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frontend_helper.php
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frontend_helper.php
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<?php
if (!defined('BASEPATH')) {
exit('No direct script access allowed');
}
/*
* LimeSurvey
* Copyright (C) 2007-2012 The LimeSurvey Project Team / Carsten Schmitz
* All rights reserved.
* License: GNU/GPL License v2 or later, see LICENSE.php
* LimeSurvey is free software. This version may have been modified pursuant
* to the GNU General Public License, and as distributed it includes or
* is derivative of works licensed under the GNU General Public License or
* other free or open source software licenses.
* See COPYRIGHT.php for copyright notices and details.
*/
// TODO: Why needed?
require_once(Yii::app()->basePath . '/libraries/MersenneTwister.php');
use LimeSurvey\PluginManager\PluginEvent;
function loadanswers()
{
Yii::trace('start', 'survey.loadanswers');
global $surveyid;
global $thisstep;
global $clienttoken;
$scid = Yii::app()->request->getQuery('scid');
if (Yii::app()->request->getParam('loadall') == "reload") {
$sLoadName = Yii::app()->request->getParam('loadname');
$sLoadPass = Yii::app()->request->getParam('loadpass');
$oCriteria = new CDbCriteria();
$oCriteria->join = "LEFT JOIN {{saved_control}} ON t.id={{saved_control}}.srid";
$oCriteria->condition = "{{saved_control}}.sid=:sid";
$aParams = array(':sid' => $surveyid);
if (isset($scid)) {
//Would only come from email : we don't need it ....
$oCriteria->addCondition("{{saved_control}}.scid=:scid");
$aParams[':scid'] = $scid;
}
$oCriteria->addCondition("{{saved_control}}.identifier=:identifier");
$aParams[':identifier'] = $sLoadName;
if (in_array(Yii::app()->db->getDriverName(), array('mssql', 'sqlsrv', 'dblib'))) {
// To be validated with mssql, think it's not needed
$oCriteria->addCondition("(CAST({{saved_control}}.access_code as varchar(64))=:md5_code OR CAST({{saved_control}}.access_code as varchar(64))=:sha256_code)");
} else {
$oCriteria->addCondition("({{saved_control}}.access_code=:md5_code OR {{saved_control}}.access_code=:sha256_code)");
}
$aParams[':md5_code'] = md5($sLoadPass);
$aParams[':sha256_code'] = hash('sha256', $sLoadPass);
} elseif (isset($_SESSION['survey_' . $surveyid]['srid'])) {
$oCriteria = new CDbCriteria();
$oCriteria->condition = "id=:id";
$aParams = array(':id' => $_SESSION['survey_' . $surveyid]['srid']);
} else {
return;
}
$oCriteria->params = $aParams;
$oResponses = SurveyDynamic::model($surveyid)->find($oCriteria);
if (!$oResponses) {
return false;
} else {
//A match has been found. Let's load the values!
//If this is from an email, build surveysession first
$_SESSION['survey_' . $surveyid]['LEMtokenResume'] = true;
// If survey come from reload (GET or POST); some value need to be found on saved_control, not on survey
if (Yii::app()->request->getParam('loadall') == "reload") {
$oSavedSurvey = SavedControl::model()->find(
"sid = :sid AND identifier = :identifier AND (access_code = :access_code OR access_code = :sha256_code)",
array(
':sid' => $surveyid,
':identifier' => $sLoadName,
':access_code' => md5($sLoadPass),
':sha256_code' => hash('sha256', $sLoadPass)
)
);
// We don't need to control if we have one, because we do the test before
$_SESSION['survey_' . $surveyid]['scid'] = $oSavedSurvey->scid;
$_SESSION['survey_' . $surveyid]['step'] = ($oSavedSurvey->saved_thisstep > 1) ? $oSavedSurvey->saved_thisstep : 1;
$thisstep = $_SESSION['survey_' . $surveyid]['step'] - 1; // deprecated ?
$_SESSION['survey_' . $surveyid]['srid'] = $oSavedSurvey->srid; // Seems OK without
$_SESSION['survey_' . $surveyid]['refurl'] = $oSavedSurvey->refurl;
}
// Get if survey is been answered
$submitdate = $oResponses->submitdate;
$aRow = $oResponses->attributes;
foreach ($aRow as $column => $value) {
if ($column == "token") {
$clienttoken = $value;
$token = $value;
} elseif ($column == 'lastpage' && !isset($_SESSION['survey_' . $surveyid]['step'])) {
if (is_null($submitdate) || $submitdate == "N") {
$_SESSION['survey_' . $surveyid]['step'] = ($value > 1 ? $value : 1);
$thisstep = $_SESSION['survey_' . $surveyid]['step'] - 1;
} else {
$_SESSION['survey_' . $surveyid]['maxstep'] = ($value > 1 ? $value : 1);
}
} elseif ($column == "datestamp") {
$_SESSION['survey_' . $surveyid]['datestamp'] = $value;
}
if ($column == "startdate") {
$_SESSION['survey_' . $surveyid]['startdate'] = $value;
} else {
//Only make session variables for those in insertarray[]
if (in_array($column, $_SESSION['survey_' . $surveyid]['insertarray']) && isset($_SESSION['survey_' . $surveyid]['fieldmap'][$column])) {
if (
($_SESSION['survey_' . $surveyid]['fieldmap'][$column]['type'] == Question::QT_N_NUMERICAL ||
$_SESSION['survey_' . $surveyid]['fieldmap'][$column]['type'] == Question::QT_K_MULTIPLE_NUMERICAL_QUESTION ||
$_SESSION['survey_' . $surveyid]['fieldmap'][$column]['type'] == Question::QT_D_DATE) && $value == null
) {
// For type N,K,D NULL in DB is to be considered as NoAnswer in any case.
