/**
* Posts a new message to the conversation
* @param $conversationId int the id of the conversation
* @param $message string the content of the message
*/
public function newMessage($conversationId, $message)
{
try {
DatabaseProvider::connection()->beginTransaction();
DatabaseProvider::connection()->execute(self::UPDATE_MESSAGE_POSTED, ['message' => $message, 'conversation' => $conversationId, 'user' => Authentication::getInstance()->getUserId()]);
$userModel = new UserModel();
$doc = new \DOMDocument();
$doc->load($this->conversationFolder . $conversationId . '.xml');
$messageNode = $doc->createElement('message');
$messageNode->appendChild($doc->createElement('author', Authentication::getInstance()->getUserId()));
$messageNode->appendChild($doc->createElement('authorName', $userModel->getUserFullName(Authentication::getInstance()->getUserId())));
$messageNode->appendChild($doc->createElement('date', date('c')));
$contentNode = $doc->createElement('content');
$contentNode->appendChild($doc->createCDATASection($message));
$messageNode->appendChild($contentNode);
$doc->firstChild->appendChild($messageNode);
$doc->save($this->conversationFolder . $conversationId . '.xml');
DatabaseProvider::connection()->commit();
} catch (Exception $e) {
DatabaseProvider::connection()->rollBack();
throw $e;
}
}