Where to override current_user helper method of devise gem

authentication, devise, ruby-on-rails-3, ruby-on-rails-3.1, rubygems

Solution

According to the module Devise::Controllers::Helpers, `current_user` (together with all other devise helpers) is added to ApplicationController, which means that you can override it in this way:

# in application_controller.rb

def devise_current_user
  @devise_current_user ||= warden.authenticate(scope: :user)
end

def current_user
  if params[:user_id].blank?
    devise_current_user
  else
    User.find(params[:user_id])
  end   
end

Problem

How can i override current_user of devise gem. Actually I need to add web services for mobile-app. Currently devise is managing session and 'current_user' for web-application. Now Mobile app will send user_id to the server. I need to override current user like this ``` def current_user if params[:user_id].blank? current_user else User.find(params[:user_id]) end end ``` Should I need to modify devise gem as plugin ? or something else ? Kindly explain in detail as I am new in rails. Kind regards,

Original source