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932 lines
32 KiB
932 lines
32 KiB
<?php
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2008 Dokeos SPRL
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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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 the GNU General Public License for more details.
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Contact: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium, info@dokeos.com
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==============================================================================
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*/
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/**
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* @package dokeos.survey
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* @author unknown, the initial survey that did not make it in 1.8 because of bad code
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: cleanup, refactoring and rewriting large parts of the code
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* @author Julio Montoya Armas <gugli100@gmail.com>, Dokeos: Personality Test modification and rewriting large parts of the code
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* @version $Id: survey_list.php 10680 2007-01-11 21:26:23Z pcool $
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*
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* @todo use quickforms for the forms
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* @todo check if the user already filled the survey and if this is the case then the answers have to be updated and not stored again.
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* alterantively we could not allow people from filling the survey twice.
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* @todo performance could be improved if not the survey_id was stored with the invitation but the survey_code
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*/
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// name of the language file that needs to be included
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$language_file = 'survey';
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// unsetting the course id (because it is in the URL)
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if (!isset($_GET['cidReq']))
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{
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$cidReset = true;
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}
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else
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{
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$_cid = $_GET['cidReq'];
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}
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// including the global dokeos file
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require ('../inc/global.inc.php');
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// including additional libraries
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//require_once (api_get_path(LIBRARY_PATH)."survey.lib.php");
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require_once('survey.lib.php');
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require_once (api_get_path(LIBRARY_PATH).'course.lib.php');
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// breadcrumbs
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if (!empty($_user))
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{
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$interbreadcrumb[] = array ("url" => 'survey_list.php', 'name' => get_lang('SurveyList'));
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}
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// Header
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Display :: display_header(get_lang('Survey'));
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// getting all the course information
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$_course = CourseManager::get_course_information($_GET['course']);
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// Database table definitions
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$table_survey = Database :: get_course_table(TABLE_SURVEY, $_course['db_name']);
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$table_survey_answer = Database :: get_course_table(TABLE_SURVEY_ANSWER, $_course['db_name']);
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$table_survey_question = Database :: get_course_table(TABLE_SURVEY_QUESTION, $_course['db_name']);
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$table_survey_question_option = Database :: get_course_table(TABLE_SURVEY_QUESTION_OPTION, $_course['db_name']);
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$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
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$table_user = Database :: get_main_table(TABLE_MAIN_USER);
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$table_survey_invitation = Database :: get_course_table(TABLE_SURVEY_INVITATION, $_course['db_name']);
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// first we check if the needed parameters are present
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if (!isset($_GET['course']) OR !isset($_GET['invitationcode']))
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{
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Display :: display_error_message(get_lang('SurveyParametersMissingUseCopyPaste'), false);
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Display :: display_footer();
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exit;
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}
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// now we check if the invitationcode is valid
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$sql = "SELECT * FROM $table_survey_invitation WHERE invitation_code = '".Database::escape_string($_GET['invitationcode'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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if (Database::num_rows($result) < 1)
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{
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Display :: display_error_message(get_lang('WrongInvitationCode'), false);
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Display :: display_footer();
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exit;
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}
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$survey_invitation = Database::fetch_array($result,'ASSOC');
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// now we check if the user already filled the survey
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if ($survey_invitation['answered'] == 1)
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{
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Display :: display_error_message(get_lang('YouAlreadyFilledThisSurvey'), false);
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Display :: display_footer();
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exit;
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}
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// checking if there is another survey with this code.
