/**
* This function builds all the required session variables when a survey is first started and
* it loads any answer defaults from command line or from the table defaultvalues
* It is called from the related format script (group.php, question.php, survey.php)
* if the survey has just started.
*/
function buildsurveysession($surveyid, $preview = false)
{
    Yii::trace('start', 'survey.buildsurveysession');
    global $secerror, $clienttoken;
    global $tokensexist;
    //global $surveyid;
    global $move, $rooturl;
    $clang = Yii::app()->lang;
    $sLangCode = $clang->langcode;
    $languagechanger = makeLanguageChangerSurvey($sLangCode);
    if (!$preview) {
        $preview = Yii::app()->getConfig('previewmode');
    }
    $thissurvey = getSurveyInfo($surveyid, $sLangCode);
    $_SESSION['survey_' . $surveyid]['templatename'] = validateTemplateDir($thissurvey['template']);
    $_SESSION['survey_' . $surveyid]['templatepath'] = getTemplatePath($_SESSION['survey_' . $surveyid]['templatename']) . DIRECTORY_SEPARATOR;
    $sTemplatePath = $_SESSION['survey_' . $surveyid]['templatepath'];
    $loadsecurity = returnGlobal('loadsecurity', true);
    // NO TOKEN REQUIRED BUT CAPTCHA ENABLED FOR SURVEY ACCESS
    if ($tokensexist == 0 && isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha']) && !isset($_SESSION['survey_' . $surveyid]['captcha_surveyaccessscreen']) && !$preview) {
        // IF CAPTCHA ANSWER IS NOT CORRECT OR NOT SET
        if (!isset($loadsecurity) || !isset($_SESSION['survey_' . $surveyid]['secanswer']) || $loadsecurity != $_SESSION['survey_' . $surveyid]['secanswer']) {
            sendCacheHeaders();
            doHeader();
            // No or bad answer to required security question
            $redata = compact(array_keys(get_defined_vars()));
            echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[875]');
            //echo makedropdownlist();
            echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[877]');
            if (isset($loadsecurity)) {
                // was a bad answer
                echo "<font color='#FF0000'>" . $clang->gT("The answer to the security question is incorrect.") . "</font><br />";
            }
            echo "<p class='captcha'>" . $clang->gT("Please confirm access to survey by answering the security question below and click continue.") . "</p>" . CHtml::form(array("/survey/index/sid/{$surveyid}"), 'post', array('class' => 'captcha')) . "\n            <table align='center'>\n            <tr>\n            <td align='right' valign='middle'>\n            <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n            <input type='hidden' name='lang' value='" . $sLangCode . "' id='lang' />";
            // In case we this is a direct Reload previous answers URL, then add hidden fields
            if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
                echo "\n                <input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n                <input type='hidden' name='scid' value='" . returnGlobal('scid', true) . "' id='scid' />\n                <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n                <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
            }
            echo "\n            </td>\n            </tr>";
            if (function_exists("ImageCreate") && isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
                echo "<tr>\n                <td align='center' valign='middle'><label for='captcha'>" . $clang->gT("Security question:") . "</label></td><td align='left' valign='middle'><table><tr><td valign='middle'><img src='" . Yii::app()->getController()->createUrl('/verification/image/sid/' . $surveyid) . "' alt='captcha' /></td>\n                <td valign='middle'><input id='captcha' type='text' size='5' maxlength='3' name='loadsecurity' value='' /></td></tr></table>\n                </td>\n                </tr>";
            }
            echo "<tr><td colspan='2' align='center'><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></td></tr>\n            </table>\n            </form>";
            echo templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1567]');
            doFooter();
            exit;
        } else {
            $_SESSION['survey_' . $surveyid]['captcha_surveyaccessscreen'] = true;
        }
    }
    //BEFORE BUILDING A NEW SESSION FOR THIS SURVEY, LET'S CHECK TO MAKE SURE THE SURVEY SHOULD PROCEED!
    // TOKEN REQUIRED BUT NO TOKEN PROVIDED
    if ($tokensexist == 1 && !$clienttoken && !$preview) {
        if ($thissurvey['nokeyboard'] == 'Y') {
            includeKeypad();
            $kpclass = "text-keypad";
        } else {
            $kpclass = "";
        }
        // DISPLAY REGISTER-PAGE if needed
        // DISPLAY CAPTCHA if needed
        sendCacheHeaders();
        doHeader();
        $redata = compact(array_keys(get_defined_vars()));
        echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[1594]');
        //echo makedropdownlist();
        echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[1596]');
        if (isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
            echo templatereplace(file_get_contents($sTemplatePath . "register.pstpl"), array(), $redata, 'frontend_helper[1599]');
        } else {
            // ->renderPartial('entertoken_view');
            if (isset($secerror)) {
                echo "<span class='error'>" . $secerror . "</span><br />";
            }
            echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br />";
            echo $clang->gT("If you have been issued a token, please enter it in the box below and click continue.") . "</p>\n            <script type='text/javascript'>var focus_element='#token';</script>" . CHtml::form(array("/survey/index/sid/{$surveyid}"), 'post', array('id' => 'tokenform', 'autocomplete' => 'off')) . "\n            <ul>\n            <li>";
            ?>
            <label for='token'><?php 
            $clang->eT("Token:");
            ?>
</label><input class='text <?php 
            echo $kpclass;
            ?>
' id='token' type='password' name='token' value='' />
            <?php 
            echo "<input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n            <input type='hidden' name='lang' value='" . $sLangCode . "' id='lang' />";
            if (isset($_GET['newtest']) && $_GET['newtest'] == "Y") {
                echo "  <input type='hidden' name='newtest' value='Y' id='newtest' />";
            }
            // If this is a direct Reload previous answers URL, then add hidden fields
            if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
                echo "\n                <input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n                <input type='hidden' name='scid' value='" . returnGlobal('scid', true) . "' id='scid' />\n                <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n                <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
            }
            echo "</li>";
            if (function_exists("ImageCreate") && isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
                echo "<li>\n                <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='" . Yii::app()->getController()->createUrl('/verification/image/sid/' . $surveyid) . "' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n                </li>";
            }
            echo "<li>\n            <input class='submit button' type='submit' value='" . $clang->gT("Continue") . "' />\n            </li>\n            </ul>\n            </form></div>";
        }
        echo templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1645]');
        doFooter();
        exit;
    } elseif ($tokensexist == 1 && $clienttoken && !isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
        //check if token actually does exist
        // check also if it is allowed to change survey after completion
        if ($thissurvey['alloweditaftercompletion'] == 'Y') {
            $oTokenEntry = Token::model($surveyid)->findByAttributes(array('token' => $clienttoken));
        } else {
            $oTokenEntry = Token::model($surveyid)->usable()->incomplete()->findByAttributes(array('token' => $clienttoken));
        }
        if (!isset($oTokenEntry)) {
            //TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
            killSurveySession($surveyid);
            sendCacheHeaders();
            doHeader();
            $redata = compact(array_keys(get_defined_vars()));
            echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[1676]');
            echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[1677]');
            echo '<div id="wrapper"><p id="tokenmessage">' . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br /><br />\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)</p></div>\n";
            echo templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1684]');
            doFooter();
            exit;
        }
    } elseif ($tokensexist == 1 && $clienttoken && isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
        // IF CAPTCHA ANSWER IS CORRECT
        if (isset($loadsecurity) && isset($_SESSION['survey_' . $surveyid]['secanswer']) && $loadsecurity == $_SESSION['survey_' . $surveyid]['secanswer']) {
            if ($thissurvey['alloweditaftercompletion'] == 'Y') {
                $oTokenEntry = Token::model($surveyid)->findByAttributes(array('token' => $clienttoken));
            } else {
                $oTokenEntry = Token::model($surveyid)->incomplete()->findByAttributes(array('token' => $clienttoken));
            }
            if (!isset($oTokenEntry)) {
                sendCacheHeaders();
                doHeader();
                //TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
                $redata = compact(array_keys(get_defined_vars()));
                echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[1719]');
                echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[1720]');
                echo "\t<div id='wrapper'>\n" . "\t<p id='tokenmessage'>\n" . "\t" . $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />\n" . "\t" . $clang->gT("The token you have provided is either not valid, or has already been used.") . "<br/><br />\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)\n" . "\t</p>\n" . "\t</div>\n";
                echo templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1731]');
                doFooter();
                exit;
            }
        } else {
            if (!isset($move) || is_null($move)) {
                unset($_SESSION['survey_' . $surveyid]['srid']);
                $gettoken = $clienttoken;
                sendCacheHeaders();
                doHeader();
                // No or bad answer to required security question
                $redata = compact(array_keys(get_defined_vars()));
                echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[1745]');
                echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[1746]');
                // If token wasn't provided and public registration
                // is enabled then show registration form
                if (!isset($gettoken) && isset($thissurvey) && $thissurvey['allowregister'] == "Y") {
                    echo templatereplace(file_get_contents($sTemplatePath . "register.pstpl"), array(), $redata, 'frontend_helper[1751]');
                } else {
                    // only show CAPTCHA
                    echo '<div id="wrapper"><p id="tokenmessage">';
                    if (isset($loadsecurity)) {
                        // was a bad answer
                        echo "<span class='error'>" . $clang->gT("The answer to the security question is incorrect.") . "</span><br />";
                    }
                    echo $clang->gT("This is a controlled survey. You need a valid token to participate.") . "<br /><br />";
                    // IF TOKEN HAS BEEN GIVEN THEN AUTOFILL IT
                    // AND HIDE ENTRY FIELD
                    if (!isset($gettoken)) {
                        echo $clang->gT("If you have been issued a token, please enter it in the box below and click continue.") . "</p>\n                        <form id='tokenform' method='get' action='" . Yii::app()->getController()->createUrl("/survey/index") . "'>\n                        <ul>\n                        <li>\n                        <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n                        <input type='hidden' name='lang' value='" . $sLangCode . "' id='lang' />";
                        if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
                            echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n                            <input type='hidden' name='scid' value='" . returnGlobal('scid', true) . "' id='scid' />\n                            <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n                            <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
                        }
                        echo '<label for="token">' . $clang->gT("Token") . "</label><input class='text' type='password' id='token' name='token'></li>";
                    } else {
                        echo $clang->gT("Please confirm the token by answering the security question below and click continue.") . "</p>\n                    <form id='tokenform' method='get' action='" . Yii::app()->getController()->createUrl("/survey/index") . "'>\n                    <ul>\n                    <li>\n                    <input type='hidden' name='sid' value='" . $surveyid . "' id='sid' />\n                    <input type='hidden' name='lang' value='" . $sLangCode . "' id='lang' />";
                        if (isset($_GET['loadall']) && isset($_GET['scid']) && isset($_GET['loadname']) && isset($_GET['loadpass'])) {
                            echo "<input type='hidden' name='loadall' value='" . htmlspecialchars($_GET['loadall']) . "' id='loadall' />\n                        <input type='hidden' name='scid' value='" . returnGlobal('scid', true) . "' id='scid' />\n                        <input type='hidden' name='loadname' value='" . htmlspecialchars($_GET['loadname']) . "' id='loadname' />\n                        <input type='hidden' name='loadpass' value='" . htmlspecialchars($_GET['loadpass']) . "' id='loadpass' />";
                        }
                        echo '<label for="token">' . $clang->gT("Token:") . "</label><span id='token'>{$gettoken}</span>" . "<input type='hidden' name='token' value='{$gettoken}'></li>";
                    }
                    if (function_exists("ImageCreate") && isCaptchaEnabled('surveyaccessscreen', $thissurvey['usecaptcha'])) {
                        echo "<li>\n                    <label for='captchaimage'>" . $clang->gT("Security Question") . "</label><img id='captchaimage' src='" . Yii::app()->getController()->createUrl('/verification/image/sid/' . $surveyid) . "' alt='captcha' /><input type='text' size='5' maxlength='3' name='loadsecurity' value='' />\n                    </li>";
                    }
                    echo "<li><input class='submit' type='submit' value='" . $clang->gT("Continue") . "' /></li>\n                </ul>\n                </form>\n                </id>";
                }
                echo '</div>' . templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1817]');
                doFooter();
                exit;
            }
        }
    }
    //RESET ALL THE SESSION VARIABLES AND START AGAIN
    unset($_SESSION['survey_' . $surveyid]['grouplist']);
    unset($_SESSION['survey_' . $surveyid]['fieldarray']);
    unset($_SESSION['survey_' . $surveyid]['insertarray']);
    unset($_SESSION['survey_' . $surveyid]['fieldnamesInfo']);
    unset($_SESSION['survey_' . $surveyid]['fieldmap-' . $surveyid . '-randMaster']);
    unset($_SESSION['survey_' . $surveyid]['groupReMap']);
    $_SESSION['survey_' . $surveyid]['fieldnamesInfo'] = array();
    // Multi lingual support order : by REQUEST, if not by Token->language else by survey default language
    if (returnGlobal('lang', true)) {
        $language_to_set = returnGlobal('lang', true);
    } elseif (isset($oTokenEntry) && $oTokenEntry) {
        // If survey have token : we have a $oTokenEntry
        // Can use $oTokenEntry = Token::model($surveyid)->findByAttributes(array('token'=>$clienttoken)); if we move on another function : this par don't validate the token validity
        $language_to_set = $oTokenEntry->language;
    } else {
        $language_to_set = $thissurvey['language'];
    }
    if (!isset($_SESSION['survey_' . $surveyid]['s_lang'])) {
        SetSurveyLanguage($surveyid, $language_to_set);
    }
    UpdateGroupList($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
    $sQuery = "SELECT count(*)\n" . " FROM {{groups}} INNER JOIN {{questions}} ON {{groups}}.gid = {{questions}}.gid\n" . " WHERE {{questions}}.sid=" . $surveyid . "\n" . " AND {{groups}}.language='" . $_SESSION['survey_' . $surveyid]['s_lang'] . "'\n" . " AND {{questions}}.language='" . $_SESSION['survey_' . $surveyid]['s_lang'] . "'\n" . " AND {{questions}}.parent_qid=0\n";
    $totalquestions = Yii::app()->db->createCommand($sQuery)->queryScalar();
    // Fix totalquestions by substracting Test Display questions
    $iNumberofQuestions = dbExecuteAssoc("SELECT count(*)\n" . " FROM {{questions}}" . " WHERE type in ('X','*')\n" . " AND sid={$surveyid}" . " AND language='" . $_SESSION['survey_' . $surveyid]['s_lang'] . "'" . " AND parent_qid=0")->read();
    $_SESSION['survey_' . $surveyid]['totalquestions'] = $totalquestions - (int) reset($iNumberofQuestions);
    //2. SESSION VARIABLE: totalsteps
    //The number of "pages" that will be presented in this survey
    //The number of pages to be presented will differ depending on the survey format
    switch ($thissurvey['format']) {
        case "A":
            $_SESSION['survey_' . $surveyid]['totalsteps'] = 1;
            break;
        case "G":
            if (isset($_SESSION['survey_' . $surveyid]['grouplist'])) {
                $_SESSION['survey_' . $surveyid]['totalsteps'] = count($_SESSION['survey_' . $surveyid]['grouplist']);
            }
            break;
        case "S":
            $_SESSION['survey_' . $surveyid]['totalsteps'] = $totalquestions;
    }
    if ($totalquestions == 0) {
        sendCacheHeaders();
        doHeader();
        $redata = compact(array_keys(get_defined_vars()));
        echo templatereplace(file_get_contents($sTemplatePath . "startpage.pstpl"), array(), $redata, 'frontend_helper[1914]');
        echo templatereplace(file_get_contents($sTemplatePath . "survey.pstpl"), array(), $redata, 'frontend_helper[1915]');
        echo "\t<div id='wrapper'>\n" . "\t<p id='tokenmessage'>\n" . "\t" . $clang->gT("This survey does not yet have any questions and cannot be tested or completed.") . "<br /><br />\n" . "\t" . sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname']) . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)<br /><br />\n" . "\t</p>\n" . "\t</div>\n";
        echo templatereplace(file_get_contents($sTemplatePath . "endpage.pstpl"), array(), $redata, 'frontend_helper[1925]');
        doFooter();
        exit;
    }
    //Perform a case insensitive natural sort on group name then question title of a multidimensional array
    //    usort($arows, 'groupOrderThenQuestionOrder');
    //3. SESSION VARIABLE - insertarray
    //An array containing information about used to insert the data into the db at the submit stage
    //4. SESSION VARIABLE - fieldarray
    //See rem at end..
    if ($tokensexist == 1 && $clienttoken) {
        $_SESSION['survey_' . $surveyid]['token'] = $clienttoken;
    }
    if ($thissurvey['anonymized'] == "N") {
        $_SESSION['survey_' . $surveyid]['insertarray'][] = "token";
    }
    $qtypes = getQuestionTypeList('', 'array');
    $fieldmap = createFieldMap($surveyid, 'full', true, false, $_SESSION['survey_' . $surveyid]['s_lang']);
    // Randomization groups for groups
    $aRandomGroups = array();
    $aGIDCompleteMap = array();
    // first find all groups and their groups IDS
    $criteria = new CDbCriteria();
    $criteria->addColumnCondition(array('sid' => $surveyid, 'language' => $_SESSION['survey_' . $surveyid]['s_lang']));
    $criteria->addCondition("randomization_group != ''");
    $oData = QuestionGroup::model()->findAll($criteria);
    foreach ($oData as $aGroup) {
        $aRandomGroups[$aGroup['randomization_group']][] = $aGroup['gid'];
    }
    // Shuffle each group and create a map for old GID => new GID
    foreach ($aRandomGroups as $sGroupName => $aGIDs) {
        $aShuffledIDs = $aGIDs;
        shuffle($aShuffledIDs);
        $aGIDCompleteMap = $aGIDCompleteMap + array_combine($aGIDs, $aShuffledIDs);
    }
    $_SESSION['survey_' . $surveyid]['groupReMap'] = $aGIDCompleteMap;
    $randomized = false;
    // So we can trigger reorder once for group and question randomization
    // Now adjust the grouplist
    if (count($aRandomGroups) > 0 && !$preview) {
        $randomized = true;
        // So we can trigger reorder once for group and question randomization
        // Now adjust the grouplist
        Yii::import('application.helpers.frontend_helper', true);
        // make sure frontend helper is loaded
        UpdateGroupList($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
        // ... and the fieldmap
        // First create a fieldmap with GID as key
        foreach ($fieldmap as $aField) {
            if (isset($aField['gid'])) {
                $GroupFieldMap[$aField['gid']][] = $aField;
            } else {
                $GroupFieldMap['other'][] = $aField;
            }
        }
        // swap it
        foreach ($GroupFieldMap as $iOldGid => $fields) {
