Как реализовать схему с ролями и пользователями в rails?

1

gem 'devise'

1

rails generate devise:install

1

rails generate devise User

1

rails generate migration AddFieldsToUsers role:string name:string

1

rails db:migrate

1
2
3

class User < ApplicationRecord
  enum role: [:user, :admin]
end

1

devise_for :users

1

rails generate controller Admin

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16

class AdminController < ApplicationController
  before_action :authenticate_user!
  before_action :check_admin

  def index
    @users = User.all
  end

  private

  def check_admin
    unless current_user.admin?
      redirect_to root_path, alert: "You are not authorized to access this page."
    end
  end
end

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20

<h1>Admin Dashboard</h1>

<table>
  <thead>
    <tr>
      <th>Name</th>
      <th>Email</th>
      <th>Role</th>
    </tr>
  </thead>
  <tbody>
    <% @users.each  do |user| %>
      <tr>
        <td><%= user.name %></td>
        <td><%= user.email %></td>
        <td><%= user.role.capitalize %></td>
      </tr>
    <% end %>
  </tbody>
</table>

1
2
3

<% if  user_signed_in? %>
  <%= link_to "Admin", admin_path %>
<% end  %>