#Clearance Clearance is a simple Ruby on Rails authentication with email & password.

To setup Clearance, visit this page: https://github.com/thoughtbot/clearance or follow the following steps below:

1. add gem ‘clearance’ into Gemfile

2. run bundle in the terminal

3. run rails generate clearance:install in the terminal

4. add config.action_mailer.default_url_options = { host: 'localhost:3000' } into config/environments/development.rb and also config/environments/test.rb

5. add the following code into views/home/index.html.erb or your navigation bar or your root page

  <% if signed_in? %>
    Signed in as: <%= current_user.email %>
    <%= button_to 'Sign out', sign_out_path, method: :delete %>
  <% else %>
    <%= link_to '#', sign_in_path %>
    <%= link_to '#', sign_up_path %>
  <% end %>

  <div id="flash">
    <% flash.each do |key, value| %>
      <div class="flash <%= key %>"><%= value %></div>
    <% end %>
  </div>

6. run bundle exec rake db:migrate in the terminal

7. make sure the following code root 'home#index' is in config/routes.rb (*optional if you have root page)

8. run rails g migration add_three_columns_to_users_for_clearance in the terminal

9. go to db/migrate and find <timestamps>_add_three_columns_to_users_for_clearance.rb add the following code into the file:

  add_column :users, :encrypted_password, :string
  add_column :users, :remember_token, :string
  add_column :users, :confirmation_token, :string 

10. run bundle exec rake db:migrate in the terminal

11. make sure users table has encrypted_password, confirmation_token, remember_token columns

#References

1. https://github.com/thoughtbot/clearance

#Errors and solutions

1. https://github.com/estelleccl/how_to_use_clearance/blob/master/Errors_and_solutions.md