/
SurveyRuntimeHelper.php
1728 lines (1437 loc) · 81.6 KB
/
SurveyRuntimeHelper.php
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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/*
* LimeSurvey
* Copyright (C) 2007-2011 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.
*
*/
class SurveyRuntimeHelper {
/**
* In the 2.x version of LimeSurvey and priors, the main run method was using a variable called redata fed via get_defined_vars. It was making hard to move piece of code to subfuntions.
* Those private variables are just a step to make easier refactorisation of this file, to have a global overview about what is set in this helper, and to move easely piece of code to new methods:
* The methods get/set the private variables, and defore calling get_defined_vars, variables are created from those private variables.
* It's just a first step. get_defined_vars should be removed, and most of the private variables here should be moved to the correct object:
* i.e: all the private variable concerning the survey should be moved to the survey model and replaced by a $oSurvey
*/
// parameters
private $param;
// Preview datas
private $previewquestion = false;
private $previewgrp = false;
private $preview = false;
// Template datas
private $oTemplate; // Template configuration object (set in model TemplateConfiguration)
private $sTemplateViewPath; // Path of the layout files in template
// LEM Datas
private $LEMsessid;
private $LEMdebugLevel = 0; // customizable debugging for Lime Expression Manager ; LEM_DEBUG_TIMING; (LEM_DEBUG_TIMING + LEM_DEBUG_VALIDATION_SUMMARY + LEM_DEBUG_VALIDATION_DETAIL);
private $LEMskipReprocessing = false; // true if used GetLastMoveResult to avoid generation of unneeded extra JavaScript
// Survey settings:
// TODO: To respect object oriented design, all those "states" should be move to SurveyDynamic model, or its related models via relations.
// The only private variable here should be $oSurvey.
private $aSurveyInfo; // Array returned by common_helper::getSurveyInfo(); (survey row + language settings );
private $iSurveyid = null; // The survey id
private $bShowEmptyGroup = false; // True only when $_SESSION[$this->LEMsessid]['step'] == 0 ; Just a variable for a logic step ==> should not be a Class variable (for now, only here for the redata== get_defined_vars mess)
private $sSurveyMode; // {Group By Group, All in one, Question by question}
private $aSurveyOptions; // Few options comming from thissurvey, App->getConfig, LEM. Could be replaced by $oSurvey + relations ; the one coming from LEM and getConfig should be public variable on the surveyModel, set via public methods (active, allowsave, anonymized, assessments, datestamp, deletenonvalues, ipaddr, radix, refurl, savetimings, surveyls_dateformat, startlanguage, target, tempdir,timeadjust)
private $sLangCode; // Current language code
// moves
private $aMoveResult = false; // Contains the result of LimeExpressionManager::JumpTo() OR LimeExpressionManager::NavigateBackwards() OR NavigateForwards::LimeExpressionManager(). TODO: create a function LimeExpressionManager::MoveTo that call the right method
private $move = null; // The move requested by user. Set by frontend_helper::getMove() from the POST request.
private $bInvalidLastPage = false; // Just a variable used to check if user submitted a survey while it's not finished. Just a variable for a logic step ==> should not be a Class variable (for now, only here for the redata== get_defined_vars mess)
private $aStepInfo;
// Popups: HTML of popus. If they are null, no popup. If they contains a string, a popup will be shown to participant.
// They could probably be merged.
private $backpopup = false; // "Please use the LimeSurvey navigation buttons or index. It appears you attempted to use the browser back button to re-submit a page."
private $popup = false; // savedcontrol, mandatory_popup
private $notvalidated; // question validation error
// response
// TODO: To respect object oriented design, all those "states" should be move to Response model, or its related models via relations.
private $notanswered; // A global variable...Should be $oResponse->notanswered
private $filenotvalidated = false; // Same, but specific to file question type. (seems to be problematic by the past)
// strings
private $completed; // The string containing the completed message
// Boolean helpers
private $okToShowErrors; // true if we must show error in page : it's a submited ($_POST) page and show the same page again for some reason
// Group
private $gid;
private $groupname;
private $groupdescription;
/**
* Main function
*
* @param mixed $surveyid
* @param mixed $args
*/
public function run($surveyid,$args)
{
// Survey settings
$this->setSurveySettings( $surveyid, $args);
// Start rendering
$this->makeLanguageChanger(); // language changer can be used on any entry screen, so it must be set first
extract($args);
///////////////////////////////////////////////////////////
// 1: We check if token and/or captcha form shouls be shown
if (!isset($_SESSION[$this->LEMsessid]['step'])){
$this->showTokenOrCaptchaFormsIfNeeded();
}
if ( !$this->previewgrp && !$this->previewquestion){
$this->initMove(); // main methods to init session, LEM, moves, errors, etc
$this->checkQuotas(); // check quotas (then the process will stop here)
$this->displayFirstPageIfNeeded();
$this->saveAllIfNeeded();
$this->saveSubmitIfNeeded();
// TODO: move somewhere else
$this->setNotAnsweredAndNotValidated();
}else{
$this->setPreview();
}
$this->moveSubmitIfNeeded();
$this->setGroup();
$this->fixMaxStep();
//******************************************************************************************************
//PRESENT SURVEY
//******************************************************************************************************
$this->okToShowErrors = $okToShowErrors = (!($this->previewgrp || $this->previewquestion) && ($this->bInvalidLastPage || $_SESSION[$this->LEMsessid]['prevstep'] == $_SESSION[$this->LEMsessid]['step']));
Yii::app()->getController()->loadHelper('qanda');
setNoAnswerMode($this->aSurveyInfo);
//Iterate through the questions about to be displayed:
$inputnames = array();
$vpopup = $fpopup = false;
$upload_file = null;
foreach ($_SESSION[$this->LEMsessid]['grouplist'] as $gl){
$gid = $gl['gid'];
$qnumber = 0;
if ($this->sSurveyMode != 'survey'){
$onlyThisGID = $this->aStepInfo['gid'];
if ($onlyThisGID != $gid){
continue;
}
}
//// To diplay one question, all the questions are processed ?