// We need to set the _SESSION[field] value to '' in order to evaluate conditions.
// This is especially important for the deletenonvalue feature,
// otherwise we would erase any answer with condition such as EQUALS-NO-ANSWER on such
// question types (NKD)
$_SESSION['survey_' . $surveyid][$column] = '';
} else {
$_SESSION['survey_' . $surveyid][$column] = $value;
}
if (isset($token) && !empty($token)) {
$_SESSION['survey_' . $surveyid][$column] = $value;
}
} // if (in_array(
} // else
} // foreach
return true;
}
}
/**
* This function creates the language selector for a particular survey
*
* @param string $sSelectedLanguage : lang to be selected (forced)
*
* @return array|false : array of data if more than one language, else false
*/
function getLanguageChangerDatas($sSelectedLanguage = "")
{
$surveyid = Yii::app()->getConfig('surveyID');
Yii::app()->loadHelper("surveytranslator");
$aSurveyLangs = Survey::model()->findByPk($surveyid)->getAllLanguages();
// return datas only of there are more than one lanagage
if (count($aSurveyLangs) > 1) {
$aAllLanguages = getLanguageData(true);
$aSurveyLangs = array_intersect_key($aAllLanguages, array_flip($aSurveyLangs)); // Sort languages by their locale name
$sClass = "ls-language-changer-item";
$sAction = Yii::app()->request->getParam('action', ''); // Different behaviour if preview
$routeParams = array(
"sid" => $surveyid,
);
// retreive the route of url in preview mode
if (substr($sAction, 0, 7) == 'preview') {
$routeParams["action"] = $sAction;
if (intval(Yii::app()->request->getParam('gid', 0))) {
$routeParams['gid'] = intval(Yii::app()->request->getParam('gid', 0));
}
if ($sAction == 'previewquestion' && intval(Yii::app()->request->getParam('gid', 0)) && intval(Yii::app()->request->getParam('qid', 0))) {
$routeParams['qid'] = intval(Yii::app()->request->getParam('qid', 0));
}
if (!is_null(Yii::app()->request->getParam('token'))) {
$routeParams['token'] = Yii::app()->request->getParam('token');
}
// @todo : add other params (for prefilling by URL in preview mode)
$sClass .= " ls-no-js-hidden ls-previewmode-language-dropdown ";
$sTargetURL = Yii::app()->getController()->createUrl("survey/index", $routeParams);
} else {
$sTargetURL = null;
}
$aListLang = array();
foreach ($aSurveyLangs as $sLangCode => $aSurveyLang) {
$aListLang[$sLangCode] = html_entity_decode($aSurveyLang['nativedescription'], ENT_COMPAT, 'UTF-8');
}
$sSelected = ($sSelectedLanguage) ? $sSelectedLanguage : App()->language;
$languageChangerDatas = array(
'sSelected' => $sSelected,
'aListLang' => $aListLang,
'sClass' => $sClass,
'targetUrl' => $sTargetURL,
);
return $languageChangerDatas;
} else {
return false;
}
}
/**
* This function creates the language selector for the public survey index page
*
* @param string $sSelectedLanguage The language in which all information is shown
* @return array|bool
*/
function getLanguageChangerDatasPublicList($sSelectedLanguage)
{
$aLanguages = getLanguageDataRestricted(true); // Order by native
if (count($aLanguages) > 1) {
$sClass = "ls-language-changer-item";
foreach ($aLanguages as $sLangCode => $aLanguage) {
$aListLang[$sLangCode] = html_entity_decode($aLanguage['nativedescription'], ENT_COMPAT, 'UTF-8') . ' - ' . $aLanguage['description'];
}
$sSelected = $sSelectedLanguage;
$languageChangerDatas = array(
'sSelected' => $sSelected,
'aListLang' => $aListLang,
'sClass' => $sClass,
);
return $languageChangerDatas;
} else {
return false;
}
}
/**
* Construct flash message container
* Used in templatereplace to replace {FLASHMESSAGE} in startpage.tstpl
*
* @return string
*/
function makeFlashMessage()
{
global $surveyid;
$html = "";
$language = Yii::app()->getLanguage();
$originalPrefix = Yii::app()->user->getStateKeyPrefix();
// Bug in Yii? Getting the state-key prefix changes the locale, so set the language manually after.
