moving to nested routes

I have a lot of has_many and has_many :through relationships in an
application with approx 100 models. I would like to move to nested
routes, but I just wanted to be sure I understood the scope of the
project. Essentially, I see this as two tasks:

1.) modify config/routes.rb such that my relationships are expressed
in nested route statements
2.) modify every route reference in a link_to etc to use the new
nested route name (instead of new_ip_address, I'd have
new_network_ip_address etc.)

Is that about it?

chewmanfoo wrote:

I have a lot of has_many and has_many :through relationships in an
application with approx 100 models. I would like to move to nested
routes, but I just wanted to be sure I understood the scope of the
project. Essentially, I see this as two tasks:

1.) modify config/routes.rb such that my relationships are expressed
in nested route statements
2.) modify every route reference in a link_to etc to use the new
nested route name (instead of new_ip_address, I'd have
new_network_ip_address etc.)

Is that about it?

typically you would also have to slightly modify your controllers:
instead of
  @ip_address = IpAddress.new
you should use
  @network = Network.find(params[:network_id])
  @ip_address = @network.ip_adresses.build

and instead of
  @ip_address = IpAddress.find(params[:id])
use
  @network = Network.find(params[:network_id])
  @ip_address = @network.ip_adresses.find(params[:id])

this isn't really necessary, but this way rails will take care of the
association (e.g. automatically assign :network_id when you call build)

and you may also have to modify forms, like form_for [@network,
@ip_address]