/**
  * printanswers::view()
  * View answers at the end of a survey in one place. To export as pdf, set 'usepdfexport' = 1 in lsconfig.php and $printableexport='pdf'.
  * @param mixed $surveyid
  * @param bool $printableexport
  * @return
  */
 function actionView($surveyid, $printableexport = FALSE)
 {
     Yii::app()->loadHelper("frontend");
     Yii::import('application.libraries.admin.pdf');
     $iSurveyID = (int) $surveyid;
     $sExportType = $printableexport;
     Yii::app()->loadHelper('database');
     if (isset($_SESSION['survey_' . $iSurveyID]['sid'])) {
         $iSurveyID = $_SESSION['survey_' . $iSurveyID]['sid'];
     } else {
         //die('Invalid survey/session');
     }
     // Get the survey inforamtion
     // Set the language for dispay
     if (isset($_SESSION['survey_' . $iSurveyID]['s_lang'])) {
         $sLanguage = $_SESSION['survey_' . $iSurveyID]['s_lang'];
     } elseif (Survey::model()->findByPk($iSurveyID)) {
         $sLanguage = Survey::model()->findByPk($iSurveyID)->language;
     } else {
         $iSurveyID = 0;
         $sLanguage = Yii::app()->getConfig("defaultlang");
     }
     SetSurveyLanguage($iSurveyID, $sLanguage);
     $aSurveyInfo = getSurveyInfo($iSurveyID, $sLanguage);
     //SET THE TEMPLATE DIRECTORY
     $sTemplate = $aSurveyInfo['template'];
     global $oTemplate;
     //Survey is not finished or don't exist
     if (!isset($_SESSION['survey_' . $iSurveyID]['finished']) || !isset($_SESSION['survey_' . $iSurveyID]['srid'])) {
         sendCacheHeaders();
         doHeader();
         /// $oTemplate is a global variable defined in controller/survey/index
         echo templatereplace(file_get_contents($oTemplate->viewPath . '/startpage.pstpl'), array());
         echo "<center><br />\n" . "\t<font color='RED'><strong>" . gT("Error") . "</strong></font><br />\n" . "\t" . gT("We are sorry but your session has expired.") . "<br />" . gT("Either you have been inactive for too long, you have cookies disabled for your browser, or there were problems with your connection.") . "<br />\n" . "\t" . sprintf(gT("Please contact %s ( %s ) for further assistance."), Yii::app()->getConfig("siteadminname"), Yii::app()->getConfig("siteadminemail")) . "\n" . "</center><br />\n";
         echo templatereplace(file_get_contents($oTemplate->viewPath . '/endpage.pstpl'), array());
         doFooter();
         exit;
     }
     //Fin session time out
     $sSRID = $_SESSION['survey_' . $iSurveyID]['srid'];
     //I want to see the answers with this id
     //Ensure script is not run directly, avoid path disclosure
     //if (!isset($rootdir) || isset($_REQUEST['$rootdir'])) {die( "browse - Cannot run this script directly");}
     //Ensure Participants printAnswer setting is set to true or that the logged user have read permissions over the responses.
     if ($aSurveyInfo['printanswers'] == 'N' && !Permission::model()->hasSurveyPermission($iSurveyID, 'responses', 'read')) {
         throw new CHttpException(401, 'You are not allowed to print answers.');
     }
     //CHECK IF SURVEY IS ACTIVATED AND EXISTS
     $sSurveyName = $aSurveyInfo['surveyls_title'];
     $sAnonymized = $aSurveyInfo['anonymized'];
     //OK. IF WE GOT THIS FAR, THEN THE SURVEY EXISTS AND IT IS ACTIVE, SO LETS GET TO WORK.
     //SHOW HEADER
     if ($sExportType != 'pdf') {
         $sOutput = CHtml::form(array("printanswers/view/surveyid/{$iSurveyID}/printableexport/pdf"), 'post') . "<center><input class='btn btn-default' type='submit' value='" . gT("PDF export") . "'id=\"exportbutton\"/><input type='hidden' name='printableexport' /></center></form>";
         $sOutput .= "\t<div class='printouttitle'><strong>" . gT("Survey name (ID):") . "</strong> {$sSurveyName} ({$iSurveyID})</div><p>&nbsp;\n";
         LimeExpressionManager::StartProcessingPage(true);
         // means that all variables are on the same page
         // Since all data are loaded, and don't need JavaScript, pretend all from Group 1
         LimeExpressionManager::StartProcessingGroup(1, $aSurveyInfo['anonymized'] != "N", $iSurveyID);
         $printanswershonorsconditions = Yii::app()->getConfig('printanswershonorsconditions');
         $aFullResponseTable = getFullResponseTable($iSurveyID, $sSRID, $sLanguage, $printanswershonorsconditions);
         //Get the fieldmap @TODO: do we need to filter out some fields?