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// If this is the case there will be a language choice
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$sql = "SELECT * FROM $table_survey WHERE code='".Database::escape_string($survey_invitation['survey_code'])."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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if (Database::num_rows($result) > 1)
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{
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if ($_POST['language'])
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{
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$survey_invitation['survey_id'] = $_POST['language'];
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}
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else
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{
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echo '<form id="language" name="language" method="POST" action="'.api_get_self().'?course='.$_GET['course'].'&invitationcode='.$_GET['invitationcode'].'&cidReq='.$_GET['cidReq'].'">';
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echo ' <select name="language">';
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while ($row=Database::fetch_array($result,'ASSOC'))
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{
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echo '<option value="'.$row['survey_id'].'">'.$row['lang'].'</option>';
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}
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echo '</select>';
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echo ' <input type="submit" name="Submit" value="'.get_lang('Ok').'" />';
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echo '</form>';
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display::display_footer();
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exit;
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}
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}
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else
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{
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$row=Database::fetch_array($result,'ASSOC');
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$survey_invitation['survey_id'] = $row['survey_id'];
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}
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// getting the survey information
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$survey_data = survey_manager::get_survey($survey_invitation['survey_id']);
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$survey_data['survey_id'] = $survey_invitation['survey_id'];
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//print_r($survey_data);
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// storing the answers
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if (count($_POST)>0)
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{
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if ($survey_data['survey_type']==='0')
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{
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// getting all the types of the question (because of the special treatment of the score question type
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$sql = "SELECT * FROM $table_survey_question WHERE survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'";
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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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$types[$row['question_id']] = $row['type'];
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}
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// looping through all the post values
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foreach ($_POST as $key=>$value)
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{
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// if the post value key contains the string 'question' then it is an answer on a question
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if (strstr($key,'question'))
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{
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// finding the question id by removing 'question'
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$survey_question_id = str_replace('question', '',$key);
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// if the post value is an array then we have a multiple response question or a scoring question type
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// remark: when it is a multiple response then the value of the array is the option_id
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// when it is a scoring question then the key of the array is the option_id and the value is the value
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if (is_array($value))
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{
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SurveyUtil::remove_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id);
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foreach ($value as $answer_key => $answer_value)
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{
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if ($types[$survey_question_id] == 'score')
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{
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$option_id = $answer_key;
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$option_value = $answer_value;
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}
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else
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{
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$option_id = $answer_value;
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$option_value = '';
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}
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SurveyUtil::store_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id, $option_id, $option_value, $survey_data);
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}
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}
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// all the other question types (open question, multiple choice, percentage, ...)
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else
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{
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if ($types[$survey_question_id] == 'percentage')
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{
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$sql = "SELECT * FROM $table_survey_question_option WHERE question_option_id='".Database::escape_string($value)."'";
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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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$option_value = $row['option_text'];
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}
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else
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{
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$option_value = 0;
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if($types[$survey_question_id] == 'open')
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{
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$option_value = $value;
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//$value = 0;
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}
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}
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$survey_question_answer = $value;
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SurveyUtil::remove_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id);
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SurveyUtil::store_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id, $value, $option_value, $survey_data);
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//SurveyUtil::store_answer($user,$survey_id,$question_id, $option_id, $option_value, $survey_data);
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}
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}
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}
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}
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elseif ($survey_data['survey_type']==='1') //conditional/personality-test type surveys
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{
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// getting all the types of the question (because of the special treatment of the score question type
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$shuffle='';
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if ($survey_data['shuffle']=='1')
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{
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$shuffle= ' ORDER BY RAND() ' ;
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}
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$sql = "SELECT * FROM $table_survey_question
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WHERE survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'
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AND survey_group_pri='0' $shuffle
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";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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// there is only one question type for conditional surveys
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while ($row = Database::fetch_array($result,'ASSOC'))
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{
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$types[$row['question_id']] = $row['type'];
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}
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// looping through all the post values
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foreach ($_POST as $key=>$value)
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{
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// if the post value key contains the string 'question' then it is an answer to a question
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if (strstr($key,'question'))
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{
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// finding the question id by removing 'question'
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$survey_question_id = str_replace('question', '',$key);
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// we select the correct answer and the puntuacion
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$sql = "SELECT value FROM $table_survey_question_option " .
