public function handleAction($body)
{
// all commands start with a bang and separated from the body by a newline
// to make sure that actual feedback text couldn't trigger an action.
// unrecognized commands will be parsed as part of the comment.
$command = DifferentialAction::ACTION_COMMENT;
$supported_commands = $this->getSupportedCommands();
$regex = "/\\A\n*!(" . implode('|', $supported_commands) . ")\n*/";
$matches = array();
if (preg_match($regex, $body, $matches)) {
$command = $matches[1];
$body = trim(str_replace('!' . $command, '', $body));
}
$actor = $this->getActor();
if (!$actor) {
throw new Exception('No actor is set for the reply action.');
}
switch ($command) {
case 'unsubscribe':
$this->unsubscribeUser($this->getMailReceiver(), $actor);
// TODO: Send the user a confirmation email?
return null;
}
try {
$editor = new DifferentialCommentEditor($this->getMailReceiver(), $actor->getPHID(), $command);
// NOTE: We have to be careful about this because Facebook's
// implementation jumps straight into handleAction() and will not have
// a PhabricatorMetaMTAReceivedMail object.
if ($this->receivedMail) {
$editor->setParentMessageID($this->receivedMail->getMessageID());
}
$editor->setMessage($body);
$editor->setAddCC($command != DifferentialAction::ACTION_RESIGN);
$comment = $editor->save();
return $comment->getID();
} catch (Exception $ex) {
$exception_mail = new DifferentialExceptionMail($this->getMailReceiver(), $ex, $body);
$exception_mail->setToPHIDs(array($this->getActor()->getPHID()));
$exception_mail->send();
throw $ex;
}
}
