If you need assistance setting up devise, please read Rails Tutorial: Authentication with Devise.

Generate RegistrationsController

To customize devise, you should first generate a RegistrationsController which inherits from devise:

class RegistrationsController < Devise::RegistrationsController

end

Modify Devise Routes

In routes.rb, add the appropriate devise routes. If you have already set up devise, you should have the following in routes.rb: devise_for :users. You will want to change this to:

devise_for :users, :controllers => { registrations: 'registrations' }

Make sure this appears before your other user routes. For example, if this appears after resources :users, your router may generate an error when you attempt to visit URLs such as /users/sign_in, as it will be looking for a user with the id “sign_in”.

Customize Devise Form

The default devise registration includes an email and password. If you want to add additional information to your devise form, such as a first name and last name, you should first make sure these attributes have been added to your user model. If they have not, you will want to generate a migration to add these attributes.

Once these attributes have been added, you want to include these params in your RegistrationsController:

class RegistrationsController < Devise::RegistrationsController

  private

    # Modified Devise params for user login
    def sign_up_params
      params.require(:user).permit(:first_name, :last_name, :email, :password, :password_confirmation)
    end

end

You may now customize your devise registration form to include these fields in views/devise/registrations/new.html.erb:

<%= form_for(resource, as: resource_name, url: registration_path(resource_name)) do |f| %>
  <%= devise_error_messages! %>

  <div><%= f.label :email %><br />
  <%= f.email_field :email, autofocus: true %></div>

  <div><%= f.label :password %><br />
    <%= f.password_field :password, autocomplete: "off" %></div>

  <div><%= f.label :password_confirmation %><br />
    <%= f.password_field :password_confirmation, autocomplete: "off" %></div>

  <div >
    First name<br>
    <%= f.text_field :first_name %>
  </div>

  <div>
   Last name (kept private)<br>
    <%= f.text_field :last_name %>
  </div>

  <div class="signup-button">
    <div class="form-group form">
      <button type="submit" value="Send" id="submit" class="btn btn-fancy btn-block">SIGN UP</button>
    </div>
  </div>
<% end %>

<%= render "devise/shared/links" %>

Control Devise Redirects

It makes sense when a user creates an account, especially when an email confirmation is required, that the user is redirected to a welcome page letting them know they need to check their email to confirm registration. Or, if a user logs in, you probably want to redirect them to a page other than the root URL.

To redirect a user after registering, add the following to your RegistrationsController:

class RegistrationsController < Devise::RegistrationsController

  private

    # Modified Devise params for user login
    def sign_up_params
      params.require(:user).permit(:first_name, :last_name, :email, :password, :password_confirmation)
    end

    def after_sign_up_path_for(resource)
      "/newuser"
    end

    def after_inactive_sign_up_path_for(resource)
      "/newuser"
    end

end

You do not need to include the method redirect_to; this will result in an error. You will, of course, want to redirect users to whatever the appropriate page is within your application.

To control the redirects after a successful login, add the following to ApplicationController:

class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception

  private

    def after_sign_in_path_for(resource)
       "/about"
    end

end

To see the actual devise code, and the methods you will need to overwrite in order to control your redirects, click here.

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Koren Leslie Cohen

Product manager at Facebook. Former senior product manager at Dollar Shave Club in Los Angeles and software engineer at J.Crew / Madewell in New York City. Recovering trial lawyer.

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