Rails Basic

devise-routes.rb

devise_for :people, skip: [:sessions, :passwords, :confirmations, :registrations]
  as :person do
    # session handling
    get     '/login'  => 'devise/sessions#new',     as: 'new_person_session'
    post    '/login'  => 'devise/sessions#create',  as: 'person_session'
    delete  '/logout' => 'devise/sessions#destroy', as: 'destroy_person_session'

    # joining
    get   '/join' => 'devise/registrations#new',    as: 'new_person_registration'
    post  '/join' => 'devise/registrations#create', as: 'person_registration'

    scope '/account' do
      # password reset
      get   '/reset-password'        => 'devise/passwords#new',    as: 'new_person_password'
      put   '/reset-password'        => 'devise/passwords#update', as: 'person_password'
      post  '/reset-password'        => 'devise/passwords#create'
      get   '/reset-password/change' => 'devise/passwords#edit',   as: 'edit_person_password'

      # confirmation
      get   '/confirm'        => 'devise/confirmations#show',   as: 'person_confirmation'
      post  '/confirm'        => 'devise/confirmations#create'
      get   '/confirm/resend' => 'devise/confirmations#new',    as: 'new_person_confirmation'

      # settings & cancellation
      get '/cancel'   => 'devise/registrations#cancel', as: 'cancel_person_registration'
      get '/settings' => 'devise/registrations#edit',   as: 'edit_person_registration'
      put '/settings' => 'devise/registrations#update'

      # account deletion
      delete '' => 'devise/registrations#destroy'
    end
  end

rails.rb

helper_method :current_user, :logged_in?