(2021) Ruby on Rails administrator (admin) login creation



$ rails g devise Admin
$ rails db:migrate

Create a user to log in as admin.


   email: '[email protected]',
   password: 'testtest'


$ rails db:seed

Check if the admin user data is included.


$ rails c
$ irb(main):001:0> Admin.all
$ irb(main):002:0> exit

Next, create the view and controller.


$ rails g devise:views admins
$ rails g devise:controllers admins

Edit the routing.


devise_for :admins
devise_for :admins, controllers: {
  sessions: 'admins/sessions'

Add a header screen after login.


<% if customer_signed_in? %>
  <%= link_to "Log out", destroy_customer_session_path, method: :delete %>
<% elsif admin_signed_in? %>
  <%= link_to "Log out", destroy_admin_session_path, method: :delete %>
<% else %>
  <%= link_to "sign up", new_customer_registration_path %>
  <%= link_to "Login", new_customer_session_path %>
<% end %>

After logging in as an administrator, create a page transition and log-out destination.


  def after_sign_in_path_for(resource)

  def after_sign_out_path_for(resource)

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