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3916 lines
136 KiB
3916 lines
136 KiB
<?php
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$config['survey']['debug'] = false;
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/*
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DOKEOS - elearning and course management software
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Copyright (c) 2008 Dokeos SPRL
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Copyright (c) 2006-2008 Patrick Cool
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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 du Corbeau, 108
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B-1030 Brussels - Belgium
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info@dokeos.com
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*/
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/**
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* @package dokeos.survey
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts (if not all) of the code
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* @version $Id: survey.lib.php 14822 2008-04-10 04:44:54Z yannoo $
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*
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* @todo move this file to inc/lib
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* @todo use consistent naming for the functions (save vs store for instance)
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*/
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require_once(api_get_path(LIBRARY_PATH).'usermanager.lib.php');
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class survey_manager
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{
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/******************************************************************************************************
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SURVEY FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function retrieves all the survey information
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*
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* @param integer $survey_id the id of the survey
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* @param boolean $shared this parameter determines if we have to get the information of a survey from the central (shared) database or from the
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* course database
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*
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*
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* @todo this is the same function as in create_new_survey.php
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*/
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function get_survey($survey_id,$shared=0)
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{
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global $_course;
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// table definition
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$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
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if ($shared<>0)
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{
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$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
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}
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$sql = "SELECT * FROM $table_survey WHERE survey_id='".Database::escape_string($survey_id)."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return = Database::fetch_array($result,'ASSOC');
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// we do this (temporarily) to have the array match the quickform elements immediately
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// idealiter the fields in the db match the quickform fields
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$return['survey_code'] = $return['code'];
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$return['survey_title'] = $return['title'];
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$return['survey_subtitle'] = $return['subtitle'];
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$return['survey_language'] = $return['lang'];
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$return['start_date'] = $return['avail_from'];
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$return['end_date'] = $return['avail_till'];
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$return['survey_share'] = $return['is_shared'];
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$return['survey_introduction'] = $return['intro'];
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$return['survey_thanks'] = $return['surveythanks'];
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return $return;
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}
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/**
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* This function stores a survey in the database.
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*
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* @param array $values
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* @return array $return the type of return message that has to be displayed and the message in it
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function store_survey($values)
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{
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global $_user;
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// table defnitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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if ($values['survey_share']['survey_share'] !== '0')
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{
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$shared_survey_id = survey_manager::store_shared_survey($values);
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}
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if (!$values['survey_id'] OR !is_numeric($values['survey_id']))
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{
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if ($values['anonymous']=='')
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{
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$values['anonymous']=0;
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}
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$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, avail_from, avail_till, is_shared, template, intro, surveythanks, creation_date, anonymous) VALUES (
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'".Database::escape_string($values['survey_code'])."',
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'".Database::escape_string($values['survey_title'])."',
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'".Database::escape_string($values['survey_subtitle'])."',
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'".Database::escape_string($_user['user_id'])."',
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'".Database::escape_string($values['survey_language'])."',
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'".Database::escape_string($values['start_date'])."',
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'".Database::escape_string($values['end_date'])."',
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'".Database::escape_string($shared_survey_id)."',
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'".Database::escape_string('template')."',
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'".Database::escape_string($values['survey_introduction'])."',
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'".Database::escape_string($values['survey_thanks'])."',
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'".date('Y-m-d H:i:s')."',
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'".Database::escape_string($values['anonymous'])."'
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)";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$survey_id = Database::insert_id();
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//$return['message'] = get_lang('SurveyCreatedSuccesfully').'<br />'.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
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//$return['message'] .= '<a href="survey.php?survey_id='.$survey_id.'">'.get_lang('ClickHere').'</a>';
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$return['message'] = 'SurveyCreatedSuccesfully';
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$return['type'] = 'confirmation';
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$return['id'] = $survey_id;
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}
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else
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{
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if ($values['anonymous']=='')
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{
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$values['anonymous']=0;
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}
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$sql = "UPDATE $table_survey SET
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code = '".Database::escape_string($values['survey_code'])."',
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title = '".Database::escape_string($values['survey_title'])."',
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subtitle = '".Database::escape_string($values['survey_subtitle'])."',
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author = '".Database::escape_string($_user['user_id'])."',
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lang = '".Database::escape_string($values['survey_language'])."',
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avail_from = '".Database::escape_string($values['start_date'])."',
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avail_till = '".Database::escape_string($values['end_date'])."',
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is_shared = '".Database::escape_string($shared_survey_id)."',
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template = '".Database::escape_string('template')."',
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intro = '".Database::escape_string($values['survey_introduction'])."',
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surveythanks = '".Database::escape_string($values['survey_thanks'])."',
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anonymous = '".Database::escape_string($values['anonymous'])."'
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WHERE survey_id = '".Database::escape_string($values['survey_id'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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//$return['message'] = get_lang('SurveyUpdatedSuccesfully').'<br />'.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
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//$return['message'] .= '<a href="survey.php?survey_id='.$values['survey_id'].'">'.get_lang('Here').'</a>';
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//$return['message'] .= get_lang('OrReturnToSurveyOverview').'<a href="survey_list.php">'.get_lang('Here').'</a>';
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$return['message'] = 'SurveyUpdatedSuccesfully';
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$return['type'] = 'confirmation';
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$return['id'] = $values['survey_id'];
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}
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return $return;
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}
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/**
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* This function stores a shared survey in the central database.
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*
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* @param array $values
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* @return array $return the type of return message that has to be displayed and the message in it
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function store_shared_survey($values)
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{
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global $_user;
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global $_course;
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// table defnitions
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$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY);
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if (!$values['survey_id'] OR !is_numeric($values['survey_id']) OR $values['survey_share']['survey_share'] == 'true')
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{
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$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, template, intro, surveythanks, creation_date, course_code) VALUES (
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'".Database::escape_string($values['survey_code'])."',
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'".Database::escape_string($values['survey_title'])."',
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'".Database::escape_string($values['survey_subtitle'])."',
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'".Database::escape_string($_user['user_id'])."',
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'".Database::escape_string($values['survey_language'])."',
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'".Database::escape_string('template')."',
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'".Database::escape_string($values['survey_introduction'])."',
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'".Database::escape_string($values['survey_thanks'])."',
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'".date('Y-m-d H:i:s')."',
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'".$_course['id']."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return = Database::insert_id();
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}
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else
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{
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$sql = "UPDATE $table_survey SET
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code = '".Database::escape_string($values['survey_code'])."',
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title = '".Database::escape_string($values['survey_title'])."',
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subtitle = '".Database::escape_string($values['survey_subtitle'])."',
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author = '".Database::escape_string($_user['user_id'])."',
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lang = '".Database::escape_string($values['survey_language'])."',
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template = '".Database::escape_string('template')."',
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intro = '".Database::escape_string($values['survey_introduction'])."',
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surveythanks = '".Database::escape_string($values['survey_thanks'])."'
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WHERE survey_id = '".Database::escape_string($values['survey_share']['survey_share'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return = $values['survey_share']['survey_share'];
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}
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return $return;
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}
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/**
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* This function deletes a survey (and also all the question in that survey
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*
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* @param $survey_id the id of the survey that has to be deleted
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function delete_survey($survey_id, $shared=false)
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{
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// Database table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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if ($shared)
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{
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$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY);
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}
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// deleting the survey
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$sql = "DELETE from $table_survey WHERE survey_id='".Database::escape_string($survey_id)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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// deleting the questions of the survey
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survey_manager::delete_all_survey_questions($survey_id, $shared);
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return true;
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}
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/**
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* This function duplicates a survey (and also all the question in that survey
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*
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* @param $survey_id the id of the survey that has to be duplicated
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* @return true
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*
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* @author Eric Marguin <e.marguin@elixir-interactive.com>, Elixir Interactive
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* @version October 2007
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*/
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function empty_survey($survey_id)
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{
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// Database table definitions
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$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
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$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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$datas = survey_manager::get_survey($survey_id);
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$sql = 'DELETE FROM '.$table_survey_invitation.' WHERE survey_code = "'.Database::escape_string($datas['code']).'"';
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api_sql_query($sql, __FILE__, __LINE__);
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$sql = 'DELETE FROM '.$table_survey_answer.' WHERE survey_id='.intval($survey_id);
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api_sql_query($sql, __FILE__, __LINE__);
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$sql = 'UPDATE '.$table_survey.' SET invited=0, answered=0 WHERE survey_id='.intval($survey_id);
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api_sql_query($sql, __FILE__, __LINE__);
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return true;
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}
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/**
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* This function recalculates the number of people who have taken the survey (=filled at least one question)
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*
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* @param $survey_id the id of the survey somebody
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* @return true
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function update_survey_answered($survey_id, $user, $survey_code)
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{
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global $_course;
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// Database table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
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$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION, $_course['db_name']);
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// getting a list with all the people who have filled the survey
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$people_filled = survey_manager::get_people_who_filled_survey($survey_id);
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$number = count($people_filled);
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// storing this value in the survey table
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$sql = "UPDATE $table_survey SET answered = '".Database::escape_string($number)."' WHERE survey_id = '".Database::escape_string($survey_id)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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// storing that the user has finished the survey.
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$sql = "UPDATE $table_survey_invitation SET answered='1' WHERE user='".Database::escape_string($user)."' AND survey_code='".Database::escape_string($survey_code)."'";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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}
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/**
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* This function gets a complete structure of a survey (all survey information, all question information
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* of all the questions and all the options of all the questions.
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*
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* @param integer $survey_id the id of the survey
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* @param boolean $shared this parameter determines if we have to get the information of a survey from the central (shared) database or from the
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* course database
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function get_complete_survey_structure($survey_id, $shared=0)
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{
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// Database table definitions
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$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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if ($shared<>0)
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{
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$table_survey = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
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$table_survey_question = Database :: get_course_table(TABLE_SHARED_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
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}
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$structure = survey_manager::get_survey($survey_id, $shared);
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$structure['questions'] = survey_manager::get_questions($survey_id);
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}
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/******************************************************************************************************
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SURVEY QUESTION FUNCTIONS
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*****************************************************************************************************/
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/**
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* This function return the "icon" of the question type
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version February 2007
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*/
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function icon_question($type)
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{
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// the possible question types
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$possible_types = array('yesno', 'multiplechoice', 'multipleresponse', 'open', 'dropdown', 'comment', 'pagebreak', 'percentage', 'score');
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// the images array
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$icon_question = array(
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'yesno' => 'yesno.gif',
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'multiplechoice' => 'mcua.gif',
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'multipleresponse' => 'mcma.gif',
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'open' => 'open_answer.gif',
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'dropdown' => 'dropdown.gif',
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'percentage' => 'percentagequestion.gif',
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'score' => 'scorequestion.gif',
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'comment' => 'commentquestion.gif',
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'pagebreak' => 'page_end.gif',
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);
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if (in_array($type, $possible_types))
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{
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return $icon_question[$type];
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}
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else
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{
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return false;
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}
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}
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/**
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* This function retrieves all the information of a question
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*
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* @param integer $question_id the id of the question
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*
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* @todo one sql call should do the trick
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*/
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function get_question($question_id, $shared=false)
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{
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// table definitions
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$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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if ($shared)
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{
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$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
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}
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// getting the information of the question
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$sql = "SELECT * FROM $tbl_survey_question WHERE question_id='".Database::escape_string($question_id)."' ORDER BY `sort`";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$row = Database::fetch_array($result,'ASSOC');
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$return['survey_id'] = $row['survey_id'];
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$return['question_id'] = $row['question_id'];
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$return['type'] = $row['type'];
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$return['question'] = $row['survey_question'];
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$return['horizontalvertical'] = $row['display'];
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$return['shared_question_id'] = $row['shared_question_id'];
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$return['maximum_score'] = $row['max_value'];
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// getting the information of the question options
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$sql = "SELECT * FROM $table_survey_question_option WHERE question_id='".Database::escape_string($question_id)."' ORDER BY `sort` ";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = Database::fetch_array($result,'ASSOC'))
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{
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/** @todo this should be renamed to options instead of answers */
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$return['answers'][] = $row['option_text'];
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/** @todo this can be done more elegantly (used in reporting) */
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$return['answersid'][] = $row['question_option_id'];
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}
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return $return;
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}
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|
|
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/**
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* This function gets all the question of any given survey
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*
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* @param integer $survey_id the id of the survey
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* @return array containing all the questions of the survey
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*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
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*
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* @todo one sql call should do the trick
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*/
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function get_questions($survey_id)
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{
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// table definitions
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$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
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// getting the information of the question
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$sql = "SELECT * FROM $tbl_survey_question WHERE survey_id='".Database::escape_string($survey_id)."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
$return[$row['question_id']]['survey_id'] = $row['survey_id'];
|
|
$return[$row['question_id']]['question_id'] = $row['question_id'];
|
|
$return[$row['question_id']]['type'] = $row['type'];
|
|
$return[$row['question_id']]['question'] = $row['survey_question'];
|
|
$return[$row['question_id']]['horizontalvertical'] = $row['display'];
|
|
$return[$row['question_id']]['maximum_score'] = $row['max_value'];
|
|
$return[$row['question_id']]['sort'] = $row['sort'];
|
|
|
|
}
|
|
|
|
// getting the information of the question options
|
|
$sql = "SELECT * FROM $table_survey_question_option WHERE survey_id='".Database::escape_string($survey_id)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
$return[$row['question_id']]['answers'][] = $row['option_text'];
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* This function saves a question in the database.