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" WHERE question_option_id='".Database::escape_string($value)."'";
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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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$option_value = $row['value'];
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//$option_value = 0;
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$survey_question_answer = $value;
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//we save the answer after making sure that a possible previous attempt is deleted
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SurveyUtil::remove_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id);
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SurveyUtil::store_answer($survey_invitation['user'], $survey_invitation['survey_id'], $survey_question_id, $value, $option_value, $survey_data);
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//SurveyUtil::store_answer($user,$survey_id,$question_id, $option_id, $option_value, $survey_data);
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}
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}
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}
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else //in case it's another type than 0 or 1
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{
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die(get_lang('ErrorSurveyTypeUnknown'));
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}
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}
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// displaying the survey title and subtitle (appears on every page)
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echo '<div id="survey_title">'.$survey_data['survey_title'].'</div>';
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echo '<div id="survey_subtitle">'.$survey_data['survey_subtitle'].'</div>';
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// checking time availability
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$start_date = mktime(0,0,0,substr($survey_data['start_date'],5,2),substr($survey_data['start_date'],8,2),substr($survey_data['start_date'],0,4));
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$end_date = mktime(0,0,0,substr($survey_data['end_date'],5,2),substr($survey_data['end_date'],8,2),substr($survey_data['end_date'],0,4));
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$cur_date = time();
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if($cur_date < $start_date)
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{
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Display :: display_warning_message(get_lang('SurveyNotAvailableYet'), false);
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Display :: display_footer();
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exit;
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}
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if($cur_date > $end_date)
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{
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Display :: display_warning_message(get_lang('SurveyNotAvailableAnymore'), false);
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Display :: display_footer();
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exit;
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}
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// displaying the survey introduction
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if (!isset($_GET['show']))
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{
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echo '<div id="survey_content" class="survey_content">'.$survey_data['survey_introduction'].'</div>';
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$limit = 0;
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}
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// displaying the survey thanks message
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if (isset($_POST['finish_survey']))
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{
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echo '<div id="survey_content" class="survey_content"><strong>'.get_lang('SurveyFinished').'</strong> <br />'.$survey_data['survey_thanks'].'</div>';
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survey_manager::update_survey_answered($survey_data['survey_id'], $survey_invitation['user'], $survey_invitation['survey_code']);
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$_SESSION['paged_questios'] = array();
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Display :: display_footer();
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exit;
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}
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$shuffle='';
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if ($survey_data['shuffle']==1)
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{
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$shuffle= ' BY RAND() ';
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}
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if ( isset($_GET['show']) || isset($_POST['personality']))
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{
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// Getting all the questions for this page and add them to a multidimensional array where the first index is the page.
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// as long as there is no pagebreak fount we keep adding questions to the page
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$questions_displayed = array();
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$counter = 0;
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$paged_questions = array();
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// if non-conditional survey
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if ($survey_data['survey_type']==='0')
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{
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if(empty($_SESSION['paged_questions']))
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{
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$sql = "SELECT * FROM $table_survey_question
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WHERE survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'
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ORDER BY sort ASC";
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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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if($row['type'] == 'pagebreak')
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{
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$counter++;
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}
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else
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{
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// ids from question of the current survey
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$paged_questions[$counter][] = $row['question_id'];
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}
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}
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$_SESSION['paged_questions'] = $paged_questions;
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}
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else
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{
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$paged_questions = $_SESSION['paged_questions'];
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}
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if (key_exists($_GET['show'],$paged_questions))
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{
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$sql = "SELECT survey_question.survey_group_sec1, survey_question.survey_group_sec2, survey_question.survey_group_pri,
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survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type, survey_question.max_value,
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survey_question_option.question_option_id, survey_question_option.option_text, survey_question_option.sort as option_sort
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FROM $table_survey_question survey_question
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LEFT JOIN $table_survey_question_option survey_question_option
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ON survey_question.question_id = survey_question_option.question_id
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WHERE survey_question.survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'
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AND survey_question.question_id IN (".implode(',',$paged_questions[$_GET['show']]).")
