/
frontend_helper.php
2603 lines (2353 loc) · 107 KB
/
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.
*/
function loadanswers()
{
global $surveyid;
global $thissurvey, $thisstep;
global $clienttoken;
$clang = Yii::app()->lang;
$scid=returnGlobal('scid');
if (isset($_POST['loadall']) && $_POST['loadall'] == "reload")
{
$query = "SELECT * FROM {{saved_control}} INNER JOIN {$thissurvey['tablename']}
ON {{saved_control}}.srid = {$thissurvey['tablename']}.id
WHERE {{saved_control}}.sid=$surveyid\n";
if (isset($scid)) //Would only come from email
{
$query .= "AND {{saved_control}}.scid={$scid}\n";
}
$query .="AND {{saved_control}}.identifier = '".autoEscape($_SESSION['survey_'.$surveyid]['holdname'])."' ";
if (in_array(Yii::app()->db->getDriverName(), array('mssql', 'sqlsrv')))
{
$query .="AND CAST({{saved_control}}.access_code as varchar(32))= '".md5(autoUnescape($_SESSION['survey_'.$surveyid]['holdpass']))."'\n";
}
else
{
$query .="AND {{saved_control}}.access_code = '".md5(autoUnescape($_SESSION['survey_'.$surveyid]['holdpass']))."'\n";
}
}
elseif (isset($_SESSION['survey_'.$surveyid]['srid']))
{
$query = "SELECT * FROM {$thissurvey['tablename']}
WHERE {$thissurvey['tablename']}.id=".$_SESSION['survey_'.$surveyid]['srid']."\n";
}
else
{
return;
}
$result = dbExecuteAssoc($query) or safeDie ("Error loading results<br />$query<br />"); //Checked
if ($result->count() < 1)
{
safeDie($clang->gT("There is no matching saved survey")."<br />\n");
}
else
{
//A match has been found. Let's load the values!
//If this is from an email, build surveysession first
$_SESSION['LEMtokenResume']=true;
$row=$result->read();
foreach ($row as $column => $value)
{
if ($column == "token")
{
$clienttoken=$value;
$token=$value;
}
elseif ($column == "saved_thisstep" && $thissurvey['alloweditaftercompletion'] != 'Y' )
{
$_SESSION['survey_'.$surveyid]['step']=$value;
$thisstep=$value-1;
}
elseif ($column =='lastpage' && isset($_GET['token']) && $thissurvey['alloweditaftercompletion'] != 'Y' )
{
if ($value<1) $value=1;
$_SESSION['survey_'.$surveyid]['step']=$value;
$thisstep=$value-1;
}
/*
Commented this part out because otherwise startlanguage would overwrite any other language during a running survey.
We will need a new field named 'endlanguage' to save the current language (for example for returning participants)
/the language the survey was completed in.
elseif ($column =='startlanguage')
{
$clang = SetSurveyLanguage( $surveyid, $value);
UpdateSessionGroupList($value); // to refresh the language strings in the group list session variable
UpdateFieldArray(); // to refresh question titles and question text
}*/
elseif ($column == "scid")
{
$_SESSION['survey_'.$surveyid]['scid']=$value;
}
elseif ($column == "srid")
{
$_SESSION['survey_'.$surveyid]['srid']=$value;
}
elseif ($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']))
{
$q = $_SESSION['survey_'.$surveyid]['fieldmap'][$column];
$_SESSION['survey_'.$surveyid][$column] = $q->loadAnswer($value);
} // if (in_array(
} // else
} // foreach
}
return true;
}
function makegraph($currentstep, $total)
{
global $thissurvey;
$clang = Yii::app()->lang;
header_includes('lime-progress.css','css');
$size = intval(($currentstep-1)/$total*100);
$graph = '<script type="text/javascript">
$(document).ready(function() {
$("#progressbar").progressbar({
value: '.$size.'