Yii::app()->setLanguage($language);
Yii::app()->user->setStateKeyPrefix('frontend' . $surveyid);
$mapYiiToBootstrapClass = array(
'error' => 'danger',
'success' => 'success',
'notice' => 'info'
// no warning in Yii?
);
foreach (Yii::app()->user->getFlashes() as $key => $message) {
$html .= "<div class='alert alert-" . $mapYiiToBootstrapClass[$key] . " alert-dismissible flash-" . $key . "'>" . $message . "</div>\n";
}
Yii::app()->user->setStateKeyPrefix($originalPrefix);
return $html;
}
/**
* checkUploadedFileValidity used in SurveyRuntimeHelper
*/
function checkUploadedFileValidity($surveyid, $move, $backok = null)
{
global $thisstep;
$survey = Survey::model()->findByPk($surveyid);
if (!isset($backok) || $backok != "Y") {
$fieldmap = createFieldMap($survey, 'full', false, false, $_SESSION['survey_' . $surveyid]['s_lang']);
if (isset($_POST['fieldnames']) && $_POST['fieldnames'] != "") {
$fields = explode("|", $_POST['fieldnames']);
foreach ($fields as $field) {
if (array_key_exists($field, $fieldmap) && $fieldmap[$field]['type'] == Question::QT_VERTICAL_FILE_UPLOAD && !strrpos($fieldmap[$field]['fieldname'], "_filecount")) {
$validation = QuestionAttribute::model()->getQuestionAttributes($fieldmap[$field]['qid']);
$filecount = 0;
$json = $_POST[$field];
// if name is blank, its basic, hence check
// else, its ajax, don't check, bypass it.
if ($json != "" && $json != "[]") {
$phparray = json_decode(urldecode($json));
if ($phparray[0]->size != "") {
// ajax
$filecount = count($phparray);
} else {
// basic
for ($i = 1; $i <= $validation['max_num_of_files']; $i++) {
if (!isset($_FILES[$field . "_file_" . $i]) || $_FILES[$field . "_file_" . $i]['name'] == '') {
continue;
}
$filecount++;
$file = $_FILES[$field . "_file_" . $i];
// File size validation
if ($file['size'] > $validation['max_filesize'] * 1000) {
$filenotvalidated = array();
$filenotvalidated[$field . "_file_" . $i] = sprintf(gT("Sorry, the uploaded file (%s) is larger than the allowed filesize of %s KB."), $file['size'], $validation['max_filesize']);
$append = true;
}
// File extension validation
$pathinfo = pathinfo(basename($file['name']));
$ext = $pathinfo['extension'];
$validExtensions = explode(",", $validation['allowed_filetypes']);
if (!(in_array($ext, $validExtensions))) {
if (isset($append) && $append) {
$filenotvalidated[$field . "_file_" . $i] .= sprintf(gT("Sorry, only %s extensions are allowed!"), $validation['allowed_filetypes']);
unset($append);
} else {
$filenotvalidated = array();
$filenotvalidated[$field . "_file_" . $i] .= sprintf(gT("Sorry, only %s extensions are allowed!"), $validation['allowed_filetypes']);
}
}
}
}
} else {
$filecount = 0;
}
if (isset($validation['min_num_of_files']) && $filecount < $validation['min_num_of_files'] && LimeExpressionManager::QuestionIsRelevant($fieldmap[$field]['qid'])) {
$filenotvalidated = array();
$filenotvalidated[$field] = gT("The minimum number of files has not been uploaded.");
}
}
}
}
if (isset($filenotvalidated)) {
if (isset($move) && $move == "moveprev") {
$_SESSION['survey_' . $surveyid]['step'] = $thisstep;
}
if (isset($move) && $move == "movenext") {
$_SESSION['survey_' . $surveyid]['step'] = $thisstep;
}
return $filenotvalidated;
}
}
if (!isset($filenotvalidated)) {
return false;
} else {
return $filenotvalidated;
}
}
/**
* Takes two single element arrays and adds second to end of first if value exists
* Why not use array_merge($array1,array_filter($array2);
*/
function addtoarray_single($array1, $array2)
{
//
if (is_array($array2)) {
foreach ($array2 as $ar) {
if ($ar && $ar !== null) {
$array1[] = $ar;
}
}
}
return $array1;
}
/**
* Marks a tokens as completed and sends a confirmation email to the participiant.
