/
SurveyRuntimeHelper.php
1891 lines (1645 loc) · 89.8 KB
/
SurveyRuntimeHelper.php
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<?php
/**
* 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
* @var array
*/
private $param = [];
/**
* @var boolean
*/
private $previewquestion = false;
/**
* @var boolean
*/
private $previewgrp = false;
/**
* @var boolean
*/
private $preview = false;
/**
* Template configuration object (set in model TemplateConfiguration)
* @var Template|null
*/
private $oTemplate = null;
/**
* Path of the layout files in template
* @var string|null
*/
private $sTemplateViewPath = null;
/**
* @var int|null
*/
private $LEMsessid = null;
/**
* customizable debugging for Lime ExpressionScript Engine ; LEM_DEBUG_TIMING;
* (LEM_DEBUG_TIMING + LEM_DEBUG_VALIDATION_SUMMARY + LEM_DEBUG_VALIDATION_DETAIL);
* @var int
*/
private $LEMdebugLevel = 0;
/**
* true if used GetLastMoveResult to avoid generation of unneeded extra JavaScript
* @var boolean
*/
private $LEMskipReprocessing = false;
/**
* 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.
* Array returned by common_helper::getSurveyInfo(); (survey row + language settings );
* @var array|null
*/
private $aSurveyInfo = null;
/**
* The survey id
* @var int|null
*/
private $iSurveyid = null;
/**
* 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)
* @var boolean
*/
private $bShowEmptyGroup = false;
/**
* Group By Group, All in one, Question by question
* @var string|null
*/
private $sSurveyMode = null;
/**
* 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)
* @var array|null
*/
private $aSurveyOptions = null;
/**
* @var string|null
*/
private $sLangCode = null;
/**
* Contains the result of LimeExpressionManager::JumpTo() OR
* LimeExpressionManager::NavigateBackwards() OR
* NavigateForwards::LimeExpressionManager(). TODO: create a function
* LimeExpressionManager::MoveTo that call the right method
* @var array|boolean
*/
private $aMoveResult = false;
/**
* The move requested by user. Set by frontend_helper::getMove() from
* the POST request.
* @var int|null
*/
private $sMove = null;
/**
* 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)
* @var boolean
*/
private $bInvalidLastPage = false;
/**
* @var array|null
*/
private $aStepInfo = null;
// 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 survey 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 int $surveyid
* @param array $args
* @return void
*/
public function run($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->checkForDataSecurityAccepted(); // must be called after initMove to allow LEM to be initialized
if (EmCacheHelper::useCache()) {
$this->aSurveyInfo['emcache'] = true;
}
$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()->loadHelper('qanda');
setNoAnswerMode($this->aSurveyInfo);
// set tmpVars with global field for all EM done after
LimeExpressionManager::updateReplacementFields(getStandardsReplacementFields($this->aSurveyInfo));
//Iterate through the questions about to be displayed:
$inputnames = array();
$vpopup = $fpopup = false;
$upload_file = null;
$qanda = array();
foreach ($_SESSION[$this->LEMsessid]['grouplist'] as $gl) {
$gid = $gl['gid'];
$qnumber = 0;
if ($this->sSurveyMode != 'survey') {
$onlyThisGID = $this->aStepInfo['gid'];
if ($onlyThisGID != $gid) {
continue;
}
}
$upload_file = false;
if (isset($_SESSION[$this->LEMsessid]['fieldarray'])) {
foreach ($_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] == $gid)) {
// In question by question mode, we only procceed current question
if ($this->sSurveyMode == 'question' && $ia[0] != $this->aStepInfo['qid']) {
continue;
}
// In group by group mode, we only procceed current group
if ($this->sSurveyMode == 'group' && $ia[5] != $this->aStepInfo['gid']) {
if (isset($_SESSION[$this->LEMsessid]['fieldmap-' . $this->iSurveyid . '-randMaster'])) {
// This is a randomized survey, don't continue.