});
;});';
if (getLanguageRTL($clang->langcode))
{
$graph.='
$(document).ready(function() {
$("div.ui-progressbar-value").removeClass("ui-corner-left");
$("div.ui-progressbar-value").addClass("ui-corner-right");
});';
}
$graph.='
</script>
<div id="progress-wrapper">
<span class="hide">'.sprintf($clang->gT('You have completed %s%% of this survey'),$size).'</span>
<div id="progress-pre">';
if (getLanguageRTL($clang->langcode))
{
$graph.='100%';
}
else
{
$graph.='0%';
}
$graph.='</div>
<div id="progressbar"></div>
<div id="progress-post">';
if (getLanguageRTL($clang->langcode))
{
$graph.='0%';
}
else
{
$graph.='100%';
}
$graph.='</div>
</div>';
if ($size == 0) // Progress bar looks dumb if 0
{
$graph.='
<script type="text/javascript">
$(document).ready(function() {
$("div.ui-progressbar-value").hide();
});
</script>';
}
return $graph;
}
/**
* This function creates the language selector for a particular survey
*
* @param mixed $sSelectedLanguage The language in which all information is shown
*/
function makeLanguageChangerSurvey($sSelectedLanguage)
{
$surveyid = Yii::app()->getConfig('surveyID');
Yii::app()->loadHelper("surveytranslator");
$slangs = Survey::model()->findByPk($surveyid)->getAdditionalLanguages();
$slangs[]= GetBaseLanguageFromSurveyID($surveyid);
$aAllLanguages=getLanguageData();
$slangs=array_keys(array_intersect_key($aAllLanguages,array_flip($slangs))); // Sort languages by their locale name
if (count($slangs)>1) // return a dropdow only of there are more than one lanagage
{
$previewgrp = false;
if (isset($_REQUEST['action'])&& $_REQUEST['action']=='previewgroup')
{
$previewgrp = true;
}
$sHTMLCode = "<select id='languagechanger' name='languagechanger' class='languagechanger' onchange='javascript:window.location=this.value'>\n";
$sAddToURL = "";
$sTargetURL = Yii::app()->getController()->createUrl("/survey/index");
if ($previewgrp){
$sAddToURL = "&action=previewgroup&gid={$_REQUEST['gid']}";
}
foreach ($slangs as $sLanguage)
{
$sHTMLCode .= "<option value=\"{$sTargetURL}?sid=". $surveyid ."&lang=". $sLanguage ."{$sAddToURL}\" ";
if ($sLanguage==$sSelectedLanguage)
{
$sHTMLCode .=" selected='selected'";
}
$sHTMLCode .= ">".$aAllLanguages[$sLanguage]['nativedescription']."</option>\n";
}
$sHTMLCode .= "</select>\n";
return $sHTMLCode;
}
else
{
return false;
}
}
/**
* This function creates the language selector for the public survey index page
*
* @param mixed $sSelectedLanguage The language in which all information is shown
*/
function makeLanguageChanger($sSelectedLanguage)
{
if(count(getLanguageDataRestricted())>1)
{
$sHTMLCode = "<select id='languagechanger' name='languagechanger' class='languagechanger' onchange='javascript:window.location=this.value'>\n";
foreach(getLanguageDataRestricted(true, $sSelectedLanguage) as $sLanguageID=>$aLanguageProperties)
{
$sHTMLCode .= "<option value='".Yii::app()->getController()->createUrl("/survey/index")."?lang=".$sLanguageID."' ";
if($sLanguageID == $sSelectedLanguage)
{
$sHTMLCode .= " selected='selected' ";
$sHTMLCode .= ">{$aLanguageProperties['nativedescription']}</option>\n";
}
else
{
$sHTMLCode .= ">".$aLanguageProperties['nativedescription'].' - '.$aLanguageProperties['description']."</option>\n";
}
}
$sHTMLCode .= "</select>\n";
return $sHTMLCode;
}
else
{
return false;
}
}
// TMSW Conditions->Relevance: this function is not needed. Use EM to NULL fields that are irrelevant
function checkconfield($value)
{
global $surveyid,$thissurvey,$qattributes;
$fieldisdisplayed=true;
if (!is_array($thissurvey))
{
$local_thissurvey=getSurveyInfo($surveyid);
}
else
{
$local_thissurvey=$thissurvey;
}
// we know the true fieldname $value (for instance SGQA for each checkboxes)
// and we want to compare it to the values stored in $_SESSION['fieldarray'] which are simple fieldnames
// ==> We first translate $value to the simple fieldname (let's call it the masterFieldName) from
// the $_SESSION['survey_X']['fieldnamesInfo'] translation table
if (isset($_SESSION['survey_'.$surveyid]['fieldnamesInfo'][$value]))
{
$masterFieldName = $_SESSION['survey_'.$surveyid]['fieldnamesInfo'][$value];
}
else
{ // for token refurl, ipaddr...