* If $quotaexit is set to true then the user exited the survey due to a quota
* restriction and the according token is only marked as 'Q'
*
* @param boolean $quotaexit
*/
function submittokens($quotaexit = false)
{
$surveyid = Yii::app()->getConfig('surveyID');
if (isset($_SESSION['survey_' . $surveyid]['s_lang'])) {
$thissurvey = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
} else {
$thissurvey = getSurveyInfo($surveyid);
}
$clienttoken = $_SESSION['survey_' . $surveyid]['token'];
// Shift the date due to global timeadjust setting
$today = dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i", Yii::app()->getConfig("timeadjust"));
// check how many uses the token has left
$token = Token::model($surveyid)->findByAttributes(array('token' => $clienttoken));
$token->scenario = 'FinalSubmit'; // Do not XSS filter token data
if ($quotaexit == true) {
$token->completed = 'Q';
$token->usesleft--;
} else {
if ($token->usesleft <= 1) {
// Finish the token
if (isTokenCompletedDatestamped($thissurvey)) {
$token->completed = $today;
} else {
$token->completed = 'Y';
}
if (isset($token->participant_id)) {
$slquery = SurveyLink::model()->find('participant_id = :pid AND survey_id = :sid AND token_id = :tid', array(':pid' => $token->participant_id, ':sid' => $surveyid, ':tid' => $token->tid));
if ($slquery) {
if (isTokenCompletedDatestamped($thissurvey)) {
$slquery->date_completed = $today;
} else {
// Update the survey_links table if necessary, to protect anonymity, use the date_created field date
$slquery->date_completed = $slquery->date_created;
}
$slquery->save();
}
}
}
$token->usesleft--;
}
$token->decrypt();
$token->encryptSave();
if ($quotaexit == false) {
if ($token && trim(strip_tags($thissurvey['email_confirm'])) != "" && $thissurvey['sendconfirmation'] == "Y") {
$sToAddress = validateEmailAddresses($token->email);
if ($sToAddress) {
templatereplace("{SID}", $thissurvey); /* Force a replacement to fill coreReplacement like {SURVEYRESOURCESURL} for example */
$mail = new \LimeMailer();
$mail->setSurvey($surveyid);
$mail->setToken($token->token);
$mail->setTypeWithRaw('confirm', Yii::app()->getLanguage());
$mail->replaceTokenAttributes = true;
$mail->addUrlsPlaceholders(array('SURVEY'));
$mail->sendMessage();
}
}
}
}
/**
* Send a submit notification to the email address specified in the notifications tab in the survey settings
*/
function sendSubmitNotifications($surveyid)
{
// @todo: Remove globals
global $thissurvey;
$bIsHTML = ($thissurvey['htmlemail'] == 'Y'); // Needed for ANSWERTABLE
$debug = Yii::app()->getConfig('debug');
if (!isset($_SESSION['survey_' . $surveyid]['srid'])) {
$srid = null; /* Maybe just return ? */
} else {
$srid = $_SESSION['survey_' . $surveyid]['srid'];
}
$mailer = \LimeMailer::getInstance(\LimeMailer::ResetComplete);
$mailer->setSurvey($surveyid);
$aReplacementVars = array();
$aReplacementVars['VIEWRESPONSEURL'] = Yii::app()->getController()->createAbsoluteUrl("/admin/responses/sa/view/surveyid/{$surveyid}/id/{$srid}");
$aReplacementVars['EDITRESPONSEURL'] = Yii::app()->getController()->createAbsoluteUrl("/admin/dataentry/sa/editdata/subaction/edit/surveyid/{$surveyid}/id/{$srid}");
$aReplacementVars['STATISTICSURL'] = Yii::app()->getController()->createAbsoluteUrl("/admin/statistics/sa/index/surveyid/{$surveyid}");
$mailer->aUrlsPlaceholders = ['VIEWRESPONSE','EDITRESPONSE','STATISTICS'];
$aReplacementVars['ANSWERTABLE'] = '';
$aEmailResponseTo = array();
$aEmailNotificationTo = array();
if (!empty($thissurvey['emailnotificationto'])) {
$aRecipient = explode(";", LimeExpressionManager::ProcessStepString($thissurvey['emailnotificationto'], array('ADMINEMAIL' => $thissurvey['adminemail']), 3, true));
foreach ($aRecipient as $sRecipient) {
$sRecipient = trim($sRecipient);
if (validateEmailAddress($sRecipient)) {
$aEmailNotificationTo[] = $sRecipient;
}
}
}
if (!empty($thissurvey['emailresponseto'])) {
$aRecipient = explode(";", LimeExpressionManager::ProcessStepString($thissurvey['emailresponseto'], array('ADMINEMAIL' => $thissurvey['adminemail']), 3, true));
foreach ($aRecipient as $sRecipient) {
$sRecipient = trim($sRecipient);
if (validateEmailAddress($sRecipient)) {
$aEmailResponseTo[] = $sRecipient;
}
}
}
if (count($aEmailNotificationTo) || count($aEmailResponseTo)) {
templatereplace("{SID}", $thissurvey); /* Force a replacement to fill coreReplacement like {SURVEYRESOURCESURL} for example */
}
if (count($aEmailResponseTo)) {
// there was no token used so lets remove the token field from insertarray
if (!isset($_SESSION['survey_' . $surveyid]['token']) && $_SESSION['survey_' . $surveyid]['insertarray'][0] == 'token') {
unset($_SESSION['survey_' . $surveyid]['insertarray'][0]);
