Adding Rails Devise Confirmable module to a non-user model so that it can be confirmed

setup to make non-user model confirmable using rails devise

Use Case - Use Devise Confirmable module to confirm newly added organization(org) using email(association)

We want Three things to work - 
     Use confirmable - send_confirmation_instructions to send email when new org is added
     Define Routes - organization_confirmation_url, so that user can use this route to confirm the org
     Add confirmable columns inside existing organizations table, update token,timestamps on db
     
====== HERE WE START =========     
- `organization.rb`
	has_one :contact_detail ##contains email
  devise :confirmable
  after_commit :send_verification_email_to_the_organization, on: :create
  
  private
  
	def send_verification_email_to_the_organization
		self.send_confirmation_instructions.deliver
	end  
        ##use to bypass devise looking for email within the current model,
	def will_save_change_to_email?
		false
	end	    
  
        ##behaves like model has an email attribute too
 	attr_accessor :email
	def email
		self.contact_detail&.primary_email
	end
  
- `routes.rb`

  devise_for :organizations,:controllers => { 
    :confirmations =>  "organizations/confirmations", 
   
  } 
  
  - creating new controller at controllers/organizatons/confirmations_controller.rb
     ##no methods needed, Devise will do the job 
     class Organizations::ConfirmationsController < Devise::ConfirmationsController
     
     end

- `migration to add new confirmable columns to organizations table`
    add_column :organizations, :confirmation_token, :string
    add_column :organizations, :confirmed_at, :datetime
    add_column :organizations, :confirmation_sent_at, :datetime
    add_column :organizations, :unconfirmed_email, :string    
    
===== thats it====
on Rails Console, you may directly test the above setup=
o=Organization.first
o.send_confirmation_instructions.deliver
###this will update confirmation_token, confirmation_sent_at and email will be send from Devise::Mailer#confirmation_instructions with the default template 
containing organization_confirmation_url(:token =< "asdfjkadxfkldsj").
##when user will click on the confirmation link, it will land on the newly created organizations/confirmations#show action, which is 
already defined in the Parent class of Devise::ConfirmationsController.You may also think of adding after_confirmation_path_for(resource_name, resource) method in 
controller to decide what to do after successful confirmation of org
==== Hope this helps ============