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ORDER BY survey_question.sort, survey_question_option.sort ASC";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$question_counter_max = Database::num_rows($result);
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$counter = 0;
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$limit=0;
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$questions = array();
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while ($row = Database::fetch_array($result,'ASSOC'))
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{
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// if the type is not a pagebreak we store it in the $questions array
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if($row['type'] <> 'pagebreak')
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{
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$questions[$row['sort']]['question_id'] = $row['question_id'];
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$questions[$row['sort']]['survey_id'] = $row['survey_id'];
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$questions[$row['sort']]['survey_question'] = $row['survey_question'];
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$questions[$row['sort']]['display'] = $row['display'];
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$questions[$row['sort']]['type'] = $row['type'];
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$questions[$row['sort']]['options'][$row['question_option_id']] = $row['option_text'];
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$questions[$row['sort']]['maximum_score'] = $row['max_value'];
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}
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// if the type is a pagebreak we are finished loading the questions for this page
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else
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{
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break;
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}
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$counter++;
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}
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}
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}
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elseif ($survey_data['survey_type']==='1')
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{
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$my_survey_id=Database::escape_string($survey_invitation['survey_id']);
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$current_user = Database::escape_string($survey_invitation['user']);
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if (isset($_POST['personality']))
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{
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// Compute the results to get the 3 groups nearest to the user's personality
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if ($shuffle=='')
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$order = 'BY sort ASC ';
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else
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$order = $shuffle;
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// get all the questions from the primary groups
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/*
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$sql = "SELECT * FROM $table_survey_question
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WHERE survey_id = '".$my_survey_id."'
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AND survey_group_sec1='0' AND survey_group_sec2='0'
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ORDER $order ";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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//Place each question in $page_group_questions[]
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while ($row = Database::fetch_array($result,'ASSOC'))
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{
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$paged_group_questions[] = $row['question_id'];
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//$paged_group[] = $row['survey_group_pri'];
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}
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*/
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$answer_list=array();
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// get current user results
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$results=array();
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$sql = "SELECT survey_group_pri, user, SUM(value) as value
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FROM $table_survey_answer as survey_answer INNER JOIN $table_survey_question as survey_question
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ON (survey_question.question_id = survey_answer.question_id)
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WHERE survey_answer.survey_id='".$my_survey_id."' AND
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survey_answer.user='".$current_user."'
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GROUP BY survey_group_pri
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ORDER BY survey_group_pri
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";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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while ($row = Database::fetch_array($result))
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{
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$answer_list['value']=$row['value'];
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$answer_list['group']=$row['survey_group_pri'];
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$results[]=$answer_list;
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}