|
|
* This can be either an update of an existing survey or storing a new survey
|
|
*
|
|
* @param array $form_content all the information of the form
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function save_question($form_content)
|
|
{
|
|
if (strlen($form_content['question'])>1)
|
|
{ //checks lenght of the question
|
|
$empty_answer=false;
|
|
|
|
if ($form_content['type'] != 'percentage')
|
|
{
|
|
for($i=0;$i<count($form_content['answers']);$i++)
|
|
{
|
|
if (strlen($form_content['answers'][$i])<1)
|
|
{
|
|
$empty_answer=true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($form_content['type'] == 'score' )
|
|
{
|
|
if (strlen($form_content['maximum_score'])<1)
|
|
{
|
|
$empty_answer=true;
|
|
}
|
|
}
|
|
|
|
if (!$empty_answer)
|
|
{
|
|
global $_course;
|
|
// table definitions
|
|
$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
|
|
$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION, $_course['db_name']);
|
|
|
|
// getting all the information of the survey
|
|
$survey_data = survey_manager::get_survey($form_content['survey_id']);
|
|
|
|
// storing the question in the shared database
|
|
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] <> 0)
|
|
{
|
|
$shared_question_id = survey_manager::save_shared_question($form_content, $survey_data);
|
|
$form_content['shared_question_id'] = $shared_question_id;
|
|
}
|
|
|
|
// storing a new question
|
|
if ($form_content['question_id'] == '' OR !is_numeric($form_content['question_id']))
|
|
{
|
|
// finding the max sort order of the questions in the given survey
|
|
$sql = "SELECT max(sort) AS max_sort FROM $tbl_survey_question WHERE survey_id='".Database::escape_string($form_content['survey_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$row = Database::fetch_array($result,'ASSOC');
|
|
$max_sort = $row['max_sort'];
|
|
|
|
// adding the question to the survey_question table
|
|
$sql = "INSERT INTO $tbl_survey_question (survey_id,survey_question,survey_question_comment,type,display, sort, shared_question_id, max_value) VALUES (
|
|
'".Database::escape_string($form_content['survey_id'])."',
|
|
'".Database::escape_string($form_content['question'])."',
|
|
'".Database::escape_string($form_content['question_comment'])."',
|
|
'".Database::escape_string($form_content['type'])."',
|
|
'".Database::escape_string($form_content['horizontalvertical'])."',
|
|
'".Database::escape_string($max_sort+1)."',
|
|
'".Database::escape_string($form_content['shared_question_id'])."',
|
|
'".Database::escape_string($form_content['maximum_score'])."'
|
|
)";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$question_id = Database::insert_id();
|
|
$form_content['question_id'] = $question_id;
|
|
$return_message = 'QuestionAdded';
|
|
}
|
|
// updating an existing question
|
|
else
|
|
{
|
|
// adding the question to the survey_question table
|
|
$sql = "UPDATE $tbl_survey_question SET
|
|
survey_question = '".Database::escape_string($form_content['question'])."',
|
|
survey_question_comment = '".Database::escape_string($form_content['question_comment'])."',
|
|
display = '".Database::escape_string($form_content['horizontalvertical'])."',
|
|
max_value = '".Database::escape_string($form_content['maximum_score'])."'
|
|
WHERE question_id = '".Database::escape_string($form_content['question_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$return_message = 'QuestionUpdated';
|
|
}
|
|
// storing the options of the question
|
|
$message_options=survey_manager::save_question_options($form_content, $survey_data);
|
|
}
|
|
else
|
|
{
|
|
$return_message='PleasFillAllAnswer';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$return_message='PleaseEnterAQuestion';
|
|
}
|
|
return $return_message;
|
|
}
|
|
|
|
/**
|
|
* This function saves the question in the shared database
|
|
*
|
|
* @param array $form_content all the information of the form
|
|
* @param array $survey_data all the information of the survey
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*
|
|
* @todo editing of a shared question
|
|
*/
|
|
function save_shared_question($form_content, $survey_data)
|
|
{
|
|
global $_course;
|
|
|
|
// table definitions
|
|
$tbl_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
|
|
|
|
// storing a new question
|
|
if ($form_content['shared_question_id'] == '' OR !is_numeric($form_content['shared_question_id']))
|
|
{
|
|
// finding the max sort order of the questions in the given survey
|
|
$sql = "SELECT max(sort) AS max_sort FROM $tbl_survey_question
|
|
WHERE survey_id='".Database::escape_string($survey_data['survey_share'])."'
|
|
AND code='".Database::escape_string($_course['id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$row = Database::fetch_array($result,'ASSOC');
|
|
$max_sort = $row['max_sort'];
|
|
|
|
// adding the question to the survey_question table
|
|
$sql = "INSERT INTO $tbl_survey_question (survey_id, survey_question, survey_question_comment, type, display, sort, code) VALUES (
|
|
'".Database::escape_string($survey_data['survey_share'])."',
|
|
'".Database::escape_string($form_content['question'])."',
|
|
'".Database::escape_string($form_content['question_comment'])."',
|
|
'".Database::escape_string($form_content['type'])."',
|
|
'".Database::escape_string($form_content['horizontalvertical'])."',
|
|
'".Database::escape_string($max_sort+1)."',
|
|
'".Database::escape_string($_course['id'])."')";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$shared_question_id = Database::insert_id();
|
|
}
|
|
// updating an existing question
|
|
else
|
|
{
|
|
// adding the question to the survey_question table
|
|
$sql = "UPDATE $tbl_survey_question SET
|
|
survey_question = '".Database::escape_string($form_content['question'])."',
|
|
survey_question_comment = '".Database::escape_string($form_content['question_comment'])."',
|
|
display = '".Database::escape_string($form_content['horizontalvertical'])."'
|
|
WHERE question_id = '".Database::escape_string($form_content['shared_question_id'])."'
|
|
AND code='".Database::escape_string($_course['id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$shared_question_id = $form_content['shared_question_id'];
|
|
}
|
|
|
|
return $shared_question_id;
|
|
}
|
|
|
|
/**
|
|
* This functions moves a question of a survey up or down
|
|
*
|
|
* @param string $direction
|
|
* @param integer $survey_question_id
|
|
* @param integer $survey_id
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function move_survey_question($direction, $survey_question_id, $survey_id)
|
|
{
|
|
// table definition
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
|
|
if ($direction == 'moveup')
|
|
{
|
|
$sort = 'DESC';
|
|
}
|
|
if ($direction == 'movedown')
|
|
{
|
|
$sort = 'ASC';
|
|
}
|
|
|
|
// finding the two questions that needs to be swapped
|
|
$sql = "SELECT * FROM $table_survey_question WHERE survey_id='".Database::escape_string($survey_id)."' ORDER BY sort $sort";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$found = false;
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
if ($found == true)
|
|
{
|
|
$question_id_two = $row['question_id'];
|
|
$question_sort_two = $row['sort'];
|
|
$found = false;
|
|
}
|
|
if ($row['question_id'] == $survey_question_id)
|
|
{
|
|
$found = true;
|
|
$question_id_one = $row['question_id'];
|
|
$question_sort_one = $row['sort'];
|
|
}
|
|
}
|
|
|
|
$sql1 = "UPDATE $table_survey_question SET sort = '".Database::escape_string($question_sort_two)."' WHERE question_id='".Database::escape_string($question_id_one)."'";
|
|
$result = api_sql_query($sql1, __FILE__, __LINE__);
|
|
$sql2 = "UPDATE $table_survey_question SET sort = '".Database::escape_string($question_sort_one)."' WHERE question_id='".Database::escape_string($question_id_two)."'";
|
|
$result = api_sql_query($sql2, __FILE__, __LINE__);
|
|
}
|
|
|
|
|
|
/**
|
|
* This function deletes all the questions of a given survey
|
|
* This function is normally only called when a survey is deleted
|
|
*
|
|
* @param $survey_id the id of the survey that has to be deleted
|
|
* @return true
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function delete_all_survey_questions($survey_id, $shared=false)
|
|
{
|
|
// table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
if ($shared)
|
|
{
|
|
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
|
|
}
|
|
|
|
// deleting the survey questions
|
|
$sql = "DELETE from $table_survey_question WHERE survey_id='".Database::escape_string($survey_id)."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
|
// deleting all the options of the questions of the survey
|
|
survey_manager::delete_all_survey_questions_options($survey_id, $shared);
|
|
|
|
// deleting all the answers on this survey
|
|
survey_manager::delete_all_survey_answers($survey_id);
|
|
}
|
|
|
|
|
|
/**
|
|
* This function deletes a survey question and all its options
|
|
*
|
|
* @param integer $survey_id the id of the survey
|
|
* @param integer $question_id the id of the question
|
|
* @param integer $shared
|
|
*
|
|
* @todo also delete the answers to this question
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version March 2007
|
|
*/
|
|
function delete_survey_question($survey_id, $question_id, $shared=false)
|
|
{
|
|
// table definitions
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
if ($shared)
|
|
{
|
|
survey_manager::delete_shared_survey_question($survey_id, $question_id);
|
|
}
|
|
|
|
// deleting the survey questions
|
|
$sql = "DELETE from $table_survey_question WHERE survey_id='".Database::escape_string($survey_id)."' AND question_id='".Database::escape_string($question_id)."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
|
// deleting the options of the question of the survey
|
|
survey_manager::delete_survey_question_option($survey_id, $question_id, $shared);
|
|
}
|
|
|
|
/**
|
|
* This function deletes a shared survey question from the main database and all its options
|
|
*
|
|
* @param integer $question_id the id of the question
|
|
* @param integer $shared
|
|
*
|
|
* @todo delete all the options of this question
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version March 2007
|
|
*/
|
|
function delete_shared_survey_question($survey_id, $question_id)
|
|
{
|
|
// table definitions
|
|
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
|
|
|
|
// first we have to get the shared_question_id
|
|
$question_data = survey_manager::get_question($question_id);
|
|
|
|
// deleting the survey questions
|
|
$sql = "DELETE FROM $table_survey_question WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
|
// deleting the options of the question of the survey question
|
|
$sql = "DELETE FROM $table_survey_question_option WHERE question_id='".Database::escape_string($question_data['shared_question_id'])."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
|
|
/******************************************************************************************************
|
|
SURVEY QUESTION OPTIONS FUNCTIONS
|
|
*****************************************************************************************************/
|
|
|
|
/**
|
|
* This function stores the options of the questions in the table
|
|
*
|
|
* @param array $form_content
|
|
* @return
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo writing the update statement when editing a question
|
|
*/
|
|
function save_question_options($form_content, $survey_data)
|
|
{
|
|
// a percentage question type has options 1 -> 100
|
|
if ($form_content['type'] == 'percentage')
|
|
{
|
|
for($i=1;$i<101;$i++)
|
|
{
|
|
$form_content['answers'][] = $i;
|
|
}
|