$qanda = array();
$upload_file = false;
foreach ($_SESSION[$this->LEMsessid]['fieldarray'] as $key => $ia){
++$qnumber;
$ia[9] = $qnumber; // incremental question count;
// Make $qanda only for needed question $ia[10] is the randomGroup and $ia[5] the real group
if ((isset($ia[10]) && $ia[10] == $gid) || (!isset($ia[10]) && $ia[5] == $gid)){
if ($this->sSurveyMode == 'question' && $ia[0] != $this->aStepInfo['qid']){
continue;
}
$qidattributes = QuestionAttribute::model()->getQuestionAttributes($ia[0]);
if ($ia[4] != '*' && ($qidattributes === false || !isset($qidattributes['hidden']) || $qidattributes['hidden'] == 1)){
continue;
}
//Get the answers/inputnames
// TMSW - can content of retrieveAnswers() be provided by LEM? Review scope of what it provides.
// TODO - retrieveAnswers is slow - queries database separately for each question. May be fixed in _CI or _YII ports, so ignore for now
list($plus_qanda, $plus_inputnames) = retrieveAnswers($ia);
if ($plus_qanda){
$plus_qanda[] = $ia[4];
$plus_qanda[] = $ia[6]; // adds madatory identifyer for adding mandatory class to question wrapping div
// Add a finalgroup in qa array , needed for random attribute : TODO: find a way to have it in new quanda_helper in 2.1
if(isset($ia[10]))
$plus_qanda['finalgroup']=$ia[10];
else
$plus_qanda['finalgroup']=$ia[5];
$qanda[] = $plus_qanda;
}
if ($plus_inputnames){
$inputnames = addtoarray_single($inputnames, $plus_inputnames);
}
//Display the "mandatory" popup if necessary
// TMSW - get question-level error messages - don't call **_popup() directly
if ($okToShowErrors && $this->aStepInfo['mandViolation']){
list($mandatorypopup, $this->popup) = mandatory_popup($ia, $this->notanswered);
}
//Display the "validation" popup if necessary
if ($okToShowErrors && !$this->aStepInfo['valid']){
list($validationpopup, $vpopup) = validation_popup($ia, $this->notvalidated);
}
// Display the "file validation" popup if necessary
if ($okToShowErrors && ($this->filenotvalidated !== false) ){
list($filevalidationpopup, $fpopup) = file_validation_popup($ia, $this->filenotvalidated);
}
}
if ($ia[4] == "|")
$upload_file = true;
} //end iteration
}
if ($this->sSurveyMode != 'survey' && isset($this->aSurveyInfo['showprogress']) && $this->aSurveyInfo['showprogress'] == 'Y'){
if ($this->bShowEmptyGroup){
$this->aSurveyInfo['progress']['currentstep'] = $_SESSION[$this->LEMsessid]['totalsteps'] + 1;
$this->aSurveyInfo['progress']['total'] = $_SESSION[$this->LEMsessid]['totalsteps'];
}else{
$this->aSurveyInfo['progress']['currentstep'] = $_SESSION[$this->LEMsessid]['step'];
$this->aSurveyInfo['progress']['total'] = $_SESSION[$this->LEMsessid]['totalsteps'];
}
}
$this->aSurveyInfo['yiiflashmessages'] = Yii::app()->user->getFlashes();
/**
* create question index only in SurveyRuntime, not needed elsewhere, add it to GlobalVar : must be always set even if empty
*
*/
$this->aSurveyInfo['aQuestionIndex']['bShow'] = false;
if ($this->aSurveyInfo['questionindex']){
if(!$this->previewquestion && !$this->previewgrp){
$this->aSurveyInfo['aQuestionIndex']['items'] = ls\helpers\questionIndexHelper::getInstance()->getIndexItems();
if($this->aSurveyInfo['questionindex'] > 1){
$this->aSurveyInfo['aQuestionIndex']['type'] = 'full';
}else{
$this->aSurveyInfo['aQuestionIndex']['type'] = 'incremental';
}
}
if ( count($this->aSurveyInfo['aQuestionIndex']['items']) > 0){
$this->aSurveyInfo['aQuestionIndex']['bShow'] = true;
