/**
* This function imports a LimeSurvey .lsq question XML file
*
* @param mixed $sFullFilePath The full filepath of the uploaded file
* @param mixed $iNewSID The new survey id
* @param mixed $newgid The new question group id -the question will always be added after the last question in the group
*/
function XMLImportQuestion($sFullFilePath, $iNewSID, $newgid)
{
$clang = Yii::app()->lang;
$aLanguagesSupported = array();
// this array will keep all the languages supported for the survey
$sBaseLanguage = Survey::model()->findByPk($iNewSID)->language;
$aLanguagesSupported[] = $sBaseLanguage;
// adds the base language to the list of supported languages
$aLanguagesSupported = array_merge($aLanguagesSupported, Survey::model()->findByPk($iNewSID)->additionalLanguages);
$sXMLdata = file_get_contents($sFullFilePath);
$xml = simplexml_load_string($sXMLdata, 'SimpleXMLElement', LIBXML_NONET);
if ($xml->LimeSurveyDocType != 'Question') {
safeDie('This is not a valid LimeSurvey question structure XML file.');
}
$iDBVersion = (int) $xml->DBVersion;
$aQIDReplacements = array();
$aSQIDReplacements = array(0 => 0);
$results['defaultvalues'] = 0;
$results['answers'] = 0;
$results['question_attributes'] = 0;
$results['subquestions'] = 0;
$importlanguages = array();
foreach ($xml->languages->language as $language) {
$importlanguages[] = (string) $language;
}
if (!in_array($sBaseLanguage, $importlanguages)) {
$results['fatalerror'] = $clang->gT("The languages of the imported question file must at least include the base language of this survey.");
return $results;
}
// First get an overview of fieldnames - it's not useful for the moment but might be with newer versions
/*
$fieldnames=array();
foreach ($xml->questions->fields->fieldname as $fieldname )
{
$fieldnames[]=(string)$fieldname;
};*/
// Import questions table ===================================================================================
// We have to run the question table data two times - first to find all main questions
// then for subquestions (because we need to determine the new qids for the main questions first)
$query = "SELECT MAX(question_order) AS maxqo FROM {{questions}} WHERE sid={$iNewSID} AND gid={$newgid}";
$res = Yii::app()->db->createCommand($query)->query();
$resrow = $res->read();
$newquestionorder = $resrow['maxqo'] + 1;
if (is_null($newquestionorder)) {
$newquestionorder = 0;
} else {
$newquestionorder++;
}
foreach ($xml->questions->rows->row as $row) {
$insertdata = array();
foreach ($row as $key => $value) {
$insertdata[(string) $key] = (string) $value;
}
$iOldSID = $insertdata['sid'];
$insertdata['sid'] = $iNewSID;
$insertdata['gid'] = $newgid;
$insertdata['question_order'] = $newquestionorder;
$oldqid = $insertdata['qid'];
unset($insertdata['qid']);
// save the old qid
// now translate any links
$insertdata['title'] = translateLinks('survey', $iOldSID, $iNewSID, $insertdata['title']);
$insertdata['question'] = translateLinks('survey', $iOldSID, $iNewSID, $insertdata['question']);
$insertdata['help'] = translateLinks('survey', $iOldSID, $iNewSID, $insertdata['help']);
// Insert the new question
if (isset($aQIDReplacements[$oldqid])) {
$insertdata['qid'] = $aQIDReplacements[$oldqid];
}
$ques = new Question();
if ($insertdata) {
XSSFilterArray($insertdata);
}
foreach ($insertdata as $k => $v) {
$ques->{$k} = $v;
}
$result = $ques->save();
if (!$result) {
$results['fatalerror'] = CHtml::errorSummary($ques, $clang->gT("The question could not be imported for the following reasons:"));
return $results;
}
if (!isset($aQIDReplacements[$oldqid])) {
$newqid = getLastInsertID($ques->tableName());
$aQIDReplacements[$oldqid] = $newqid;
// add old and new qid to the mapping array
}
}
// Import subquestions --------------------------------------------------------------