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//echo "<br>";print_r($results); echo "<br>";
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// get the total score for each group of questions
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$totals=array();
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$sql = "SELECT SUM(temp.value) as value, temp.survey_group_pri FROM
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(SELECT MAX(value) as value, survey_group_pri, survey_question.question_id
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FROM $table_survey_question as survey_question
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INNER JOIN $table_survey_question_option as survey_question_option
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ON (survey_question.question_id = survey_question_option.question_id)
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WHERE survey_question.survey_id='".$my_survey_id."' AND survey_group_sec1='0' AND survey_group_sec2='0'
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GROUP BY survey_group_pri, survey_question.question_id) as temp
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GROUP BY temp.survey_group_pri
|
|
ORDER BY temp.survey_group_pri";
|
|
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
while ($row = Database::fetch_array($result))
|
|
{
|
|
$list['value']=$row['value'];
|
|
$list['group']=$row['survey_group_pri'];
|
|
$totals[]=$list;
|
|
}
|
|
//print_r($totals);
|
|
|
|
$final_results=array();
|
|
|
|
//get a percentage score for each group
|
|
for ($i=0; $i< count($totals);$i++)
|
|
{
|
|
for ($j=0; $j< count($results);$j++)
|
|
{
|
|
if ($totals[$i]['group']==$results[$j]['group'])
|
|
{
|
|
$group=$totals[$i]['group'];
|
|
$porcen=($results[$j]['value'] / $totals[$i]['value'] );
|
|
$final_results[$group]=$porcen;
|
|
}
|
|
}
|
|
}
|
|
|
|
// sort the results by score (getting a list of group IDs by score into $groups)
|
|
arsort($final_results);
|
|
$groups=array_keys($final_results);
|
|
/*
|
|
echo '<pre>';
|
|
echo 'Group id => %';
|
|
echo "<br>";
|
|
print_r($final_results);
|
|
echo '</pre>';
|
|
*/
|
|
$result=array();
|
|
|
|
foreach ($final_results as $key =>$sub_result)
|
|
{
|
|
$result[]=array('group'=>$key, 'value'=>$sub_result);
|
|
}
|
|
|
|
$i=0;
|
|
$group_cant=0;
|
|
$equal_count=0;
|
|
/*
|
|
//i.e 70% - 70% -70% 70% $equal_count =3
|
|
while(1)
|
|
{
|
|
if ($result[$i]['value'] == $result[$i+1]['value'])
|
|
{
|
|
$equal_count++;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
$i++;
|
|
}
|
|
echo 'eq'. $equal_count;
|
|
echo "<br>";
|
|
if ($equal_count==0)
|
|
{
|
|
//i.e 70% 70% -60% 60% $equal_count = 1 only we get the first 2 options
|
|
if ( ($result[0]['value'] == $result[1]['value']) && ($result[2]['value']==$result[3]['value']) )
|
|
{
|
|
$group_cant=1;
|
|
}
|
|
else
|
|
{ // by default we chose the highest 3
|
|
$group_cant=2;
|
|
}
|
|
}
|
|
elseif ($equal_count==2)
|
|
{
|
|
$group_cant=2;
|
|
}
|
|
else
|
|
{
|
|
$group_cant=-1;
|
|
}
|
|
*/
|
|
|
|
//i.e 70% - 70% -70% 70% $equal_count =3
|
|
// Count the number of scores equal to the first
|
|
while(1)
|
|
{
|
|
if ($result[$i]['value'] == $result[$i+1]['value'])
|
|
{
|
|
$equal_count++;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
$i++;
|
|
}
|
|
// if we have only 3 or less equal scores (i.e. 0,1 or 2 equalities), then we can use the three first groups
|
|
if ($equal_count<4)
|
|
{
|
|
//if there is one or less score equalities
|
|
if ($equal_count==0 || $equal_count==1 )
|
|
{
|
|
//i.e 70% - 70% -0% - 0% - $equal_count = 0 we only get the first 2 options
|
|
if ( ($result[0]['value'] == $result[1]['value']) && ($result[2]['value']==0 ) )
|
|
{
|
|
$group_cant=0;
|
|
}
|
|
//i.e 70% - 70% -60% - 60% $equal_count = 0 we only get the first 2 options
|
|
elseif ( ($result[0]['value'] == $result[1]['value']) && ($result[2]['value'] == $result[3]['value']) )
|
|
{
|
|
$group_cant=0;
|
|
}
|
|
//i.e. 70% - 70% - 70%
|
|
elseif ( ($result[1]['value'] == $result[2]['value']) && ($result[2]['value'] == $result[3]['value']) )
|
|
{
|
|
$group_cant=1;
|
|
}
|
|
else
|
|
{ // by default we choose the highest 3
|
|
$group_cant=2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//if there are two score equalities
|
|
$group_cant=$equal_count;
|
|
}
|
|
// conditional_status
|
|
// 0 no determinado
|
|
// 1 determinado
|
|
// 2 un solo valor
|
|
// 3 valores iguales
|
|
|
|
if ($group_cant>0)
|
|
{
|
|
//echo '$equal_count'.$group_cant;
|
|
// we only get highest 3
|
|
$secondary ='';
|
|
$combi='';
|
|
|
|
for ($i=0; $i<= $group_cant ;$i++)
|
|
{
|
|
$group1=$groups[$i];
|
|
$group2=$groups[$i+1];
|
|
// here we made all the posibilities with the 3 groups
|
|
if ( $group_cant == 2 && $i==$group_cant)
|
|
{
|
|
$group2=$groups[0];
|
|
$secondary .= " OR ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
|
|
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
|
|
$combi.= $group1.' - '.$group2." or ".$group2.' - '.$group1."<br>";
|
|
}
|
|
else
|
|
{
|
|
if ($i!=0 )
|
|
{
|
|
$secondary .= " OR ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
|
|
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
|
|
$combi.= $group1.' - '.$group2." or ".$group2.' - '.$group1."<br>";
|
|
}
|
|
else
|
|
{
|
|
$secondary .= " ( survey_group_sec1 = '$group1' AND survey_group_sec2 = '$group2') ";
|
|
$secondary .= " OR ( survey_group_sec1 = '$group2' AND survey_group_sec2 = '$group1' ) ";
|
|
$combi.= $group1.' - '.$group2." or ".$group2.' - '.$group1."<br>";
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
echo '<pre>';
|
|
echo "Pair of Groups <br /><br />";
|
|
echo $combi;
|
|
echo '</pre>';
|
|
*/
|
|
// create the new select with the questions from the secondary phase
|
|
|
|
if(empty($_SESSION['page_questions_sec']))
|
|
{
|
|
$sql = "SELECT * FROM $table_survey_question
|
|
WHERE survey_id = '".$my_survey_id."'