}
}
sendCacheHeaders();
Yii::app()->loadHelper('surveytranslator');
$this->aSurveyInfo['upload_file'] = $upload_file;
$hiddenfieldnames = $this->aSurveyInfo['hiddenfieldnames'] = implode("|", $inputnames);
Yii::app()->clientScript->registerScriptFile(Yii::app()->getConfig("generalscripts").'nojs.js',CClientScript::POS_HEAD);
// Show question code/number
$this->aSurveyInfo['aShow'] = $this->getShowNumAndCode();
$aPopup=array(); // We can move this part where we want now
if ( $this->backpopup != false ){
$aPopup[]=$this->backpopup;// If user click reload: no need other popup
}else{
if ( $this->popup != false ){
$aPopup[] = $this->popup;
}
if ( $vpopup != false ){
$aPopup[]=$vpopup;
}
if ( $fpopup != false ){
$aPopup[]=$fpopup;
}
}
$this->aSurveyInfo['jPopup'] = json_encode($aPopup);
$bShowpopups = Yii::app()->getConfig('showpopups');
$aErrorHtmlMessage = $this->getErrorHtmlMessage();
$this->aSurveyInfo['errorHtml']['show'] = !empty($aErrorHtmlMessage);
$this->aSurveyInfo['errorHtml']['hiddenClass'] = $bShowpopups ? "ls-js-hidden ":"";
$this->aSurveyInfo['errorHtml']['messages'] = $aErrorHtmlMessage;
$_gseq = -1;
foreach ($_SESSION[$this->LEMsessid]['grouplist'] as $gl){
++$_gseq;
$gid = $gl['gid'];
$aGroup = array();
$groupname = $gl['group_name'];
$groupdescription = $gl['description'];
if ($this->sSurveyMode != 'survey' && $gid != $onlyThisGID){
continue;
}
Yii::app()->setConfig('gid',$gid);// To be used in templaterplace in whole group. Attention : it's the actual GID (not the GID of the question)
$aGroup['class'] = "";
$gnoshow = LimeExpressionManager::GroupIsIrrelevantOrHidden($_gseq);
$redata = compact(array_keys(get_defined_vars()));
if ($gnoshow && !$this->previewgrp){
$aGroup['class'] = ' ls-hidden';
}
$aGroup['name'] = $gl['group_name'];
$aGroup['gseq'] = $_gseq;
$showgroupinfo_global_ = getGlobalSetting('showgroupinfo');
$aSurveyinfo = getSurveyInfo($this->iSurveyid);
// Look up if there is a global Setting to hide/show the Questiongroup => In that case Globals will override Local Settings
if(($aSurveyinfo['showgroupinfo'] == $showgroupinfo_global_) || ($showgroupinfo_global_ == 'choose')){
$showgroupinfo_ = $aSurveyinfo['showgroupinfo'];
} else {
$showgroupinfo_ = $showgroupinfo_global_;
}
$showgroupdesc_ = $showgroupinfo_ == 'B' /* both */ || $showgroupinfo_ == 'D'; /* (group-) description */
$aGroup['showdescription'] = (!$this->previewquestion && trim($redata['groupdescription'])!="" && $showgroupdesc_);
$aGroup['description'] = $redata['groupdescription'];
// one entry per QID
foreach ($qanda as $qa) {
// Test if finalgroup is in this qid (for all in one survey, else we do only qanda for needed question (in one by one or group by goup)
if ($gid != $qa['finalgroup']) {
continue;
}
$qid = $qa[4];
$qinfo = LimeExpressionManager::GetQuestionStatus($qid);
$lemQuestionInfo = LimeExpressionManager::GetQuestionStatus($qid);
$lastgrouparray = explode("X", $qa[7]);
$lastgroup = $lastgrouparray[0] . "X" . $lastgrouparray[1]; // id of the last group, derived from question id
$lastanswer = $qa[7];
if ($qinfo['hidden'] && $qinfo['info']['type'] != '*'){
continue; // skip this one
}
$question = $qa[0];
//===================================================================
// The following four variables offer the templating system the
// capacity to fully control the HTML output for questions making the
// above echo redundant if desired.