|
}
|
|
|
|
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] <> 0)
|
|
{
|
|
survey_manager::save_shared_question_options($form_content, $survey_data);
|
|
}
|
|
|
|
// table defintion
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
|
// we are editing a question so we first have to remove all the existing options from the database
|
|
if (is_numeric($form_content['question_id']))
|
|
{
|
|
$sql = "DELETE FROM $table_survey_question_option WHERE question_id = '".Database::escape_string($form_content['question_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
|
|
$counter=1;
|
|
if(is_array($form_content['answers'])){
|
|
foreach ($form_content['answers'] as $key=>$answer)
|
|
{
|
|
$sql = "INSERT INTO $table_survey_question_option (question_id, survey_id, option_text, sort) VALUES (
|
|
'".Database::escape_string($form_content['question_id'])."',
|
|
'".Database::escape_string($form_content['survey_id'])."',
|
|
'".Database::escape_string($answer)."',
|
|
'".Database::escape_string($counter)."')";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$counter++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function stores the options of the questions in the shared table
|
|
*
|
|
* @param array $form_content
|
|
* @return
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*
|
|
* @todo writing the update statement when editing a question
|
|
*/
|
|
function save_shared_question_options($form_content, $survey_data)
|
|
{
|
|
// table defintion
|
|
$table_survey_question_option = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
|
|
|
|
// we are editing a question so we first have to remove all the existing options from the database
|
|
$sql = "DELETE FROM $table_survey_question_option WHERE question_id = '".Database::escape_string($form_content['shared_question_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
|
|
$counter = 1;
|
|
foreach ($form_content['answers'] as $key=>$answer)
|
|
{
|
|
$sql = "INSERT INTO $table_survey_question_option (question_id, survey_id, option_text, sort) VALUES (
|
|
'".Database::escape_string($form_content['shared_question_id'])."',
|
|
'".Database::escape_string($survey_data['is_shared'])."',
|
|
'".Database::escape_string($answer)."',
|
|
'".Database::escape_string($counter)."')";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$counter++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
if (is_numeric($survey_data['survey_share']) AND $survey_data['survey_share'] <> 0)
|
|
{
|
|
$form_content = survey_manager::save_shared_question($form_content, $survey_data);
|
|
}
|
|
*/
|
|
|
|
|
|
/**
|
|
* This function deletes all the options of the questions of a given survey
|
|
* This function is normally only called when a survey is deleted
|
|
*
|
|
* @param $survey_id the id of the survey that has to be deleted
|
|
* @return true
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function delete_all_survey_questions_options($survey_id, $shared=false)
|
|
{
|
|
// table definitions
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
if ($shared)
|
|
{
|
|
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
|
|
}
|
|
|
|
// deleting the options of the survey questions
|
|
$sql = "DELETE from $table_survey_question_option WHERE survey_id='".Database::escape_string($survey_id)."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
return true;
|
|
}
|
|
|
|
|
|
/**
|
|
* This function deletes the options of a given question
|
|
*
|
|
* @param unknown_type $survey_id
|
|
* @param unknown_type $question_id
|
|
* @param unknown_type $shared
|
|
* @return unknown
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version March 2007
|
|
*/
|
|
function delete_survey_question_option($survey_id, $question_id, $shared=false)
|
|
{
|
|
// table definitions
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
if ($shared)
|
|
{
|
|
$table_survey_question = Database :: get_main_table(TABLE_MAIN_SHARED_SURVEY_QUESTION_OPTION);
|
|
}
|
|
|
|
// deleting the options of the survey questions
|
|
$sql = "DELETE from $table_survey_question_option WHERE survey_id='".Database::escape_string($survey_id)."' AND question_id='".Database::escape_string($question_id)."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
/******************************************************************************************************
|
|
SURVEY ANSWERS FUNCTIONS
|
|
*****************************************************************************************************/
|
|
|
|
/**
|
|
* This function deletes all the answers anyone has given on this survey
|
|
* This function is normally only called when a survey is deleted
|
|
*
|
|
* @param $survey_id the id of the survey that has to be deleted
|
|
* @return true
|
|
*
|
|
* @todo write the function
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function delete_all_survey_answers($survey_id)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* This function gets all the persons who have filled the survey
|
|
*
|
|
* @param integer $survey_id
|
|
* @return array
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function get_people_who_filled_survey($survey_id, $all_user_info = false)
|
|
{
|
|
global $_course;
|
|
|
|
// Database table definition
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
|
|
$table_user = Database :: get_main_table('user');
|
|
|
|
// variable initialisation
|
|
$return = array();
|
|
|
|
// getting the survey information
|
|
$survey_data = survey_manager::get_survey($survey_id);
|
|
|
|
if ($all_user_info)
|
|
{
|
|
$sql = "SELECT DISTINCT answered_user.user as invited_user, user.firstname, user.lastname, user.user_id
|
|
FROM $table_survey_answer answered_user
|
|
LEFT JOIN $table_user as user
|
|
ON answered_user.user = user.user_id
|
|
WHERE survey_id= '".Database::escape_string($survey_data['survey_id'])."'";
|
|
}
|
|
else
|
|
{
|
|
$sql = "SELECT DISTINCT user FROM $table_survey_answer WHERE survey_id= '".Database::escape_string($survey_data['survey_id'])."'";
|
|
}
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($res,'ASSOC'))
|
|
{
|
|
if ($all_user_info)
|
|
{
|
|
$return[] = $row;
|
|
}
|
|
else
|
|
{
|
|
$return[] = $row['user'];
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
class question
|
|
{
|
|
// the html code of the form
|
|
public $html;
|
|
|
|
/**
|
|
* This function does the generic part of any survey question: the question field
|
|
*
|
|
* @return unknown
|
|
*/
|
|
/**
|
|
* This function does the generic part of any survey question: the question field
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo the form_text has to become a wysiwyg editor or adding a question_comment field
|
|
* @todo consider adding a question_comment form element
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
global $fck_attribute;
|
|
$this->html = '<form id="question_form" name="question_form" method="post" action="'.api_get_self().'?action='.$_GET['action'].'&type='.$_GET['type'].'&survey_id='.$_GET['survey_id'].'&question_id='.$_GET['question_id'].'">';
|
|
$this->html .= ' <input type="hidden" name="survey_id" id="survey_id" value="'.$_GET['survey_id'].'"/>';
|
|
$this->html .= ' <input type="hidden" name="question_id" id="question_id" value="'.$_GET['question_id'].'"/>';
|
|
$this->html .= ' <input type="hidden" name="shared_question_id" id="shared_question_id" value="'.$form_content['shared_question_id'].'"/>';
|
|
$this->html .= ' <input type="hidden" name="type" id="type" value="'.$_GET['type'].'"/>';
|
|
$this->html .= '<table>';
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('Question').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>';
|
|
//$this->html .= ' <td><label for="question">'.get_lang('Question').'</label></td>';
|
|
$fck_attribute['Width'] = '100%';
|
|
$fck_attribute['Height'] = '100';
|
|
$fck_attribute['ToolbarSet'] = 'Survey';
|
|
//$this->html .= ' <td><input type="text" name="question" id="question" value="'.$form_content['question'].'"/></td>';
|
|
$this->html .= ' <td colspan="3" width="500">'.api_return_html_area('question', html_entity_decode(stripslashes($form_content['question']))).'</td>';
|
|
$this->html .= ' </tr>';
|
|
/*
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td><label for="question_comment">'.get_lang('QuestionComment').'</label></td>';
|
|
$this->html .= ' <td><input type="text" name="question_comment" id="question_comment" value="'.$form_content['question_comment'].'"/></td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
*/
|
|
|
|
$this->html .=' <tr>
|
|
<td colspan=""> </td>
|
|
</tr>';
|
|
return $this->html;
|
|
}
|
|
|
|
/**
|
|
* This functions displays the form after the html variable has correctly been finished
|
|
* (adding a submit button, closing the table and closing the form)
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
*/
|
|
function render_form()
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' <td> <input type="submit" name="save_question" value="'.get_lang('SaveQuestion').'" /></td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= '</table>';
|
|
$this->html .= '</form>';
|
|
echo $this->html;
|
|
}
|
|
|
|
/**
|
|
* This function handles the actions on a question and its answers
|
|
*
|
|
* @todo consider using $form_content instead of $_POST
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function handle_action($form_content)
|
|
{
|
|
global $config;
|
|
|
|
// moving an answer up
|
|
if ($_POST['move_up'])
|
|
{
|
|
foreach ($_POST['move_up'] as $key=>$value)
|
|
{
|
|
$id1 = $key;
|
|
$content1 = $form_content['answers'][$id1];
|
|
$id2 = $key-1;
|
|
$content2 = $form_content['answers'][$id2];
|
|
$form_content['answers'][$id1] = $content2;
|
|
$form_content['answers'][$id2] = $content1;
|
|
}
|
|
}
|
|
|
|
// moving an answer down
|
|
if ($_POST['move_down'])
|
|
{
|
|
foreach ($_POST['move_down'] as $key=>$value)
|
|
{
|
|
$id1 = $key;
|
|
$content1 = $form_content['answers'][$id1];
|
|
$id2 = $key+1;
|
|
$content2 = $form_content['answers'][$id2];
|
|
$form_content['answers'][$id1] = $content2;
|
|
$form_content['answers'][$id2] = $content1;
|
|
}
|
|
}
|
|
|
|
// adding an answer
|
|
if ($_POST['add_answer'])
|
|
{
|
|
$form_content['answers'][]='';
|
|
}
|
|
|
|
// removing an answer
|
|
if ($_POST['remove_answer'])
|
|
{
|
|
$max_answer = count($form_content['answers']);
|
|
unset($form_content['answers'][$max_answer-1]);
|
|
}
|
|
|
|
// saving a question
|
|
if ($_POST['save_question'])
|
|
{
|
|
$message = survey_manager::save_question($form_content);
|
|
|
|
if ($message == 'QuestionAdded' || $message == 'QuestionUpdated' ) {
|
|
if ($config['survey']['debug'])
|
|
{
|
|
Display :: display_header();
|
|
Display :: display_confirmation_message($message.'<br />'.get_lang('ReturnTo').' <a href="survey.php?survey_id='.$_GET['survey_id'].'">'.get_lang('Survey').'</a>', false);
|
|
}
|
|
else
|
|
{
|
|
header('location:survey.php?survey_id='.Security::remove_XSS($_GET['survey_id']).'&message='.$message);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if ($message == 'PleaseEnterAQuestion' || $message=='PleasFillAllAnswer'){
|
|
$_SESSION['temp_user_message']=$form_content['question'];
|
|
$_SESSION['temp_sys_message']=$message;
|
|
$_SESSION['temp_answers']=$form_content['answers'];
|
|
header('location:question.php?'.api_get_cidreq().'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&action='.Security::remove_XSS($_GET['action']).'&type='.Security::remove_XSS($_GET['type']).'');
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This solution is a little bit strange but I could not find a different solution.