|
|
AND ($secondary )
|
|
ORDER BY sort ASC";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$counter=0;
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
if ($survey_data['one_question_per_page']==1)
|
|
{
|
|
$paged_questions_sec[$counter][] = $row['question_id'];
|
|
$counter++;
|
|
}
|
|
else
|
|
|
|
if($row['type'] == 'pagebreak')
|
|
{
|
|
$counter++;
|
|
}
|
|
else
|
|
{
|
|
// ids from question of the current survey
|
|
$paged_questions_sec[$counter][] = $row['question_id'];
|
|
}
|
|
}
|
|
$_SESSION['paged_questions_sec'] = $paged_questions_sec;
|
|
}
|
|
else
|
|
{
|
|
$paged_questions_sec = $_SESSION['paged_questions_sec'];
|
|
}
|
|
$paged_questions = $_SESSION['paged_questions']; //for the sake of pages counting
|
|
//$paged_questions = $paged_questions_sec; //for the sake of pages counting coming up at display time...
|
|
|
|
if ($shuffle=='')
|
|
$shuffle=' BY survey_question.sort, survey_question_option.sort ASC ';
|
|
|
|
//$val=0;
|
|
|
|
|
|
//if ($survey_data['one_question_per_page']==0)
|
|
//{
|
|
$val=(int)$_POST['personality'];
|
|
//}
|
|
|
|
$sql = "SELECT survey_question.survey_group_sec1, survey_question.survey_group_sec2, survey_question.survey_group_pri,
|
|
survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type, survey_question.max_value,
|
|
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 $table_survey_question_option survey_question_option
|
|
ON survey_question.question_id = survey_question_option.question_id
|
|
WHERE survey_question.survey_id = '".$my_survey_id."'
|
|
AND survey_question.question_id IN (".implode(',',$paged_questions_sec[$val]).")