$masterFieldName = 'token';
}
$value_question = false;
//$value is the fieldname for the field we are checking for conditions
foreach ($_SESSION['survey_'.$surveyid]['questions'] as $q) //Go through each field
{
// record the qid and question type for future use
if ($q->fieldname == $masterFieldName)
{
$value_question = $q;
break;
}
}
// check if this question is conditionnal ($sfa[7]): if yes eval conditions
if ($value_question->conditionsexist == "Y" && isset($_SESSION['survey_'.$surveyid][$value]) ) //Do this if there is a condition based on this answer
{
$scenarioquery = "SELECT DISTINCT scenario FROM {{conditions}}"
." WHERE {{conditions}}.qid=$sfa[0] ORDER BY scenario";
$scenarioresult=dbExecuteAssoc($scenarioquery);
$matchfound=0;
//$scenario=1;
//while ($scenario > 0)
$evalNextScenario = true;
foreach($scenarioresult->readAll() as $scenariorow)
{
if($evalNextScenario !== true)
break;
$aAllCondrows=Array();
$cqval=Array();
$container=Array();
$scenario = $scenariorow['scenario'];
$currentcfield="";
$query = "SELECT {{conditions}}.*, {{question_types}}.clas "
. "FROM {{conditions}}, {{questions}} "
. "WHERE {{conditions}}.cqid={{questions}}.qid "
. "AND {{questions}}.tid={{question_types}}.tid "
. "AND {{conditions}}.qid=$value_question->id "
. "AND {{conditions}}.scenario=$scenario "
. "AND {{conditions}}.cfieldname NOT LIKE '{%' "
. "ORDER BY {{conditions}}.qid,{{conditions}}.cfieldname";
$result=dbExecuteAssoc($query) or safeDie($query."<br />"); //Checked
$conditionsfound = $result->count();
$querytoken = "SELECT {{conditions}}.*, 'Display' as class "
. "FROM {{conditions}} "
. "WHERE "
. " {{conditions}}.qid=$value_question->id "
. "AND {{conditions}}.scenario=$scenario "
. "AND {{conditions}}.cfieldname LIKE '{%' "
. "ORDER BY {{conditions}}.qid,{{conditions}}.cfieldname";
$resulttoken=dbExecuteAssoc($querytoken) or safeDie($querytoken."<br />"); //Checked
$conditionsfoundtoken = $resulttoken->count();
$conditionsfound = $conditionsfound + $conditionsfoundtoken;
foreach($resulttoken->readAll() as $Condrow)
{
$aAllCondrows[] = $Condrow;
}
foreach($result->readAll() as $Condrow)
{
$aAllCondrows[] = $Condrow;
}
foreach ($aAllCondrows as $rows)
{
$q = createQuestion($rows['class']);
$val = $q->prepareConditions();
$cqval[]=$val;
if ($val['cfieldname'] != $currentcfield)
{
$container[]=$val['cfieldname'];
}
$currentcfield=$val['cfieldname'];
}
if ($conditionsfound > 0)
{
//At least one match must be found for each "$container"
$total=0;
foreach($container as $con)
{
$conditionCanBeEvaluated=true;
$addon=0;
foreach($cqval as $cqv)
{//Go through each condition
// Replace @SGQA@ condition values
// By corresponding value
if (preg_match('/^@([0-9]+X[0-9]+X[^@]+)@/',$cqv["matchvalue"], $targetconditionfieldname))
{
if (isset($_SESSION['survey_'.$surveyid][$targetconditionfieldname[1]]))
{
$cqv["matchvalue"] = $_SESSION['survey_'.$surveyid][$targetconditionfieldname[1]];
}
else
{
$conditionCanBeEvaluated=false;
}
}
// Replace {TOKEN:XXX} condition values
// By corresponding value
if ($local_thissurvey['anonymized'] == 'N' &&
preg_match('/^{TOKEN:([^}]*)}$/',$cqv["matchvalue"], $targetconditiontokenattr))
{
if (isset($_SESSION['survey_'.$surveyid]['token']) && in_array(strtolower($targetconditiontokenattr[1]),getTokenConditionsFieldNames($surveyid)))
