Subdomain routing in application controller

gistfile1.txt

class ApplicationController < ActionController::Base
  before_filter :init

  def init
    @current_user = current_user if current_user
    domain_data   = request.host.split(".")

    ignored_subdomains = ["www"]

    if domain_data.count == 3
      context = domain_data[0]
    end

    if request.format.json?
      @portal = @current_user.partner
    elsif context && !ignored_subdomains.include?(context)
      @portal = Partner.where("subdomain = ?", context).first
    end

    if @current_user && (@current_user.admin? || (@portal && @portal == @current_user.partner))
      @portal_access = true
    elsif @current_user && params[:controller] != "sessions" && !request.format.json?
      @portal_access = false
    end
  end
end