if (isset($xml->subquestions)) {
foreach ($xml->subquestions->rows->row as $row) {
$insertdata = array();
foreach ($row as $key => $value) {
$insertdata[(string) $key] = (string) $value;
}
$insertdata['sid'] = $iNewSID;
$insertdata['gid'] = $newgid;
$oldsqid = (int) $insertdata['qid'];
unset($insertdata['qid']);
// save the old qid
$insertdata['parent_qid'] = $aQIDReplacements[(int) $insertdata['parent_qid']];
// remap the parent_qid
// now translate any links
$insertdata['question'] = translateLinks('survey', $iOldSID, $iNewSID, $insertdata['question']);
if (isset($insertdata['help'])) {
$insertdata['help'] = translateLinks('survey', $iOldSID, $iNewSID, $insertdata['help']);
}
if (isset($aQIDReplacements[$oldsqid])) {
$insertdata['qid'] = $aQIDReplacements[$oldsqid];
}
if ($insertdata) {
XSSFilterArray($insertdata);
}
$ques = new Question();
foreach ($insertdata as $k => $v) {
$ques->{$k} = $v;
}
$result = $ques->save();
$newsqid = getLastInsertID($ques->tableName());
if (!isset($insertdata['qid'])) {
$aQIDReplacements[$oldsqid] = $newsqid;
// add old and new qid to the mapping array
}
$results['subquestions']++;
}
}
// Import answers --------------------------------------------------------------
if (isset($xml->answers)) {
foreach ($xml->answers->rows->row as $row) {
$insertdata = array();
foreach ($row as $key => $value) {
$insertdata[(string) $key] = (string) $value;
}
$insertdata['qid'] = $aQIDReplacements[(int) $insertdata['qid']];
// remap the parent_qid
// now translate any links
$answers = new Answer();
if ($insertdata) {
XSSFilterArray($insertdata);
}
foreach ($insertdata as $k => $v) {
$answers->{$k} = $v;
}
$result = $answers->save();
$results['answers']++;
}
}
// Import questionattributes --------------------------------------------------------------
if (isset($xml->question_attributes)) {
$aAllAttributes = questionAttributes(true);
foreach ($xml->question_attributes->rows->row as $row) {
$insertdata = array();
foreach ($row as $key => $value) {
$insertdata[(string) $key] = (string) $value;
}
unset($insertdata['qaid']);
$insertdata['qid'] = $aQIDReplacements[(int) $insertdata['qid']];
// remap the parent_qid
if ($iDBVersion < 156 && isset($aAllAttributes[$insertdata['attribute']]['i18n']) && $aAllAttributes[$insertdata['attribute']]['i18n']) {
foreach ($importlanguages as $sLanguage) {
$insertdata['language'] = $sLanguage;
$attributes = new QuestionAttribute();
if ($insertdata) {
XSSFilterArray($insertdata);
}
foreach ($insertdata as $k => $v) {
$attributes->{$k} = $v;
}
$result = $attributes->save();
}
} else {
$attributes = new QuestionAttribute();
if ($insertdata) {
XSSFilterArray($insertdata);
}
foreach ($insertdata as $k => $v) {
$attributes->{$k} = $v;
}
$result = $attributes->save();
}
$results['question_attributes']++;
}
}
// Import defaultvalues --------------------------------------------------------------
if (isset($xml->defaultvalues)) {
$results['defaultvalues'] = 0;
foreach ($xml->defaultvalues->rows->row as $row) {
$insertdata = array();
foreach ($row as $key => $value) {
$insertdata[(string) $key] = (string) $value;
}
$insertdata['qid'] = $aQIDReplacements[(int) $insertdata['qid']];
// remap the qid
$insertdata['sqid'] = $aSQIDReplacements[(int) $insertdata['sqid']];
// remap the subquestion id
// now translate any links
$default = new DefaultValue();
if ($insertdata) {
XSSFilterArray($insertdata);
}
foreach ($insertdata as $k => $v) {
$default->{$k} = $v;
}
$result = $default->save();
$results['defaultvalues']++;
}
}
LimeExpressionManager::SetDirtyFlag();
// so refreshes syntax highlighting
$results['newqid'] = $newqid;
$results['questions'] = 1;
$results['labelsets'] = 0;
$results['labels'] = 0;
return $results;
}