{
$cqv["matchvalue"] = getAttributeValue($surveyid,strtolower($targetconditiontokenattr[1]),$_SESSION['survey_'.$surveyid]['token']);
}
else
{
$conditionCanBeEvaluated=false;
}
}
// Use == as default operator
if (trim($cqv['matchmethod'])=='')
{
$cqv['matchmethod']='==';
}
if($cqv['cfieldname'] == $con && $conditionCanBeEvaluated === true)
{
if (!preg_match("/^{/",$cqv['cfieldname']))
{
if (isset($_SESSION['survey_'.$surveyid][$cqv['matchfield']]))
{
$comparisonLeftOperand = $_SESSION['survey_'.$surveyid][$cqv['matchfield']];
}
else
{
$comparisonLeftOperand = null;
}
}
elseif ($local_thissurvey['anonymized'] == "N" && preg_match('/^{TOKEN:([^}]*)}$/',$cqv['cfieldname'],$sourceconditiontokenattr))
{
if ( isset($_SESSION['survey_'.$surveyid]['token']) &&
in_array(strtolower($sourceconditiontokenattr[1]),getTokenConditionsFieldNames($surveyid)))
{
$comparisonLeftOperand = getAttributeValue($surveyid,strtolower($sourceconditiontokenattr[1]),$_SESSION['survey_'.$surveyid]['token']);
}
else
{
$comparisonLeftOperand = null;
}
}
else
{
$comparisonLeftOperand = null;
}
if ($cqv['matchmethod'] != "RX")
{
if (preg_match("/^a(.*)b$/",$cqv['matchmethod'],$matchmethods))
{
// strings comparizon operator in PHP are the same as numerical operators
$matchOperator = $matchmethods[1];
}
else
{
$matchOperator = $cqv['matchmethod'];
}
if (isset($comparisonLeftOperand) && !is_null($comparisonLeftOperand) && eval('if (trim($comparisonLeftOperand) '.$matchOperator.' trim($cqv["matchvalue"]) ) {return true;} else {return false;}'))
{//plug successful matches into appropriate container
$addon=1;
}
}
elseif ( isset($comparisonLeftOperand) && !is_null($comparisonLeftOperand) && preg_match('/'.$cqv["matchvalue"].'/',$comparisonLeftOperand))
{
$addon=1;
}
}
}
if($addon==1)
{
$total++;
}
}
if($total==count($container))
{
$matchfound=1;
$evalNextScenario=false; // Don't look for other scenario's.
}
unset($cqval);
unset($container);
} else
{
//Curious there is no condition for this question in this scenario
// this is not a normal behaviour, but I propose to defaults to a
// condition-matched state in this case
$matchfound=1;
$evalNextScenario=false;
}
} // while ($scenario)
if($matchfound==0)
{
//If this is not a "moveprev" then
// Reset the value in SESSION
//if(isset($move) && $move != "moveprev")
//{
$_SESSION['survey_'.$surveyid][$value]="";
$fieldisdisplayed=false;
//}
}
}
if ($value_question->id != 0)
{ // not token masterFieldname
$value_qa=$value_question->getAttributeValues();
}
if ($fieldisdisplayed === true && isset($value_qa) && (
(isset($value_qa['array_filter']) && trim($value_qa['array_filter']) != '') ||
(isset($value_qa['array_filter_exclude']) && trim($value_qa['array_filter_exclude']) != '') ))
{ // check if array_filter//array_filter_exclude have hidden the field
$value_code = preg_replace("/$masterFieldName(.*)/","$1",$value);
//If this question is a multi-flexible, the value_code will be both the array_filter value
// (at the beginning) and then a labelset value after an underscore
// ie: 2_1 for answer code=2 and labelset code=1 then 2_2 for answer_code=2 and
// labelset code=2. So for these question types we need to split it again at the underscore!