} else {
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 && $this->aStepInfo['mandViolation'] && empty(App()->request->getPost('mandSoft'))) {
list($mandatorypopup, $this->popup) = mandatory_popup($ia, $this->notanswered);
}
//Display the "validation" popup if necessary
if ($okToShowErrors && !$this->aStepInfo['valid'] && empty(App()->request->getPost('mandSoft'))) {
list($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'];
$this->aSurveyInfo['progress']['total'] = isset($_SESSION[$this->LEMsessid]['totalsteps']) ? $_SESSION[$this->LEMsessid]['totalsteps'] : 1;
}
/* String used in vanilla/views/subviews/header/progress_bar.twig : for autotranslation */
$this->aSurveyInfo['progress']['string'] = gT('You have completed %s%% of this survey');
}
/**
* 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) {
$this->aSurveyInfo['aQuestionIndex']['items'] = LimeSurvey\Helpers\questionIndexHelper::getInstance()->getIndexItems();
if ($this->aSurveyInfo['questionindex'] > 1) {
$this->aSurveyInfo['aQuestionIndex']['type'] = 'full';
} else {
$this->aSurveyInfo['aQuestionIndex']['type'] = 'incremental';
}
}
if (isset($this->aSurveyInfo['aQuestionIndex']['items']) && 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);
App()->clientScript->registerScriptFile(App()->getConfig("generalscripts") . 'nojs.js', CClientScript::POS_BEGIN);
// 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);
$this->aSurveyInfo['mandSoft'] = array_key_exists('mandSoft', $this->aMoveResult) ? $this->aMoveResult['mandSoft'] : false;
$this->aSurveyInfo['mandNonSoft'] = array_key_exists('mandNonSoft', $this->aMoveResult) ? $this->aMoveResult['mandNonSoft'] : false;
$this->aSurveyInfo['mandViolation'] = $this->aStepInfo['mandViolation'] && $this->okToShowErrors;
$this->aSurveyInfo['showPopups'] = $this->oTemplate != null ? $this->oTemplate->showpopups : false;
$aErrorHtmlMessage = $this->getErrorHtmlMessage();
$this->aSurveyInfo['errorHtml']['show'] = !empty($aErrorHtmlMessage) && $this->oTemplate->showpopups == 0;
$this->aSurveyInfo['errorHtml']['hiddenClass'] = $this->oTemplate->showpopups == 1 ? "ls-js-hidden " : "";
$this->aSurveyInfo['errorHtml']['messages'] = $aErrorHtmlMessage;
$_gseq = -1;
foreach ($_SESSION[$this->LEMsessid]['grouplist'] as $gl) {
++$_gseq;
$gid = $gl['gid'];
LimeExpressionManager::updateReplacementFields(array(
'GID' => $gid,
));
$aGroup = array();
if ($this->sSurveyMode != 'survey') {
$onlyThisGID = $this->aStepInfo['gid'];
if ($onlyThisGID != $gid) {
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';
}
$aGroup['name'] = LimeExpressionManager::ProcessString($gl['group_name'], null, null, 3, 1);
LimeExpressionManager::updateReplacementFields(array(
'GROUPNAME' => $aGroup['name'],
));
$aGroup['gseq'] = $_gseq;
$showgroupinfo_global_ = getGlobalSetting('showgroupinfo');
$aSurveyinfo = getSurveyInfo($this->iSurveyid, App()->getLanguage());
// 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['showgroupinfo'] = $showgroupinfo_;
$aGroup['showdescription'] = (!$this->previewquestion && trim($gl['description']) != "" && $showgroupdesc_);
$aGroup['description'] = LimeExpressionManager::ProcessString($gl['description'], null, null, 3, 1);
// one entry per QID
foreach ($qanda as $qa) {
if ($gid == $qa[6] || ( isset($_SESSION[$this->LEMsessid]['fieldmap-' . $this->iSurveyid . '-randMaster']) && $this->sSurveyMode != 'survey' )) {
$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;
//===================================================================
$aStandardsReplacementFields = array();
$this->aSurveyInfo['surveyls_url'] = $this->processString($this->aSurveyInfo['surveyls_url']);
LimeExpressionManager::updateReplacementFields(array(
'QID' => $qid,
'SGQ' => $qa[7],
'QUESTION_CODE' => $qa[0]['code'], // Always ?