$question['sgq'] = $qa[7];
$question['aid'] = !empty($qinfo['info']['aid']) ? $qinfo['info']['aid'] : 0;
$question['sqid'] = !empty($qinfo['info']['sqid']) ? $qinfo['info']['sqid'] : 0;
//===================================================================
// easier to understand for survey maker
$aGroup['aQuestions'][$qid]['qid'] = $qa[4];
$aGroup['aQuestions'][$qid]['code'] = $qa[5];
$aGroup['aQuestions'][$qid]['number'] = $qa[0]['number'];
$aGroup['aQuestions'][$qid]['text'] = LimeExpressionManager::ProcessString($qa[0]['text'], $qa[4], NULL, false, 3, 1, false, true, false);
$aGroup['aQuestions'][$qid]['SGQ'] = $qa[7];
$aGroup['aQuestions'][$qid]['mandatory'] = $qa[0]['mandatory'];
$aGroup['aQuestions'][$qid]['input_error_class'] = $qa[0]['input_error_class'];
$aGroup['aQuestions'][$qid]['valid_message'] = $qa[0]['valid_message'];
$aGroup['aQuestions'][$qid]['file_valid_message'] = $qa[0]['file_valid_message'];
$aGroup['aQuestions'][$qid]['man_message'] = $qa[0]['man_message'];
$aGroup['aQuestions'][$qid]['answer'] = $qa[1];
$aGroup['aQuestions'][$qid]['help']['show'] = (flattenText( $lemQuestionInfo['info']['help'], true,true) != '');
$aGroup['aQuestions'][$qid]['help']['text'] = LimeExpressionManager::ProcessString($lemQuestionInfo['info']['help'], $qa[4], NULL, false, 3, 1, false, true, false);
}
$aGroup['show_last_group'] = $aGroup['show_last_answer'] = false;
$aGroup['lastgroup'] = $aGroup['lastanswer'] = '';
if (!empty($qanda)){
if ($this->sSurveyMode == 'group') {
$aGroup['show_last_group'] = true;
$aGroup['lastgroup'] = $lastgroup;
}
if ($this->sSurveyMode == 'question') {
$aGroup['show_last_answer'] = true;
$aGroup['lastanswer'] = $lastanswer;
}
}
Yii::app()->setConfig('gid','');
$this->aSurveyInfo['aGroups'][$gid] = $aGroup;
}
LimeExpressionManager::FinishProcessingGroup($this->LEMskipReprocessing);
$this->aSurveyInfo['EM']['ScriptsAndHiddenInputs'] = LimeExpressionManager::GetRelevanceAndTailoringJavaScript();
Yii::app()->clientScript->registerScript('triggerEmRelevance',"triggerEmRelevance();",CClientScript::POS_END);
/* Maybe only if we have mandatory error ?*/
Yii::app()->clientScript->registerScript('updateMandatoryErrorClass',"updateMandatoryErrorClass();",CClientScript::POS_END);
LimeExpressionManager::FinishProcessingPage();
/**
* Navigator
*/
$this->aSurveyInfo['aNavigator'] = array();
$this->aSurveyInfo['aNavigator']['show'] = $aNavigator['show'] = $this->aSurveyInfo['aNavigator']['save']['show'] = $this->aSurveyInfo['aNavigator']['load']['show'] = false;
if (!$this->previewgrp && !$this->previewquestion){
$this->aSurveyInfo['aNavigator'] = getNavigatorDatas();
$this->aSurveyInfo['hiddenInputs'] = "<input type='hidden' name='thisstep' value='{$_SESSION[$this->LEMsessid]['step']}' id='thisstep' />\n";
$this->aSurveyInfo['hiddenInputs'] .= "<input type='hidden' name='sid' value='$this->iSurveyid' id='sid' />\n";
$this->aSurveyInfo['hiddenInputs'] .= "<input type='hidden' name='start_time' value='" . time() . "' id='start_time' />\n";
$_SESSION[$this->LEMsessid]['LEMpostKey'] = mt_rand();
$this->aSurveyInfo['hiddenInputs'] .= "<input type='hidden' name='LEMpostKey' value='{$_SESSION[$this->LEMsessid]['LEMpostKey']}' id='LEMpostKey' />\n";
global $token;
if ($token){
$this->aSurveyInfo['hiddenInputs'] .= "\n<input type='hidden' name='token' value='$token' id='token' />\n";
}
}
// For "clear all" buttons
$this->aSurveyInfo['jYesNo'] = ls_json_encode(array('yes'=>gT("Yes"),'no'=>gT("No")));
$this->aSurveyInfo['aLEM']['debugtimming']['show'] = false;
if (($this->LEMdebugLevel & LEM_DEBUG_TIMING) == LEM_DEBUG_TIMING){
$this->aSurveyInfo['aLEM']['debugtimming']['show'] = true;
$this->aSurveyInfo['aLEM']['debugtimming']['script'] = LimeExpressionManager::GetDebugTimingMessage();
}
$this->aSurveyInfo['aLEM']['debugvalidation']['show'] = false;
if (($this->LEMdebugLevel & LEM_DEBUG_VALIDATION_SUMMARY) == LEM_DEBUG_VALIDATION_SUMMARY){
$this->aSurveyInfo['aLEM']['debugvalidation']['show'] = true;
$this->aSurveyInfo['aLEM']['debugvalidation']['message'] = $this->aMoveResult['message'];
}
Yii::app()->twigRenderer->renderTemplateFromFile("layout_main.twig", array('aSurveyInfo'=>$this->aSurveyInfo), false);
}
public function getShowNumAndCode()
{
$showqnumcode_global_ = getGlobalSetting('showqnumcode');
$showqnumcode_survey_ = $this->aSurveyInfo['showqnumcode'];
// Check global setting to see if survey level setting should be applied
if($showqnumcode_global_ == 'choose') { // Use survey level settings
$showqnumcode_ = $showqnumcode_survey_; //B, N, C, or X
} else {
// Use global setting
$showqnumcode_ = $showqnumcode_global_; //both, number, code, or none
}
switch ($showqnumcode_){
// Both
case 'both':
case 'B':
$aShow['question_code'] = true;
$aShow['question_number'] = true;
break;
// Number only
case 'number':
case 'N':
$aShow['question_code'] = false;
$aShow['question_number'] = true;
break;
// Code only
case 'code':
case 'C':
$aShow['question_code'] = true;
$aShow['question_number'] = false;
break;
// Neither
case 'none':
case 'X':
default:
$aShow['question_code'] = false;
$aShow['question_number'] = false;
break;
}
return $aShow;
}
/**
* Init session/params values depending of user moves
*
* - It init the needed variables for navigation: initFirstStep, initTotalAndMaxSteps, setMoveResult
* - Then perform all the needed checks before moving:
* + did the participant used browser navigation?