// 1. Find out if this is question type ":" or ";"
$properties = $value_question->questionProperties();
if($properties['subquestions'] == 2)
{
list($value_code, $value_label)=explode("_", $value_code);
}
if (isset($value_qa['array_filter_exclude']))
{
$arrayfilterXcludes_selected_codes = getArrayFilterExcludesForQuestion($value_question->id);
if ( $arrayfilterXcludes_selected_codes !== false &&
in_array($value_code,$arrayfilterXcludes_selected_codes))
{
$fieldisdisplayed=false;
}
}
elseif (isset($value_qa['array_filter']))
{
$arrayfilter_selected_codes = getArrayFiltersForQuestion($value_question->id);
if ( $arrayfilter_selected_codes !== false &&
!in_array($value_code,$arrayfilter_selected_codes))
{
$fieldisdisplayed=false;
}
}
}
return $fieldisdisplayed;
}
// TMSW Conditions->Relevance: Not needed - use EM to check mandatories
function checkmandatorys($move, $backok=null)
{
global $thisstep;
if ((isset($_POST['mandatory']) && $_POST['mandatory']) && (!isset($backok) || $backok != "Y"))
{
$chkmands=explode("|", $_POST['mandatory']); //These are the mandatory questions to check
$mfns=explode("|", $_POST['mandatoryfn']); //These are the fieldnames of the mandatory questions
$mi=0;
foreach ($chkmands as $cm)
{
if (!isset($multiname) || (isset($multiname) && $multiname != "MULTI$mfns[$mi]")) //no multiple type mandatory set, or does not match this question (set later on for first time)
{
if ((isset($multiname) && $multiname) && (isset($_POST[$multiname]) && $_POST[$multiname])) //This isn't the first time (multiname exists, and is a posted variable)
{
if ($$multiname == $$multiname2 && isset($visibleanswers) && $visibleanswers > 0) //The number of questions not answered is equal to the number of questions
{
//The number of questions not answered is equal to the number of questions
//This section gets used if it is a multiple choice type question
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname=0;
$$multiname2=0;
}
}
$multiname="MULTI$mfns[$mi]";
$multiname2=$multiname."2"; //Make a copy, to store a second version
$$multiname=0;
$$multiname2=0;
}
else
{
$multiname="MULTI$mfns[$mi]";
}
$dtcm = "tbdisp$cm";
if (isset($_SESSION['survey_'.$surveyid][$cm]) && ($_SESSION['survey_'.$surveyid][$cm] == "0" || $_SESSION['survey_'.$surveyid][$cm]))
{
}
elseif ((!isset($_POST[$multiname]) || !$_POST[$multiname]) && (!isset($_POST[$dtcm]) || $_POST[$dtcm] == "on"))
{
//One of the mandatory questions hasn't been asnwered
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
$notanswered[]=$mfns[$mi];
}
else
{
//One of the mandatory questions hasn't been answered
$$multiname++;
}
/* We need to have some variable to use later that indicates whether any of the
multiple option answers were actually displayed (since it's impossible to
answer them if they aren't). The $visibleanswers field is created here to
record how many of the answers were actually available to be answered */
if(!isset($visibleanswers) && (isset($_POST[$dtcm]) && $_POST[$dtcm] == "off" || isset($_POST[$dtcm])))
{
$visibleanswers=0;
}
if(isset($_POST[$dtcm]) && $_POST[$dtcm] == "on")
{
$visibleanswers++;
}
$$multiname2++;
$mi++;
}
if ($multiname && isset($_POST[$multiname]) && $_POST[$multiname]) // Catch the last Multiple choice question in the lot
{
if ($$multiname == $$multiname2 && isset($visibleanswers) && $visibleanswers > 0) //so far all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
if (isset($move) && $move == "moveprev")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
if (isset($move) && $move == "movenext")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname="";
$$multiname2="";
}
}
}
if (!isset($notanswered))
{
return false;
}//$notanswered=null;}
return $notanswered;
}
// TMSW Conditions->Relevance: Not needed - use EM to check mandatories
function checkconditionalmandatorys($move, $backok=null)
{
global $thisstep;
// TODO - also check whether relevance set?