}
$aFullResponseTable = getFullResponseTable($surveyid, $_SESSION['survey_' . $surveyid]['srid'], $_SESSION['survey_' . $surveyid]['s_lang']);
$ResultTableHTML = "<table class='printouttable' >\n";
$ResultTableText = "\n\n";
Yii::import('application.helpers.viewHelper');
foreach ($aFullResponseTable as $sFieldname => $fname) {
if (substr($sFieldname, 0, 4) == 'gid_') {
$ResultTableHTML .= "\t<tr class='printanswersgroup'><td colspan='2'>" . viewHelper::flatEllipsizeText($fname[0], true, 0) . "</td></tr>\n";
$ResultTableText .= "\n{$fname[0]}\n\n";
} elseif (substr($sFieldname, 0, 4) == 'qid_') {
$ResultTableHTML .= "\t<tr class='printanswersquestionhead'><td colspan='2'>" . viewHelper::flatEllipsizeText($fname[0], true, 0) . "</td></tr>\n";
$ResultTableText .= "\n{$fname[0]}\n";
} else {
$ResultTableHTML .= "\t<tr class='printanswersquestion'><td>" . viewHelper::flatEllipsizeText("{$fname[0]} {$fname[1]}", true, 0) . "</td><td class='printanswersanswertext'>" . CHtml::encode($fname[2]) . "</td></tr>\n";
$ResultTableText .= " {$fname[0]} {$fname[1]}: {$fname[2]}\n";
}
}
$ResultTableHTML .= "</table>\n";
$ResultTableText .= "\n\n";
if ($bIsHTML) {
$aReplacementVars['ANSWERTABLE'] = $ResultTableHTML;
} else {
$aReplacementVars['ANSWERTABLE'] = $ResultTableText;
}
}
LimeExpressionManager::updateReplacementFields($aReplacementVars);
if (count($aEmailNotificationTo) > 0) {
$mailer = \LimeMailer::getInstance();
$mailer->setTypeWithRaw('admin_notification');
foreach ($aEmailNotificationTo as $sRecipient) {
$mailer->setTo($sRecipient);
if (!$mailer->SendMessage()) {
if ($debug > 0 && Permission::model()->hasSurveyPermission($surveyid, 'surveysettings', 'update')) {
/* Find a better way to show email error … */
echo CHtml::tag("div", array('class' => 'alert alert-danger'), sprintf(gT("Basic admin notification could not be sent because of error: %s"), $mailer->getError()));
}
}
}
}
if (count($aEmailResponseTo) > 0) {
$mailer = \LimeMailer::getInstance();
$mailer->setTypeWithRaw('admin_responses');
foreach ($aEmailResponseTo as $sRecipient) {
$mailer->setTo($sRecipient);
if (!$mailer->SendMessage()) {
if ($debug > 0 && Permission::model()->hasSurveyPermission($surveyid, 'surveysettings', 'update')) {
/* Find a better way to show email error … */
echo CHtml::tag("div", array('class' => 'alert alert-danger'), sprintf(gT("Detailed admin notification could not be sent because of error: %s"), $mailer->getError()));
}
}
}
}
}
/**
* submitfailed : used in em_manager_helper.php
*
* "Unexpected error"
*
* Will send e-mail to adminemail if defined.
*
* @param string $errormsg
* @param string $query Will be included in sent email
* @return string Error message
*/
function submitfailed($errormsg = '', $query = null)
{
global $debug;
global $thissurvey;
global $surveyid;
$completed = "<p><span class='fa fa-exclamation-triangle'></span> <strong>"
. gT("Did Not Save") . "</strong></p>"
. "<p>"
. gT("An unexpected error has occurred and your responses cannot be saved.")
. "</p>";
if ($thissurvey['adminemail']) {
$completed .= "<p>";
$completed .= gT("Your responses have not been lost and have been emailed to the survey administrator and will be entered into our database at a later point.");
$completed .= "</p>";
if (Yii::app()->getConfig('debug') > 0 && !empty($errormsg)) {
$completed .= 'Error message: ' . htmlspecialchars($errormsg) . '<br />';
}
$email = gT("An error occurred saving a response to survey id", "unescaped") . " " . $thissurvey['name'] . " - $surveyid\n\n";
$email .= gT("DATA TO BE ENTERED", "unescaped") . ":\n";
foreach ($_SESSION['survey_' . $surveyid]['insertarray'] as $value) {
if (isset($_SESSION['survey_' . $surveyid][$value])) {
$email .= "$value: {$_SESSION['survey_'.$surveyid][$value]}\n";
} else {
$email .= "$value: N/A\n";
}
}
if (!empty($query)) {
$email .= "\n" . gT("SQL CODE THAT FAILED", "unescaped") . ":\n"
. $query . "\n\n";
}
if (!empty($errormsg)) {
$email .= gT("ERROR MESSAGE", "unescaped") . ":\n"
. $errormsg . "\n\n";
}
$mailer = new \LimeMailer();
$mailer->emailType = "errorsavingresults";
$mailer->Subject = gT("Error saving results", "unescaped");
$mailer->Body = $email;
$mailer->setSurvey($surveyid);
$mailer->addAddress($thissurvey['adminemail']);
$mailer->sendMessage();
} else {
$completed .= "<a href='javascript:location.reload()'>" . gT("Try to submit again") . "</a>\n";
}
return $completed;
}
/**
* This function builds all the required session variables when a survey is first started and
* it loads any answer defaults from command line or from the table defaultvalues
* It is called from the related format script (group.php, question.php, survey.php)
* if the survey has just started.