* + did he pressed clear cancel, is he a confirmed quota?
* + Is the previous step set?
* + Is the survey finished?
* + Are all the answer validated? (like: participant didn't answered to a mandatory question)
*/
private function initMove()
{
$this->initFirstStep(); // If it's the first time user load this survey, will init session and LEM
$this->initTotalAndMaxSteps();
$this->checkIfUseBrowserNav(); // Check if user used browser navigation, or relaoded page
if ($this->move != 'clearcancel' && $this->move != 'confirmquota'){
$this->checkPrevStep(); // Check if prev step is set, else set it
$this->setMoveResult();
$this->checkClearCancel();
$this->setPrevStep();
$this->checkIfFinished();
$this->setStep();
// CHECK UPLOADED FILES
// TMSW - Move this into LEM::NavigateForwards?
$this->filenotvalidated = checkUploadedFileValidity($this->iSurveyid, $this->move);
//SEE IF THIS GROUP SHOULD DISPLAY
if ($_SESSION[$this->LEMsessid]['step'] == 0) {
$this->bShowEmptyGroup = true;
}
// For welcome screen
$this->thissurvey['iTotalquestions'] = $_SESSION['survey_'.$this->iSurveyid]['totalquestions'];
$showxquestions = Yii::app()->getConfig('showxquestions');
$this->thissurvey['bShowxquestions'] = ( $showxquestions == 'show' || ($showxquestions == 'choose' && !isset($this->aSurveyInfo['showxquestions'])) || ($showxquestions == 'choose' && $this->aSurveyInfo['showxquestions'] == 'Y'));
}
}
/**
* Now it's ok ^^
*/
private function setArgs()
{
if ($this->sMove == "movesubmit"){
if ($this->aSurveyInfo['refurl'] == "Y"){
//Only add this if it doesn't already exist
if (!in_array("refurl", $_SESSION[$this->LEMsessid]['insertarray'])){
$_SESSION[$this->LEMsessid]['insertarray'][] = "refurl";
}
}
resetTimers();
//Before doing the "templatereplace()" function, check the $this->aSurveyInfo['url']
//field for limereplace stuff, and do transformations!
$this->aSurveyInfo['surveyls_url'] = passthruReplace($this->aSurveyInfo['surveyls_url'], $this->aSurveyInfo);
$this->aSurveyInfo['surveyls_url'] = templatereplace($this->aSurveyInfo['surveyls_url'], array(), $redata, 'URLReplace', false, NULL, array(), true ); // to do INSERTANS substitutions
//THE FOLLOWING DEALS WITH SUBMITTING ANSWERS AND COMPLETING AN ACTIVE SURVEY
//don't use cookies if tokens are being used
if (!empty($this->aSurveyInfo['active']) && $this->aSurveyInfo['active'] == "Y"){
global $tokensexist;
if ($this->aSurveyInfo['usecookie'] == "Y" && $tokensexist != 1) {
setcookie("LS_" . $this->iSurveyid . "_STATUS", "COMPLETE", time() + 31536000); //Cookie will expire in 365 days
}
}
}
}
/**
* Retreive the survey format (mode?)
* TODO: move to survey model
*
* @return string
*/
private function setSurveyMode()
{
switch ($this->aSurveyInfo['format'])
{
case "A": //All in one
$this->sSurveyMode = 'survey';
break;
default:
case "S": //One at a time
$this->sSurveyMode = 'question';
break;
case "G": //Group at a time
$this->sSurveyMode = 'group';
break;
}
}
/**
* Retreive the radix
* @return string
*/
private function getRadix()
{
$radix = getRadixPointData($this->aSurveyInfo['surveyls_numberformat']);
$radix = $radix['separator'];
return $radix;
}
/**
* Retreives dew options comming from thissurvey, App->getConfig, LEM.
* TODO: move to survey model
*
*/
private function setSurveyOptions()
{
global $clienttoken;
$radix = $this->getRadix();
$timeadjust = Yii::app()->getConfig("timeadjust");
$this->aSurveyOptions = array(
'active' => ($this->aSurveyInfo['active'] == 'Y'),
'allowsave' => ($this->aSurveyInfo['allowsave'] == 'Y'),
'anonymized' => ($this->aSurveyInfo['anonymized'] != 'N'),
'assessments' => ($this->aSurveyInfo['assessments'] == 'Y'),
'datestamp' => ($this->aSurveyInfo['datestamp'] == 'Y'),
'deletenonvalues' => Yii::app()->getConfig('deletenonvalues'),
'hyperlinkSyntaxHighlighting' => (($this->LEMdebugLevel & LEM_DEBUG_VALIDATION_SUMMARY) == LEM_DEBUG_VALIDATION_SUMMARY), // TODO set this to true if in admin mode but not if running a survey
'ipaddr' => ($this->aSurveyInfo['ipaddr'] == 'Y'),
'radix' => $radix,
'refurl' => (($this->aSurveyInfo['refurl'] == "Y" && isset($_SESSION[$this->LEMsessid]['refurl'])) ? $_SESSION[$this->LEMsessid]['refurl'] : NULL),
'savetimings' => ($this->aSurveyInfo['savetimings'] == "Y"),
'surveyls_dateformat' => ( ($timeadjust!=0) ? $this->aSurveyInfo['surveyls_dateformat'] : 1),
'startlanguage' => (isset(App()->language) ? App()->language : $this->aSurveyInfo['language']),
'target' => Yii::app()->getConfig('uploaddir').DIRECTORY_SEPARATOR.'surveys'.DIRECTORY_SEPARATOR.$this->aSurveyInfo['sid'].DIRECTORY_SEPARATOR.'files'.DIRECTORY_SEPARATOR,
'tempdir' => Yii::app()->getConfig('tempdir').DIRECTORY_SEPARATOR,
'timeadjust' => $timeadjust,
'token' => $clienttoken,
);
}
/**
* If it's the first time the survey is loaded:
* - Init session, randomization and filed array
* - Check surveyid coherence
* - Init $LEM states.
