Redirecting/Using rails application for different Domains

I was Wondering how to use my Rails application to redirect to two URLs .My application should be used on two domains with one server and one database at my back end with single application. I faced this scenario when i was working for an onsite project.

going into details…

when we hit on domain1 say http://www.domain1.com the app should redirect to controller => :home, action => :home an when we hit on domain2 say http://www.domain2.com the app should redirect to controller => :account, :action => :login. This is the actual scenario that we were looking

The major part of the code handles with Routes.rb and Environment.rb.

First write a method in application.rb/application_helper.rb to deferentiate any css/images/links visible on that domains

let us say in application.rb the code looks like

# check Whois Domain Name
# Domain name will be domain1.com or domain2.com based on the request

def check_domain?

if request.domain == “domain1.com”

login_required

elsif request.domain ==”domain2.com”

# login not required

end

and finally add the code in your application to differntiate URls

# in config/routes.rb
map.connect '', :controller => 'domain_tests', :action => 'domain1', :conditions => {:domain => "domain1"}
map.connect '', :controller => 'domain_tests', :action => 'domain2', :conditions => {:domain => "domain2"}

# in config/environment.rb after the initialize section
module ActionController
  module Routing
    class RouteSet
      def extract_request_environment(request)
        { :method => request.method, :domain => request.domain.split('.').first }
      end
    end
    class Route
      alias_method   ld_recognition_conditions, :recognition_conditions
      def recognition_conditions
        result = old_recognition_conditions
        result << "conditions[:hostname] === env[:hostname]" if conditions[:hostname]
        result
      end
    end
  end
end

# courtesy of http://www.smallroomsoftware.com/articles/2007/2/10/rails-routing-based-on-hostname

# in app/domain_tests_controller.rb
def domain1
  render :text => "you've hit domain one"
end

def domain2
  render :text => "you've hit domain two"
end

Finally we are done and this works in Production pretty good !!!
Test it in your app's and get me a feedback ..ciao

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