[Catalyst] Chaining on complex PathParts

[Darius Jokilehto]

On Tue, Jan 06, 2009 at 12:36:05PM -0500, Eric Wright wrote:
> Hiya folks,
> 
> I just started playing around with chaining and it's very cool. However, I'm
> encountering difficulty with getting something to work the way I want where I
> have different actions at different path depths. Is there something about
> chaining that I don't understand?
> 
> The following does what I would expect:
> 

< snip >

> sub hello : PathPart('prefix/hello') Chained('/') CaptureArgs(1) {
>   my ( $self, $c, $integer ) = @_;
>   $c->stash->{ message } = "Hello ";
>   $c->stash->{ arg_sum } = $integer;
> }
> 
> #   this is our endpoint, because it has no :CaptureArgs
> sub world : PathPart('world') Chained('prefix/hello') Args(0) {
>   my ( $self, $c, $integer ) = @_;
>   $c->stash->{ message } .= "World!";
>  
>   $c->response->body( join "<br/>\n" =>
>       $c->stash->{ message }, $c->stash->{ arg_sum } );
> }
> 
> In this example all I've done is add "prefix" to the path. In this scenario I
> can request:
> 
> /prefix/hello/1 (which again fires just_hello)
> /prefix/hello/1/world (FAILS!)
> 
> Is it not possible to define chains in this way? Or am I just missing something
> obvious here?
> 
> Thanks in advance for any insight anyone may have into this.
> 
> -Eric
> 

Hey Eric,

You need to chain on the sub name as opposed to the path part, so in your
case:

sub world : PathPart('world') Chained('hello') Args(0) {
}

D

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