            $iNewGid = $iOldGid;
            if (isset($aGIDCompleteMap[$iOldGid])) {
                $iNewGid = $aGIDCompleteMap[$iOldGid];
            }
            $newGroupFieldMap[$iNewGid] = $GroupFieldMap[$iNewGid];
        }
        $GroupFieldMap = $newGroupFieldMap;
        // and convert it back to a fieldmap
        unset($fieldmap);
        foreach ($GroupFieldMap as $aGroupFields) {
            foreach ($aGroupFields as $aField) {
                if (isset($aField['fieldname'])) {
                    $fieldmap[$aField['fieldname']] = $aField;
                    // isset() because of the shuffled flag above
                }
            }
        }
        unset($GroupFieldMap);
    }
    // Randomization groups for questions
    // Find all defined randomization groups through question attribute values
    $randomGroups = array();
    if (in_array(Yii::app()->db->getDriverName(), array('mssql', 'sqlsrv', 'dblib'))) {
        $rgquery = "SELECT attr.qid, CAST(value as varchar(255)) as value FROM {{question_attributes}} as attr right join {{questions}} as quests on attr.qid=quests.qid WHERE attribute='random_group' and CAST(value as varchar(255)) <> '' and sid={$surveyid} GROUP BY attr.qid, CAST(value as varchar(255))";
    } else {
        $rgquery = "SELECT attr.qid, value FROM {{question_attributes}} as attr right join {{questions}} as quests on attr.qid=quests.qid WHERE attribute='random_group' and value <> '' and sid={$surveyid} GROUP BY attr.qid, value";
    }
    $rgresult = dbExecuteAssoc($rgquery);
    foreach ($rgresult->readAll() as $rgrow) {
        // Get the question IDs for each randomization group
        $randomGroups[$rgrow['value']][] = $rgrow['qid'];
    }
    // If we have randomization groups set, then lets cycle through each group and
    // replace questions in the group with a randomly chosen one from the same group
    if (count($randomGroups) > 0 && !$preview) {
        $randomized = true;
        // So we can trigger reorder once for group and question randomization
        $copyFieldMap = array();
        $oldQuestOrder = array();
        $newQuestOrder = array();
        $randGroupNames = array();
        foreach ($randomGroups as $key => $value) {
            $oldQuestOrder[$key] = $randomGroups[$key];
            $newQuestOrder[$key] = $oldQuestOrder[$key];
            // We shuffle the question list to get a random key->qid which will be used to swap from the old key
            shuffle($newQuestOrder[$key]);
            $randGroupNames[] = $key;
        }
        // Loop through the fieldmap and swap each question as they come up
        foreach ($fieldmap as $fieldkey => $fieldval) {
            $found = 0;
            foreach ($randomGroups as $gkey => $gval) {
                // We found a qid that is in the randomization group
                if (isset($fieldval['qid']) && in_array($fieldval['qid'], $oldQuestOrder[$gkey])) {
                    // Get the swapped question
                    $idx = array_search($fieldval['qid'], $oldQuestOrder[$gkey]);
                    foreach ($fieldmap as $key => $field) {
                        if (isset($field['qid']) && $field['qid'] == $newQuestOrder[$gkey][$idx]) {
                            $field['random_gid'] = $fieldval['gid'];
                            // It is possible to swap to another group
                            $copyFieldMap[$key] = $field;
                        }
                    }
                    $found = 1;
                    break;
                } else {
                    $found = 2;
                }
            }
            if ($found == 2) {
                $copyFieldMap[$fieldkey] = $fieldval;
            }
            reset($randomGroups);
        }
        $fieldmap = $copyFieldMap;
    }
    if ($randomized === true) {
        // reset the sequencing counts
        $gseq = -1;
        $_gid = -1;
        $qseq = -1;
        $_qid = -1;
        $copyFieldMap = array();
        foreach ($fieldmap as $key => $val) {
            if ($val['gid'] != '') {
                if (isset($val['random_gid'])) {
                    $gid = $val['random_gid'];
                } else {
                    $gid = $val['gid'];
                }
                if ($gid != $_gid) {
                    $_gid = $gid;
                    ++$gseq;
                }
            }
            if ($val['qid'] != '' && $val['qid'] != $_qid) {
                $_qid = $val['qid'];
                ++$qseq;
            }
            if ($val['gid'] != '' && $val['qid'] != '') {
                $val['groupSeq'] = $gseq;
                $val['questionSeq'] = $qseq;
            }
            $copyFieldMap[$key] = $val;
        }
        $fieldmap = $copyFieldMap;
        unset($copyFieldMap);
        $_SESSION['survey_' . $surveyid]['fieldmap-' . $surveyid . $_SESSION['survey_' . $surveyid]['s_lang']] = $fieldmap;
        $_SESSION['survey_' . $surveyid]['fieldmap-' . $surveyid . '-randMaster'] = 'fieldmap-' . $surveyid . $_SESSION['survey_' . $surveyid]['s_lang'];
    }
    // TMSW Condition->Relevance:  don't need hasconditions, or usedinconditions
    $_SESSION['survey_' . $surveyid]['fieldmap'] = $fieldmap;
    foreach ($fieldmap as $field) {
        if (isset($field['qid']) && $field['qid'] != '') {
            $_SESSION['survey_' . $surveyid]['fieldnamesInfo'][$field['fieldname']] = $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'];
            $_SESSION['survey_' . $surveyid]['insertarray'][] = $field['fieldname'];
            //fieldarray ARRAY CONTENTS -
            //            [0]=questions.qid,
            //            [1]=fieldname,
            //            [2]=questions.title,
            //            [3]=questions.question
            //                     [4]=questions.type,
            //            [5]=questions.gid,
            //            [6]=questions.mandatory,
            //            [7]=conditionsexist,
            //            [8]=usedinconditions
            //            [8]=usedinconditions
            //            [9]=used in group.php for question count
            //            [10]=new group id for question in randomization group (GroupbyGroup Mode)
            if (!isset($_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']])) {
                //JUST IN CASE : PRECAUTION!
                //following variables are set only if $style=="full" in createFieldMap() in common_helper.
                //so, if $style = "short", set some default values here!
                if (isset($field['title'])) {
                    $title = $field['title'];
                } else {
                    $title = "";
                }
                if (isset($field['question'])) {
                    $question = $field['question'];
                } else {
                    $question = "";
                }
                if (isset($field['mandatory'])) {
                    $mandatory = $field['mandatory'];
                } else {
                    $mandatory = 'N';
                }
                if (isset($field['hasconditions'])) {
                    $hasconditions = $field['hasconditions'];
                } else {
                    $hasconditions = 'N';
                }
                if (isset($field['usedinconditions'])) {
                    $usedinconditions = $field['usedinconditions'];
                } else {
                    $usedinconditions = 'N';
                }
                $_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']] = array($field['qid'], $field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid'], $title, $question, $field['type'], $field['gid'], $mandatory, $hasconditions, $usedinconditions);
            }
            if (isset($field['random_gid'])) {
                $_SESSION['survey_' . $surveyid]['fieldarray'][$field['sid'] . 'X' . $field['gid'] . 'X' . $field['qid']][10] = $field['random_gid'];
            }
        }
    }
    // Prefill questions/answers from command line params
    $reservedGetValues = array('token', 'sid', 'gid', 'qid', 'lang', 'newtest', 'action');
    $startingValues = array();
    if (isset($_GET)) {
        foreach ($_GET as $k => $v) {
            if (!in_array($k, $reservedGetValues) && isset($_SESSION['survey_' . $surveyid]['fieldmap'][$k])) {
                $startingValues[$k] = $v;
            } else {
                // Search question codes to use those for prefilling.
                foreach ($_SESSION['survey_' . $surveyid]['fieldmap'] as $sgqa => $details) {
                    if ($details['title'] == $k) {
                        $startingValues[$sgqa] = $v;
                    }
                }
            }
        }
    }
    $_SESSION['survey_' . $surveyid]['startingValues'] = $startingValues;
    if (isset($_SESSION['survey_' . $surveyid]['fieldarray'])) {
        $_SESSION['survey_' . $surveyid]['fieldarray'] = array_values($_SESSION['survey_' . $surveyid]['fieldarray']);
    }
    //Check if a passthru label and value have been included in the query url
    $oResult = SurveyURLParameter::model()->getParametersForSurvey($surveyid);
    foreach ($oResult->readAll() as $aRow) {
        if (isset($_GET[$aRow['parameter']]) && !$preview) {
            $_SESSION['survey_' . $surveyid]['urlparams'][$aRow['parameter']] = $_GET[$aRow['parameter']];
            if ($aRow['targetqid'] != '') {
                foreach ($fieldmap as $sFieldname => $aField) {
                    if ($aRow['targetsqid'] != '') {
                        if ($aField['qid'] == $aRow['targetqid'] && $aField['sqid'] == $aRow['targetsqid']) {
                            $_SESSION['survey_' . $surveyid]['startingValues'][$sFieldname] = $_GET[$aRow['parameter']];
                            $_SESSION['survey_' . $surveyid]['startingValues'][$aRow['parameter']] = $_GET[$aRow['parameter']];
                        }
                    } else {
                        if ($aField['qid'] == $aRow['targetqid']) {
                            $_SESSION['survey_' . $surveyid]['startingValues'][$sFieldname] = $_GET[$aRow['parameter']];
                            $_SESSION['survey_' . $surveyid]['startingValues'][$aRow['parameter']] = $_GET[$aRow['parameter']];
                        }
                    }
                }
            }
        }
    }
    Yii::trace('end', 'survey.buildsurveysession');
}
Пример #2
0
/**
 * Randomization group for groups
 * @param int $surveyid
 * @param array $fieldmap
 * @param boolean $preview
 * @return array ($fieldmap, $randomized)
 */
function randomizationGroup($surveyid, array $fieldmap, $preview)
{
    // Randomization groups for groups
    $aRandomGroups = array();
    $aGIDCompleteMap = array();
    // First find all groups and their groups IDS
    $criteria = new CDbCriteria();
    $criteria->addColumnCondition(array('sid' => $surveyid, 'language' => $_SESSION['survey_' . $surveyid]['s_lang']));