));
// easier to understand for survey maker
$aGroup['aQuestions'][$qid]['qid'] = $qa[4];
$aGroup['aQuestions'][$qid]['gid'] = $qinfo['info']['gid'];
$aGroup['aQuestions'][$qid]['code'] = $qa[5];
$aGroup['aQuestions'][$qid]['type'] = $qinfo['info']['type'];
$aGroup['aQuestions'][$qid]['number'] = $qa[0]['number'];
$aGroup['aQuestions'][$qid]['SGQ'] = $qa[7];
$aGroup['aQuestions'][$qid]['text'] = LimeExpressionManager::ProcessString($qa[0]['text'], $qa[4], $aStandardsReplacementFields, 3, 1, false, true, false);
$aGroup['aQuestions'][$qid]['mandatory'] = $qa[0]['mandatory'];
$aGroup['aQuestions'][$qid]['class'] = $this->getCurrentQuestionClasses($qid);
$aGroup['aQuestions'][$qid]['input_error_class'] = $qa[0]['input_error_class'];
$aGroup['aQuestions'][$qid]['valid_message'] = LimeExpressionManager::ProcessString($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, 3, 1, false, true, false);
$aGroup['aQuestions'][$qid] = $this->doBeforeQuestionRenderEvent($aGroup['aQuestions'][$qid]);
LimeExpressionManager::updateReplacementFields(array(
'QID' => null,
'SGQ' => null,
'QUESTION_CODE' => null,
));
}
$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::updateReplacementFields(array(
'GID' => null,
'GROUPNAME' => null,
));
}
/**
* ExpressionScript Engine Scrips and inputs
*/
$step = isset($_SESSION[$this->LEMsessid]['step']) ? $_SESSION[$this->LEMsessid]['step'] : '';
$this->aSurveyInfo['EM']['ScriptsAndHiddenInputs'] = "<!-- emScriptsAndHiddenInputs -->";
/**
* 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'] = \CHtml::hiddenField('thisstep', $_SESSION[$this->LEMsessid]['step'], array('id' => 'thisstep'));
$this->aSurveyInfo['hiddenInputs'] .= \CHtml::hiddenField('sid', $this->iSurveyid, array('id' => 'sid'));
$this->aSurveyInfo['hiddenInputs'] .= \CHtml::hiddenField('start_time', time(), array('id' => 'start_time'));
$_SESSION[$this->LEMsessid]['LEMpostKey'] = isset($_POST['LEMpostKeyPreset']) ? $_POST['LEMpostKeyPreset'] : mt_rand();
$this->aSurveyInfo['hiddenInputs'] .= \CHtml::hiddenField('LEMpostKey', $_SESSION[$this->LEMsessid]['LEMpostKey'], array('id' => 'LEMpostKey'));
/* Reset session with multiple tabs (show Token mismatch issue) , but only for not anonymous survey */
if (!empty($_SESSION[$this->LEMsessid]['token']) and $this->aSurveyInfo['anonymized'] != 'Y') {
$this->aSurveyInfo['hiddenInputs'] .= \CHtml::hiddenField('token', $_SESSION[$this->LEMsessid]['token'], array('id' => 'token'));
}
}
// 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'];
}
$this->aSurveyInfo['include_content'] = 'main';
Yii::app()->twigRenderer->renderTemplateFromFile("layout_global.twig", array(
'oSurvey' => Survey::model()->findByPk($this->iSurveyid),
'aSurveyInfo' => $this->aSurveyInfo,
'step' => $step,
'LEMskipReprocessing' => $this->LEMskipReprocessing,
), false);
}
/**
* @return array<string, boolean>
*/
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
}
$aShow = [];
switch ($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->sMove != 'clearcancel' && $this->sMove != '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, $this->sMove);
//SEE IF THIS GROUP SHOULD DISPLAY
if ($_SESSION[$this->LEMsessid]['step'] == 0) {
$this->bShowEmptyGroup = true;
}
}
}
/**
* Now it's ok ^^
*/
private function setArgs()
{
if ($this->sMove == "movesubmit") {
$aSurveyInfo = getSurveyInfo($this->iSurveyid, App()->getLanguage());
$this->aSurveyInfo = $aSurveyInfo;
if ($this->aSurveyInfo['refurl'] == "Y") {
//Only add this if it doesn't already exist
if ($this->LEMsessid && !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(), $redata, 'URLReplace', false, null, array(), true); // to do INSERTANS substitutions
}
}
/**
* Retreive the survey format (mode?)