|
|
*/
|
|
if ($_POST['delete_answer'])
|
|
{
|
|
foreach ($_POST['delete_answer'] as $key=>$value)
|
|
{
|
|
unset($form_content['answers'][$key]);
|
|
$deleted = $key;
|
|
}
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
if ($key>$deleted)
|
|
{
|
|
$form_content['answers'][$key-1] = $form_content['answers'][$key];
|
|
unset($form_content['answers'][$key]);
|
|
}
|
|
}
|
|
}
|
|
return $form_content;
|
|
}
|
|
|
|
/**
|
|
* This functions adds two buttons. One to add an option, one to remove an option
|
|
*
|
|
* @param unknown_type $form_content
|
|
* @return html code
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function add_remove_buttons($form_content)
|
|
{
|
|
if (count($form_content['answers'])<=2)
|
|
{
|
|
$remove_answer_attribute = 'disabled="disabled"';
|
|
}
|
|
|
|
$return .= ' <tr>';
|
|
$return .= ' <td align="right"> </td>';
|
|
$return .= ' <td colspan="2">';
|
|
$return .= ' <input type="submit" name="remove_answer" value="'.get_lang('RemoveAnswer').'" '.$remove_answer_attribute.' />';
|
|
$return .= ' <input type="submit" name="add_answer" value="'.get_lang('AddAnswer').'" />';
|
|
$return .= ' </td>';
|
|
$return .= ' </tr>';
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* render the question. In this case this starts with the form tag
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
$this->html = '<form id="question" name="question" method="post" action="'.api_get_self().'?survey_id='.$_GET['survey_id'].'">';
|
|
echo $this->html;
|
|
}
|
|
}
|
|
|
|
class yesno extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the yesno questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>';
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .=' <tr>
|
|
<td colspan=""> </td>
|
|
</tr>';
|
|
|
|
// The options
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers[0]">1</label></td>';
|
|
//$this->html .= ' <td><input type="text" name="answers[0]" id="answers[0]" value="'.$form_content['answers'][0].'" /></td>';
|
|
$this->html .= ' <td>'.api_return_html_area('answers[0]', stripslashes($form_content['answers'][0])).'</td>';
|
|
$this->html .= ' <td><input type="image" src="../img/down.gif" value="move_down[0]" name="move_down[0]"/></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers[1]">2</label></td>';
|
|
//$this->html .= ' <td><input type="text" name="answers[1]" id="answers[1]" value="'.$form_content['answers'][1].'" /></td>';
|
|
$this->html .= ' <td>'.api_return_html_area('answers[1]', stripslashes($form_content['answers'][1])).'</td>';
|
|
$this->html .= ' <td><input type="image" src="../img/up.gif" value="move_up[1]" name="move_up[1]" /></td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
|
|
/**
|
|
* Render the yes not question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<label><input name="question'.$form_content['question_id'].'" type="radio" value="'.$key.'"';
|
|
if (in_array($key,$answers))
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.$value.'</label>';
|
|
if ($form_content['display'] == 'vertical')
|
|
{
|
|
$this->html .= '<br />';
|
|
}
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo $this->html;
|
|
echo '</div>';
|
|
echo '</div>';
|
|
}
|
|
|
|
}
|
|
|
|
class multiplechoice extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the multiple choice questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>'; $this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .=' <tr>
|
|
<td colspan=""> </td>
|
|
</tr>';
|
|
|
|
// The Options
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers['.$key.']">'.($key+1).'</label></td>';
|
|
//$this->html .= ' <td><input type="text" name="answers['.$key.']" id="answers['.$key.']" value="'.$form_content['answers'][$key].'" /></td>';
|
|
$this->html .= ' <td width="500">'.api_return_html_area('answers['.$key.']', html_entity_decode(stripslashes($form_content['answers'][$key]))).'</td>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
else
|
|
{
|
|
$this->html .= ' <img src="../img/spacer.gif" alt="'.get_lang('Empty').'" title="'.get_lang('Empty').'" />';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
else
|
|
{
|
|
$this->html .= ' <img src="../img/spacer.gif" alt="'.get_lang('Empty').'" title="'.get_lang('Empty').'" />';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* render the multiple choice question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @todo it would make more sense to consider yesno as a special case of multiplechoice and not the other way around
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
$question = new yesno();
|
|
$question->render_question($form_content, $answers);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
class multipleresponse extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the multiple response questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="2"><strong>'.get_lang('DisplayAnswersHorVert').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
// Horizontal or vertical
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right" valign="top"> </td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="horizontal" ';
|
|
if ($form_content['horizontalvertical'] == 'horizontal')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= '/>'.get_lang('Horizontal').'</label><br />';
|
|
$this->html .= ' <input name="horizontalvertical" type="radio" value="vertical" ';
|
|
if ($form_content['horizontalvertical'] == 'vertical')
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.get_lang('Vertical').'</label>'; $this->html .= ' </td>';
|
|
$this->html .= ' <td> </td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .=' <tr>
|
|
<td colspan=""> </td>
|
|
</tr>';
|
|
|
|
|
|
// The options
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers['.$key.']">'.($key+1).'</label></td>';
|
|
//$this->html .= ' <td><input type="text" name="answers['.$key.']" id="answers['.$key.']" value="'.$form_content['answers'][$key].'" /></td>';
|
|
$this->html .= ' <td width="500">'.api_return_html_area('answers['.$key.']', html_entity_decode(stripslashes($form_content['answers'][$key]))).'</td>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
else
|
|
{
|
|
$this->html .= ' <img src="../img/spacer.gif" alt="'.get_lang('Empty').'" title="'.get_lang('Empty').'" />';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
else
|
|
{
|
|
$this->html .= ' <img src="../img/spacer.gif" alt="'.get_lang('Empty').'" title="'.get_lang('Empty').'" />';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* Render the multiple response question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<label><input name="question'.$form_content['question_id'].'[]" type="checkbox" value="'.$key.'"';
|
|
if (in_array($key,$answers))
|
|
{
|
|
$this->html .= 'checked="checked"';
|
|
}
|
|
$this->html .= ' />'.$value.'</label>';
|
|
if ($form_content['display'] == 'vertical')
|
|
{
|
|
$this->html .= '<br />';
|
|
}
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo $this->html;
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
class dropdown extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the dropdown questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
// The answers
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers['.$key.']">'.($key+1).'</label></td>';
|
|
$this->html .= ' <td><input type="text" name="answers['.$key.']" id="answers['.$key.']" value="'.stripslashes(htmlentities($form_content['answers'][$key])).'" /></td>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
/**
|
|
* Render the dropdown question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<option value="'.$key.'" ';
|
|
if (in_array($key,$answers))
|
|
{
|
|
$this->html .= 'selected="selected"';
|
|
}
|
|
$this->html .= '>'.$value.'</option>';
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo '<select name="question'.$form_content['question_id'].'" id="select">';
|
|
echo $this->html;
|
|
echo '</select>';
|
|
echo '</div>';
|
|
/*
|
|
|
|
|
|
<option value="test">test</option>
|
|
|
|
*/
|
|
}
|
|
}
|
|
|
|
|
|
class open extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for the open questions
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo add a limit for the number of characters that can be type
|
|
* @todo add a checkbox weither the answer is a textarea or a wysiwyg editor
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
|
|
/**
|
|
* render the open question type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
if (is_array($answers))
|
|
{
|
|
$content = implode('',$answers);
|
|
}
|
|
else
|
|
{
|
|
$content = $answers;
|
|
}
|
|
echo '<label for="question'.$form_content['question_id'].'"></label><textarea name="question'.$form_content['question_id'].'" id="textarea" style="width: 400px; height: 130px;">'.$content.'</textarea>';
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
class comment extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for a comment.
|
|
* A comment is nothing more than a block of text that the user can read
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @param array $form_content
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
|
|
|
|
/**
|
|
* Render the comment "question" type
|
|
*
|
|
* @param unknown_type $form_content
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function render_question($form_content)
|
|
{
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '</div>';
|
|
echo "\n";
|
|
}
|
|
}
|
|
|
|
class pagebreak extends question
|
|
{
|
|
/**
|
|
* This function creates the form elements for a comment.
|
|
* A comment is nothing more than a block of text that the user can read
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @param array $form_content
|
|
*/
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
}
|
|
|
|
class percentage extends question
|
|
{
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
}
|
|
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
$this->html .= '<option value="--">--</option>';
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<option value="'.$key.'" ';
|
|
if (in_array($key,$answers))
|
|
{
|
|
$this->html .= 'selected="selected"';
|
|
}
|
|
$this->html .= '>'.$value.'</option>';
|
|
}
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
echo '<select name="question'.$form_content['question_id'].'" id="select">';
|
|
echo $this->html;
|
|
echo '</select>';
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
|
|
class score extends question
|
|
{
|
|
function create_form($form_content)
|
|
{
|
|
$this->html = parent::create_form($form_content);
|
|
// the maximum score that can be given
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('MaximumScore').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$this->html .= ' <tr>
|
|
<td colspan="3"><input type="text" name="maximum_score" value="'.$form_content['maximum_score'].'"></td>
|
|
</tr>';
|
|
// The answers
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td colspan="3"><strong>'.get_lang('AnswerOptions').'</strong></td>';
|
|
$this->html .= ' </tr>';
|
|
$total_number_of_answers = count($form_content['answers']);
|
|
foreach ($form_content['answers'] as $key=>$value)
|
|
{
|
|
$this->html .= ' <tr>';
|
|
$this->html .= ' <td align="right"><label for="answers['.$key.']">'.($key+1).'</label></td>';
|
|
//$this->html .= ' <td><input type="text" name="answers['.$key.']" id="answers['.$key.']" value="'.$form_content['answers'][$key].'" /></td>';
|
|
$this->html .= ' <td width="500">'.api_return_html_area('answers['.$key.']', stripslashes($form_content['answers'][$key])).'</td>';
|
|
$this->html .= ' <td>';
|
|
if ($key<$total_number_of_answers-1)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/down.gif" value="move_down['.$key.']" name="move_down['.$key.']"/>';
|
|
}
|
|
if ($key>0)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/up.gif" value="move_up['.$key.']" name="move_up['.$key.']"/>';
|
|
}
|
|
if ($total_number_of_answers> 2)
|
|
{
|
|
$this->html .= ' <input type="image" src="../img/delete.gif" value="delete_answer['.$key.']" name="delete_answer['.$key.']"/>';
|
|
}
|
|
$this->html .= ' </td>';
|
|
$this->html .= ' </tr>';
|
|
}
|
|
// The buttons for adding or removing
|
|
$this->html .= parent :: add_remove_buttons($form_content);
|
|
}
|
|
|
|
function render_question($form_content, $answers=array())
|
|
{
|
|
/*
|
|
echo '<div style="border: 1px solid red;">';
|
|
echo '<pre>';
|
|
print_r($answers);
|
|
echo '</pre></div>';
|
|
*/
|
|
$this->html = '<table>';
|
|
foreach ($form_content['options'] as $key=>$value)
|
|
{
|
|
$this->html .= '<tr>
|
|
<td>'.$value.'</td>';
|
|
$this->html .= ' <td>';
|
|
$this->html .= '<select name="question'.$form_content['question_id'].'['.$key.']">';
|
|
$this->html .= '<option value="--">--</option>';
|
|
for($i=1; $i<=$form_content['maximum_score']; $i++)
|
|
{
|
|
$this->html .= '<option value="'.$i.'"';
|
|
if ($answers[$key] == $i)
|
|
{
|
|
$this->html .= 'selected="selected" ';
|
|
}
|
|
$this->html .= '>'.$i.'</option>';
|
|
}
|
|
$this->html .= '</select>';
|
|
$this->html .= ' </td>';
|
|
$this->html .= '</tr>';
|
|
}
|
|
$this->html .= '</table>';
|
|
echo '<div class="survey_question_wrapper">';
|
|
echo '<div class="survey_question">'.$form_content['survey_question'].'</div>';
|
|
echo '<div class="survey_question_options">';
|
|
//echo '<select name="question'.$form_content['question_id'].'" id="select">';
|
|
echo $this->html;
|
|
//echo '</select>';
|
|
echo '</div>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This class offers a series of general utility functions for survey querying and display
|
|
* @package dokeos.survey
|
|
*/
|
|
class SurveyUtil {
|
|
/**
|
|
* Checks whether the given survey has a pagebreak question as the first or the last question.
|
|
* If so, break the current process, displaying an error message
|
|
* @param integer Survey ID (database ID)
|
|
* @param boolean Optional. Whether to continue the current process or exit when breaking condition found. Defaults to true (do not break).
|
|
* @return void
|
|
*/
|
|
function check_first_last_question($survey_id, $continue=true)
|
|
{
|
|
// table definitions
|
|
$tbl_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION);
|
|
|
|
// getting the information of the question
|
|
$sql = "SELECT * FROM $tbl_survey_question WHERE survey_id='".Database::escape_string($survey_id)."' ORDER BY sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$total = Database::num_rows($result);
|
|
$counter=1;
|
|
$error = false;
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
if ($counter == 1 AND $row['type'] == 'pagebreak')
|
|
{
|
|
Display::display_error_message(get_lang('PagebreakNotFirst'), false);
|
|
$error = true;
|
|
}
|
|
if ($counter == $total AND $row['type'] == 'pagebreak')
|
|
{
|
|
Display::display_error_message(get_lang('PagebreakNotLast'), false);
|
|
$error = true;
|
|
}
|
|
$counter++;
|
|
}
|
|
|
|
if (!$continue AND $error)
|
|
{
|
|
Display::display_footer();
|
|
exit;
|
|
}
|
|
}
|
|
/**
|
|
* This function removes an (or multiple) answer(s) of a user on a question of a survey
|
|
*
|
|
* @param mixed The user id or email of the person who fills the survey
|
|
* @param integer The survey id
|
|
* @param integer The question id
|
|
* @param integer The option id
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function remove_answer($user, $survey_id, $question_id)
|
|
{
|
|
global $_course;
|
|
// table definition
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
|
|
$sql = "DELETE FROM $table_survey_answer
|
|
WHERE user = '".Database::escape_string($user)."'
|
|
AND survey_id = '".Database::escape_string($survey_id)."'
|
|
AND question_id = '".Database::escape_string($question_id)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
/**
|
|
* This function stores an answer of a user on a question of a survey
|
|
*
|
|
* @param mixed The user id or email of the person who fills the survey
|
|
* @param integer Survey id
|
|
* @param integer Question id
|
|
* @param integer Option id
|
|
* @param string Option value
|
|
* @param array Survey data settings
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function store_answer($user, $survey_id, $question_id, $option_id, $option_value, $survey_data)
|
|
{
|
|
global $_course;
|
|
global $types;
|
|
// table definition
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
|
|
|
|
// make the survey anonymous
|
|
if ($survey_data['anonymous'] == 1)
|
|
{
|
|
if (!$_SESSION['surveyuser'])
|
|
{
|
|
$user = md5($user.time());
|
|
$_SESSION['surveyuser'] = $user;
|
|
}
|
|
else
|
|
{
|
|
$user = $_SESSION['surveyuser'];
|
|
}
|
|
}
|
|
$sql = "INSERT INTO $table_survey_answer (user, survey_id, question_id, option_id, value) VALUES (
|
|
'".Database::escape_string($user)."',
|
|
'".Database::escape_string($survey_id)."',
|
|
'".Database::escape_string($question_id)."',
|
|
'".Database::escape_string($option_id)."',
|
|
'".Database::escape_string($option_value)."'