    $criteria->addCondition("randomization_group != ''");
    $oData = QuestionGroup::model()->findAll($criteria);
    foreach ($oData as $aGroup) {
        $aRandomGroups[$aGroup['randomization_group']][] = $aGroup['gid'];
    }
    // Shuffle each group and create a map for old GID => new GID
    foreach ($aRandomGroups as $sGroupName => $aGIDs) {
        $aShuffledIDs = $aGIDs;
        shuffle($aShuffledIDs);
        $aGIDCompleteMap = $aGIDCompleteMap + array_combine($aGIDs, $aShuffledIDs);
    }
    $_SESSION['survey_' . $surveyid]['groupReMap'] = $aGIDCompleteMap;
    $randomized = false;
    // So we can trigger reorder once for group and question randomization
    // Now adjust the grouplist
    if (count($aRandomGroups) > 0 && !$preview) {
        $randomized = true;
        // So we can trigger reorder once for group and question randomization
        // Now adjust the grouplist
        Yii::import('application.helpers.frontend_helper', true);
        // make sure frontend helper is loaded
        UpdateGroupList($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
        // ... and the fieldmap
        // First create a fieldmap with GID as key
        foreach ($fieldmap as $aField) {
            if (isset($aField['gid'])) {
                $GroupFieldMap[$aField['gid']][] = $aField;
            } else {
                $GroupFieldMap['other'][] = $aField;
            }
        }
        // swap it
        foreach ($GroupFieldMap as $iOldGid => $fields) {
            $iNewGid = $iOldGid;
            if (isset($aGIDCompleteMap[$iOldGid])) {
                $iNewGid = $aGIDCompleteMap[$iOldGid];
            }
            $newGroupFieldMap[$iNewGid] = $GroupFieldMap[$iNewGid];
        }
        $GroupFieldMap = $newGroupFieldMap;
        // and convert it back to a fieldmap
        unset($fieldmap);
        foreach ($GroupFieldMap as $aGroupFields) {
            foreach ($aGroupFields as $aField) {
                if (isset($aField['fieldname'])) {
                    $fieldmap[$aField['fieldname']] = $aField;
                    // isset() because of the shuffled flag above
                }
            }
        }
    }
    return array($fieldmap, $randomized);
}
Пример #3
0
 function action()
 {
     global $surveyid;
     global $thissurvey, $thisstep;
     global $clienttoken, $tokensexist, $token;
     // only attempt to change session lifetime if using a DB backend
     // with file based sessions, it's up to the admin to configure maxlifetime
     if (isset(Yii::app()->session->connectionID)) {
         @ini_set('session.gc_maxlifetime', Yii::app()->getConfig('iSessionExpirationTime'));
     }
     $this->_loadRequiredHelpersAndLibraries();
     $param = $this->_getParameters(func_get_args(), $_POST);
     $surveyid = $param['sid'];
     Yii::app()->setConfig('surveyID', $surveyid);
     $thisstep = $param['thisstep'];
     $move = getMove();
     Yii::app()->setConfig('move', $move);
     $clienttoken = trim($param['token']);
     $standardtemplaterootdir = Yii::app()->getConfig('standardtemplaterootdir');
     if (is_null($thissurvey) && !is_null($surveyid)) {
         $thissurvey = getSurveyInfo($surveyid);
     }
     // unused vars in this method (used in methods using compacted method vars)
     @($loadname = $param['loadname']);
     @($loadpass = $param['loadpass']);
     $sitename = Yii::app()->getConfig('sitename');
     if (isset($param['newtest']) && $param['newtest'] == "Y") {
         killSurveySession($surveyid);
     }
     $surveyExists = $surveyid && Survey::model()->findByPk($surveyid);
     $isSurveyActive = $surveyExists && Survey::model()->findByPk($surveyid)->active == "Y";
     // collect all data in this method to pass on later
     $redata = compact(array_keys(get_defined_vars()));
     $this->_loadLimesurveyLang($surveyid);
     if ($this->_isClientTokenDifferentFromSessionToken($clienttoken, $surveyid)) {
         $sReloadUrl = $this->getController()->createUrl("/survey/index/sid/{$surveyid}", array('token' => $clienttoken, 'lang' => App()->language, 'newtest' => 'Y'));
         $asMessage = array(gT('Token mismatch'), gT('The token you provided doesn\'t match the one in your session.'), "<a class='reloadlink newsurvey' href={$sReloadUrl}>" . gT("Click here to start the survey.") . "</a>");
         $this->_createNewUserSessionAndRedirect($surveyid, $redata, __LINE__, $asMessage);
     }
     if ($this->_isSurveyFinished($surveyid) && ($thissurvey['alloweditaftercompletion'] != 'Y' || $thissurvey['tokenanswerspersistence'] != 'Y')) {
         $aReloadUrlParam = array('lang' => App()->language, 'newtest' => 'Y');
         if ($clienttoken) {
             $aReloadUrlParam['token'] = $clienttoken;
         }
         $sReloadUrl = $this->getController()->createUrl("/survey/index/sid/{$surveyid}", $aReloadUrlParam);
         $asMessage = array(gT('Previous session is set to be finished.'), gT('Your browser reports that it was used previously to answer this survey. We are resetting the session so that you can start from the beginning.'), "<a class='reloadlink newsurvey' href={$sReloadUrl}>" . gT("Click here to start the survey.") . "</a>");
         $this->_createNewUserSessionAndRedirect($surveyid, $redata, __LINE__, $asMessage);
     }
     $previewmode = false;
     if (isset($param['action']) && in_array($param['action'], array('previewgroup', 'previewquestion'))) {
         if (!$this->_canUserPreviewSurvey($surveyid)) {
             $asMessage = array(gT('Error'), gT("We are sorry but you don't have permissions to do this."));
             $this->_niceExit($redata, __LINE__, null, $asMessage);
         } else {
             if (intval($param['qid']) && $param['action'] == 'previewquestion') {
                 $previewmode = 'question';
             }
             if (intval($param['gid']) && $param['action'] == 'previewgroup') {
                 $previewmode = 'group';
             }
         }
     }
     Yii::app()->setConfig('previewmode', $previewmode);
     if ($this->_surveyCantBeViewedWithCurrentPreviewAccess($surveyid, $isSurveyActive, $surveyExists)) {
         $bPreviewRight = $this->_userHasPreviewAccessSession($surveyid);
         if ($bPreviewRight === false) {
             $asMessage = array(gT("Error"), gT("We are sorry but you don't have permissions to do this."), sprintf(gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
             $this->_niceExit($redata, __LINE__, null, $asMessage);
         }
     }
     // TODO can this be moved to the top?
     // (Used to be global, used in ExpressionManager, merged into amVars. If not filled in === '')
     // can this be added in the first computation of $redata?
     if (isset($_SESSION['survey_' . $surveyid]['srid'])) {
         $saved_id = $_SESSION['survey_' . $surveyid]['srid'];
     }
     // recompute $redata since $saved_id used to be a global
     $redata = compact(array_keys(get_defined_vars()));
     if ($this->_didSessionTimeOut($surveyid)) {
         // @TODO is this still required ?
         $asMessage = array(gT("Error"), gT("We are sorry but your session has expired."), gT("Either you have been inactive for too long, you have cookies disabled for your browser, or there were problems with your connection."), sprintf(gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
         $this->_niceExit($redata, __LINE__, null, $asMessage);
     }
     // Set the language of the survey, either from POST, GET parameter of session var
     // Keep the old value, because SetSurveyLanguage update $_SESSION
     $sOldLang = isset($_SESSION['survey_' . $surveyid]['s_lang']) ? $_SESSION['survey_' . $surveyid]['s_lang'] : "";
     // Keep the old value, because SetSurveyLanguage update $_SESSION
     if (!empty($param['lang'])) {
         $sDisplayLanguage = $param['lang'];
         // $param take lang from returnGlobal and returnGlobal sanitize langagecode
     } elseif (isset($_SESSION['survey_' . $surveyid]['s_lang'])) {
         $sDisplayLanguage = $_SESSION['survey_' . $surveyid]['s_lang'];
     } elseif (Survey::model()->findByPk($surveyid)) {
         $sDisplayLanguage = Survey::model()->findByPk($surveyid)->language;
     } else {
         $sDisplayLanguage = Yii::app()->getConfig('defaultlang');
     }
     //CHECK FOR REQUIRED INFORMATION (sid)
     if ($surveyid && $surveyExists) {
         LimeExpressionManager::SetSurveyId($surveyid);
         // must be called early - it clears internal cache if a new survey is being used
         SetSurveyLanguage($surveyid, $sDisplayLanguage);
         if ($previewmode) {
             LimeExpressionManager::SetPreviewMode($previewmode);
         }
         if (App()->language != $sOldLang) {
             UpdateGroupList($surveyid, App()->language);
             // to refresh the language strings in the group list session variable
             UpdateFieldArray();
             // to refresh question titles and question text
         }
     } else {
         throw new CHttpException(404, "The survey in which you are trying to participate does not seem to exist. It may have been deleted or the link you were given is outdated or incorrect.");
     }
     // Get token
     if (!isset($token)) {
         $token = $clienttoken;
     }
     //GET BASIC INFORMATION ABOUT THIS SURVEY
     $thissurvey = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
     $event = new PluginEvent('beforeSurveyPage');
     $event->set('surveyId', $surveyid);
     App()->getPluginManager()->dispatchEvent($event);
     if (!is_null($event->get('template'))) {
         $thissurvey['templatedir'] = $event->get('template');
     }
     //SEE IF SURVEY USES TOKENS
     if ($surveyExists == 1 && tableExists('{{tokens_' . $thissurvey['sid'] . '}}')) {
         $tokensexist = 1;
     } else {
         $tokensexist = 0;
         unset($_POST['token']);
         unset($param['token']);
         unset($token);
         unset($clienttoken);
     }
     //SET THE TEMPLATE DIRECTORY
     global $oTemplate;
     $thistpl = $oTemplate->viewPath;
     $timeadjust = Yii::app()->getConfig("timeadjust");
     //MAKE SURE SURVEY HASN'T EXPIRED
     if ($thissurvey['expiry'] != '' and dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust) > $thissurvey['expiry'] && $thissurvey['active'] != 'N' && !$previewmode) {
         $redata = compact(array_keys(get_defined_vars()));
         $asMessage = array(gT("Error"), gT("This survey is no longer available."), sprintf(gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
         $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
     }
     //MAKE SURE SURVEY IS ALREADY VALID
     if ($thissurvey['startdate'] != '' and dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust) < $thissurvey['startdate'] && $thissurvey['active'] != 'N' && !$previewmode) {
         $redata = compact(array_keys(get_defined_vars()));
         $asMessage = array(gT("Error"), gT("This survey is not yet started."), sprintf(gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
