
|
|
echo ' <tr>';
|
|
for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
{
|
|
if ($ii == 0)
|
|
{
|
|
echo ' <th> </th>';
|
|
}
|
|
else
|
|
{
|
|
if ($question_x['type']=='score')
|
|
{
|
|
for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
{
|
|
echo ' <th>'.$question_x['answers'][($ii-1)].'<br />'.$x.'</th>';
|
|
}
|
|
$x='';
|
|
}
|
|
else
|
|
{
|
|
echo ' <th>'.$question_x['answers'][($ii-1)].'</th>';
|
|
}
|
|
}
|
|
}
|
|
echo ' </tr>';
|
|
|
|
// the main part
|
|
for ($ij=0; $ij<count($question_y['answers']); $ij++)
|
|
{
|
|
// The Y axis is a scoring question type so we have more rows than the options (actually options * maximum score)
|
|
if ($question_y['type'] == 'score')
|
|
{
|
|
for($y=1; $y<=$question_y['maximum_score']; $y++)
|
|
{
|
|
echo ' <tr>';
|
|
for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
{
|
|
if ($question_x['type']=='score')
|
|
{
|
|
for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
{
|
|
if ($ii == 0)
|
|
{
|
|
echo ' <th>'.$question_y['answers'][($ij)].' '.$y.'</th>';
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], $x, $y);
|
|
echo '</td>';
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($ii == 0)
|
|
{
|
|
echo ' <th>'.$question_y['answers'][($ij)].' '.$y.'</th>';
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], 0, $y);
|
|
echo '</td>';
|
|
}
|
|
}
|
|
}
|
|
echo ' </tr>';
|
|
}
|
|
}
|
|
// The Y axis is NOT a score question type so the number of rows = the number of options
|
|
else
|
|
{
|
|
echo ' <tr>';
|
|
for ($ii=0; $ii<=count($question_x['answers']); $ii++)
|
|
{
|
|
if ($question_x['type']=='score')
|
|
{
|
|
for($x=1; $x<=$question_x['maximum_score']; $x++)
|
|
{
|
|
if ($ii == 0)
|
|
{
|
|
echo ' <th>'.$question_y['answers'][($ij)].'</th>';
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)], $x, 0);
|
|
echo '</td>';
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($ii == 0)
|
|
{
|
|
echo ' <th>'.$question_y['answers'][($ij)].'</th>';
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo comparative_check($answers_x, $answers_y, $question_x['answersid'][($ii-1)], $question_y['answersid'][($ij)]);
|
|
echo '</td>';
|
|
}
|
|
}
|
|
}
|
|
echo ' </tr>';
|
|
}
|
|
}
|
|
echo '</table>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* get all the answers of a question grouped by user
|
|
*
|
|
* @param integer $survey_id the id of the survey
|
|
* @param integer $question_id the id of the question
|
|
* @return array $return an array countaining all the answers of all the users grouped by user
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function get_answers_of_question_by_user($survey_id, $question_id)
|
|
{
|
|
// Database table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
$sql = "SELECT * FROM $table_survey_answer
|
|
WHERE survey_id='".Database::escape_string($survey_id)."'
|
|
AND question_id='".Database::escape_string($question_id)."'
|
|
ORDER BY USER ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
if ($row['value'] == 0)
|
|
{
|
|
$return[$row['user']][] = $row['option_id'];
|
|
}
|
|
else
|
|
{
|
|
$return[$row['user']][] = $row['option_id'].'*'.$row['value'];
|
|
}
|
|
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* count the number of users who answer positively on both options
|
|
*
|
|
* @param array $answers_x all the answers of the x axis
|
|
* @param array $answers_y all the answers of the y axis
|
|
* @param integer $option_x the x axis value (= the option_id of the first question)
|
|
* @param integer $option_y the y axis value (= the option_id of the second question)
|
|
* @return integer the number of users who have answered positively on both options
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function comparative_check($answers_x, $answers_y, $option_x, $option_y, $value_x=0, $value_y=0)
|
|
{
|
|
if ($value_x==0)
|
|
{
|
|
$check_x = $option_x;
|
|
}
|
|
else
|
|
{
|
|
$check_x = $option_x.'*'.$value_x;
|
|
}
|
|
if ($value_y==0)
|
|
{
|
|
$check_y = $option_y;
|
|
}
|
|
else
|
|
{
|
|
$check_y = $option_y.'*'.$value_y;
|
|
}
|
|
|
|
$counter = 0;
|
|
foreach ($answers_x as $user => $answers)
|
|
{
|
|
// check if the user has given $option_x as answer
|
|
if (in_array($check_x, $answers))
|
|
{
|
|
// check if the user has given $option_y as an answer
|
|
if (in_array($check_y, $answers_y[$user]))
|
|
{
|
|
$counter++;
|
|
}
|
|
}
|
|
}
|
|
return $counter;
|
|
}
|
|
?>
|