rails-module-railsadmin

Rails module for rails-admin.

step by step:

• Add new filed for admin user:

# gem 'devise'
rails generate devise:install
rails generate devise User

## Or you can add admin field to the migration
# t.boolean :admin
rails g migration AddAdminToUser

• Add auth to posts_contrlller:

before_action :authenticate_user!

• check in home_controller:

class HomeController < ApplicationController
  def index
    if current_user
      redirect_to posts_path
    end
  end
end

• Add to layout navations:

  <% if current_user %>
  <%= link_to 'logout' destroy_user_session_path, method: :delete%>
  <% else %>
  <%= link_to 'login' new_user_session_path %>
  <% end %>

• Install rails_admin

# gem 'rails_admin'
rails g rails_admin:install

• set authorization:

  config.authorize_with do
    redirect_to main_app.root_path unless warden.user.admin == true
  end

• result:

1290657123@qq.com/admin true  ===> Can edit post/user 
other@qq.com /admin false     ===> Can not ....

resources:

• https://github.com/sferik/rails_admin