On 13 June 2010 14:20, Matt <macourt...@gmail.com> wrote:
> Yesterday morning, I took one more look at Leiningen for Conjure.
> After a few false starts and build hacking, I had exactly the same
> idea for a Conjure plugin for Leiningen. I've started breaking Conjure
> into two jars, conjure.jar which will be all the base libraries for
> Conjure, and lein-conjure.jar which will be the Conjure Leiningen
> plugin.
That sounds good!
> I checked out clout, and found I couldn't use it. Maybe I don't know
> exactly how it works, but I would like to define routes with something
> like Rails old "/:controller/:action/:id", but clout seemed to require
> something more like "/book/:id" where book would then be hard coded to
> the book controller and the action could be figured out from the
> request method. Though this is somewhat closer to how Rails works now,
> it isn't very useful for me. Am I missing something, or is that how
> you designed it? How would the Rails route: "/book/1/edit" work?
I think you're missing something :)
Clout is a very low level library. It matches routes using a
Rails-like routing syntax, but it doesn't do anything more than that.
You can match routes like "/book/:id", but you can also match routes
like "/:controller/:action/:id".
user=> (use 'clout.core)
nil
user=> (route-matches "/:controller/:action/:id" "/book/edit/1")
{"id" "1", "action" "edit", "controller" "book"}
It uses strings instead of keywords, because that ties into Ring
parameters better. I may change this in future to keywords; I'm not
sure which is best at the moment.
In any case, you could write a Ring handler function something like this:
(defvar- main-route
(route-compile "/:controller/:action/:id"))
(defn conjure-handler [request]
(if-let [route-params (route-matches main-route request)]
(let [params (merge (request :params) route-params)
action (find-action (params "controller") (params "action"))
request (assoc request :params params)]
(run-action action request))
(page-not-found request)))
Using this scheme, you get similar behaviour to Rails, and it opens up
the possibility of custom routes.
- James
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