|
|
)";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
/**
|
|
* This function checks the parameters that are used in this page
|
|
*
|
|
* @return string The header, an error and the footer if any parameter fails, else it returns true
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function check_parameters()
|
|
{
|
|
$error = false;
|
|
|
|
// getting the survey data
|
|
$survey_data = survey_manager::get_survey($_GET['survey_id']);
|
|
|
|
// $_GET['survey_id'] has to be numeric
|
|
if (!is_numeric($_GET['survey_id']))
|
|
{
|
|
$error = get_lang('IllegalSurveyId');
|
|
}
|
|
|
|
// $_GET['action']
|
|
$allowed_actions = array('overview', 'questionreport', 'userreport', 'comparativereport', 'completereport');
|
|
if (isset($_GET['action']) AND !in_array($_GET['action'], $allowed_actions))
|
|
{
|
|
$error = get_lang('ActionNotAllowed');
|
|
}
|
|
|
|
// user report
|
|
if ($_GET['action'] == 'userreport')
|
|
{
|
|
global $people_filled;
|
|
if ($survey_data['anonymous'] == 0)
|
|
{
|
|
$people_filled_full_data = true;
|
|
}
|
|
else
|
|
{
|
|
$people_filled_full_data = false;
|
|
}
|
|
$people_filled = survey_manager::get_people_who_filled_survey($_GET['survey_id'], $people_filled_full_data);
|
|
if ($survey_data['anonymous'] == 0)
|
|
{
|
|
foreach ($people_filled as $key=>$value)
|
|
{
|
|
$people_filled_userids[]=$value['invited_user'];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$people_filled_userids = $people_filled;
|
|
}
|
|
|
|
if (isset($_GET['user']) AND !in_array($_GET['user'], $people_filled_userids))
|
|
{
|
|
$error = get_lang('UnknowUser');
|
|
}
|
|
}
|
|
|
|
// question report
|
|
if ($_GET['action'] == 'questionreport')
|
|
{
|
|
if (isset($_GET['question'])AND !is_numeric($_GET['question']))
|
|
{
|
|
$error = get_lang('UnknowQuestion');
|
|
}
|
|
}
|
|
|
|
if ($error)
|
|
{
|
|
$tool_name = get_lang('Reporting');
|
|
Display::display_header($tool_name);
|
|
Display::display_error_message(get_lang('Error').': '.$error, false);
|
|
Display::display_footer();
|
|
exit;
|
|
}
|
|
else
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function deals with the action handling
|
|
* @return void
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function handle_reporting_actions()
|
|
{
|
|
// getting the number of question
|
|
$temp_questions_data = survey_manager::get_questions($_GET['survey_id']);
|
|
|
|
// sorting like they should be displayed and removing the non-answer question types (comment and pagebreak)
|
|
foreach ($temp_questions_data as $key=>$value)
|
|
{
|
|
if ($value['type'] <> 'comment' AND $value['type']<>'pagebreak')
|
|
{
|
|
$questions_data[$value['sort']]=$value;
|
|
}
|
|
}
|
|
|
|
// counting the number of questions that are relevant for the reporting
|
|
$survey_data['number_of_questions'] = count($questions_data);
|
|
|
|
if ($_GET['action'] == 'questionreport')
|
|
{
|
|
SurveyUtil::display_question_report($survey_data);
|
|
}
|
|
if ($_GET['action'] == 'userreport')
|
|
{
|
|
SurveyUtil::display_user_report();
|
|
}
|
|
if ($_GET['action'] == 'comparativereport')
|
|
{
|
|
SurveyUtil::display_comparative_report();
|
|
}
|
|
if ($_GET['action'] == 'completereport')
|
|
{
|
|
SurveyUtil::display_complete_report();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function displays the user report which is basically nothing more than a one-page display of all the questions
|
|
* of the survey that is filled with the answers of the person who filled the survey.
|
|
*
|
|
* @return string html code of the one-page survey with the answers of the selected user
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007 - Updated March 2008
|
|
*/
|
|
function display_user_report()
|
|
{
|
|
global $people_filled, $survey_data;
|
|
|
|
// 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);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// step 1: selection of the user
|
|
echo "<script language=\"JavaScript\" type=\"text/JavaScript\">
|
|
<!--
|
|
function jumpMenu(targ,selObj,restore)
|
|
{
|
|
eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
|
|
if (restore) selObj.selectedIndex=0;
|
|
}
|
|
//-->
|
|
</script>
|
|
";
|
|
echo get_lang('SelectUserWhoFilledSurvey').'<br />';
|
|
echo '<select name="user" onchange="jumpMenu(\'parent\',this,0)">';
|
|
echo '<option value="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">'.get_lang('SelectUser').'</option>';
|
|
|
|
foreach ($people_filled as $key=>$person)
|
|
{
|
|
if ($survey_data['anonymous'] == 0)
|
|
{
|
|
$name = $person['firstname'].' '.$person['lastname'];
|
|
$id = $person['user_id'];
|
|
}
|
|
else
|
|
{
|
|
$name = $key+1;
|
|
$id = $person;
|
|
}
|
|
echo '<option value="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$id.'" ';
|
|
if ($_GET['user'] == $person)
|
|
{
|
|
echo 'selected="selected"';
|
|
}
|
|
echo '>'.$name.'</option>';
|
|
}
|
|
echo '</select>';
|
|
|
|
// step 2: displaying the survey and the answer of the selected users
|
|
if (isset($_GET['user']))
|
|
{
|
|
Display::display_normal_message(get_lang('AllQuestionsOnOnePage'), false);
|
|
|
|
// getting all the questions and options
|
|
$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,
|
|
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))
|
|
{
|
|
if($row['type'] <> 'pagebreak')
|
|
{
|
|
$questions[$row['sort']]['question_id'] = $row['question_id'];
|
|
$questions[$row['sort']]['survey_id'] = $row['survey_id'];
|
|
$questions[$row['sort']]['survey_question'] = $row['survey_question'];
|
|
$questions[$row['sort']]['display'] = $row['display'];
|
|
$questions[$row['sort']]['type'] = $row['type'];
|
|
$questions[$row['sort']]['maximum_score'] = $row['max_value'];
|
|
$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
|
|
}
|
|
}
|
|
|
|
// getting all the answers of the user
|
|
$sql = "SELECT * FROM $table_survey_answer WHERE survey_id = '".Database::escape_string($_GET['survey_id'])."' AND user = '".Database::escape_string($_GET['user'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = mysql_fetch_assoc($result))
|
|
{
|
|
$answers[$row['question_id']][] = $row['option_id'];
|
|
$all_answers[$row['question_id']][] = $row;
|
|
}
|
|
// displaying all the questions
|
|
foreach ($questions as $key=>$question)
|
|
{
|
|
// if the question type is a scoring then we have to format the answers differently
|
|
if ($question['type'] == 'score')
|
|
{
|
|
foreach($all_answers[$question['question_id']] as $key=>$answer_array)
|
|
{
|
|
$second_parameter[$answer_array['option_id']] = $answer_array['value'];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
$second_parameter = $answers[$question['question_id']];
|
|
if ($question['type'] == 'open')
|
|
{
|
|
$second_parameter = array();
|
|
$second_parameter[] = $all_answers[$question['question_id']][0]['option_id'];
|
|
}
|
|
}
|
|
$display = new $question['type'];
|
|
$display->render_question($question, $second_parameter);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function displays the report by question.
|
|
*
|
|
* It displays a table with all the options of the question and the number of users who have answered positively on the option.
|
|
* The number of users who answered positive on a given option is expressed in an absolute number, in a percentage of the total
|
|
* and graphically using bars
|
|
* By clicking on the absolute number you get a list with the persons who have answered this.
|
|
* 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
|
|
* answers of that user.
|
|
*
|
|
* @param array All the survey data
|
|
* @return string html code that displays the report by question
|
|
* @todo allow switching between horizontal and vertical.
|
|
* @todo multiple response: percentage are probably not OK
|
|
* @todo the question and option text have to be shortened and should expand when the user clicks on it.
|
|
* @todo the pagebreak and comment question types should not be shown => removed from $survey_data before
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007 - Updated March 2008
|
|
*/
|
|
function display_question_report($survey_data)
|
|
{
|
|
// 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);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// determining the offset of the sql statement (the n-th question of the survey)
|
|
if (!isset($_GET['question']))
|
|
{
|
|
$offset = 0;
|
|
}
|
|
else
|
|
{
|
|
$offset = Database::escape_string($_GET['question']);
|
|
}
|
|
|
|
echo '<div id="question_report_questionnumbers">';
|
|
for($i=1; $i<=($survey_data['number_of_questions']); $i++ )
|
|
{
|
|
if ($offset <> $i-1)
|
|
{
|
|
echo '<a href="reporting.php?action=questionreport&survey_id='.(int)$_GET['survey_id'].'&question='.($i-1).'">'.$i.'</a>';
|
|
}
|
|
else
|
|
{
|
|
echo $i;
|
|
}
|
|
if ($i < $survey_data['number_of_questions'])
|
|
{
|
|
echo ' | ';
|
|
}
|
|
}
|
|
echo '</div>';
|
|
|
|
// getting the question information
|
|
$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";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$question = Database::fetch_array($result);
|
|
|
|
// navigate through the questions (next and previous)
|
|
if ($_GET['question'] <> 0)
|
|
{
|
|
echo '<a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.$_GET['survey_id'].'&question='.Security::remove_XSS($offset-1).'"> << '.get_lang('PreviousQuestion').'</a> ';
|
|
}
|
|
else
|
|
{
|
|
echo '<<'.get_lang('PreviousQuestion').' ';
|
|
}
|
|
echo ' | ';
|
|
if ($_GET['question'] < ($survey_data['number_of_questions']-1))
|
|
{
|
|
echo '<a href="reporting.php?action='.$_GET['action'].'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($offset+1).'">'.get_lang('NextQuestion').'>> </a>';
|
|
}
|
|
else
|
|
{
|
|
echo get_lang('NextQuestion'). '>>';
|
|
}
|
|
echo '<br />';
|
|
|
|
echo $question['survey_question'];
|
|
|
|
echo '<br />';
|
|
|
|
if ($question['type'] == 'score')
|
|
{
|
|
/** @todo this function should return the options as this is needed further in the code */
|
|
$options = SurveyUtil::display_question_report_score($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 ($row = Database::fetch_array($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 ($row = Database::fetch_array($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 ($row = Database::fetch_array($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'];
|
|
if($number_of_answers == 0)
|
|
{
|
|
$answers_number = 0;
|
|
}
|
|
else
|
|
{
|
|
$answers_number = $absolute_number/$number_of_answers*100;
|
|
}
|
|
echo ' <tr>';
|
|
echo ' <td>'.$value['option_text'].'</td>';
|
|
echo ' <td align="right"><a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($offset).'&viewoption='.$value['question_option_id'].'">'.$absolute_number.'</a></td>';
|
|
echo ' <td align="right">'.round($answers_number, 2).' %</td>';
|
|
echo ' <td align="right">';
|
|
$size = $answers_number*2;
|
|
if ($size > 0)
|
|
{
|
|
echo '<div style="border:1px solid #264269; background-color:#aecaf4; height:10px; width:'.$size.'px"> </div>';
|
|
}
|
|
echo ' </td>';
|
|
echo ' </tr>';
|
|
}
|
|
|
|
// displaying the table: footer (totals)
|
|
echo ' <tr>';
|
|
echo ' <td style="border-top:1px solid black;"><b>'.get_lang('Total').'</b></td>';
|
|
echo ' <td style="border-top:1px solid black;" align="right"><b>'.($number_of_answers==0?'0':$number_of_answers).'</b></td>';
|
|
echo ' <td style="border-top:1px solid black;"> </td>';
|
|
echo ' <td style="border-top:1px solid black;"> </td>';
|
|
echo ' </tr>';
|
|
|
|
echo '</table>';
|
|
}
|
|
|
|
if (isset($_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 ($row = Database::fetch_array($result))
|
|
{
|
|
echo '<a href="reporting.php?action=userreport&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$row['user'].'">'.$row['user'].'</a><br />';
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Display score data about a survey question
|
|
* @param array Question info
|
|
* @param integer The offset of results shown
|
|
* @return void (direct output)
|
|
*/
|
|
function display_question_report_score($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 ($row = Database::fetch_array($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 ($row = Database::fetch_array($result))
|
|
{
|
|
$number_of_answers += $row['total'];
|
|
$data[$row['option_id']][$row['value']] = $row;
|
|
}
|
|
// displaying the table: headers
|
|
echo '<table>';
|
|
echo ' <tr>';
|
|
echo ' <th> </th>';
|
|
echo ' <th>'.get_lang('Score').'</th>';
|
|
echo ' <th>'.get_lang('AbsoluteTotal').'</th>';
|
|
echo ' <th>'.get_lang('Percentage').'</th>';
|
|
echo ' <th>'.get_lang('VisualRepresentation').'</th>';
|
|
echo ' <tr>';
|
|
// displaying the table: the content
|
|
foreach ($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>'.$i.'</td>';
|
|
echo ' <td><a href="reporting.php?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&question='.Security::remove_XSS($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 string 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);
|
|
$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
|
|
|
|
// the form
|
|
echo '<form id="form1a" name="form1a" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
echo '<input type="hidden" name="export_report" value="export_report">';
|
|
echo '<input type="hidden" name="export_format" value="csv">';
|
|
echo '</form>';
|
|
echo '<form id="form1b" name="form1b" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
echo '<input type="hidden" name="export_report" value="export_report">';
|
|
echo '<input type="hidden" name="export_format" value="xls">';
|
|
echo '</form>';
|
|
echo '<form id="form2" name="form2" method="post" action="'.api_get_self().'?action='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'">';
|
|
echo '<a class="survey_export_link" href="#" onclick="document.form1a.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif"> '.get_lang('ExportAsCSV').'</a>';
|
|
echo '<a class="survey_export_link" href="#" onclick="document.form1b.submit();"><img align="absbottom" src="'.api_get_path(WEB_IMG_PATH).'excel.gif"> '.get_lang('ExportAsXLS').'</a>';
|
|
// the table
|
|
echo '<br /><table class="data_table" border="1">';
|
|
// getting the number of options per question
|
|
echo ' <tr>';
|
|
echo ' <th>';
|
|
if ($_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>';
|
|
|
|
$display_extra_user_fields = false;
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR !empty($_POST['fields_filter']))
|
|
{
|
|
//show user fields section with a big th colspan that spans over all fields
|
|
$extra_user_fields = UserManager::get_extra_fields(0,0,5,'ASC',false);
|
|
$num = count($extra_user_fields);
|
|
echo '<th '.($num>0?' colspan="'.$num.'"':'').'>';
|
|
echo '<label><input type="checkbox" name="fields_filter" value="1" checked="checked"/> ';
|
|
echo get_lang('UserFields');
|
|
echo '</label>';
|
|
echo '</th>';
|
|
$display_extra_user_fields = true;
|
|
}
|
|
|
|
$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 ($row = Database::fetch_array($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']] = $row;
|
|
}
|
|
echo ' </tr>';
|
|
// getting all the questions and options
|
|
echo ' <tr>';
|
|
echo ' <th> </th>'; // the user column
|
|
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR !empty($_POST['fields_filter']))
|
|
{
|
|
//show the fields names for user fields
|
|
foreach($extra_user_fields as $field)
|
|
{
|
|
echo '<th>'.$field[3].'</th>';
|
|
}
|
|
}
|
|
|
|
$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 ($row = Database::fetch_array($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 ($row = Database::fetch_array($result))
|
|
{
|
|
if ($old_user <> $row['user'] AND $old_user<>'')
|
|
{
|
|
SurveyUtil::display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions, $display_extra_user_fields);
|
|
$answers_of_user=array();
|
|
}
|
|
if ($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 = $row['user'];
|
|
}
|
|
SurveyUtil::display_complete_report_row($possible_answers, $answers_of_user, $old_user, $questions, $display_extra_user_fields); // this is to display the last user
|
|
|
|
echo '</table>';
|
|
|
|
echo '</form>';
|
|
}
|
|
|
|
|
|
/**
|
|
* This function displays a row (= a user and his/her answers) in the table of the complete report.
