public static function importXML(&$import, $options = array())
{
if (!isset(self::$questionnaireTable)) {
self::$questionnaireTable = QFrame_Db_Table::getTable('questionnaire');
}
libxml_use_internal_errors(true);
if (is_a($import, 'ZipArchiveModel')) {
$zip =& $import;
$xml = $import->getQuestionnaireDefinitionXMLDocument();
if ($xml === NULL) {
$xml = $import->getInstanceFullResponsesXMLDocument();
}
if ($xml === NULL) {
throw new Exception('Questionnaire definition not found in zip archive');
}
$dom = new DOMDocument();
$dom->loadXML($xml);
} elseif (is_a($import, 'DOMDocument')) {
$dom =& $import;
$xml = $dom->saveXML();
} else {
$xml =& $import;
$dom = new DOMDocument();
$dom->loadXML($xml);
}
$errors = libxml_get_errors();
try {
$logger = Zend_Registry::get('logger');
} catch (Zend_Exception $e) {
}
foreach ($errors as $error) {
$message = rtrim("XML error on line {$error->line} of {$error->file}: {$error->message}");
if (isset($logger) && $logger) {
$logger->log($message, Zend_Log::ERR);
}
error_log($message);
}
if (count($errors) > 0) {
throw new Exception('XML Exception');
}
self::validateQuestionnaireDefinitionXML($dom);
$questionnaire = $dom->getElementsByTagName('questionnaire')->item(0);
$questionnaireName = $questionnaire->getAttribute('questionnaireName');
$questionnaireVersion = $questionnaire->getAttribute('questionnaireVersion');
$revision = $questionnaire->getAttribute('revision');
$transactionNumber = self::startSerializableTransaction();
if (isset($options['SkipQuestionnaireExistCheck'])) {
$signature = 'nosignature';
} else {
$questionnaireID = self::$questionnaireTable->getQuestionnaireID($questionnaireName, $questionnaireVersion, $revision);
$signature = self::generateSignature($dom);
if (isset($questionnaireID)) {
$prevQuestionnaire = new QuestionnaireModel(array('questionnaireID' => $questionnaireID, 'depth' => 'questionnaire'));
if ($signature === $prevQuestionnaire->signature) {
$message = "Skipping questionnaire import since {$questionnaireName} {$questionnaireVersion} {$revision} already exists and has the same signature";
if (isset($logger) && $logger) {
$logger->log($message, Zend_Log::ERR);
}
self::dbCommit($transactionNumber);
return $questionnaireID;
} else {
throw new Exception('A questionnaire with the same name, version, and revision already exists with different content');
}
}
}
$questionnaireID = self::$questionnaireTable->insert(array('questionnaireName' => $questionnaireName, 'questionnaireVersion' => $questionnaireVersion, 'revision' => $revision, 'signature' => $signature));
$questionnaire = new QuestionnaireModel(array('questionnaireID' => $questionnaireID, 'depth' => 'questionnaire'));
$questionnaire->validateQuestionnaireDefinitionXML($dom);
// store files
if (!isset($options['SkipFileAttachments'])) {
$questionnaire->questionnaireDefinition2responseSchema($dom);
$questionnaire->questionnaireDefinition2completedResponseSchema($dom);
$files = new FileModel($questionnaire);
$files->store($xml, array('filename' => 'questionnaire-definition.xml'));
}
self::dbCommit($transactionNumber);
if (!isset($options['SkipQuestionnaireExistCheck']) && !$questionnaire->getDefaultInstance()) {
InstanceModel::importXML($xml, '_default_', array('hidden' => 1));
}
return $questionnaireID;
}
