Rails - Aug 2008 - activeresource: self.prefix = .../:id/... (need to set :id?)

Hi All

As I mentioned in my title I''m using activeresource and the model
I''m
using has the following prefix

self.prefix = ''/institute/:institute_id/services/:service_id/''

All this is great, however I''m now in a situation where I need to save
the model, but it translate the prefix as follows

/providers/983783784/services//appointments/234234234

So, the :service_id is unknown and is not part of the prefix.

Here is the save command:

@myModel.save(:params => {:a => {:service => %w(mylink)}, :user_id
=>
current_user.id})

I''m not an activeresource expert so I''m not really sure whats
going on
here.
Is :a something activeresource understands (or maybe a hack of the
application) ?

Furthermore, suppose I have the service_id in a variable (@service_id),
how do I add this to this method ?
I''ve tried things like:


@myModel.save(:params => {:a => {:service => %w(mylink)}, :user_id
=>
current_user.id, :service_id => 123})

but it didn''t fix it (I guess the stuff with the :a doesn''t
work)

Thnx a lot
Luca

ps: links to useful docs would be helpful too!!
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