Custom redirect after login fail in devise

Last weekend had a small hackathon in our office and we build a simple group emailing service and in that project we need to make some overrides in devise and one of them was custom redirect in case login fails.

By default when the login fails it redirects to “users/sign_in”. Here is how you can over ride this.

1. Create a custom_failure.rb in your lib directory, with:

class CustomFailure < Devise::FailureApp
  def redirect_url
    your_path
  end
 
  def respond
    if http_auth?
      http_auth
    else
      redirect
    end
  end
end

2. In you Devise initializer, include:

config.warden do |manager|
  manager.failure_app = CustomFailure
end

3. Make sure Rails is loadin your lib files, in your application.rb :

 config.autoload_paths += %W(#{config.root}/lib)

4. Don’t forget to restart your server.

Thats a way to handle custom redirect after login fail in devise. Please feel free to embarrass me with your improvements in the comments.

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