         $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
     }
     //CHECK FOR PREVIOUSLY COMPLETED COOKIE
     //If cookies are being used, and this survey has been completed, a cookie called "PHPSID[sid]STATUS" will exist (ie: SID6STATUS) and will have a value of "COMPLETE"
     $sCookieName = "LS_" . $surveyid . "_STATUS";
     if (isset($_COOKIE[$sCookieName]) && $_COOKIE[$sCookieName] == "COMPLETE" && $thissurvey['usecookie'] == "Y" && $tokensexist != 1 && (!isset($param['newtest']) || $param['newtest'] != "Y")) {
         $redata = compact(array_keys(get_defined_vars()));
         $asMessage = array(gT("Error"), gT("You have already completed this survey."), sprintf(gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
         $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
     }
     //LOAD SAVED SURVEY
     if (Yii::app()->request->getParam('loadall') == "reload") {
         $errormsg = "";
         $sLoadName = Yii::app()->request->getParam('loadname');
         $sLoadPass = Yii::app()->request->getParam('loadpass');
         if (isset($sLoadName) && !$sLoadName) {
             $errormsg .= gT("You did not provide a name") . "<br />\n";
         }
         if (isset($sLoadPass) && !$sLoadPass) {
             $errormsg .= gT("You did not provide a password") . "<br />\n";
         }
         // if security question answer is incorrect
         // Not called if scid is set in GET params (when using email save/reload reminder URL)
         if (function_exists("ImageCreate") && isCaptchaEnabled('saveandloadscreen', $thissurvey['usecaptcha']) && is_null(Yii::app()->request->getQuery('scid'))) {
             $sLoadSecurity = Yii::app()->request->getPost('loadsecurity');
             if (empty($sLoadSecurity)) {
                 $errormsg .= gT("You did not answer to the security question.") . "<br />\n";
             } elseif (!isset($_SESSION['survey_' . $surveyid]['secanswer']) || $sLoadSecurity != $_SESSION['survey_' . $surveyid]['secanswer']) {
                 $errormsg .= gT("The answer to the security question is incorrect.") . "<br />\n";
             }
         }
         if ($errormsg == "") {
             LimeExpressionManager::SetDirtyFlag();
             buildsurveysession($surveyid);
             if (loadanswers()) {
                 Yii::app()->setConfig('move', 'reload');
                 $move = "reload";
                 // veyRunTimeHelper use $move in $arg
             } else {
                 $errormsg .= gT("There is no matching saved survey");
             }
         }
         if ($errormsg) {
             Yii::app()->setConfig('move', "loadall");
             // Show loading form
         }
     }
     //Allow loading of saved survey
     if (Yii::app()->getConfig('move') == "loadall") {
         $redata = compact(array_keys(get_defined_vars()));
         Yii::import("application.libraries.Load_answers");
         $tmp = new Load_answers();
         $tmp->run($redata);
     }
     //Check if TOKEN is used for EVERY PAGE
     //This function fixes a bug where users able to submit two surveys/votes
     //by checking that the token has not been used at each page displayed.
     // bypass only this check at first page (Step=0) because
     // this check is done in buildsurveysession and error message
     // could be more interresting there (takes into accound captcha if used)
     if ($tokensexist == 1 && isset($token) && $token != "" && isset($_SESSION['survey_' . $surveyid]['step']) && $_SESSION['survey_' . $surveyid]['step'] > 0 && tableExists("tokens_{$surveyid}}}")) {
         // check also if it is allowed to change survey after completion
         if ($thissurvey['alloweditaftercompletion'] == 'Y') {
             $tokenInstance = Token::model($surveyid)->findByAttributes(array('token' => $token));
         } else {
             $tokenInstance = Token::model($surveyid)->usable()->incomplete()->findByAttributes(array('token' => $token));
         }
         if (!isset($tokenInstance) && !$previewmode) {
             //TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
             $asMessage = array(null, gT("This is a controlled survey. You need a valid token to participate."), sprintf(gT("For further information please contact %s"), $thissurvey['adminname'] . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)"));
             $this->_niceExit($redata, __LINE__, $thistpl, $asMessage, true);
         }
     }
     if ($tokensexist == 1 && isset($token) && $token != "" && tableExists("{{tokens_" . $surveyid . "}}") && !$previewmode) {
         // check also if it is allowed to change survey after completion
         if ($thissurvey['alloweditaftercompletion'] == 'Y') {
             $tokenInstance = Token::model($surveyid)->editable()->findByAttributes(array('token' => $token));
         } else {
             $tokenInstance = Token::model($surveyid)->usable()->incomplete()->findByAttributes(array('token' => $token));
         }
         if (!isset($tokenInstance)) {
             $oToken = Token::model($surveyid)->findByAttributes(array('token' => $token));
             if ($oToken) {
                 $now = dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", Yii::app()->getConfig("timeadjust"));
                 if ($oToken->completed != 'N' && !empty($oToken->completed)) {
                     $sError = gT("This invitation has already been used.");
                 } elseif (strtotime($now) < strtotime($oToken->validfrom)) {
                     $sError = gT("This invitation is not valid yet.");
                 } elseif (strtotime($now) > strtotime($oToken->validuntil)) {
                     $sError = gT("This invitation is not valid anymore.");
                 } else {
                     $sError = gT("This is a controlled survey. You need a valid token to participate.");
                 }
             } else {
                 $sError = gT("This is a controlled survey. You need a valid token to participate.");
             }
             $asMessage = array($sError, gT("We are sorry but you are not allowed to enter this survey."), sprintf(gT("For further information please contact %s"), $thissurvey['adminname'] . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)"));
             $this->_niceExit($redata, __LINE__, $thistpl, $asMessage, true);
         }
     }
     //Clear session and remove the incomplete response if requested.
     if (isset($move) && $move == "clearall") {
         // delete the response but only if not already completed
         $s_lang = $_SESSION['survey_' . $surveyid]['s_lang'];
         if (isset($_SESSION['survey_' . $surveyid]['srid']) && !SurveyDynamic::model($surveyid)->isCompleted($_SESSION['survey_' . $surveyid]['srid'])) {
             // delete the response but only if not already completed
             $result = dbExecuteAssoc('DELETE FROM {{survey_' . $surveyid . '}} WHERE id=' . $_SESSION['survey_' . $surveyid]['srid'] . " AND submitdate IS NULL");
             if ($result->count() > 0) {
                 // Using count() here *should* be okay for MSSQL because it is a delete statement
                 // find out if there are any fuqt questions - checked
                 $fieldmap = createFieldMap($surveyid, 'short', false, false, $s_lang);
                 foreach ($fieldmap as $field) {
                     if ($field['type'] == "|" && !strpos($field['fieldname'], "_filecount")) {
                         if (!isset($qid)) {
                             $qid = array();
                         }
                         $qid[] = $field['fieldname'];
                     }
                 }
                 // if yes, extract the response json to those questions
                 if (isset($qid)) {
                     $query = "SELECT * FROM {{survey_" . $surveyid . "}} WHERE id=" . $_SESSION['survey_' . $surveyid]['srid'];
                     $result = dbExecuteAssoc($query);
                     foreach ($result->readAll() as $row) {
                         foreach ($qid as $question) {
                             $json = $row[$question];
                             if ($json == "" || $json == NULL) {
                                 continue;
                             }
                             // decode them
                             $phparray = json_decode($json);
                             foreach ($phparray as $metadata) {
                                 $target = Yii::app()->getConfig("uploaddir") . "/surveys/" . $surveyid . "/files/";
                                 // delete those files
                                 unlink($target . $metadata->filename);
                             }
                         }
                     }
                 }
                 // done deleting uploaded files
             }
             // also delete a record from saved_control when there is one
             dbExecuteAssoc('DELETE FROM {{saved_control}} WHERE srid=' . $_SESSION['survey_' . $surveyid]['srid'] . ' AND sid=' . $surveyid);
         }
         killSurveySession($surveyid);
         sendCacheHeaders();
         doHeader();
         $redata = compact(array_keys(get_defined_vars()));
         $this->_printTemplateContent($thistpl . '/startpage.pstpl', $redata, __LINE__);
         echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n" . "\t<script type='text/javascript'>\n" . "\t<!--\n" . "function checkconditions(value, name, type, evt_type)\n" . "\t{\n" . "\t}\n" . "\t//-->\n" . "\t</script>\n\n";
         //Present the clear all page using clearall.pstpl template
         $this->_printTemplateContent($thistpl . '/clearall.pstpl', $redata, __LINE__);
         $this->_printTemplateContent($thistpl . '/endpage.pstpl', $redata, __LINE__);
         doFooter();
         exit;
     }
     //Check to see if a refering URL has been captured.
     if (!isset($_SESSION['survey_' . $surveyid]['refurl'])) {
         $_SESSION['survey_' . $surveyid]['refurl'] = GetReferringUrl();
         // do not overwrite refurl
     }
     // Let's do this only if
     //  - a saved answer record hasn't been loaded through the saved feature
     //  - the survey is not anonymous
     //  - the survey is active
     //  - a token information has been provided
     //  - the survey is setup to allow token-response-persistence
     if (!isset($_SESSION['survey_' . $surveyid]['srid']) && $thissurvey['anonymized'] == "N" && $thissurvey['active'] == "Y" && isset($token) && $token != '') {
         // load previous answers if any (dataentry with nosubmit)
         $oResponses = Response::model($surveyid)->findAllByAttributes(array('token' => $token), array('order' => 'id DESC'));
         if (!empty($oResponses)) {
             /**
              * We fire the response selection event when at least 1 response was found.
              * If there is just 1 response the plugin still has to option to choose
              * NOT to use it.
