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275 lines
11 KiB
275 lines
11 KiB
<?php
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/*
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DOKEOS - elearning and course management software
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For a full list of contributors, see documentation/credits.html
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See "documentation/licence.html" more details.
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Contact:
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Dokeos
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Rue des Palais 44 Paleizenstraat
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B-1030 Brussels - Belgium
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Tel. +32 (2) 211 34 56
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*/
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/**
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* @package dokeos.survey
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* @author unknown
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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: create_new_survey.php 10659 2007-01-10 22:41:53Z pcool $
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*
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* @todo rename this file to survey.php
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* @todo try to understand the template stuff and implement it (if needed)
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* @todo check if the code is really unique (when adding or editing)
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* @todo only the available platform languages should be used => need an api get_languages and and api_get_available_languages (or a parameter)
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*/
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// name of the language file that needs to be included
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$language_file = 'survey';
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// including the global dokeos file
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require_once ('../inc/global.inc.php');
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// including additional libraries
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/** @todo check if these are all needed */
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/** @todo check if the starting / is needed. api_get_path probably ends with an / */
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require_once (api_get_path(LIBRARY_PATH).'/fileManage.lib.php');
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require_once (api_get_path(CONFIGURATION_PATH) ."/add_course.conf.php");
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require_once (api_get_path(LIBRARY_PATH)."/add_course.lib.inc.php");
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require_once (api_get_path(LIBRARY_PATH)."/course.lib.php");
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require_once (api_get_path(LIBRARY_PATH)."/groupmanager.lib.php");
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require_once (api_get_path(LIBRARY_PATH)."/surveymanager.lib.php");
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require_once (api_get_path(LIBRARY_PATH)."/usermanager.lib.php");
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require_once (api_get_path(LIBRARY_PATH).'formvalidator/FormValidator.class.php');
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// Database table definitions
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/** @todo use database constants for the survey tables */
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$table_survey = Database :: get_course_table('survey');
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$table_group = Database :: get_course_table('survey_group');
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$table_user = Database :: get_main_table(TABLE_MAIN_USER);
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$table_course = Database :: get_main_table(TABLE_MAIN_COURSE);
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$table_course_survey_rel = Database :: get_main_table(TABLE_MAIN_COURSE_SURVEY);
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/** @todo replace this with the correct code */
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/*
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$status = surveymanager::get_status();
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api_protect_course_script();
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if($status==5)
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{
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api_protect_admin_script();
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}
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*/
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/** @todo this has to be moved to a more appropriate place (after the display_header of the code)*/
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if (!api_is_allowed_to_edit())
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{
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Display :: display_header();
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Display :: display_error_message(get_lang('NotAllowedHere'));
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Display :: display_footer();
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exit;
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}
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// breadcrumbs
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if ($_GET['action'] == 'add')
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{
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$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('Survey'));
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$tool_name = get_lang('CreateNewSurvey');
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}
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if ($_GET['action'] == 'edit' AND is_numeric($_GET['survey_id']))
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{
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$interbreadcrumb[] = array ("url" => "survey_list.php", "name" => get_lang('Survey'));
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$tool_name = get_lang('EditSurvey');
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}
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// Displaying the header
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Display::display_header($tool_name);
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// Displaying the tool title
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//api_display_tool_title($tool_name);
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// initiate the object
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$form = new FormValidator('forumcategory', 'post', $_SERVER['PHP_SELF'].'?action='.$_GET['action'].'&survey_id='.$_GET['survey_id']);
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// settting the form elements
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if ($_GET['action'] == 'edit' AND isset($_GET['survey_id']) AND is_numeric($_GET['survey_id']))
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{
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$form->addElement('hidden', 'survey_id');
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}
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$form->addElement('text', 'survey_code', get_lang('SurveyCode'));
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$form->addElement('text', 'survey_title', get_lang('SurveyTitle'));
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$form->addElement('text', 'survey_subtitle', get_lang('SurveySubTitle'));
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$lang_array = api_get_languages();
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foreach ($lang_array['name'] as $key=>$value)
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{
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$languages[$lang_array['folder'][$key]] = $value;
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}
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$form->addElement('select', 'survey_language', get_lang('Language'), $languages);
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$form->addElement('datepicker', 'start_date', get_lang('StartDate'));
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$form->addElement('datepicker', 'end_date', get_lang('EndDate'));
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$group='';
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$group[] =& HTML_QuickForm::createElement('radio', 'survey_share',null, get_lang('Yes'),1);
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$group[] =& HTML_QuickForm::createElement('radio', 'survey_share',null, get_lang('No'),0);
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$form->addGroup($group, 'survey_share', get_lang('ShareSurvey'), ' ');
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$form->addElement('html_editor', 'survey_introduction', get_lang('SurveyIntroduction'));
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$form->addElement('html_editor', 'survey_thanks', get_lang('SurveyThanks'));
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$form->addElement('submit', 'submit_survey', get_lang('Ok'));
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// setting the rules
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$form->addRule('survey_code', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');
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$form->addRule('survey_title', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');
