Accessing Subdomain in Rails3 model

I'm working to get into my model a request for the subdomain.

So basically I have a habtm association, which I need to ask, if my subdomain is found in the association. So in the user model -

def subdomain
  "subdomain"
end

def owner
   self.accounts.find_by_subdomain(subdomain)
开发者_JAVA百科end

If it is found, then I have permission to do stuff as the subdomain owner. But no matter how I can't figure out how to have the model access the subdomain

So basically I'm not sure how to pull "subdomain" from the controller / URI into the model. Thanks!

In your controller (or views for that matter) you can use something like request.host.split('.')[0] to get the host and parse out the subdomain.