|
|
*
|
|
* @param array Possible options
|
|
* @param array User answers
|
|
* @param mixed User ID or user details string
|
|
* @param boolean Whether to show extra user fields or not
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007 - Updated March 2008
|
|
*/
|
|
function display_complete_report_row($possible_options, $answers_of_user, $user, $questions, $display_extra_user_fields=false)
|
|
{
|
|
global $survey_data;
|
|
|
|
$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION);
|
|
echo '<tr>';
|
|
if ($survey_data['anonymous'] == 0)
|
|
{
|
|
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($row = Database::fetch_array($rs))
|
|
{
|
|
$user_displayed = $row['lastname'].' '.$row['firstname'];
|
|
}
|
|
else
|
|
{
|
|
$user_displayed = '-';
|
|
}
|
|
echo ' <th><a href="'.api_get_self().'?action=userreport&survey_id='.Security::remove_XSS($_GET['survey_id']).'&user='.$user.'">'.$user_displayed.'</a></th>'; // the user column
|
|
}
|
|
else
|
|
{
|
|
echo ' <th>'.$user.'</th>'; // the user column
|
|
}
|
|
}
|
|
else
|
|
{
|
|
echo '<th>-</th>';
|
|
}
|
|
|
|
if ($display_extra_user_fields)
|
|
{
|
|
//show user fields data, if any, for this user
|
|
$user_fields_values = UserManager::get_extra_user_data(intval($user),false,false);
|
|
foreach($user_fields_values as $value)
|
|
{
|
|
echo '<td align="center">'.$value.'</td>';
|
|
}
|
|
}
|
|
|
|
foreach ($possible_options 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>';
|
|
}
|
|
|
|
|
|
/**
|
|
* Quite similar to display_complete_report(), returns an HTML string
|
|
* that can be used in a csv file
|
|
* @todo consider merging this function with display_complete_report
|
|
* @return string The contents 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 = ';';
|
|
|
|
//show extra fields blank space (enough for extra fields on next line)
|
|
$display_extra_user_fields = false;
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR !empty($_POST['fields_filter']))
|
|
{
|
|
//show user fields section with a big th colspan that spans over all fields
|
|
$extra_user_fields = UserManager::get_extra_fields(0,0,5,'ASC',false);
|
|
$num = count($extra_user_fields);
|
|
$return .= str_repeat(';',$num);
|
|
$display_extra_user_fields = true;
|
|
}
|
|
|
|
|
|
$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 $table_survey_question_option options
|
|
ON questions.question_id = options.question_id "
|
|
." AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
GROUP BY questions.question_id";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($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 (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
if($row['number_of_options'] == 0 && $row['type']=='open')
|
|
{
|
|
$return .= str_replace("\r\n",' ',html_entity_decode(strip_tags($row['survey_question']))).';';
|
|
}
|
|
else
|
|
{
|
|
for ($ii = 0; $ii < $row['number_of_options']; $ii ++)
|
|
{
|
|
$return .= str_replace("\r\n",' ',html_entity_decode(strip_tags($row['survey_question']))).';';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$return .= "\n";
|
|
|
|
// getting all the questions and options
|
|
$return .= ';';
|
|
|
|
//show extra field values
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR !empty($_POST['fields_filter']))
|
|
{
|
|
//show the fields names for user fields
|
|
foreach($extra_user_fields as $field)
|
|
{
|
|
$return .= '"'.str_replace("\r\n",' ',html_entity_decode(strip_tags($field[3]))).'";';
|
|
}
|
|
}
|
|
|
|
$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__);
|
|
$possible_answers = array();
|
|
$possible_answers_type = array();
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
// we show the options if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($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'];
|
|
$possible_answers_type[$row['question_id']] = $row['type'];
|
|
}
|
|
}
|
|
}
|
|
$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";
|
|
|
|
$open_question_iterator = 1;
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
if ($old_user <> $row['user'] AND $old_user <> '')
|
|
{
|
|
$return .= SurveyUtil::export_complete_report_row($possible_answers, $answers_of_user, $old_user, $display_extra_user_fields);
|
|
$answers_of_user=array();
|
|
}
|
|
if($possible_answers_type[$row['question_id']] == 'open')
|
|
{
|
|
$temp_id = 'open'.$open_question_iterator;
|
|
$answers_of_user[$row['question_id']][$temp_id] = $row;
|
|
$open_question_iterator++;
|
|
}
|
|
else
|
|
{
|
|
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
}
|
|
$old_user = $row['user'];
|
|
}
|
|
$return .= SurveyUtil::export_complete_report_row($possible_answers, $answers_of_user, $old_user, $display_extra_user_fields); // this is to display the last user
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* Add a line to the csv file
|
|
*
|
|
* @param array Possible answers
|
|
* @param array User's answers
|
|
* @param mixed User ID or user details as string - Used as a string in the result string
|
|
* @param boolean Whether to display user fields or not
|
|
* @return string One line of the csv file
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function export_complete_report_row($possible_options, $answers_of_user, $user, $display_extra_user_fields=false)
|
|
{
|
|
$return = $user.';'; // the user column
|
|
|
|
if($display_extra_user_fields)
|
|
{
|
|
//show user fields data, if any, for this user
|
|
$user_fields_values = UserManager::get_extra_user_data(intval($user),false,false);
|
|
foreach($user_fields_values as $value)
|
|
{
|
|
$return .= '"'.str_replace('"','""',html_entity_decode(strip_tags($value))).'";';
|
|
}
|
|
}
|
|
|
|
|
|
if(is_array($possible_options))
|
|
{
|
|
foreach ($possible_options as $question_id=>$possible_option)
|
|
{
|
|
if(is_array($possible_option) && count($possible_option)>0)
|
|
{
|
|
foreach ($possible_option as $option_id=>$value)
|
|
{
|
|
$key = array_keys($answers_of_user[$question_id]);
|
|
if(substr($key[0],0,4)=='open')
|
|
{
|
|
$return .= '"'.str_replace('"','""',html_entity_decode(strip_tags($answers_of_user[$question_id][$key[0]]['option_id']))).'"';
|
|
}
|
|
elseif (!empty($answers_of_user[$question_id][$option_id]))
|
|
{
|
|
$return .= 'v';
|
|
}
|
|
$return .= ';';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$return .= "\n";
|
|
return $return;
|
|
}
|
|
/**
|
|
* Quite similar to display_complete_report(), returns an HTML string
|
|
* that can be used in a csv file
|
|
* @todo consider merging this function with display_complete_report
|
|
* @return string The contents of a csv file
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function export_complete_report_xls($filename)
|
|
{
|
|
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 1');
|
|
$line = 0;
|
|
$column = 1; //skip the first column (row titles)
|
|
|
|
//show extra fields blank space (enough for extra fields on next line)
|
|
$display_extra_user_fields = false;
|
|
if (!($_POST['submit_question_filter'] OR $_POST['export_report']) OR !empty($_POST['fields_filter']))
|
|
{
|
|
//show user fields section with a big th colspan that spans over all fields
|
|
$extra_user_fields = UserManager::get_extra_fields(0,0,5,'ASC',false);
|
|
$num = count($extra_user_fields);
|
|
for($i=0;$i<$num;$i++)
|
|
{
|
|
$worksheet->write($line,$column,'');
|
|
$column ++;
|
|
}
|
|
$display_extra_user_fields = true;
|
|
}
|
|
|
|
// 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);
|
|
|
|
// First line (questions)
|
|
$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 $table_survey_question_option options
|
|
ON questions.question_id = options.question_id "
|
|
." AND questions.survey_id = '".Database::escape_string($_GET['survey_id'])."'