*
* @param int $surveyid
* @param boolean $preview Defaults to false
* @return void
*/
function buildsurveysession($surveyid, $preview = false)
{
/// Yii::trace('start', 'survey.buildsurveysession');
global $clienttoken;
global $tokensexist;
$survey = Survey::model()->findByPk($surveyid);
$preview = ($preview) ? $preview : Yii::app()->getConfig('previewmode');
$sLangCode = App()->language;
$thissurvey = getSurveyInfo($surveyid, $sLangCode);
$oTemplate = Template::model()->getInstance('', $surveyid);
App()->getController()->sTemplate = $oTemplate->sTemplateName; // It's going to be hard to be sure this is used ....
$sTemplateViewPath = $oTemplate->viewPath;
// Reset all the session variables and start again
resetAllSessionVariables($surveyid);
// NOTE: All of this is already done in survey controller.
// We keep it here only for Travis Tested thar are still not using Selenium
// As soon as the tests are rewrote to use selenium, those lines can be removed
$lang = $_SESSION['survey_' . $surveyid]['s_lang'];
if (empty($lang)) {
// Multi lingual support order : by REQUEST, if not by Token->language else by survey default language
if (returnGlobal('lang', true)) {
$language_to_set = returnGlobal('lang', true);
} elseif (isset($oTokenEntry) && $oTokenEntry) {
// If survey have token : we have a $oTokenEntry
// Can use $oTokenEntry = Token::model($surveyid)->findByAttributes(array('token'=>$clienttoken)); if we move on another function : this par don't validate the token validity
$language_to_set = $oTokenEntry->language;
} else {
$language_to_set = $thissurvey['language'];
}
// Always SetSurveyLanguage : surveys controller SetSurveyLanguage too, if different : broke survey (#09769)
SetSurveyLanguage($surveyid, $language_to_set);
}
UpdateGroupList($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
$totalquestions = $survey->countTotalQuestions;
$iTotalGroupsWithoutQuestions = QuestionGroup::model()->getTotalGroupsWithoutQuestions($surveyid);
$_SESSION['survey_' . $surveyid]['totalquestions'] = $survey->countInputQuestions;
// 2. SESSION VARIABLE: totalsteps
setTotalSteps($surveyid, $thissurvey, $totalquestions);
// Break out and crash if there are no questions!
if (($totalquestions == 0 || $iTotalGroupsWithoutQuestions > 0) && !$preview) {
breakOutAndCrash($sTemplateViewPath, $totalquestions, $iTotalGroupsWithoutQuestions, $thissurvey);
}
//Perform a case insensitive natural sort on group name then question title of a multidimensional array
// usort($arows, 'groupOrderThenQuestionOrder');
//3. SESSION VARIABLE - insertarray
//An array containing information about used to insert the data into the db at the submit stage
//4. SESSION VARIABLE - fieldarray
//See rem at end..
if ($tokensexist == 1 && $clienttoken) {
$_SESSION['survey_' . $surveyid]['token'] = $clienttoken;
}
if ($thissurvey['anonymized'] == "N") {
$_SESSION['survey_' . $surveyid]['insertarray'][] = "token";
}
$fieldmap = $_SESSION['survey_' . $surveyid]['fieldmap'] = createFieldMap($survey, 'full', true, false, $_SESSION['survey_' . $surveyid]['s_lang']);
// first call to initFieldArray
initFieldArray($surveyid, $fieldmap);
// Prefill questions/answers from command line params
prefillFromCommandLine($surveyid);
if (isset($_SESSION['survey_' . $surveyid]['fieldarray'])) {
$_SESSION['survey_' . $surveyid]['fieldarray'] = array_values($_SESSION['survey_' . $surveyid]['fieldarray']);
}
//Check if a passthru label and value have been included in the query url
checkPassthruLabel($surveyid, $preview, $fieldmap);
Yii::trace('end', 'survey.buildsurveysession');
}
/**
* Check if a passthru label and value have been included in the query url
* @param int $surveyid
* @param boolean $preview
* @return void
*/
function checkPassthruLabel($surveyid, $preview, $fieldmap)
{
$oResult = SurveyURLParameter::model()->getParametersForSurvey($surveyid);
foreach ($oResult->readAll() as $aRow) {
if (isset($_GET[$aRow['parameter']]) && !$preview) {
$_SESSION['survey_' . $surveyid]['urlparams'][$aRow['parameter']] = $_GET[$aRow['parameter']];
if ($aRow['targetqid'] != '') {
foreach ($fieldmap as $sFieldname => $aField) {
