application_controller.rb

class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception
  before_filter :get_fbo

  def after_sign_in_path_for(resource)
    if current_user && current_user.admin
      fbos_path
    elsif current_user && !current_user.admin && !current_user.truck_id
      orders_path
    else
      truck_index_path
    end
  end

  private
    def get_fbo
      if current_user && !current_user.admin
        current_user_domain = current_user.fbo.domain_name

        if current_user_domain == request.subdomain
          fbos = Fbo.where(domain_name: request.subdomain)

          if fbos.count > 0
            @fbo = fbos.first
          elsif request.subdomain != 'www'
            redirect_to root_url(subdomain: 'www')
          end

        else
          redirect_to subdomain: current_user_domain
        end

      elsif request.subdomain != 'www'
        redirect_to root_url(subdomain: 'www')
      end
    end

end