|
|
GROUP BY questions.question_id";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($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 (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
if($row['number_of_options'] == 0 && $row['type']=='open')
|
|
{
|
|
$worksheet->write($line,$column,html_entity_decode(strip_tags($row['survey_question'])));
|
|
$column ++;
|
|
}
|
|
else
|
|
{
|
|
for ($ii = 0; $ii < $row['number_of_options']; $ii ++)
|
|
{
|
|
$worksheet->write($line,$column,html_entity_decode(strip_tags($row['survey_question'])));
|
|
$column ++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$line++;
|
|
$column = 1;
|
|
|
|
//show extra field values
|
|
if ($display_extra_user_fields)
|
|
{
|
|
//show the fields names for user fields
|
|
foreach($extra_user_fields as $field)
|
|
{
|
|
$worksheet->write($line,$column,html_entity_decode(strip_tags($field[3])));
|
|
$column++;
|
|
}
|
|
}
|
|
|
|
// getting all the questions and options (second line)
|
|
$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__);
|
|
$possible_answers = array();
|
|
$possible_answers_type = array();
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
// we show the options if
|
|
// 1. there is no question filter and the export button has not been clicked
|
|
// 2. there is a quesiton filter but the question is selected for display
|
|
if (!($_POST['submit_question_filter']) OR (is_array($_POST['questions_filter']) && in_array($row['question_id'], $_POST['questions_filter'])))
|
|
{
|
|
// we do not show comment and pagebreak question types
|
|
if ($row['type'] <> 'comment' AND $row['type'] <> 'pagebreak')
|
|
{
|
|
$worksheet->write($line,$column,html_entity_decode(strip_tags($row['option_text'])));
|
|
$possible_answers[$row['question_id']][$row['question_option_id']] =$row['question_option_id'];
|
|
$possible_answers_type[$row['question_id']] = $row['type'];
|
|
$column++;
|
|
}
|
|
}
|
|
}
|
|
|
|
// getting all the answers of the users
|
|
$line ++;
|
|
$column = 0;
|
|
$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";
|
|
$open_question_iterator = 1;
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
if ($old_user <> $row['user'] AND $old_user <> '')
|
|
{
|
|
$return = SurveyUtil::export_complete_report_row_xls($possible_answers, $answers_of_user, $old_user, $display_extra_user_fields);
|
|
foreach($return as $elem)
|
|
{
|
|
$worsheet->write($line,$column,$elem);
|
|
$column++;
|
|
}
|
|
$answers_of_user=array();
|
|
$line++;
|
|
$column=0;
|
|
}
|
|
if($possible_answers_type[$row['question_id']] == 'open')
|
|
{
|
|
$temp_id = 'open'.$open_question_iterator;
|
|
$answers_of_user[$row['question_id']][$temp_id] = $row;
|
|
$open_question_iterator++;
|
|
}
|
|
else
|
|
{
|
|
$answers_of_user[$row['question_id']][$row['option_id']] = $row;
|
|
}
|
|
$old_user = $row['user'];
|
|
}
|
|
$return = SurveyUtil::export_complete_report_row_xls($possible_answers, $answers_of_user, $old_user); // this is to display the last user
|
|
foreach($return as $elem)
|
|
{
|
|
$worksheet->write($line,$column,$elem);
|
|
$column++;
|
|
}
|
|
$workbook->close();
|
|
return null;
|
|
}
|
|
|
|
|
|
/**
|
|
* Add a line to the csv file
|
|
*
|
|
* @param array Possible answers
|
|
* @param array User's answers
|
|
* @param mixed User ID or user details as string - Used as a string in the result string
|
|
* @param boolean Whether to display user fields or not
|
|
* @return string One line of the csv file
|
|
*/
|
|
function export_complete_report_row_xls($possible_options, $answers_of_user, $user, $display_extra_user_fields=false)
|
|
{
|
|
$return = array();
|
|
$return[] = $user; // the user column
|
|
|
|
if($display_extra_user_fields)
|
|
{
|
|
//show user fields data, if any, for this user
|
|
$user_fields_values = UserManager::get_extra_user_data(intval($user),false,false);
|
|
foreach($user_fields_values as $value)
|
|
{
|
|
$return[] = html_entity_decode(strip_tags($value));
|
|
}
|
|
}
|
|
|
|
if(is_array($possible_options))
|
|
{
|
|
foreach ($possible_options as $question_id=>$possible_option)
|
|
{
|
|
if(is_array($possible_option) && count($possible_option)>0)
|
|
{
|
|
foreach ($possible_option as $option_id=>$value)
|
|
{
|
|
$key = array_keys($answers_of_user[$question_id]);
|
|
if(substr($key[0],0,4)=='open')
|
|
{
|
|
$return[] = html_entity_decode(strip_tags($answers_of_user[$question_id][$key[0]]['option_id']));
|
|
}
|
|
elseif (!empty($answers_of_user[$question_id][$option_id]))
|
|
{
|
|
$return[] = 'v';
|
|
}
|
|
else
|
|
{
|
|
$return[] = '';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
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 string 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='.Security::remove_XSS($_GET['action']).'&survey_id='.Security::remove_XSS($_GET['survey_id']).'&xaxis='.Security::remove_XSS($_GET['xaxis']).'&y='.Security::remove_XSS($_GET['yaxis']).'">';
|
|
// survey_id
|
|
echo '<input type="hidden" name="action" value="'.Security::remove_XSS($_GET['action']).'"/>';
|
|
echo '<input type="hidden" name="survey_id" value="'.(int)$_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
|
|
$answers_x = SurveyUtil::get_answers_of_question_by_user($_GET['survey_id'], $_GET['xaxis']);
|
|
$answers_y = SurveyUtil::get_answers_of_question_by_user($_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)].' '.$y.'</th>';
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo SurveyUtil::comparative_check($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)].' '.$y.'</th>';
|
|
}
|
|
else
|
|
{
|
|
echo ' <td align="center">';
|
|
echo SurveyUtil::comparative_check($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 SurveyUtil::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 SurveyUtil::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
|
|
* @param integer Question ID
|
|
* @return Array Array containing all answers of all users, grouped by user
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007 - Updated March 2008
|
|
*/
|
|
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 ($row = Database::fetch_array($result))
|
|
{
|
|
if ($row['value'] == 0)
|
|
{
|
|
$return[$row['user']][] = $row['option_id'];
|
|
}
|
|
else
|
|
{
|
|
$return[$row['user']][] = $row['option_id'].'*'.$row['value'];
|
|
}
|
|
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
|
|
/**
|
|
* Count the number of users who answer positively on both options
|
|
*
|
|
* @param array All answers of the x axis
|
|
* @param array All answers of the y axis
|
|
* @param integer x axis value (= the option_id of the first question)
|
|
* @param integer y axis value (= the option_id of the second question)
|
|
* @return integer Number of users who have answered positively to both options
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version February 2007
|
|
*/
|
|
function comparative_check($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;
|
|
}
|
|
/**
|
|
* Get all the information about the invitations of a certain survey
|
|
*
|
|
* @return array Lines of invitation [user, code, date, empty element]
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo use survey_id parameter instead of $_GET
|
|
*/
|
|
function get_survey_invitations_data()
|
|
{
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
|
|
$sql = "SELECT
|
|
survey_invitation.user as col1,
|
|
survey_invitation.invitation_code as col2,
|
|
survey_invitation.invitation_date as col3,
|
|
'' as col4
|
|
FROM $table_survey_invitation survey_invitation
|
|
LEFT JOIN $table_user user ON survey_invitation.user = user.user_id
|
|
WHERE survey_invitation.survey_id = '".Database::escape_string($_GET['survey_id'])."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($res))
|
|
{
|
|
$survey_invitation_data[] = $row;
|
|
}
|
|
return $survey_invitation_data;
|
|
}
|
|
|
|
/**
|
|
* Get the total number of survey invitations for a given survey (through $_GET['survey_id'])
|
|
*
|
|
* @return integer Total number of survey invitations
|
|
*
|
|
* @todo use survey_id parameter instead of $_GET
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function get_number_of_survey_invitations()
|
|
{
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
|
$sql = "SELECT count(user) AS total FROM $table_survey_invitation WHERE survey_id='".Database::escape_string($_GET['survey_id'])."'";
|
|
$res = api_sql_query($sql, __FILE__, __LINE__);
|
|
$row = mysql_fetch_assoc($res);
|
|
return $row['total'];
|
|
}
|
|
/**
|
|
* Save the invitation mail
|
|
*
|
|
* @param string Text of the e-mail
|
|
* @param integer Whether the mail contents are for invite mail (0, default) or reminder mail (1)
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function save_invite_mail($mailtext, $reminder=0)
|
|
{
|
|
// Database table definition
|
|
$table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
|
|
// reminder or not
|
|
if ($reminder == 0)
|
|
{
|
|
$mail_field = 'invite_mail';
|
|
}
|
|
else
|
|
{
|
|
$mail_field = 'reminder_mail';
|
|
}
|
|
|
|
$sql = "UPDATE $table_survey SET $mail_field = '".Database::escape_string($mailtext)."' WHERE survey_id = '".Database::escape_string($_GET['survey_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
|
|
/**
|
|
* This function saves all the invitations of course users and additional users in the
|
|
*
|
|
* @param array Users array
|
|
* @param string Title of the invitation, used as the title of the mail
|
|
* @param string Text of the invitation, used as the text of the mail.
|
|
* The text has to contain a **link** string or this will automatically be added to the end
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo create the survey link
|
|
*/
|
|
function save_invitations($users_array, $invitation_title, $invitation_text, $reminder=0, $sendmail = 0)
|
|
{
|
|
global $_user;
|
|
global $_course;
|
|
global $_configuration;
|
|
|
|
// getting the survey information
|
|
$survey_data = survey_manager::get_survey($_GET['survey_id']);
|
|
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
$table_user = Database :: get_main_table(TABLE_MAIN_USER);
|
|
|
|
$already_invited = array();
|
|
$survey_invitations = array();
|
|
// get the people who are already invited
|
|
if ($reminder == 1)
|
|
{
|
|
$survey_invitations = SurveyUtil::get_invitations($survey_data['survey_code']);
|
|
}
|
|
else
|
|
{
|
|
$already_invited = SurveyUtil::get_invited_users($survey_data['code']);
|
|
}
|
|
|
|
$counter = 0;
|
|
if (is_array($users_array))
|
|
{
|
|
foreach ($users_array as $key=>$value)
|
|
{
|
|
if(isset($value))
|
|
{
|
|
// generating the unique code
|
|
if(is_array($survey_invitations))
|
|
{
|
|
if ($reminder == 1 AND array_key_exists($value,$survey_invitations))
|
|
{
|
|
$invitation_code = $survey_invitations[$value]['invitation_code'];
|
|
}
|
|
else
|
|
{
|
|
$invitation_code = md5($value.microtime());
|
|
}
|
|
}
|
|
$survey_link = '';
|
|
$full_invitation_text= '';
|
|
|
|
// storing the invitation (only if the user_id is not in $already_invited['course_users'] OR email is not in $already_invited['additional_users']
|
|
$add_users_array = explode(';',$already_invited['additional_users']);
|
|
if ((is_numeric($value) AND !in_array($value,$already_invited['course_users'])) OR (!is_numeric($value) AND !in_array($value,$add_users_array)))
|
|
{
|
|
if(is_array($survey_invitations))
|
|
{
|
|
if (!array_key_exists($value,$survey_invitations))
|
|
{
|
|
$sql = "INSERT INTO $table_survey_invitation (user, survey_code, invitation_code, invitation_date) VALUES
|
|
('".Database::escape_string($value)."','".Database::escape_string($survey_data['code'])."','".Database::escape_string($invitation_code)."','".Database::escape_string(date('Y-m-d H:i:s'))."')";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
}
|
|
// replacing the **link** part with a valid link for the user
|
|
$survey_link = $_configuration['root_web'].$_configuration['code_append'].'survey/'.'fillsurvey.php?course='.$_course['sysCode'].'&invitationcode='.$invitation_code;
|
|
$text_link = '<a href="'.$survey_link.'">'.get_lang('ClickHereToAnswerTheSurvey')."</a><br />\r\n<br />\r\n".get_lang('OrCopyPasteTheFollowingUrl')." <br />\r\n ".$survey_link;
|
|
|
|
$replace_count = 0;
|
|
$full_invitation_text = str_ireplace('**link**', $text_link ,$invitation_text, $replace_count);
|
|
if ($replace_count < 1)
|
|
{
|
|
$full_invitation_text = $full_invitation_text . "<br />\r\n<br />\r\n".$text_link;
|
|
}
|
|
|
|
|
|
// optionally: finding the e-mail of the course user
|
|
if (is_numeric($value))
|
|
{
|
|
$sql = "SELECT firstname, lastname, email FROM $table_user WHERE user_id='".Database::escape_string($value)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$row = Database::fetch_array($result);
|
|
$recipient_email = $row['email'];
|
|
$recipient_name = $row['firstname'].' '.$row['lastname'];
|
|
}
|
|
else
|
|
{
|
|
/** @todo check if the $value is a valid email */
|
|
$recipient_email = $value;
|
|
}
|
|
|
|
// sending the mail
|
|
$sender_name = $_user['firstName'].' '.$_user['lastName'];
|
|
$sender_email = $_user['mail'];
|
|
|
|
$replyto = array();
|
|
if(api_get_setting('survey_email_sender_noreply')=='noreply')
|
|
{
|
|
$noreply = api_get_setting('noreply_email_address');
|
|
if(!empty($noreply))
|
|
{
|
|
$replyto['Reply-to'] = $noreply;
|
|
$sender_name = $noreply;
|
|
$sender_email = $noreply;
|
|
}
|
|
}
|
|
if ($sendmail<>0)
|
|
{
|
|
api_mail_html($recipient_name, $recipient_email, $invitation_title, $full_invitation_text, $sender_name, $sender_email, $replyto);
|
|
}
|
|
$counter++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return $counter;
|
|
}
|
|
|
|
/**
|
|
* This function recalculates the number of users who have been invited and updates the survey table with this value.