              */
             $event = new PluginEvent('beforeLoadResponse');
             $event->set('responses', $oResponses);
             $event->set('surveyId', $surveyid);
             App()->pluginManager->dispatchEvent($event);
             $oResponse = $event->get('response');
             // If $oResponse is false we act as if no response was found.
             // This allows a plugin to deny continuing a response.
             if ($oResponse !== false) {
                 // If plugin does not set a response we use the first one found, (this replicates pre-plugin behavior)
                 if (!isset($oResponse) && (!isset($oResponses[0]->submitdate) || $thissurvey['alloweditaftercompletion'] == 'Y') && $thissurvey['tokenanswerspersistence'] == 'Y') {
                     $oResponse = $oResponses[0];
                 }
                 if (isset($oResponse)) {
                     $_SESSION['survey_' . $surveyid]['srid'] = $oResponse->id;
                     if (!empty($oResponse->lastpage)) {
                         $_SESSION['survey_' . $surveyid]['LEMtokenResume'] = true;
                         // If the response was completed and user is allowed to edit after completion start at the beginning and not at the last page - just makes more sense
                         if (!($oResponse->submitdate && $thissurvey['alloweditaftercompletion'] == 'Y')) {
                             $_SESSION['survey_' . $surveyid]['step'] = $oResponse->lastpage;
                         }
                     }
                     buildsurveysession($surveyid);
                     if (!empty($oResponse->submitdate)) {
                         $_SESSION['survey_' . $surveyid]['maxstep'] = $_SESSION['survey_' . $surveyid]['totalsteps'];
                     }
                     loadanswers();
                 }
             }
         }
     }
     // Preview action : Preview right already tested before
     if ($previewmode) {
         // Unset all SESSION: be sure to have the last version
         unset($_SESSION['fieldmap-' . $surveyid . App()->language]);
         // Needed by createFieldMap: else fieldmap can be outdated
         unset($_SESSION['survey_' . $surveyid]);
         if ($param['action'] == 'previewgroup') {
             $thissurvey['format'] = 'G';
         } elseif ($param['action'] == 'previewquestion') {
             $thissurvey['format'] = 'S';
         }
         buildsurveysession($surveyid, true);
     }
     sendCacheHeaders();
     //Send local variables to the appropriate survey type
     unset($redata);
     $redata = compact(array_keys(get_defined_vars()));
     Yii::import('application.helpers.SurveyRuntimeHelper');
     $tmp = new SurveyRuntimeHelper();
     $tmp->run($surveyid, $redata);
     if (isset($_POST['saveall']) || isset($flashmessage)) {
         echo "<script type='text/javascript'> \$(document).ready( function() { alert('" . gT("Your responses were successfully saved.", "js") . "');}) </script>";
     }
 }
Пример #4
0
    function action()
    {
        global $surveyid;
        global $thissurvey, $thisstep;
        global $clienttoken, $tokensexist, $token;
        global $clang;
        $clang = Yii::app()->lang;
        @ini_set('session.gc_maxlifetime', Yii::app()->getConfig('iSessionExpirationTime'));
        $this->_loadRequiredHelpersAndLibraries();
        $param = $this->_getParameters(func_get_args(), $_POST);
        $surveyid = $param['sid'];
        Yii::app()->setConfig('surveyID', $surveyid);
        $thisstep = $param['thisstep'];
        $move = $param['move'];
        $clienttoken = $param['token'];
        $standardtemplaterootdir = Yii::app()->getConfig('standardtemplaterootdir');
        if (is_null($thissurvey) && !is_null($surveyid)) {
            $thissurvey = getSurveyInfo($surveyid);
        }
        // unused vars in this method (used in methods using compacted method vars)
        @($loadname = $param['loadname']);
        @($loadpass = $param['loadpass']);
        $sitename = Yii::app()->getConfig('sitename');
        if (isset($param['newtest']) && $param['newtest'] == "Y") {
            killSurveySession($surveyid);
        }
        $surveyExists = $surveyid && Survey::model()->findByPk($surveyid);
        $isSurveyActive = $surveyExists && Survey::model()->findByPk($surveyid)->active == "Y";
        // collect all data in this method to pass on later
        $redata = compact(array_keys(get_defined_vars()));
        $clang = $this->_loadLimesurveyLang($surveyid);
        if ($this->_isClientTokenDifferentFromSessionToken($clienttoken, $surveyid)) {
            $asMessage = array($clang->gT('Token mismatch'), $clang->gT('The token you provided doesn\'t match the one in your session.'), $clang->gT('Please wait to begin with a new session.'));
            $this->_createNewUserSessionAndRedirect($surveyid, $redata, __LINE__, $asMessage);
        }
        if ($this->_isSurveyFinished($surveyid)) {
            $asMessage = array($clang->gT('Previous session is set to be finished.'), $clang->gT('Your browser reports that it was used previously to answer this survey. We are resetting the session so that you can start from the beginning.'), $clang->gT('Please wait to begin with a new session.'));
            $this->_createNewUserSessionAndRedirect($surveyid, $redata, __LINE__, $asMessage);
        }
        $previewmode = false;
        if (isset($param['action']) && in_array($param['action'], array('previewgroup', 'previewquestion'))) {
            if (!$this->_canUserPreviewSurvey($surveyid)) {
                $asMessage = array($clang->gT('Error'), $clang->gT("We are sorry but you don't have permissions to do this."));
                $this->_niceExit($redata, __LINE__, null, $asMessage);
            } else {
                if (intval($param['qid']) && $param['action'] == 'previewquestion') {
                    $previewmode = 'question';
                }
                if (intval($param['gid']) && $param['action'] == 'previewgroup') {
                    $previewmode = 'group';
                }
            }
        }
        if ($this->_surveyCantBeViewedWithCurrentPreviewAccess($surveyid, $isSurveyActive, $surveyExists)) {
            $bPreviewRight = $this->_userHasPreviewAccessSession($surveyid);
            if ($bPreviewRight === false) {
                $asMessage = array($clang->gT("Error"), $clang->gT("We are sorry but you don't have permissions to do this."), sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
                $this->_niceExit($redata, __LINE__, null, $asMessage);
            }
        }
        // TODO can this be moved to the top?
        // (Used to be global, used in ExpressionManager, merged into amVars. If not filled in === '')
        // can this be added in the first computation of $redata?
        if (isset($_SESSION['survey_' . $surveyid]['srid'])) {
            $saved_id = $_SESSION['survey_' . $surveyid]['srid'];
        }
        // recompute $redata since $saved_id used to be a global
        $redata = compact(array_keys(get_defined_vars()));
        /*if ( $this->_didSessionTimeOut() )
          {
          // @TODO is this still required ?
          $asMessage = array(
          $clang->gT("Error"),
          $clang->gT("We are sorry but your session has expired."),
          $clang->gT("Either you have been inactive for too long, you have cookies disabled for your browser, or there were problems with your connection."),
          sprintf($clang->gT("Please contact %s ( %s ) for further assistance."),$thissurvey['adminname'],$thissurvey['adminemail'])
          );
          $this->_niceExit($redata, __LINE__, null, $asMessage);
          };*/
        // Set the language of the survey, either from POST, GET parameter of session var
        if (!empty($_REQUEST['lang'])) {
            $sTempLanguage = sanitize_languagecode($_REQUEST['lang']);
        } elseif (!empty($param['lang'])) {
            $sTempLanguage = sanitize_languagecode($param['lang']);
        } elseif (isset($_SESSION['survey_' . $surveyid]['s_lang'])) {
            $sTempLanguage = $_SESSION['survey_' . $surveyid]['s_lang'];
        } else {
            $sTempLanguage = '';
        }
        //CHECK FOR REQUIRED INFORMATION (sid)
        if ($surveyid && $surveyExists) {
            LimeExpressionManager::SetSurveyId($surveyid);
            // must be called early - it clears internal cache if a new survey is being used
            $clang = SetSurveyLanguage($surveyid, $sTempLanguage);
            if ($previewmode) {
                LimeExpressionManager::SetPreviewMode($previewmode);
            }
            UpdateGroupList($surveyid, $clang->langcode);
            // to refresh the language strings in the group list session variable
            UpdateFieldArray();
            // to refresh question titles and question text
        } else {
            if (!is_null($param['lang'])) {
                $sDisplayLanguage = $param['lang'];
            } else {
                $sDisplayLanguage = Yii::app()->getConfig('defaultlang');
            }
            $clang = $this->_loadLimesurveyLang($sDisplayLanguage);
            $languagechanger = makeLanguageChanger($sDisplayLanguage);
            //Find out if there are any publicly available surveys
            $query = "SELECT sid, surveyls_title, publicstatistics, language\n            FROM {{surveys}}\n            INNER JOIN {{surveys_languagesettings}}\n            ON ( surveyls_survey_id = sid  )\n            AND (surveyls_language=language)\n            WHERE\n            active='Y'\n            AND listpublic='Y'\n            AND ((expires >= '" . date("Y-m-d H:i") . "') OR (expires is null))\n            AND ((startdate <= '" . date("Y-m-d H:i") . "') OR (startdate is null))\n            ORDER BY surveyls_title";
            $result = dbExecuteAssoc($query, false, true) or safeDie("Could not connect to database. If you try to install LimeSurvey please refer to the <a href='http://docs.limesurvey.org'>installation docs</a> and/or contact the system administrator of this webpage.");
            //Checked
            $list = array();
            foreach ($result->readAll() as $rows) {
                #                $querylang="SELECT surveyls_title
                #                FROM {{surveys_languagesettings}}
                #                WHERE surveyls_survey_id={$rows['sid']}
                #                AND surveyls_language='{$sDisplayLanguage}'";
                #                $resultlang=Yii::app()->db->createCommand($querylang)->queryRow();
                $resultlang = Surveys_languagesettings::model()->find("surveyls_survey_id=:surveyls_survey_id AND surveyls_language=:surveyls_language", array(':surveyls_survey_id' => intval($rows['sid']), ':surveyls_language' => $sDisplayLanguage));
                $langparam = array();
                $langtag = "";
                if ($resultlang) {
                    $rows['surveyls_title'] = $resultlang->surveyls_title;
                    $langparam = array('lang' => $sDisplayLanguage);
                } else {
                    $langtag = "lang=\"{$rows['language']}\"";
                }
                $link = "<li><a href='" . $this->getController()->createUrl('/survey/index/sid/' . $rows['sid'], $langparam);
                $link .= "' {$langtag} class='surveytitle'>" . $rows['surveyls_title'] . "</a>\n";
                if ($rows['publicstatistics'] == 'Y') {
                    $link .= "<a href='" . $this->getController()->createUrl("/statistics_user/action/surveyid/" . $rows['sid']) . "/language/" . $sDisplayLanguage . "'>(" . $clang->gT('View statistics') . ")</a>";
                }
                $link .= "</li>\n";
                $list[] = $link;
            }
            //Check for inactive surveys which allow public registration.
