basic layout template

app/controllers/application_controller.rb

@@ -1,3 +1,25 @@
 class ApplicationController < ActionController::Base
+  #before_action :check_installation
   protect_from_forgery with: :exception
+
+  helper_method :current_company
+
+  #this is base api base controller to need to inherit.
+  #all token authentication must be done here
+  #response format must be set to JSON
+  def current_company
+    begin
+     return Company.first
+    rescue
+      return nil
+    end
+
+  end
+
+  private
+  def check_installation
+    if current_company.nil?
+      redirect_to install_path
+    end
+  end
 end