|
|
*
|
|
* @param string Survey code
|
|
* @return void
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function update_count_invited($survey_code)
|
|
{
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
$table_survey = Database :: get_course_table(TABLE_SURVEY);
|
|
|
|
// counting the number of people that are invited
|
|
$sql = "SELECT count(user) as total FROM $table_survey_invitation WHERE survey_code = '".Database::escape_string($survey_code)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$row = Database::fetch_array($result);
|
|
$total_invited = $row['total'];
|
|
|
|
// updating the field in the survey table
|
|
$sql = "UPDATE $table_survey SET invited = '".Database::escape_string($total_invited)."' WHERE code = '".Database::escape_string($survey_code)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
}
|
|
|
|
/**
|
|
* This function gets all the invited users for a given survey code.
|
|
*
|
|
* @param string Survey code
|
|
* @return array Array containing the course users and additional users (non course users)
|
|
*
|
|
* @todo consider making $defaults['additional_users'] also an array
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function get_invited_users($survey_code)
|
|
{
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
|
// Selecting all the invitations of this survey
|
|
$sql = "SELECT user FROM $table_survey_invitation WHERE survey_code='".Database::escape_string($survey_code)."'";
|
|
|
|
$defaults = array();
|
|
$defaults['course_users'] = array();
|
|
$defaults['additional_users'] = '';
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
if (is_numeric($row['user']))
|
|
{
|
|
$defaults['course_users'][] = $row['user'];
|
|
}
|
|
else
|
|
{
|
|
if (empty($defaults['additional_users']))
|
|
{
|
|
$defaults['additional_users'] = $row['user'];
|
|
}
|
|
else
|
|
{
|
|
$defaults['additional_users'] .= ';'.$row['user'];
|
|
}
|
|
}
|
|
}
|
|
return $defaults;
|
|
}
|
|
/**
|
|
* Get all the invitations
|
|
*
|
|
* @param string Survey code
|
|
* @return array Database rows matching the survey code
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version September 2007
|
|
*/
|
|
function get_invitations($survey_code)
|
|
{
|
|
// Database table definition
|
|
$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
|
|
|
|
$sql = "SELECT * FROM $table_survey_invitation WHERE survey_code = '".Database::escape_string($survey_code)."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$return = array();
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
$return[$row['user']] = $row;
|
|
}
|
|
return $return;
|
|
}
|
|
/**
|
|
* This function displays the form for searching a survey
|
|
*
|
|
* @return void (direct output)
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*
|
|
* @todo use quickforms
|
|
* @todo consider moving this to surveymanager.inc.lib.php
|
|
*/
|
|
function display_survey_search_form()
|
|
{
|
|
echo '<form method="get" action="survey_list.php?search=advanced">';
|
|
echo '<table>
|
|
<tr>
|
|
<td>'.get_lang('Title').'</td>
|
|
<td><input type="text" name="keyword_title"/></td>
|
|
</tr>
|
|
<tr>
|
|
<td>'.get_lang('Code').'</td>
|
|
<td><input type="text" name="keyword_code"/></td>
|
|
</tr>
|
|
<tr>
|
|
<td>'.get_lang('Language').'</td>
|
|
<td>
|
|
<select name="keyword_language"><option value="%">'.get_lang('All').'</option>';
|
|
$languages = api_get_languages();
|
|
foreach ($languages['name'] as $index => $name)
|
|
{
|
|
echo '<option value="'.$languages['folder'][$index].'">'.$name.'</option>';
|
|
}
|
|
echo ' </select>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td> </td>
|
|
<td><input type="submit" name="do_search" value="'.get_lang('Ok').'"/></td>
|
|
</tr>
|
|
</table>
|
|
</form>';
|
|
}
|
|
|
|
/**
|
|
* This function displays the sortable table with all the surveys
|
|
*
|
|
* @return void (direct output)
|
|
*
|
|
* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
|
|
* @version January 2007
|
|
*/
|
|
function display_survey_list()
|
|
{
|
|
$parameters = array();
|
|
if ($_GET['do_search'])
|
|
{
|
|
$message = get_lang('DisplaySearchResults').'<br />';
|
|
$message .= '<a href="'.api_get_self().'">'.get_lang('DisplayAll').'</a>';
|
|
Display::display_normal_message($message, false);
|
|
}
|
|
|
|
// Create a sortable table with survey-data
|
|
$table = new SortableTable('surveys', 'get_number_of_surveys', 'get_survey_data',2);
|
|
$table->set_additional_parameters($parameters);
|
|
$table->set_header(0, '', false);
|
|
$table->set_header(1, get_lang('SurveyName'));
|
|
$table->set_header(2, get_lang('SurveyCode'));
|
|
$table->set_header(3, get_lang('NumberOfQuestions'));
|
|
$table->set_header(4, get_lang('Author'));
|
|
$table->set_header(5, get_lang('Language'));
|
|
$table->set_header(6, get_lang('Shared'));
|
|
$table->set_header(7, get_lang('AvailableFrom'));
|
|
$table->set_header(8, get_lang('AvailableUntill'));
|
|
$table->set_header(9, get_lang('Invite'));
|
|
$table->set_header(10, get_lang('Anonymous'));
|
|
$table->set_header(11, get_lang('Modify'), false);
|
|
$table->set_column_filter(10, 'anonymous_filter');
|
|
$table->set_column_filter(11, 'modify_filter');
|
|
$table->set_form_actions(array ('delete' => get_lang('DeleteSurvey')));
|
|
$table->display();
|
|
|
|
}
|
|
|
|
/**
|
|
* This function changes the modify column of the sortable table
|
|
*
|
|
* @param integer $survey_id the id of the survey
|
|
* @return html code that are the actions that can be performed on any survey
|
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function modify_filter($survey_id)
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{
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global $charset;
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$survey_id = Security::remove_XSS($survey_id);
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$return = '<a href="create_new_survey.php?'.api_get_cidreq().'&action=edit&survey_id='.$survey_id.'">'.Display::return_icon('edit.gif', get_lang('Edit')).'</a>';
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$return .= '<a href="survey_list.php?'.api_get_cidreq().'&action=delete&survey_id='.$survey_id.'" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("DeleteSurvey").'?',ENT_QUOTES,$charset)).'\')) return false;">'.Display::return_icon('delete.gif', get_lang('Delete')).'</a>';
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//$return .= '<a href="create_survey_in_another_language.php?id_survey='.$survey_id.'">'.Display::return_icon('copy.gif', get_lang('Copy')).'</a>';
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//$return .= '<a href="survey.php?survey_id='.$survey_id.'">'.Display::return_icon('add.gif', get_lang('Add')).'</a>';
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$return .= '<a href="preview.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('preview.gif', get_lang('Preview')).'</a>';
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$return .= '<a href="survey_invite.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('survey_publish.gif', get_lang('Publish')).'</a>';
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$return .= '<a href="survey_list.php?'.api_get_cidreq().'&action=empty&survey_id='.$survey_id.'" onclick="javascript:if(!confirm(\''.addslashes(htmlentities(get_lang("EmptySurvey").'?')).'\')) return false;">'.Display::return_icon('empty.gif', get_lang('EmptySurvey')).'</a>';
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$return .= '<a href="reporting.php?'.api_get_cidreq().'&survey_id='.$survey_id.'">'.Display::return_icon('statistics.gif', get_lang('Reporting')).'</a>';
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return $return;
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}
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/**
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* Returns "yes" when given parameter is one, "no" for any other value
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* @param integer Whether anonymous or not
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* @return string "Yes" or "No" in the current language
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*/
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function anonymous_filter($anonymous)
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{
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if ($anonymous == 1)
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{
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return get_lang('Yes');
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}
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else
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{
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return get_lang('No');
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}
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}
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/**
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* This function handles the search restriction for the SQL statements
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*
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* @return string Part of a SQL statement or false on error
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function survey_search_restriction()
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{
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if ($_GET['do_search'])
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{
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if ($_GET['keyword_title']<>'')
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{
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$search_term[] = 'title =\''.Database::escape_string($_GET['keyword_title']).'\'';
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}
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if ($_GET['keyword_code']<>'')
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{
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$search_term[] = 'code =\''.Database::escape_string($_GET['keyword_code']).'\'';
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}
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if ($_GET['keyword_language']<>'%')
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{
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$search_term[] = 'lang =\''.Database::escape_string($_GET['keyword_language']).'\'';
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}
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$search_restriction = implode(' AND ', $search_term);
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return $search_restriction;
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}
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else
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{
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return false;
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}
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}
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/**
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* This function calculates the total number of surveys
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*
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* @return integer Total number of surveys
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function get_number_of_surveys()
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{
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global $table_survey;
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$search_restriction = SurveyUtil::survey_search_restriction();
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if ($search_restriction)
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{
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$search_restriction = 'WHERE '.$search_restriction;
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}
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$sql = "SELECT count(survey_id) AS total_number_of_items FROM ".$table_survey.' '.$search_restriction;
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$obj = Database::fetch_object($res);
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return $obj->total_number_of_items;
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}
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/**
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* This function gets all the survey data that is to be displayed in the sortable table
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*
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* @param unknown_type $from
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* @param unknown_type $number_of_items
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* @param unknown_type $column
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* @param unknown_type $direction
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* @return unknown
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version January 2007
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*/
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function get_survey_data($from, $number_of_items, $column, $direction)
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{
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global $table_survey;
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global $table_user;
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global $table_survey_question;
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// searching
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$search_restriction = SurveyUtil::survey_search_restriction();
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if ($search_restriction)
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{
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$search_restriction = ' AND '.$search_restriction;
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}
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$sql = "SELECT
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survey.survey_id AS col0,
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CONCAT('<a href=\"survey.php?survey_id=',survey.survey_id,'\">',survey.title,'</a>') AS col1,
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survey.code AS col2,
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count(survey_question.question_id) AS col3,
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CONCAT(user.firstname, ' ', user.lastname) AS col4,
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survey.lang AS col5,
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IF(is_shared<>0,'V','-') AS col6,
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survey.avail_from AS col7,
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survey.avail_till AS col8,
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CONCAT('<a href=\"survey_invitation.php?view=answered&survey_id=',survey.survey_id,'\">',survey.answered,'</a> / <a href=\"survey_invitation.php?view=invited&survey_id=',survey.survey_id,'\">',survey.invited, '</a>') AS col9,
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survey.anonymous AS col10,
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survey.survey_id AS col11
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FROM $table_survey survey
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LEFT JOIN $table_survey_question survey_question ON survey.survey_id = survey_question.survey_id
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, $table_user user
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WHERE survey.author = user.user_id
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$search_restriction
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";
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$sql .= " GROUP BY survey.survey_id";
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$sql .= " ORDER BY col$column $direction ";
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$sql .= " LIMIT $from,$number_of_items";
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$res = api_sql_query($sql, __FILE__, __LINE__);
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$surveys = array ();
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while ($survey = Database::fetch_array($res))
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{
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$surveys[] = $survey;
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}
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return $surveys;
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}
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/**
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* Display all the active surveys for the given course user
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*
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* @param unknown_type $user_id
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version April 2007
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*/
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function survey_list_user($user_id)
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{
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global $_course;
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// Database table definitions
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$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION);
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$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER);
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$table_survey = Database :: get_course_table(TABLE_SURVEY);
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$table_user = Database :: get_main_table(TABLE_MAIN_USER);
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$sql = "SELECT * FROM $table_survey survey, $table_survey_invitation survey_invitation
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WHERE survey_invitation.user = '".Database::escape_string($user_id)."'
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AND survey.code = survey_invitation.survey_code
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AND survey.avail_from <= '".date('Y-m-d H:i:s')."'
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AND survey.avail_till >= '".date('Y-m-d H:i:s')."'
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";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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echo '<table class="data_table">';
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echo '<tr>';
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echo ' <th>'.get_lang('SurveyName').'</th>';
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echo ' <th>'.get_lang('Anonymous').'</th>';
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echo '</tr>';
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$counter = 0;
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while ($row = Database::fetch_array($result,'ASSOC'))
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{
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echo '<tr>';
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if ($row['answered'] == 0)
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{
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echo '<td><a href="fillsurvey.php?course='.$_course['sysCode'].'&invitationcode='.$row['invitation_code'].'&cidReq='.$_course['sysCode'].'">'.$row['title'].'</a></td>';
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}
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else
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{
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echo '<td>'.$row['title'].'</td>';
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}
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echo '<td>';
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echo ($row['anonymous'] == 1)?get_lang('Yes'):get_lang('No');
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echo '</td>';
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echo '</tr>';
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}
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echo '</table>';
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}
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}
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?>
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