User information

app/controllers/confirmations_controller.rb

 class ConfirmationsController < Devise::ConfirmationsController
+  def update_confirm
+    @user = User.find(params[:id])
+    if @user.save
+      set_flash_message!(:notice, :confirmed)
+      redirect_to edit_user_registration_path(resource_name, resource)
+    else
+      respond_with_navigational(resource.errors, status: :unprocessable_entity){ render :new }
+    end
+  end
+
+  # GET /resource/confirmation?confirmation_token=abcdef
+def show
+  self.resource = resource_class.confirm_by_token(params[:confirmation_token])
+  yield resource if block_given?
+
+  if resource.errors.empty?
+    set_flash_message!(:notice, :confirmed)
+    respond_with_navigational(resource){ render 'devise/confirmations/information', resource: resource }
+  else
+    respond_with_navigational(resource.errors, status: :unprocessable_entity){ render :new }
+  end
+end
 
   protected
 
   def after_confirmation_path_for(resource_name, resource)
-    registrations_information_path(resource)
+    render 'devise/confirmations/information', resource: resource
   end
 end

app/controllers/registrations_controller.rb

 class RegistrationsController < Devise::RegistrationsController
 
-  def information
-    render 'devise/registrations/information'
-  end
-
   protected
 
   def after_sign_up_path_for(resource)

app/views/devise/registrations/information.html.erb → app/views/devise/confirmations/information.html.erb

@@ -2,12 +2,13 @@
 <div class="well">
   <h2>Register</h2>
 
-  <%= form_for(resource, as: resource_name, url: registration_path(resource_name), html: { method: :put }) do |f| %>
+  <%= form_for(resource, url: confirmations_update_confirm_path, html: { method: :post }) do |f| %>
     <%= devise_error_messages! %>
 
     <div class="form-group">
       <%= f.label :email %>
       <%= f.email_field :email, autofocus: true, class: 'form-control' %>
+      <%= f.hidden_field :id %>
     </div>
 
     <div class="form-group">

config/routes.rb

@@ -7,7 +7,7 @@ Rails.application.routes.draw do
 
   resource :cities
   devise_scope :user do
-    get '/registrations/information', to: 'registrations#information'
+    post '/confirmations/update_confirm', to: 'confirmations#update_confirm'
   end
   devise_for :users, controllers: { registrations: 'registrations',
                                     confirmations: 'confirmations' }