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$form->addRule('start_date', get_lang('InvalidDate'), 'date');
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$form->addRule('end_date', get_lang('InvalidDate'), 'date');
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/** @todo add a rule that checks if the end_date > start_date */
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// setting the default values
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if ($_GET['action'] == 'edit' AND isset($_GET['survey_id']) AND is_numeric($_GET['survey_id']))
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{
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$survey_data = get_survey($_GET['survey_id']);
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$defaults = $survey_data;
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$defaults['survey_id'] = $_GET['survey_id'];
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}
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else
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{
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$defaults['survey_language'] = $_course['language'];
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$defaults['start_date']['d'] = date('d');
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$defaults['start_date']['F'] = date('F');
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$defaults['start_date']['Y'] = date('Y');
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$defaults['start_date']['H'] = date('H');
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$defaults['start_date']['i'] = date('i');
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$defaults['end_date']['d'] = date('d');
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$defaults['end_date']['F'] = date('F');
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$defaults['end_date']['Y'] = date('Y');
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$defaults['end_date']['H'] = date('H');
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$defaults['end_date']['i'] = date('i');
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$defaults['survey_share']['survey_share'] = 0;
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}
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$form->setDefaults($defaults);
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// The validation or display
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if( $form->validate() )
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{
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$values = $form->exportValues();
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$return = store_survey($values);
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Display::display_confirmation_message($return['message']);
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}
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else
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{
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$form->display();
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}
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// Footer
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Display :: display_footer();
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/**
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* This function stores a survey in the database
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*
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* @param array $values
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* @return array $return the type of return message that has to be displayed and the message in it
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo move this function to surveymanager.inc.lib.php
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*/
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function store_survey($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('survey');
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$table_survey_group = Database :: get_course_table('survey_group');
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if (!$values['survey_id'] OR !is_numeric($values['survey_id']))
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{
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$sql = "INSERT INTO $table_survey (code, title, subtitle, author, lang, avail_from, avail_till, is_shared, template, intro, surveythanks, creation_date) VALUES (
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'".mysql_real_escape_string($values['survey_code'])."',
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'".mysql_real_escape_string($values['survey_title'])."',
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'".mysql_real_escape_string($values['survey_subtitle'])."',
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'".mysql_real_escape_string($_user['user_id'])."',
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'".mysql_real_escape_string($values['survey_language'])."',
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'".mysql_real_escape_string($values['start_date'])."',
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'".mysql_real_escape_string($values['end_date'])."',
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'".mysql_real_escape_string($values['survey_share']['survey_share'])."',
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'".mysql_real_escape_string('template')."',
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'".mysql_real_escape_string($values['survey_introduction'])."',
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'".mysql_real_escape_string($values['survey_thanks'])."',
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'".date()."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$survey_id = mysql_insert_id();
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$sql = "INSERT INTO $table_survey_group (group_id, survey_id, groupname, introduction) VALUES (
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'', '$survey_id', '".get_lang('NoGroup')."','".get_lang('ThisIsYourDefaultGroup')."')";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return['message'] = get_lang('SurveyCreatedSuccesfully').'<br />'.get_lang('YouCanNowAddQuestionToYourSurvey').': ';
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$return['message'] .= '<a href="select_question_group.php?survey_id='.$survey_id.'">'.get_lang('ClickHere').'</a>';
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$return['type'] = 'confirmation';
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}
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else
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{
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$sql = "UPDATE $table_survey SET
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code = '".mysql_real_escape_string($values['survey_code'])."',
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title = '".mysql_real_escape_string($values['survey_title'])."',
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subtitle = '".mysql_real_escape_string($values['survey_subtitle'])."',
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author = '".mysql_real_escape_string($_user['user_id'])."',
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lang = '".mysql_real_escape_string($values['survey_language'])."',
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avail_from = '".mysql_real_escape_string($values['start_date'])."',
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avail_till = '".mysql_real_escape_string($values['end_date'])."',
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is_shared = '".mysql_real_escape_string($values['survey_share']['survey_share'])."',
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template = '".mysql_real_escape_string('template')."',
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intro = '".mysql_real_escape_string($values['survey_introduction'])."',
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surveythanks = '".mysql_real_escape_string($values['survey_thanks'])."'
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WHERE survey_id = '".mysql_real_escape_string($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="select_question_group.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['type'] = 'confirmation';
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}
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return $return;
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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 $survey_id the id of the survey
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* @return array
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*
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @version januari 2007
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*
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* @todo move this function to surveymanager.inc.lib.php
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*/
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function get_survey($survey_id)
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{
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$tbl_survey = Database :: get_course_table('survey');
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$sql = "SELECT * FROM $tbl_survey WHERE survey_id='".mysql_real_escape_string($survey_id)."'";
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$result = api_sql_query($sql, __FILE__, __LINE__);
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$return = mysql_fetch_assoc($result);
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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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