* - Decide if Welcome page should be shown
*/
private function initFirstStep()
{
// First time the survey is loaded
if (!isset($_SESSION[$this->LEMsessid]['step']))
{
// Init session, randomization and filed array
buildsurveysession($this->iSurveyid);
randomizationGroupsAndQuestions($this->iSurveyid);
// Check surveyid coherence
if($this->iSurveyid != LimeExpressionManager::getLEMsurveyId())
LimeExpressionManager::SetDirtyFlag();
// Init $LEM states.
LimeExpressionManager::StartSurvey($this->iSurveyid, $this->sSurveyMode, $this->aSurveyOptions, false, $this->LEMdebugLevel);
$_SESSION[$this->LEMsessid]['step'] = 0;
// Welcome page.
if ($this->sSurveyMode == 'survey'){
LimeExpressionManager::JumpTo(1, false, false, true);
}elseif (isset($this->aSurveyInfo['showwelcome']) && $this->aSurveyInfo['showwelcome'] == 'N'){
$this->aMoveResult = LimeExpressionManager::NavigateForwards();
$_SESSION[$this->LEMsessid]['step'] = 1;
}
}elseif($this->iSurveyid != LimeExpressionManager::getLEMsurveyId()){
$this->initDirtyStep();
}
}
/**
* If a step is requested, but the survey id in the session is different from the requested one
* It reload the needed infos for the requested survey and jump to the requested step.
*/
private function initDirtyStep()
{
//$_SESSION[$this->LEMsessid]['step'] can not be less than 0, fix it always #09772
$_SESSION[$this->LEMsessid]['step'] = $_SESSION[$this->LEMsessid]['step']<0 ? 0 : $_SESSION[$this->LEMsessid]['step'];
LimeExpressionManager::StartSurvey($this->iSurveyid, $this->sSurveyMode, $this->aSurveyOptions, false, $this->LEMdebugLevel);
LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, false);
}
/**
* Seems to be a quick fix to avoid the total and max steps to be null...
*/
private function initTotalAndMaxSteps()
{
if (!isset($_SESSION[$this->LEMsessid]['totalsteps'])){
$_SESSION[$this->LEMsessid]['totalsteps'] = 0;
}
if (!isset($_SESSION[$this->LEMsessid]['maxstep'])){
$_SESSION[$this->LEMsessid]['maxstep'] = 0;
}
}
/**
* It checks if user used the browser navigation (prev, next, reload page etc)
* and feed te backpopup variable if needed
*
*/
private function checkIfUseBrowserNav()
{
// retrieve datas from local variable
if (isset($_SESSION[$this->LEMsessid]['LEMpostKey']) && App()->request->getPost('LEMpostKey',$_SESSION[$this->LEMsessid]['LEMpostKey']) != $_SESSION[$this->LEMsessid]['LEMpostKey']){
// then trying to resubmit (e.g. Next, Previous, Submit) from a cached copy of the page
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, false, true);// We JumpTo current step without saving: see bug #11404
if (isset($this->aMoveResult['seq']) && App()->request->getPost('thisstep',$this->aMoveResult['seq']) == $this->aMoveResult['seq']){
/* then pressing F5 or otherwise refreshing the current page, which is OK
* Seems OK only when movenext but not with move by index : same with $this->aMoveResult = LimeExpressionManager::GetLastMoveResult(true);
*/
$this->LEMskipReprocessing = true;
$this->move = "movenext"; // so will re-display the survey
}else{
// trying to use browser back buttons, which may be disallowed if no 'previous' button is present
$this->LEMskipReprocessing = true;
$this->move = "movenext"; // so will re-display the survey
$this->bInvalidLastPage = true;
$this->backpopup = gT("Please use the LimeSurvey navigation buttons or index. It appears you attempted to use the browser back button to re-submit a page."); // TODO: twig
}
}
}
/**
* Check quotas
*/
private function checkQuotas()
{
/* quota submitted */
if ( $this->sMove =='confirmquota'){
checkCompletedQuota($this->iSurveyid);
}
}
/**
* Check if the move is clearcancel or confirmquota
*/
private function checkClearCancel()
{
if ( $this->sMove=="clearcancel"){
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, false);
}
}
/**
* Set prev step in session depending on move type
* If not in a specific page, prevstep stock the value of step just before it get updated
*/
private function setPrevStep()
{
$_SESSION[$this->LEMsessid]['prevstep'] = (in_array($this->move,array("clearall","changelang","saveall","reload", null)) && !empty($this->move))?$this->move:$_SESSION[$this->LEMsessid]['step'];
}
/**
* Define prev step if not set in session.