if ($aRow['targetsqid'] != '') {
if ($aField['qid'] == $aRow['targetqid'] && $aField['sqid'] == $aRow['targetsqid']) {
$_SESSION['survey_' . $surveyid]['startingValues'][$sFieldname] = $_GET[$aRow['parameter']];
$_SESSION['survey_' . $surveyid]['startingValues'][$aRow['parameter']] = $_GET[$aRow['parameter']];
}
} else {
if ($aField['qid'] == $aRow['targetqid']) {
$_SESSION['survey_' . $surveyid]['startingValues'][$sFieldname] = $_GET[$aRow['parameter']];
$_SESSION['survey_' . $surveyid]['startingValues'][$aRow['parameter']] = $_GET[$aRow['parameter']];
}
}
}
}
}
}
}
/**
* Prefill startvalues from command line param
* @param integer $surveyid
* @return void
*/
function prefillFromCommandLine($surveyid)
{
// This keys will never be prefilled
$reservedGetValues = array(
'token',
'sid',
'gid',
'qid',
'lang',
'newtest',
'action',
'seed'
);
if (!isset($_SESSION['survey_' . $surveyid]['startingValues'])) {
$startingValues = array();
} else {
$startingValues = $_SESSION['survey_' . $surveyid]['startingValues'];
}
if (Yii::app()->getRequest()->getRequestType() == 'GET') {
$getValues = array_diff_key($_GET, array_combine($reservedGetValues, $reservedGetValues));
if (!empty($getValues)) {
$qcode2sgqa = array();
Yii::import('application.helpers.viewHelper');
foreach ($_SESSION['survey_' . $surveyid]['fieldmap'] as $sgqa => $details) {
$qcode2sgqa[viewHelper::getFieldCode($details, array('LEMcompat' => true))] = $sgqa;
}
foreach ($getValues as $k => $v) {
if (isset($_SESSION['survey_' . $surveyid]['fieldmap'][$k])) {
// sXgXqa prefilling
$startingValues[$k] = $v;
} elseif (array_key_exists($k, $qcode2sgqa)) {
// EM code prefilling
$startingValues[$qcode2sgqa[$k]] = $v;
}
}
}
}
$_SESSION['survey_' . $surveyid]['startingValues'] = $startingValues;
}
/**
* @param array $fieldmap
* @param integer $surveyid
* @return void
*/
function initFieldArray($surveyid, array $fieldmap)
{
// Reset field array if called more than once (should not happen)
$_SESSION['survey_' . $surveyid]['fieldarray'] = array();
foreach ($fieldmap as $key => $field) {
if (isset($field['qid']) && $field['qid'] != '') {
$_SESSION['survey_' . $surveyid]['fieldnamesInfo'][$field['fieldname']] = $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'];
$_SESSION['survey_' . $surveyid]['insertarray'][] = $field['fieldname'];
//fieldarray ARRAY CONTENTS -
// [0]=questions.qid,
// [1]=fieldname,
// [2]=questions.title,
// [3]=questions.question
// [4]=questions.type,
// [5]=questions.gid,
// [6]=questions.mandatory,
// [7]=conditionsexist,
// [8]=usedinconditions
// [8]=usedinconditions
// [9]=used in group.php for question count
// [10]=new group id for question in randomization group (GroupbyGroup Mode)
if (!isset($_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']])) {
//JUST IN CASE : PRECAUTION!
//following variables are set only if $style=="full" in createFieldMap() in common_helper.
//so, if $style = "short", set some default values here!
if (isset($field['title'])) {
$title = $field['title'];
} else {
$title = "";
}
if (isset($field['question'])) {
$question = $field['question'];
} else {
$question = "";
}
if (isset($field['mandatory'])) {
$mandatory = $field['mandatory'];
} else {
$mandatory = 'N';
}
if (isset($field['hasconditions'])) {
$hasconditions = $field['hasconditions'];
} else {
$hasconditions = 'N';
}
if (isset($field['usedinconditions'])) {
$usedinconditions = $field['usedinconditions'];
} else {
$usedinconditions = 'N';
}
$_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']] = array($field['qid'],
$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'],
$title,
$question,
$field['type'],
$field['gid'],
$mandatory,
$hasconditions,
$usedinconditions);
}
if (isset($field['random_gid'])) {
$_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']][10] = $field['random_gid'];
}
}
}
}
/**
* Apply randomizationGroup and randomizationQuestion to session fieldmap
* @param int $surveyid
* @param boolean $preview
* @return void
*/
function randomizationGroupsAndQuestions($surveyid, $preview = false, $fieldmap = array())
{
// Initialize the randomizer. Seed will be stored in response.
