[Catalyst] Root.pm $c->detach() does not detach?

[Brian Kirkbride]

Luis Azevedo wrote:
> Hi All,
> 
> In Root.pm, "auto" action I am trying to break the execution of chain of 
> Actions.
> 
> To be more exact, whenever I detect I loose connection to a socket or cookie 
> session, I want to redirect the user to a login action, not rendering the 
> action the user is calling.
> 
> I know I can make a simple $c->res->redirect() but the problem is I need to 
> show a message in the login page telling the reason for the "logout". Usually 
> I am passing messages trough Stash. Redirecting to the Login page needs to 
> pass message somehow (through GET or POST, therefore not so beautiful s).
> 
> I have tried to detach the /login action,  in "auto" action from Root.pm 
> controller,  but it is not working and I don't know why. See the actions 
> chain:
> | /auto                                                          
> |  -> /login/index                                           
> | /about/index                                               
> | /end                                                           
> 
> The user called the /about action.
> 
> Can I break the chain somehow in Root.pm, "auto" action?
> 
> Thanks in advance,
> 


I think what you want is something like

	if (!$logged_in) {
		$c->action(undef);
		$c->detach('/login');
	}

Setting the action to undef in an auto sub will prevent the normal dispatch of 
the request.

Best,
Brian