*/
private function checkPrevStep()
{
if (!isset($_SESSION[$this->LEMsessid]['prevstep'])){
$_SESSION[$this->LEMsessid]['prevstep'] = $_SESSION[$this->LEMsessid]['step']-1; // this only happens on re-load
}
}
/**
* Set the moveResult variable, depending on the user move request
*/
private function setMoveResult()
{
// retrieve datas from local variable
if (isset($_SESSION[$this->LEMsessid]['LEMtokenResume'])){
LimeExpressionManager::StartSurvey($this->aSurveyInfo['sid'], $this->sSurveyMode, $this->aSurveyOptions, false, $this->LEMdebugLevel);
// Do it only if needed : we don't need it if we don't have index
if(isset($_SESSION[$this->LEMsessid]['maxstep']) && $_SESSION[$this->LEMsessid]['maxstep']>$_SESSION[$this->LEMsessid]['step'] && $this->aSurveyInfo['questionindex'] ){
LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['maxstep'], false, false);
}
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'],false,false); // if late in the survey, will re-validate contents, which may be overkill
unset($_SESSION[$this->LEMsessid]['LEMtokenResume']);
}else if (!$this->LEMskipReprocessing){
//Move current step ###########################################################################
if ($this->sMove == 'moveprev' && ($this->aSurveyInfo['allowprev'] == 'Y' || $this->aSurveyInfo['questionindex'] > 0)){
$this->aMoveResult = LimeExpressionManager::NavigateBackwards();
if ($this->aMoveResult['at_start']){
$_SESSION[$this->LEMsessid]['step'] = 0;
unset($this->aMoveResult); // so display welcome page again
}
}
if ( $this->sMove == "movenext"){
$this->aMoveResult = LimeExpressionManager::NavigateForwards();
}
if (($this->sMove == 'movesubmit')){
if ($this->sSurveyMode == 'survey'){
$this->aMoveResult = LimeExpressionManager::NavigateForwards();
}else{
// may be submitting from the navigation bar, in which case need to process all intervening questions
// in order to update equations and ensure there are no intervening relevant mandatory or relevant invalid questions
if($this->aSurveyInfo['questionindex']==2) // Must : save actual page , review whole before set finished to true (see #09906), index==1 seems to don't need it : (don't force move)
LimeExpressionManager::StartSurvey($this->iSurveyid, $this->sSurveyMode, $this->aSurveyOptions);
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['totalsteps'] + 1, false);
}
}
if ( $this->sMove=='clearall'){
$this->manageClearAll();
}
if ( $this->sMove=='changelang'){
// jump to current step using new language, processing POST values
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, true, true, true); // do process the POST data
}
if (isNumericInt($this->sMove) && $this->aSurveyInfo['questionindex'] == 1){
$this->sMove = (int) $this->sMove;
if ($this->sMove > 0 && (($this->sMove <= $_SESSION[$this->LEMsessid]['step']) || (isset($_SESSION[$this->LEMsessid]['maxstep']) && $this->sMove <= $_SESSION[$this->LEMsessid]['maxstep']))){
$this->aMoveResult = LimeExpressionManager::JumpTo($this->sMove, false);
}
}
elseif ( isNumericInt($this->sMove) && $this->aSurveyInfo['questionindex'] == 2){
$this->sMove = (int) $this->sMove;
$this->aMoveResult = LimeExpressionManager::JumpTo($this->sMove, false, true, true);
}
if ( ! $this->aMoveResult && !($this->sSurveyMode != 'survey' && $_SESSION[$this->LEMsessid]['step'] == 0)){
// Just in case not set via any other means, but don't do this if it is the welcome page
$this->aMoveResult = LimeExpressionManager::GetLastMoveResult(true);
$this->LEMskipReprocessing = true;
}
}
}
/**
* Test if the the moveresult is finished, to decide to set the new $this->sMove value
*/
private function checkIfFinished()
{
// Reload at first page (welcome after click previous fill an empty $this->aMoveResult array
if ( $this->aMoveResult && isset($this->aMoveResult['seq']) ){
// With complete index, we need to revalidate whole group bug #08806. It's actually the only mode where we JumpTo with force
// we already done if move == 'movesubmit', don't do it again
if($this->aMoveResult['finished'] == true && $this->sMove != 'movesubmit' && $this->thissurvey['questionindex']==2){
//LimeExpressionManager::JumpTo(-1, false, false, true);
LimeExpressionManager::StartSurvey($this->iSurveyid, $this->sSurveyMode, $this->aSurveyOptions);
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['totalsteps']+1, false, false, false);// no preview, no save data and NO force
if(!$this->aMoveResult['mandViolation'] && $this->aMoveResult['valid'] && empty($this->aMoveResult['invalidSQs'])){
$this->aMoveResult['finished'] = true;
}
}
if ($this->aMoveResult['finished'] == true){
$this->move = 'movesubmit';
}
if ($this->sMove == "movesubmit" && $this->aMoveResult['finished'] == false){
// then there are errors, so don't finalize the survey
$this->sMove = "movenext"; // so will re-display the survey
$this->bInvalidLastPage = true;
}
}
}
/**
* Increase step in session
*/
private function setStep()
{
if ( $this->aMoveResult && isset($this->aMoveResult['seq']) ){
if ($this->aMoveResult['finished'] != true){
$_SESSION[$this->LEMsessid]['step'] = $this->aMoveResult['seq'] + 1; // step is index base 1
$this->aStepInfo = LimeExpressionManager::GetStepIndexInfo($this->aMoveResult['seq']);
}
}
}
/**
* Display the first page if needed
*/
private function displayFirstPageIfNeeded()
{
// We do not keep the participant session anymore when the same browser is used to answer a second time a survey (let's think of a library PC for instance).
