Nested Models

OK, so I'm asking lots of questions today...but I really want to
learn! :)

Anyway, I'm trying to create messages that can be left with a
contract.

So, I have a Contract model that has the following fields: id, some
other contract pertinent info. And, a Message model that has the
following fields: id, contract_id, title, message_text. A Contract has
many message, and a message belongs to a given contract.

Now, when I display a contract, I want a link that takes the user to a
page full of messages specific to that contract. Once at the message
page, they should be able to add a new message, or view existing
messages. Viewing existing messages is easy, as far as I understand
it. I'm already doing the same thing all over my application! But,
creating new messages from this page is something I'm unsure of. How
do I go about that? How do I store the contract_id in the view so that
whenever I click "Add new contract" it automatically associates the
message with the contract. And, so that the user can't accidentally
add the message to a different contract.

I'm thinking that a url that looks like: <a href="#">http://
www.application.com/contract/1/message/add</a> where 1 is the
contract_id) makes the most sense. I could do this in rails in a few
seconds...but I can't seem to find a way to do it in CakePHP. The only
thing I can come up with is: <a href="#">http://www.application.com/
message/add/1</a> (where 1 is the contract_id).

Am I missing something?

Any help would be appreciated!

Thanks,

Jeremiah

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