routes.rb

Spree::Core::Engine.add_routes do
  devise_for :spree_user,
            class_name: Spree.user_class.to_s,
            controllers: { sessions: 'spree/user_sessions',
                              registrations: 'spree/user_registrations',
                              passwords: 'spree/user_passwords',
                              confirmations: 'spree/user_confirmations' },
            skip: [:unlocks, :omniauth_callbacks],
            path_names: { sign_out: 'logout' },
            path_prefix: :user

  devise_scope :spree_user do
    get '/login' => 'user_sessions#new', :as => :login
    post '/login' => 'user_sessions#create', :as => :create_new_session
    get '/logout' => 'user_sessions#destroy', :as => :logout
    get '/signup' => 'user_registrations#new', :as => :signup
    post '/signup' => 'user_registrations#create', :as => :registration
    get '/password/recover' => 'user_passwords#new', :as => :recover_password
    post '/password/recover' => 'user_passwords#create', :as => :reset_password
    get '/password/change' => 'user_passwords#edit', :as => :edit_password
    put '/password/change' => 'user_passwords#update', :as => :update_password
    get '/confirm' => 'user_confirmations#show', :as => :confirmation
  end

  if Spree::Core::Engine.frontend_available?
    resources :users, only: [:edit, :update]
    get '/checkout/registration' => 'checkout#registration', :as => :checkout_registration
    put '/checkout/registration' => 'checkout#update_registration', :as => :update_checkout_registration
    resource :account, controller: 'users'
  end

  if Spree.respond_to?(:admin_path) && Spree::Core::Engine.backend_available?
    namespace :admin, path: Spree.admin_path do
      devise_for :spree_user,
                class_name: Spree.user_class.to_s,
                controllers: { sessions: 'spree/admin/user_sessions',
                                  passwords: 'spree/admin/user_passwords' },
                skip: [:unlocks, :omniauth_callbacks, :registrations],
                path_names: { sign_out: 'logout' },
                path_prefix: :user
      devise_scope :spree_user do
        get '/authorization_failure', to: 'user_sessions#authorization_failure', as: :unauthorized
        get '/login' => 'user_sessions#new', :as => :login
        post '/login' => 'user_sessions#create', :as => :create_new_session
        get '/logout' => 'user_sessions#destroy', :as => :logout
        get '/password/recover' => 'user_passwords#new', :as => :recover_password
        post '/password/recover' => 'user_passwords#create', :as => :reset_password
      end
    end
  end

  namespace :api, defaults: { format: 'json' } do
    namespace :v2 do
      namespace :storefront do
        resource :account, controller: :account, only: %i[show create update]
        resources :account_confirmations, only: %i[show]
        resources :passwords, controller: :passwords, only: %i[create update]
      end
    end
  end
end