if ((isset($_POST['conmandatory']) && $_POST['conmandatory']) && (!isset($backok) || $backok != "Y")) //Mandatory conditional questions that should only be checked if the conditions for displaying that question are met
{
$chkcmands=explode("|", $_POST['conmandatory']);
$cmfns=explode("|", $_POST['conmandatoryfn']);
$mi=0;
foreach ($chkcmands as $ccm)
{
if (!isset($multiname) || $multiname != "MULTI$cmfns[$mi]") //the last multipleanswerchecked is different to this one
{
if (isset($multiname) && $multiname && isset($_POST[$multiname]) && $_POST[$multiname])
{
if ($$multiname == $$multiname2) //For this lot all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
$notanswered[]=substr($multiname, 5, strlen($multiname));
$$multiname=0;
$$multiname2=0;
}
}
$multiname="MULTI$cmfns[$mi]";
$multiname2=$multiname."2"; //POSSIBLE CORRUPTION OF PROCESS - CHECK LATER
$$multiname=0;
$$multiname2=0;
}
else
{
$multiname="MULTI$cmfns[$mi]";
}
$dccm="display$cmfns[$mi]";
$dtccm = "tbdisp$ccm";
if (isset($_SESSION['survey_'.$surveyid][$ccm]) && ($_SESSION['survey_'.$surveyid][$ccm] == "0" || $_SESSION['survey_'.$surveyid][$ccm]) && isset($_POST[$dccm]) && $_POST[$dccm] == "on") //There is an answer
{
//The question has an answer, and the answer was displaying
}
elseif ((isset($_POST[$dccm]) && $_POST[$dccm] == "on") && (!isset($_POST[$multiname]) || !$_POST[$multiname]) && (!isset($_POST[$dtccm]) || $_POST[$dtccm] == "on")) // Question and Answers is on, there is no answer, but it's a multiple
{
if (isset($move) && $move == "moveprev")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
if (isset($move) && $move == "movenext")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
$notanswered[]=$cmfns[$mi];
}
elseif (isset($_POST[$dccm]) && $_POST[$dccm] == "on")
{
//One of the conditional mandatory questions was on, but hasn't been answered
$$multiname++;
}
$$multiname2++;
$mi++;
}
if (isset($multiname) && $multiname && isset($_POST[$multiname]) && $_POST[$multiname])
{
if ($$multiname == $$multiname2) //so far all multiple choice options are unanswered
{
//The number of questions not answered is equal to the number of questions
if (isset($move) && $move == "moveprev")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
if (isset($move) && $move == "movenext")
{
$_SESSION['survey_'.$surveyid]['step'] = $thisstep;
}
$notanswered[]=substr($multiname, 5, strlen($multiname));
}
}
}
if (!isset($notanswered))
{
return false;
}//$notanswered=null;}
return $notanswered;
}
function checkUploadedFileValidity($surveyid, $move, $backok=null)
{
global $thisstep;
$clang = Yii::app()->lang;
if (!isset($backok) || $backok != "Y")
{
$fieldmap = createFieldMap($surveyid,false,false,$_SESSION['survey_'.$surveyid]['s_lang']);
if (isset($_POST['fieldnames']) && $_POST['fieldnames']!="")
{
$fields = explode("|", $_POST['fieldnames']);
foreach ($fields as $field)
{
$q = $fieldmap[$field];
if ($q->fileUpload() && !strrpos($q->fieldname, "_filecount"))
{
$validation= $q->getAttributeValues();
$filecount = 0;
$json = $_POST[$field];
// if name is blank, its basic, hence check
// else, its ajax, don't check, bypass it.
if ($json != "" && $json != "[]")
{
$phparray = json_decode(stripslashes($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_".$i] = sprintf($clang->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_".$i] .= sprintf($clang->gT("Sorry, only %s extensions are allowed!"),$validation['allowed_filetypes']);
unset($append);
}
else
{
$filenotvalidated = array();
$filenotvalidated[$field."_file_".$i] .= sprintf($clang->gT("Sorry, only %s extensions are allowed!"),$validation['allowed_filetypes']);
}
}
}
}
}
else
$filecount = 0;
if (isset($validation['min_num_of_files']) && $filecount < $validation['min_num_of_files'] && LimeExpressionManager::QuestionIsRelevant($q->id))
{
$filenotvalidated = array();
$filenotvalidated[$field] = $clang->gT("The minimum number of files has not been uploaded.");
}
}
}
}
if (isset($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 $filenotvalidated;
}
function addtoarray_single($array1, $array2)
{
//Takes two single element arrays and adds second to end of first if value exists
if (is_array($array2))
{