         if ($aSurveyInfo['datestamp'] != "Y" || $sAnonymized == 'Y') {
             unset($aFullResponseTable['submitdate']);
         } else {
             unset($aFullResponseTable['id']);
         }
         unset($aFullResponseTable['token']);
         unset($aFullResponseTable['lastpage']);
         unset($aFullResponseTable['startlanguage']);
         unset($aFullResponseTable['datestamp']);
         unset($aFullResponseTable['startdate']);
         $sOutput .= "<table class='printouttable' >\n";
         foreach ($aFullResponseTable as $sFieldname => $fname) {
             if (substr($sFieldname, 0, 4) == 'gid_') {
                 $sOutput .= "\t<tr class='printanswersgroup'><td colspan='2'>{$fname[0]}</td></tr>\n";
                 $sOutput .= "\t<tr class='printanswersgroupdesc'><td colspan='2'>{$fname[1]}</td></tr>\n";
             } elseif ($sFieldname == 'submitdate') {
                 if ($sAnonymized != 'Y') {
                     $sOutput .= "\t<tr class='printanswersquestion'><td>{$fname[0]} {$fname[1]} {$sFieldname}</td><td class='printanswersanswertext'>{$fname[2]}</td></tr>";
                 }
             } elseif (substr($sFieldname, 0, 4) != 'qid_') {
                 $sOutput .= "\t<tr class='printanswersquestion'><td>{$fname[0]} {$fname[1]}</td><td class='printanswersanswertext'>" . flattenText($fname[2]) . "</td></tr>";
             }
         }
         $sOutput .= "</table>\n";
         $sData['thissurvey'] = $aSurveyInfo;
         $sOutput = templatereplace($sOutput, array(), $sData, '', $aSurveyInfo['anonymized'] == "Y", NULL, array(), true);
         // Do a static replacement
         ob_start(function ($buffer, $phase) {
             App()->getClientScript()->render($buffer);
             App()->getClientScript()->reset();
             return $buffer;
         });
         ob_implicit_flush(false);
         sendCacheHeaders();
         doHeader();
         echo templatereplace(file_get_contents($oTemplate->viewPath . '/startpage.pstpl'), array(), $sData);
         echo templatereplace(file_get_contents($oTemplate->viewPath . '/printanswers.pstpl'), array('ANSWERTABLE' => $sOutput), $sData);
         echo templatereplace(file_get_contents($oTemplate->viewPath . '/endpage.pstpl'), array(), $sData);
         echo "</body></html>";
         ob_flush();
     }
     if ($sExportType == 'pdf') {
         // Get images for TCPDF from template directory
         define('K_PATH_IMAGES', getTemplatePath($aSurveyInfo['template']) . DIRECTORY_SEPARATOR);
         Yii::import('application.libraries.admin.pdf', true);
         Yii::import('application.helpers.pdfHelper');
         $aPdfLanguageSettings = pdfHelper::getPdfLanguageSettings(App()->language);
         $oPDF = new pdf();
         $sDefaultHeaderString = $sSurveyName . " (" . gT("ID", 'unescaped') . ":" . $iSurveyID . ")";
         $oPDF->initAnswerPDF($aSurveyInfo, $aPdfLanguageSettings, Yii::app()->getConfig('sitename'), $sSurveyName, $sDefaultHeaderString);
         LimeExpressionManager::StartProcessingPage(true);
         // means that all variables are on the same page
         // Since all data are loaded, and don't need JavaScript, pretend all from Group 1
         LimeExpressionManager::StartProcessingGroup(1, $aSurveyInfo['anonymized'] != "N", $iSurveyID);
         $printanswershonorsconditions = Yii::app()->getConfig('printanswershonorsconditions');
         $aFullResponseTable = getFullResponseTable($iSurveyID, $sSRID, $sLanguage, $printanswershonorsconditions);
         //Get the fieldmap @TODO: do we need to filter out some fields?
         if ($aSurveyInfo['datestamp'] != "Y" || $sAnonymized == 'Y') {
             unset($aFullResponseTable['submitdate']);
         } else {
             unset($aFullResponseTable['id']);
         }
         unset($aFullResponseTable['token']);
         unset($aFullResponseTable['lastpage']);
         unset($aFullResponseTable['startlanguage']);
         unset($aFullResponseTable['datestamp']);
         unset($aFullResponseTable['startdate']);
         foreach ($aFullResponseTable as $sFieldname => $fname) {
             if (substr($sFieldname, 0, 4) == 'gid_') {
                 $oPDF->addGidAnswer($fname[0], $fname[1]);
             } elseif ($sFieldname == 'submitdate') {
                 if ($sAnonymized != 'Y') {
                     $oPDF->addAnswer($fname[0] . " " . $fname[1], $fname[2]);
                 }
             } elseif (substr($sFieldname, 0, 4) != 'qid_') {
                 $oPDF->addAnswer($fname[0] . " " . $fname[1], $fname[2]);
             }
         }
         header("Pragma: public");
         header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
         $sExportFileName = sanitize_filename($sSurveyName);
         $oPDF->Output($sExportFileName . "-" . $iSurveyID . ".pdf", "D");
     }
     LimeExpressionManager::FinishProcessingGroup();
     LimeExpressionManager::FinishProcessingPage();
 }