            // TODO add a new template replace {SURVEYREGISTERLIST} ?
            $squery = "SELECT sid, surveyls_title, publicstatistics, language\n            FROM {{surveys}}\n            INNER JOIN {{surveys_languagesettings}}\n            ON (surveyls_survey_id = sid)\n            AND (surveyls_language=language)\n            WHERE allowregister='Y'\n            AND active='Y'\n            AND listpublic='Y'\n            AND ((expires >= '" . date("Y-m-d H:i") . "') OR (expires is null))\n            AND (startdate >= '" . date("Y-m-d H:i") . "')\n            ORDER BY surveyls_title";
            $sresult = dbExecuteAssoc($squery) or safeDie("Couldn't execute {$squery}");
            $aRows = $sresult->readAll();
            if (count($aRows) > 0) {
                $list[] = "</ul>" . " <div class=\"survey-list-heading\">" . $clang->gT("Following survey(s) are not yet active but you can register for them.") . "</div>" . " <ul>";
                // TODO give it to template
                foreach ($aRows as $rows) {
                    $querylang = "SELECT surveyls_title\n                    FROM {{surveys_languagesettings}}\n                    WHERE surveyls_survey_id={$rows['sid']}\n                    AND surveyls_language='{$sDisplayLanguage}'";
                    $resultlang = Yii::app()->db->createCommand($querylang)->queryRow();
                    if ($resultlang['surveyls_title']) {
                        $rows['surveyls_title'] = $resultlang['surveyls_title'];
                        $langtag = "";
                    } else {
                        $langtag = "lang=\"{$rows['language']}\"";
                    }
                    $link = "<li><a href=\"#\" id='inactivesurvey' onclick = 'sendreq(" . $rows['sid'] . ");' ";
                    //$link = "<li><a href=\"#\" id='inactivesurvey' onclick = 'convertGETtoPOST(".$this->getController()->createUrl('survey/send/')."?sid={$rows['sid']}&amp;)sendreq(".$rows['sid'].",".$rows['startdate'].",".$rows['expires'].");' ";
                    $link .= " {$langtag} class='surveytitle'>" . $rows['surveyls_title'] . "</a>\n";
                    $link .= "</li><div id='regform'></div>\n";
                    $list[] = $link;
                }
            }
            if (count($list) < 1) {
                $list[] = "<li class='surveytitle'>" . $clang->gT("No available surveys") . "</li>";
            }
            if (!$surveyid) {
                $thissurvey['name'] = Yii::app()->getConfig("sitename");
                $nosid = $clang->gT("You have not provided a survey identification number");
            } else {
                $thissurvey['name'] = $clang->gT("The survey identification number is invalid");
                $nosid = $clang->gT("The survey identification number is invalid");
            }
            $surveylist = array("nosid" => $nosid, "contact" => sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), Yii::app()->getConfig("siteadminname"), encodeEmail(Yii::app()->getConfig("siteadminemail"))), "listheading" => $clang->gT("The following surveys are available:"), "list" => implode("\n", $list));
            $data['thissurvey'] = $thissurvey;
            //$data['privacy'] = $privacy;
            $data['surveylist'] = $surveylist;
            $data['surveyid'] = $surveyid;
            $data['templatedir'] = getTemplatePath(Yii::app()->getConfig("defaulttemplate"));
            $data['templateurl'] = getTemplateURL(Yii::app()->getConfig("defaulttemplate")) . "/";
            $data['templatename'] = Yii::app()->getConfig("defaulttemplate");
            $data['sitename'] = Yii::app()->getConfig("sitename");
            $data['languagechanger'] = $languagechanger;
            //A nice exit
            sendCacheHeaders();
            doHeader();
            $this->_printTemplateContent(getTemplatePath(Yii::app()->getConfig("defaulttemplate")) . "/startpage.pstpl", $data, __LINE__);
            $this->_printTemplateContent(getTemplatePath(Yii::app()->getConfig("defaulttemplate")) . "/surveylist.pstpl", $data, __LINE__);
            echo '<script type="text/javascript" >
            function sendreq(surveyid)
            {

            $.ajax({
            type: "GET",
            url: "' . $this->getController()->createUrl("/register/ajaxregisterform/surveyid") . '/" + surveyid,
            }).done(function(msg) {
            document.getElementById("regform").innerHTML = msg;
            });
            }
            </script>';
            $this->_printTemplateContent(getTemplatePath(Yii::app()->getConfig("defaulttemplate")) . "/endpage.pstpl", $data, __LINE__);
            doFooter();
            exit;
        }
        // Get token
        if (!isset($token)) {
            $token = $clienttoken;
        }
        //GET BASIC INFORMATION ABOUT THIS SURVEY
        $thissurvey = getSurveyInfo($surveyid, $_SESSION['survey_' . $surveyid]['s_lang']);
        //SEE IF SURVEY USES TOKENS
        if ($surveyExists == 1 && tableExists('{{tokens_' . $thissurvey['sid'] . '}}')) {
            $tokensexist = 1;
        } else {
            $tokensexist = 0;
            unset($_POST['token']);
            unset($param['token']);
            unset($token);
            unset($clienttoken);
        }
        //SET THE TEMPLATE DIRECTORY
        $thistpl = getTemplatePath($thissurvey['templatedir']);
        $timeadjust = Yii::app()->getConfig("timeadjust");
        //MAKE SURE SURVEY HASN'T EXPIRED
        if ($thissurvey['expiry'] != '' and dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust) > $thissurvey['expiry'] && $thissurvey['active'] != 'N' && !$previewmode) {
            $redata = compact(array_keys(get_defined_vars()));
            $asMessage = array($clang->gT("Error"), $clang->gT("This survey is no longer available."), sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
            $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
        }
        //MAKE SURE SURVEY IS ALREADY VALID
        if ($thissurvey['startdate'] != '' and dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust) < $thissurvey['startdate'] && $thissurvey['active'] != 'N' && !$previewmode) {
            $redata = compact(array_keys(get_defined_vars()));
            $asMessage = array($clang->gT("Error"), $clang->gT("This survey is not yet started."), sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
            $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
        }
        //CHECK FOR PREVIOUSLY COMPLETED COOKIE
        //If cookies are being used, and this survey has been completed, a cookie called "PHPSID[sid]STATUS" will exist (ie: SID6STATUS) and will have a value of "COMPLETE"
        $sCookieName = "LS_" . $surveyid . "_STATUS";
        if (isset($_COOKIE[$sCookieName]) && $_COOKIE[$sCookieName] == "COMPLETE" && $thissurvey['usecookie'] == "Y" && $tokensexist != 1 && (!isset($param['newtest']) || $param['newtest'] != "Y")) {
            $redata = compact(array_keys(get_defined_vars()));
            $asMessage = array($clang->gT("Error"), $clang->gT("You have already completed this survey."), sprintf($clang->gT("Please contact %s ( %s ) for further assistance."), $thissurvey['adminname'], $thissurvey['adminemail']));
            $this->_niceExit($redata, __LINE__, $thissurvey['templatedir'], $asMessage);
        }
        if (isset($_GET['loadall']) && $_GET['loadall'] == "reload") {
            if (returnGlobal('loadname') && returnGlobal('loadpass')) {
                $_POST['loadall'] = "reload";
            }
        }
        //LOAD SAVED SURVEY
        if (isset($_POST['loadall']) && $_POST['loadall'] == "reload") {
            $errormsg = "";
            if (!isset($param['loadname']) || $param['loadname'] == null) {
                $errormsg .= $clang->gT("You did not provide a name") . "<br />\n";
            }
            if (!isset($param['loadpass']) || $param['loadpass'] == null) {
                $errormsg .= $clang->gT("You did not provide a password") . "<br />\n";
            }
            // if security question answer is incorrect
            // Not called if scid is set in GET params (when using email save/reload reminder URL)
            if (function_exists("ImageCreate") && isCaptchaEnabled('saveandloadscreen', $thissurvey['usecaptcha'])) {
                if ((!isset($_POST['loadsecurity']) || !isset($_SESSION['survey_' . $surveyid]['secanswer']) || $_POST['loadsecurity'] != $_SESSION['survey_' . $surveyid]['secanswer']) && !isset($_GET['scid'])) {
                    $errormsg .= $clang->gT("The answer to the security question is incorrect.") . "<br />\n";
                }
            }
            // Load session before loading the values from the saved data
            if (isset($_GET['loadall'])) {
                buildsurveysession($surveyid);
            }
            $_SESSION['survey_' . $surveyid]['holdname'] = $param['loadname'];
            //Session variable used to load answers every page.
            $_SESSION['survey_' . $surveyid]['holdpass'] = $param['loadpass'];
            //Session variable used to load answers every page.
            if ($errormsg == "") {
                loadanswers();
            }
            $move = "movenext";
            if ($errormsg) {
                $_POST['loadall'] = $clang->gT("Load unfinished survey");
            }
        }
        //Allow loading of saved survey
        if (isset($_POST['loadall']) && $_POST['loadall'] == $clang->gT("Load unfinished survey")) {
            $redata = compact(array_keys(get_defined_vars()));
            Yii::import("application.libraries.Load_answers");
            $tmp = new Load_answers();
            $tmp->run($redata);
        }
        //Check if TOKEN is used for EVERY PAGE
        //This function fixes a bug where users able to submit two surveys/votes
        //by checking that the token has not been used at each page displayed.
