module Devise::Controllers::Rememberable

def self.cookie_values
  Rails.configuration.session_options.slice(:path, :domain, :secure)
end

def forget_cookie_values(resource)
  Devise::Controllers::Rememberable.cookie_values.merge!(resource.rememberable_options)
end

def forget_me(resource)
  scope = Devise::Mapping.find_scope!(resource)
  resource.forget_me!
  cookies.delete(remember_key(resource, scope), forget_cookie_values(resource))
end

def remember_cookie_values(resource)
  options = { httponly: true }
  options.merge!(forget_cookie_values(resource))
  options.merge!(
    value: resource.class.serialize_into_cookie(resource),
    expires: resource.remember_expires_at
  )
end

def remember_key(resource, scope)
  resource.rememberable_options.fetch(:key, "remember_#{scope}_token")
end

def remember_me(resource)
  return if request.env["devise.skip_storage"]
  scope = Devise::Mapping.find_scope!(resource)
  resource.remember_me!
  cookies.signed[remember_key(resource, scope)] = remember_cookie_values(resource)
end

def remember_me_is_active?(resource)
  return false unless resource.respond_to?(:remember_me)
  scope = Devise::Mapping.find_scope!(resource)
  _, token, generated_at = cookies.signed[remember_key(resource, scope)]
  resource.remember_me?(token, generated_at)
end