foreach ($array2 as $ar)
{
if ($ar && $ar !== null)
{
$array1[]=$ar;
}
}
}
return $array1;
}
function remove_nulls_from_array($array)
{
foreach ($array as $ar)
{
if ($ar !== null)
{
$return[]=$ar;
}
}
if (isset($return))
{
return $return;
}
else
{
return false;
}
}
/**
* 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 mixed $quotaexit
*/
function submittokens($quotaexit=false)
{
global $thissurvey;
global $surveyid;
global $clienttoken;
$clang = Yii::app()->lang;
$sitename = Yii::app()->getConfig("sitename");
$emailcharset = Yii::app()->getConfig("emailcharset");
// 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
$usesquery = "SELECT usesleft, participant_id, tid FROM {{tokens_$surveyid}} WHERE token='".$clienttoken."'";
$usesresult = dbExecuteAssoc($usesquery);
$usesrow = $usesresult->read();
if (isset($usesrow)) {
$usesleft = $usesrow['usesleft'];
$participant_id=$usesrow['participant_id'];
$token_id=$usesrow['tid'];
}
$utquery = "UPDATE {{tokens_$surveyid}}\n";
if ($quotaexit==true)
{
$utquery .= "SET completed='Q', usesleft=usesleft-1\n";
}
elseif (isTokenCompletedDatestamped($thissurvey))
{
if (isset($usesleft) && $usesleft<=1)
{
$utquery .= "SET usesleft=usesleft-1, completed='$today'\n";
if(!empty($participant_id))
{
//Update the survey_links table if necessary
$slquery = Survey_links::model()->find('participant_id = "'.$participant_id.'" AND survey_id = '.$surveyid.' AND token_id = '.$token_id);
$slquery->date_completed = $today;
$slquery->save();
}
}
else
{
$utquery .= "SET usesleft=usesleft-1\n";
}
}
else
{
if (isset($usesleft) && $usesleft<=1)
{
$utquery .= "SET usesleft=usesleft-1, completed='Y'\n";
if(!empty($participant_id))
{
//Update the survey_links table if necessary, to protect anonymity, use the date_created field date
$slquery = Survey_links::model()->find('participant_id = "'.$participant_id.'" AND survey_id = '.$surveyid.' AND token_id = '.$token_id);
$slquery->date_completed = $slquery->date_created;
$slquery->save();
}
}
else
{
$utquery .= "SET usesleft=usesleft-1\n";
}
}
$utquery .= "WHERE token='".$clienttoken."'";
$utresult = dbExecuteAssoc($utquery) or safeDie ("Couldn't update tokens table!<br />\n$utquery<br />\n"); //Checked
if ($quotaexit==false)
{
// TLR change to put date into sent and completed
$cnfquery = "SELECT * FROM {{tokens_$surveyid}} WHERE token='".$clienttoken."' AND completed!='N' AND completed!=''";
$cnfresult = dbExecuteAssoc($cnfquery); //Checked
$cnfrow = $cnfresult->read();
if (isset($cnfrow))
{
$from = "{$thissurvey['adminname']} <{$thissurvey['adminemail']}>";
$to = $cnfrow['email'];
$subject=$thissurvey['email_confirm_subj'];
$fieldsarray["{ADMINNAME}"]=$thissurvey['adminname'];
$fieldsarray["{ADMINEMAIL}"]=$thissurvey['adminemail'];
$fieldsarray["{SURVEYNAME}"]=$thissurvey['name'];
$fieldsarray["{SURVEYDESCRIPTION}"]=$thissurvey['description'];
$fieldsarray["{FIRSTNAME}"]=$cnfrow['firstname'];
$fieldsarray["{LASTNAME}"]=$cnfrow['lastname'];
$fieldsarray["{TOKEN}"]=$clienttoken;
$attrfieldnames=getAttributeFieldNames($surveyid);
foreach ($attrfieldnames as $attr_name)
{
$fieldsarray["{".strtoupper($attr_name)."}"]=$cnfrow[$attr_name];
}
$dateformatdatat=getDateFormatData($thissurvey['surveyls_dateformat']);
$numberformatdatat = getRadixPointData($thissurvey['surveyls_numberformat']);
$fieldsarray["{EXPIRY}"]=convertDateTimeFormat($thissurvey["expiry"],'Y-m-d H:i:s',$dateformatdatat['phpdate']);
$subject=ReplaceFields($subject, $fieldsarray, true);
$subject=html_entity_decode($subject,ENT_QUOTES,$emailcharset);
if (getEmailFormat($surveyid) == 'html')
{
$ishtml=true;
}
else
{
$ishtml=false;
}
if (trim(strip_tags($thissurvey['email_confirm'])) != "" && $thissurvey['sendconfirmation'] == "Y")
{
$message=$thissurvey['email_confirm'];
$message=ReplaceFields($message, $fieldsarray, true);
if (!$ishtml)
{
$message=strip_tags(breakToNewline(html_entity_decode($message,ENT_QUOTES,$emailcharset)));
}
else
{
$message=html_entity_decode($message,ENT_QUOTES, $emailcharset );
}
//Only send confirmation email if there is a valid email address
if (validateEmailAddress($cnfrow['email']))
{
SendEmailMessage($message, $subject, $to, $from, $sitename,$ishtml);
}
}