mvc – Easy Rails Issue: Global User Variable?

I have a bunch of different controllers, and I want to be able to do the standard \”Welcome, User.\” How do I assign the user variable to make it possible to access from any controller?

Here\’s what I have so far in the application controller:

class ApplicationController < ActionController::Base
    before_filter :authorize

  protect_from_forgery

    private

        def current_user
            User.find(session[:user_id])
        end

  protected

    def authorize
        unless User.find_by_id(session[:user_id])
            redirect_to login_url, :notice => \"Please Login\"
        end
    end
end

Here\’s my application.html.haml file:

!!!
%html
    %head
        %title Pears
        = stylesheet_link_tag    \"application\", :media => \"all\"
        = javascript_include_tag \"application\"
        = csrf_meta_tags
    %body
        %header
            = link_to(\'Home\', \'/\')
            - if session[:user_id]
                Welcome, 
                = current_user.firstname
                = link_to(\'Logout\', logout_path, method: :delete)
            - else
                = link_to(\'Login\', login_path)
                = link_to(\'Signup\', signup_path)
        = yield

What\’s the best approach?

Thanks!

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