// Previously we used to keep the session and redirect the user to the
// submit page.
if ($this->sSurveyMode != 'survey' && $_SESSION[$this->LEMsessid]['step'] == 0){
$_SESSION[$this->LEMsessid]['test']=time();
display_first_page($this->thissurvey);
Yii::app()->end(); // So we can still see debug messages
}
}
/**
* Perform save all if user asked for it
*/
private function saveAllIfNeeded()
{
// TODO FIXME
// Don't test if save is allowed
if ($this->aSurveyInfo['active'] == "Y" && Yii::app()->request->getPost('saveall')){
$bTokenAnswerPersitance = $this->aSurveyInfo['tokenanswerspersistence'] == 'Y' && $this->iSurveyid!=null && tableExists('tokens_'.$this->iSurveyid);
// must do this here to process the POSTed values
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false); // by jumping to current step, saves data so far
if (!isset($_SESSION[$this->LEMsessid]['scid']) && !$bTokenAnswerPersitance ){
Yii::import("application.libraries.Save");
$cSave = new Save();
// $cSave->showsaveform($this->aSurveyInfo['sid']); // generates a form and exits, awaiting input
$this->aSurveyInfo['aSaveForm'] = $cSave->getSaveFormDatas($this->aSurveyInfo['sid']);
Yii::app()->twigRenderer->renderTemplateFromFile("layout_save.twig", array('aSurveyInfo'=>$this->aSurveyInfo), false);
}else{
// Intentional retest of all conditions to be true, to make sure we do have tokens and surveyid
// Now update lastpage to $_SESSION[$this->LEMsessid]['step'] in SurveyDynamic, otherwise we land on
// the previous page when we return.
$iResponseID = $_SESSION[$this->LEMsessid]['srid'];
$oResponse = SurveyDynamic::model($this->iSurveyid)->findByPk($iResponseID);
$oResponse->lastpage = $_SESSION[$this->LEMsessid]['step'];
$oResponse->save();
}
}
}
/**
* perform save submit if asked by user
* called from save survey
*/
private function saveSubmitIfNeeded()
{
if ($this->aSurveyInfo['active'] == "Y" && Yii::app()->request->getParam('savesubmit') ){
// The response from the save form
// CREATE SAVED CONTROL RECORD USING SAVE FORM INFORMATION
Yii::import("application.libraries.Save");
$cSave = new Save();
// Try to save survey
$aResult = $cSave->saveSurvey();
if (!$aResult['success']){
$aPopup = $this->popup = $aResult['aSaveErrors'];
}else{
$aPopup = $this->popup = array($aResult['message']);
}
Yii::app()->clientScript->registerScript('startPopup',"LSvar.startPopups=".json_encode($aPopup).";",CClientScript::POS_HEAD);
Yii::app()->clientScript->registerScript('showStartPopups',"showStartPopups();",CClientScript::POS_END);
// reshow the form if there is an error
if (!empty($aResult['aSaveErrors'])){
$this->aSurveyInfo['aSaveForm'] = $cSave->getSaveFormDatas($this->aSurveyInfo['sid']);
Yii::app()->twigRenderer->renderTemplateFromFile("layout_save.twig", array('aSurveyInfo'=>$this->aSurveyInfo), false);
}
$this->aMoveResult = LimeExpressionManager::GetLastMoveResult(true);
$this->LEMskipReprocessing = true;
}
}
/**
* check mandatory questions if necessary
* CHECK IF ALL CONDITIONAL MANDATORY QUESTIONS THAT APPLY HAVE BEEN ANSWERED
*/
private function setNotAnsweredAndNotValidated()
{
global $notanswered;
// TODO: check that line:
$this->notvalidated = $notanswered;
$this->notanswered = $notanswered;
if (!$this->aMoveResult['finished']){
$unansweredSQList = $this->aMoveResult['unansweredSQs']; // A list of the unanswered responses created via the global variable $notanswered. Should be $oResponse->unanswereds
if (strlen($unansweredSQList) > 0){
$this->notanswered =explode('|', $unansweredSQList);
}else{
$this->notanswered = array();
}
//CHECK INPUT
$invalidSQList = $this->aMoveResult['invalidSQs']; // Invalid answered, fed from $moveResult(LEM). Its logic should be in Response model.
if (strlen($invalidSQList) > 0){
$this->notvalidated = explode('|', $invalidSQList);
}else{
$this->notvalidated = array();
}
}
}
/**
* Perform submit if asked by user