// TODO: rewrite this THE YII WAY !!!! (application/third_party + internal config for namespace + aliases; etc)
ls\mersenne\setSeed($surveyid);
$fieldmap = (empty($fieldmap)) ? $_SESSION['survey_' . $surveyid]['fieldmap'] : $fieldmap;
list($fieldmap, $randomized1) = randomizationGroup($surveyid, $fieldmap, $preview); // Randomization groups for groups
list($fieldmap, $randomized2) = randomizationQuestion($surveyid, $fieldmap, $preview); // Randomization groups for questions
$randomized = $randomized1 || $randomized2;
;
$_SESSION['survey_' . $surveyid]['randomized'] = $randomized;
if ($randomized === true) {
$fieldmap = finalizeRandomization($fieldmap);
$_SESSION['survey_' . $surveyid]['fieldmap-' . $surveyid . $_SESSION['survey_' . $surveyid]['s_lang']] = $fieldmap;
$_SESSION['survey_' . $surveyid]['fieldmap-' . $surveyid . '-randMaster'] = 'fieldmap-' . $surveyid . $_SESSION['survey_' . $surveyid]['s_lang'];
}
$_SESSION['survey_' . $surveyid]['fieldmap'] = $fieldmap;
return $fieldmap;
}
/**
* Randomization group for groups
* @param int $surveyid
* @param array $fieldmap
* @param boolean $preview
* @return array ($fieldmap, $randomized)
*/
function randomizationGroup($surveyid, array $fieldmap, $preview)
{
// Randomization groups for groups
$aRandomGroups = array();
$aGIDCompleteMap = array();
// First find all groups and their groups IDS
$criteria = new CDbCriteria();
$criteria->addColumnCondition(array('sid' => $surveyid));
$criteria->addCondition("randomization_group != ''");
$oData = QuestionGroup::model()->findAll($criteria);
foreach ($oData as $aGroup) {
$aRandomGroups[$aGroup['randomization_group']][] = $aGroup['gid'];
}
// Shuffle each group and create a map for old GID => new GID
foreach ($aRandomGroups as $sGroupName => $aGIDs) {
$aShuffledIDs = $aGIDs;
$aShuffledIDs = ls\mersenne\shuffle($aShuffledIDs);
$aGIDCompleteMap = $aGIDCompleteMap + array_combine($aGIDs, $aShuffledIDs);
}
$_SESSION['survey_' . $surveyid]['groupReMap'] = $aGIDCompleteMap;
$randomized = false; // So we can trigger reorder once for group and question randomization
// Now adjust the grouplist
if (count($aRandomGroups) > 0 && !$preview) {
$randomized = true; // So we can trigger reorder once for group and question randomization
// Now adjust the grouplist
Yii::import('application.helpers.frontend_helper', true); // make sure frontend helper is loaded ???? We are inside frontend_helper..... TODO: check if it can be removed
UpdateGroupList($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
// ... and the fieldmap
// First create a fieldmap with GID as key
foreach ($fieldmap as $aField) {
if (isset($aField['gid'])) {
$GroupFieldMap[$aField['gid']][] = $aField;
} else {
$GroupFieldMap['other'][] = $aField;
}
}
// swap it
foreach ($GroupFieldMap as $iOldGid => $fields) {
$iNewGid = $iOldGid;
if (isset($aGIDCompleteMap[$iOldGid])) {
$iNewGid = $aGIDCompleteMap[$iOldGid];
}
$newGroupFieldMap[$iNewGid] = $GroupFieldMap[$iNewGid];
}
$GroupFieldMap = $newGroupFieldMap;
// and convert it back to a fieldmap
unset($fieldmap);
foreach ($GroupFieldMap as $aGroupFields) {
foreach ($aGroupFields as $aField) {
if (isset($aField['fieldname'])) {
$fieldmap[$aField['fieldname']] = $aField; // isset() because of the shuffled flag above
}
}
}
}
return array($fieldmap, $randomized);
}
/**
* Randomization group for questions
* @param int $surveyid
* @param array $fieldmap
* @param boolean $preview
* @return array ($fieldmap, $randomized)
*/
function randomizationQuestion($surveyid, array $fieldmap, $preview)
{
$randomized = false;
$randomGroups = array();
// Find all defined randomization groups through question attribute values
if (in_array(Yii::app()->db->getDriverName(), array('mssql', 'sqlsrv', 'dblib'))) {
//Previous query: $rgquery = "SELECT attr.qid, CAST(value as varchar(255)) as value FROM {{question_attributes}} as attr right join {{questions}} as quests on attr.qid=quests.qid WHERE attribute='random_group' and CAST(value as varchar(255)) <> '' and sid=$surveyid GROUP BY attr.qid, CAST(value as varchar(255))";
$rgresult = Question::model()->with('questionattributes')->together()->findAll("attribute='random_group' and CAST(value as varchar(255)) <>'' and sid={$surveyid}");
} else {
//Previous query: $rgquery = "SELECT attr.qid, value FROM {{question_attributes}} as attr right join {{questions}} as quests on attr.qid=quests.qid WHERE attribute='random_group' and value <> '' and sid=$surveyid GROUP BY attr.qid, value";
$rgresult = Question::model()->with('questionattributes')->together()->findAll("attribute='random_group' and value <>'' and sid={$surveyid}");
}