[Catalyst] Quesion about Chaining usage

[John Napiorkowski]

Just as an update, I am guessing it's something do to
with the PathPart usage in my example.  I'm setting
most of them blank, since I'm looking for simple
chains of ids in my url like so:

/feedrolls/[feedroll_id]/[feed_id]

Now if I set all the PathParts to their defaults I get
urls like:

/feedrolls/feedroll/1/feedroll_list

And it works in the manner I want without error, just
that I want cleaner looking URLS.  Suggestions
appreciated!

--john

--- John Napiorkowski <jjn1056 at yahoo.com> wrote:

> I've notices what I think is somewhat strange
> behavior
> in a chain I've created, although as usual it might
> just be my ignorance.  Here's is a skeleton of the
> chain I made:
> 
> package myapp::Controller::Feedrolls
> 
> sub feedrolls :Chained('/') CaptureArgs(0){}
> 
> sub feedrolls_all :Chained('feedrolls') PathPart('')
> Args(0) {}
> 
> sub feedroll :Chained('feedrolls') PathPart('')
> CaptureArgs(1) { my ($self, $c, $captured) = @_; }
> 
> sub feedroll_all :Chained('feedroll') PathPart('')
> Args(0) {}
> 
> When I run catalyst I get a mapping like this:
> 
> (1) /feedrolls/*
> (2) /feedrolls
> 
> (1) chains from feedrolls to feedroll to
> feedroll_all
> and (2) chains from feedrolls to feedrolls_all.
> 
> Okay so far so good.  However when I try to call the
> action through the browser at
> "http://localhost/feedrolls" I get an error about
> the
> $captured variable being undefined, which is strange
> to me since I am thinking that to get to the
> containing sub I need to use an action link
> "/feedrolls/[feedroll_id]".  When I look at the
> debug
> output to see what is getting called I can see that
> indee that chain is going from feedrolls to feedroll
> to feedroll_all instead of from feedrolls to
> feedrolls
> all.
> 
> What is even stranger is that if I change the sub:
> 
> sub feedroll :Chained('feedrolls') PathPart('')
> CaptureArgs(1) { my ($self, $c, $captured) = @_; }
> 
> to 
> 
> sub feedroll :Chained('feedrolls') PathPart('')
> Args(1) { my ($self, $c, $captured) = @_; }
> 
> and handle all the processing there instead of the
> way
> I outlined it above, everything works as expected.
> 
> So there seems to be something strange here, since
> merely terminating the chain one sub earlier changes
> the ways things get called quite a bit.
> 
> So... Can anyone spot if there is something wrong in
> the way I am doing this?
> 
> --john
> 
> 
> 
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