|
|
ORDER $shuffle ";
|
|
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$question_counter_max = Database::num_rows($result);
|
|
$counter = 0;
|
|
$limit=0;
|
|
$questions = array();
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
// if the type is not a pagebreak we store it in the $questions array
|
|
if($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']]['options'][$row['question_option_id']] = $row['option_text'];
|
|
$questions[$row['sort']]['maximum_score'] = $row['max_value'];
|
|
// personality params
|
|
$questions[$row['sort']]['survey_group_sec1'] = $row['survey_group_sec1'];
|
|
$questions[$row['sort']]['survey_group_sec2'] = $row['survey_group_sec2'];
|
|
$questions[$row['sort']]['survey_group_pri'] = $row['survey_group_pri'];
|
|
}
|
|
// if the type is a pagebreak we are finished loading the questions for this page
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
$counter++;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
echo get_lang('SurveyUndetermined');
|
|
}
|
|
}
|
|
else
|
|
{
|
|
echo get_lang('SurveyUndetermined');
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
// only the questions from the basic group
|
|
//the 50 questions A B C D E F G
|
|
$order_sql= $shuffle;
|
|
if ($shuffle=='')
|
|
$order_sql=' BY question_id ';
|
|
|
|
if(empty($_SESSION['paged_questions']))
|
|
{
|
|
$sql = "SELECT * FROM $table_survey_question
|
|
WHERE survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'
|
|
AND survey_group_sec1='0' AND survey_group_sec2='0'
|
|
ORDER ".$order_sql." ";
|
|
//echo "<br>";echo "<br>";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$counter=0;
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
if ($survey_data['one_question_per_page']==1)
|
|
{
|
|
|
|
$paged_questions[$counter][] = $row['question_id'];
|
|
$counter++;
|
|
}
|
|
else
|
|
{
|
|
if($row['type'] == 'pagebreak')
|
|
{
|
|
$counter++;
|
|
}
|
|
else
|
|
{
|
|
// ids from question of the current survey
|
|
$paged_questions[$counter][] = $row['question_id'];
|
|
}
|
|
}
|
|
}
|
|
$_SESSION['paged_questions'] = $paged_questions;
|
|
}
|
|
else
|
|
{
|
|
$paged_questions = $_SESSION['paged_questions'];
|
|
}
|
|
//print_r($paged_questions);
|
|
//if (key_exists($_GET['show'],$paged_questions))
|
|
//{
|
|
$order_sql= $shuffle;
|
|
if ($shuffle=='')
|
|
$order_sql=' BY survey_question.sort, survey_question_option.sort ASC ';
|
|
|
|
//$val=0;
|
|
//if ($survey_data['one_question_per_page']==0)
|
|
//{
|
|
$val=$_GET['show'];
|
|
//}
|
|
|
|
$sql = "SELECT survey_question.survey_group_sec1, survey_question.survey_group_sec2, survey_question.survey_group_pri,
|
|
survey_question.question_id, survey_question.survey_id, survey_question.survey_question, survey_question.display, survey_question.sort, survey_question.type, survey_question.max_value,
|
|
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 $table_survey_question_option survey_question_option
|
|
ON survey_question.question_id = survey_question_option.question_id
|
|
WHERE survey_question.survey_id = '".Database::escape_string($survey_invitation['survey_id'])."'
|
|
AND survey_question.question_id IN (".implode(',',$paged_questions[$val]).")
|
|
ORDER $order_sql ";
|
|
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$question_counter_max = Database::num_rows($result);
|
|
$counter = 0;
|
|
$limit=0;
|
|
$questions = array();
|
|
|
|
while ($row = Database::fetch_array($result,'ASSOC'))
|
|
{
|
|
// if the type is not a pagebreak we store it in the $questions array
|
|
if($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']]['options'][$row['question_option_id']] = $row['option_text'];
|
|
$questions[$row['sort']]['maximum_score'] = $row['max_value'];
|
|
// personality params
|
|
$questions[$row['sort']]['survey_group_sec1'] = $row['survey_group_sec1'];
|
|
$questions[$row['sort']]['survey_group_sec2'] = $row['survey_group_sec2'];
|
|