* TODO: move to survey model
*
* @return string
*/
private function setSurveyMode()
{
switch ($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' => ($this->aSurveyInfo['savetimings'] == "Y"),
'surveyls_dateformat' => isset($this->aSurveyInfo['surveyls_dateformat']) ? $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);
$fieldmap = randomizationGroupsAndQuestions($this->iSurveyid);
initFieldArray($this->iSurveyid, $fieldmap);
// Check surveyid coherence
if ($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, $this->LEMdebugLevel);
if (isset($_SESSION[$this->LEMsessid]['LEMtokenResume'])) {
/* Move to max step in all condition with force */
if (isset($_SESSION[$this->LEMsessid]['maxstep']) && $_SESSION[$this->LEMsessid]['maxstep'] > $_SESSION[$this->LEMsessid]['step']) {
LimeExpressionManager::SetRelevanceTo($_SESSION[$this->LEMsessid]['maxstep']);
LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['maxstep'], false, false);
} else {
LimeExpressionManager::SetRelevanceTo($_SESSION[$this->LEMsessid]['step']);
}
unset($_SESSION[$this->LEMsessid]['LEMtokenResume']);
}
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->sMove = "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->sMove = "movenext"; // so will re-display the survey
$this->bInvalidLastPage = true;
$this->backpopup = gT("Please use the survey navigation buttons or index. It appears you attempted to use the browser back button to re-submit a page."); // TODO: twig
}
}
}
/**
* Check quotas
*/
private function checkQuotas()
{
/* quota submitted */
if ($this->sMove == 'confirmquota') {
checkCompletedQuota($this->iSurveyid);
}
/* quota submitted */
if ($this->sMove == 'returnfromquota') {
LimeExpressionManager::JumpTo($this->param['thisstep']);
}
}
/**
* Check if the move is clearcancel or confirmquota
*/
private function checkClearCancel()
{
if ($this->sMove == "clearcancel") {
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, false);
}
}
/**
* Set prev step in session depending on move type
* If not in a specific page, prevstep stock the value of step just before it get updated
*/
private function setPrevStep()
{
if (isset($this->sMove)) {
if (!in_array($this->sMove, array("clearall", "changelang", "saveall", "reload"))) {
$_SESSION[$this->LEMsessid]['prevstep'] = $_SESSION[$this->LEMsessid]['step'];
} else {
// Accepted $move without error
$_SESSION[$this->LEMsessid]['prevstep'] = $this->sMove;
}
} else {
// $_SESSION[$this->LEMsessid]['prevstep'] = $_SESSION[$LEMsessid]['step']-1; // Is this needed ?
}
if (!isset($_SESSION[$this->LEMsessid]['prevstep'])) {
$_SESSION[$this->LEMsessid]['prevstep'] = $_SESSION[$this->LEMsessid]['prevstep'] - 1; // this only happens on re-load
}
}
/**
* 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, $this->LEMdebugLevel);
/* Move to max step in all condition with force */
if (isset($_SESSION[$this->LEMsessid]['maxstep']) && $_SESSION[$this->LEMsessid]['maxstep'] > $_SESSION[$this->LEMsessid]['step']) {
LimeExpressionManager::SetRelevanceTo($_SESSION[$this->LEMsessid]['maxstep']);
LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['maxstep'], false, false);
} else {
LimeExpressionManager::SetRelevanceTo($_SESSION[$this->LEMsessid]['step']);
}
$this->aMoveResult = LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, false); // if late in the survey, will re-validate contents, which may be overkill
unset($_SESSION[$this->LEMsessid]['LEMtokenResume']);
} elseif (!$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;
$this->aMoveResult = false; // so display welcome page again
}
}
if ($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) {
// Save actual page ,
LimeExpressionManager::JumpTo($_SESSION[$this->LEMsessid]['step'], false, true, true);
// Review whole before set finished to true (see #09906), index==1 don't need it because never force move
LimeExpressionManager::JumpTo(0, false, false, true); // no preview, no post and force
}
$this->aMoveResult = LimeExpressionManager::JumpTo($_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
/* GetLastMoveResult reset substitutionNum in EM core if param is true, this break in all in one mode (see #13725) */
/* Then don't reset substitutionNum since seems some LimeExpressionManager::ProcessString already happen*/
$this->aMoveResult = LimeExpressionManager::GetLastMoveResult(false);
$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