        // bypass only this check at first page (Step=0) because
        // this check is done in buildsurveysession and error message
        // could be more interresting there (takes into accound captcha if used)
        if ($tokensexist == 1 && isset($token) && $token && isset($_SESSION['survey_' . $surveyid]['step']) && $_SESSION['survey_' . $surveyid]['step'] > 0 && tableExists("tokens_{$surveyid}}}")) {
            //check if tokens actually haven't been already used
            $areTokensUsed = usedTokens(trim(strip_tags(returnGlobal('token'))), $surveyid);
            // check if token actually does exist
            // check also if it is allowed to change survey after completion
            if ($thissurvey['alloweditaftercompletion'] == 'Y') {
                $sQuery = "SELECT * FROM {{tokens_" . $surveyid . "}} WHERE token='" . $token . "'";
            } else {
                $sQuery = "SELECT * FROM {{tokens_" . $surveyid . "}} WHERE token='" . $token . "' AND (completed = 'N' or completed='')";
            }
            $aRow = Yii::app()->db->createCommand($sQuery)->queryRow();
            $tokendata = $aRow;
            if (!$aRow || $areTokensUsed && $thissurvey['alloweditaftercompletion'] != 'Y' && !$previewmode) {
                sendCacheHeaders();
                doHeader();
                //TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
                $redata = compact(array_keys(get_defined_vars()));
                $this->_printTemplateContent($thistpl . '/startpage.pstpl', $redata, __LINE__);
                $this->_printTemplateContent($thistpl . '/survey.pstpl', $redata, __LINE__);
                $asMessage = array(null, $clang->gT("This is a controlled survey. You need a valid token to participate."), sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname'] . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)"));
                $this->_niceExit($redata, __LINE__, $thistpl, $asMessage, true);
            }
        }
        if ($tokensexist == 1 && isset($token) && $token && tableExists("{{tokens_" . $surveyid . "}}") && !$previewmode) {
            // check also if it is allowed to change survey after completion
            if ($thissurvey['alloweditaftercompletion'] == 'Y') {
                $tkquery = "SELECT * FROM {{tokens_" . $surveyid . "}} WHERE token='" . $token . "'";
            } else {
                $tkquery = "SELECT * FROM {{tokens_" . $surveyid . "}} WHERE token='" . $token . "' AND (completed = 'N' or completed='')";
            }
            $tkresult = dbExecuteAssoc($tkquery);
            //Checked
            $tokendata = $tkresult->read();
            $tkresult->close();
            //Close the result in case there are more result rows, we are only interested in one and don't want unbuffered query errors
            if (isset($tokendata['validfrom']) && (trim($tokendata['validfrom']) != '' && $tokendata['validfrom'] > dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust)) || isset($tokendata['validuntil']) && (trim($tokendata['validuntil']) != '' && $tokendata['validuntil'] < dateShift(date("Y-m-d H:i:s"), "Y-m-d H:i:s", $timeadjust))) {
                sendCacheHeaders();
                doHeader();
                //TOKEN DOESN'T EXIST OR HAS ALREADY BEEN USED. EXPLAIN PROBLEM AND EXIT
                $redata = compact(array_keys(get_defined_vars()));
                $this->_printTemplateContent($thistpl . '/startpage.pstpl', $redata, __LINE__);
                $this->_printTemplateContent($thistpl . '/survey.pstpl', $redata, __LINE__);
                $asMessage = array(null, $clang->gT("We are sorry but you are not allowed to enter this survey."), $clang->gT("Your token seems to be valid but can be used only during a certain time period."), sprintf($clang->gT("For further information please contact %s"), $thissurvey['adminname'] . " (<a href='mailto:{$thissurvey['adminemail']}'>" . "{$thissurvey['adminemail']}</a>)"));
                $this->_niceExit($redata, __LINE__, $thistpl, $asMessage, true);
            }
        }
        //Clear session and remove the incomplete response if requested.
        if (isset($move) && $move == "clearall") {
            // delete the response but only if not already completed
            $s_lang = $_SESSION['survey_' . $surveyid]['s_lang'];
            if (isset($_SESSION['survey_' . $surveyid]['srid']) && !Survey_dynamic::model($surveyid)->isCompleted($_SESSION['survey_' . $surveyid]['srid'])) {
                // delete the response but only if not already completed
                $result = dbExecuteAssoc('DELETE FROM {{survey_' . $surveyid . '}} WHERE id=' . $_SESSION['survey_' . $surveyid]['srid'] . " AND submitdate IS NULL");
                if ($result->count() > 0) {
                    // Using count() here *should* be okay for MSSQL because it is a delete statement
                    // find out if there are any fuqt questions - checked
                    $fieldmap = createFieldMap($surveyid, 'short', false, false, $s_lang);
                    foreach ($fieldmap as $field) {
                        if ($field['type'] == "|" && !strpos($field['fieldname'], "_filecount")) {
                            if (!isset($qid)) {
                                $qid = array();
                            }
                            $qid[] = $field['fieldname'];
                        }
                    }
                    // if yes, extract the response json to those questions
                    if (isset($qid)) {
                        $query = "SELECT * FROM {{survey_" . $surveyid . "}} WHERE id=" . $_SESSION['survey_' . $surveyid]['srid'];
                        $result = dbExecuteAssoc($query);
                        foreach ($result->readAll() as $row) {
                            foreach ($qid as $question) {
                                $json = $row[$question];
                                if ($json == "" || $json == NULL) {
                                    continue;
                                }
                                // decode them
                                $phparray = json_decode($json);
                                foreach ($phparray as $metadata) {
                                    $target = Yii::app()->getConfig("uploaddir") . "/surveys/" . $surveyid . "/files/";
                                    // delete those files
                                    unlink($target . $metadata->filename);
                                }
                            }
                        }
                    }
                    // done deleting uploaded files
                }
                // also delete a record from saved_control when there is one
                dbExecuteAssoc('DELETE FROM {{saved_control}} WHERE srid=' . $_SESSION['survey_' . $surveyid]['srid'] . ' AND sid=' . $surveyid);
            }
            killSurveySession($surveyid);
            sendCacheHeaders();
            doHeader();
            $redata = compact(array_keys(get_defined_vars()));
            $this->_printTemplateContent($thistpl . '/startpage.pstpl', $redata, __LINE__);
            echo "\n\n<!-- JAVASCRIPT FOR CONDITIONAL QUESTIONS -->\n" . "\t<script type='text/javascript'>\n" . "\t<!--\n" . "function checkconditions(value, name, type, evt_type)\n" . "\t{\n" . "\t}\n" . "\t//-->\n" . "\t</script>\n\n";
            //Present the clear all page using clearall.pstpl template
            $this->_printTemplateContent($thistpl . '/clearall.pstpl', $redata, __LINE__);
            $this->_printTemplateContent($thistpl . '/endpage.pstpl', $redata, __LINE__);
            doFooter();
            exit;
        }
        //Check to see if a refering URL has been captured.
        if (!isset($_SESSION['survey_' . $surveyid]['refurl'])) {
            $_SESSION['survey_' . $surveyid]['refurl'] = GetReferringUrl();
            // do not overwrite refurl
        }
        // Let's do this only if
        //  - a saved answer record hasn't been loaded through the saved feature
        //  - the survey is not anonymous
        //  - the survey is active
        //  - a token information has been provided
        //  - the survey is setup to allow token-response-persistence
        if (!isset($_SESSION['survey_' . $surveyid]['srid']) && $thissurvey['anonymized'] == "N" && $thissurvey['active'] == "Y" && isset($token) && $token != '') {
            // load previous answers if any (dataentry with nosubmit)
            $sQuery = "SELECT id,submitdate,lastpage FROM {$thissurvey['tablename']} WHERE {$thissurvey['tablename']}.token='{$token}' order by id desc";
            $aRow = Yii::app()->db->createCommand($sQuery)->queryRow();
            if ($aRow) {
                if ($aRow['submitdate'] == '' && $thissurvey['tokenanswerspersistence'] == 'Y' || $aRow['submitdate'] != '' && $thissurvey['alloweditaftercompletion'] == 'Y') {
                    $_SESSION['survey_' . $surveyid]['srid'] = $aRow['id'];
                    if (!is_null($aRow['lastpage']) && $aRow['submitdate'] == '') {
                        $_SESSION['survey_' . $surveyid]['LEMtokenResume'] = true;
                        $_SESSION['survey_' . $surveyid]['step'] = $aRow['lastpage'];
                    }
                }
                buildsurveysession($surveyid);
                loadanswers();
            }
        }
        // Preview action : Preview right already tested before
        if ($previewmode) {
            // Unset all SESSION: be sure to have the last version
            unset($_SESSION['fieldmap-' . $surveyid . $clang->langcode]);
            // Needed by createFieldMap: else fieldmap can be outdated
            unset($_SESSION['survey_' . $surveyid]);
            if ($param['action'] == 'previewgroup') {
                $thissurvey['format'] = 'G';
            } elseif ($param['action'] == 'previewquestion') {
                $thissurvey['format'] = 'S';
            }
            buildsurveysession($surveyid, true);
        }
        sendCacheHeaders();
        //Send local variables to the appropriate survey type
        unset($redata);
        $redata = compact(array_keys(get_defined_vars()));
        Yii::import('application.helpers.SurveyRuntimeHelper');
        $tmp = new SurveyRuntimeHelper();
        $tmp->run($surveyid, $redata);
        if (isset($_POST['saveall']) || isset($flashmessage)) {
            echo "<script type='text/javascript'> \$(document).ready( function() { alert('" . $clang->gT("Your responses were successfully saved.", "js") . "');}) </script>";
        }
    }