$questions[$row['sort']]['survey_group_pri'] = $row['survey_group_pri'];
|
|
}
|
|
// if the type is a pagebreak we are finished loading the questions for this page
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
$counter++;
|
|
}
|
|
}
|
|
}
|
|
else //in case it's another type than 0 or 1
|
|
{
|
|
echo get_lang('ErrorSurveyTypeUnknown');
|
|
}
|
|
}
|
|
|
|
// selecting the maximum number of pages
|
|
$sql = "SELECT * FROM $table_survey_question WHERE type='".Database::escape_string('pagebreak')."' AND survey_id='".Database::escape_string($survey_invitation['survey_id'])."'";
|
|
$result = api_sql_query($sql, __FILE__, __LINE__);
|
|
$numberofpages = Database::num_rows($result) + 1;
|
|
|
|
// Displaying the form with the questions
|
|
if (isset($_GET['show']))
|
|
{
|
|
$show = (int)$_GET['show'] + 1;
|
|
}
|
|
else
|
|
{
|
|
$show = 0;
|
|
}
|
|
|
|
|
|
// Displaying the form with the questions
|
|
if (isset($_POST['personality']))
|
|
{
|
|
$personality = (int)$_POST['personality'] + 1;
|
|
}
|
|
else
|
|
{
|
|
$personality= 0;
|
|
}
|
|
|
|
// Displaying the form with the questions
|
|
$g_c = (isset($_GET['course'])?Security::remove_XSS($_GET['course']):'');
|
|
$g_ic = (isset($_GET['invitationcode'])?Security::remove_XSS($_GET['invitationcode']):'');
|
|
$g_cr = (isset($_GET['cidReq'])?Security::remove_XSS($_GET['cidReq']):'');
|
|
$p_l = (isset($_POST['language'])?Security::remove_XSS($_POST['language']):'');
|
|
|
|
echo '<form id="question" name="question" method="post" action="'.api_get_self().'?course='.$g_c.'&invitationcode='.$g_ic.'&show='.$show.'&cidReq='.$g_cr.'">';
|
|
echo '<input type="hidden" name="language" value="'.$p_l.'" />';
|
|
|
|
if(isset($questions) && is_array($questions))
|
|
{
|
|
foreach ($questions as $key=>$question)
|
|
{
|
|
$display = new $question['type'];
|
|
$display->render_question($question);
|
|
}
|
|
}
|
|
|
|
if ($survey_data['survey_type']==='0')
|
|
{
|
|
if (($show < $numberofpages) || !$_GET['show']) //$show = $_GET['show']+1
|
|
{
|
|
//echo '<a href="'.api_get_self().'?survey_id='.$survey_invitation['survey_id'].'&show='.$limit.'">NEXT</a>';
|
|
echo '<input type="submit" name="next_survey_page" value="'.get_lang('Next').' >> " />';
|
|
}
|
|
|
|
if ($show >= $numberofpages && $_GET['show'])
|
|
{
|
|
echo '<input type="submit" name="finish_survey" value="'.get_lang('FinishSurvey').' >> " />';
|
|
}
|
|
}
|
|
elseif ($survey_data['survey_type']==='1') //conditional/personality-test type survey
|
|
{
|
|
$numberofpages=count($paged_questions);
|
|
if(!empty($paged_questions_sec) && count($paged_questions_sec)>0)
|
|
{ //in case we're in the second phase, also sum the second group questions
|
|
$numberofpages+=count($paged_questions_sec);
|
|
}
|
|
//echo $show.' / '.$numberofpages."<br />";
|
|
|
|
if (($show < $numberofpages) || !$_GET['show']) //$show = $_GET['show']+1
|
|
{
|
|
echo '<input type="submit" name="next_survey_page" value="'.get_lang('Next').' >> " />';
|
|
|
|
/* YW - Commented because I don't believe this is right in any case
|
|
if ($survey_data['one_question_per_page']==0 && $show!=0)
|
|
*/
|
|
if($personality>0)
|
|
{
|
|
echo '<input type="hidden" name="personality" value="'.$personality.'">';
|
|
}
|
|
}
|
|
|
|
if ($show >= $numberofpages && $_GET['show'] )
|
|
{
|
|
//if ($survey_data['one_question_per_page']==0)
|
|
//{
|
|
echo '<input type="hidden" name="personality" value="'.$personality.'">';
|
|
//}
|
|
$numberofpages=count($paged_questions);
|
|
|
|
//echo $personality.' / '.$numberofpages;
|
|
//echo "<br />";
|
|
|
|
if ($personality > count($paged_questions_sec) -1 )
|
|
{
|
|
echo '<input type="submit" name="finish_survey" value="'.get_lang('FinishSurvey').' >> " />';
|
|
}
|
|
else
|
|
{
|
|
echo '<input type="submit" name="next_survey_page" value="'.get_lang('Next').' >> " />';
|
|
}
|
|
}
|
|
}
|
|
echo '</form>';
|
|
// Footer
|
|
Display :: display_footer();
|
|
?>
|