Module: DeviseGuests::Controllers::Helpers

Extended by:
ActiveSupport::Concern
Defined in:
lib/devise-guests/controllers/helpers.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Class Method Details

.define_helpers(mapping) ⇒ Object

:nodoc:



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# File 'lib/devise-guests/controllers/helpers.rb', line 12

def self.define_helpers(mapping) # :nodoc:
  class_name = mapping.class_name
  mapping = mapping.name

  class_eval <<-METHODS, __FILE__, __LINE__ + 1
    def guest_#{mapping}
      return @guest_#{mapping} if @guest_#{mapping}

      if session[:guest_#{mapping}_id]
        @guest_#{mapping} = #{class_name}.find_by(#{class_name}.authentication_keys.first => session[:guest_#{mapping}_id]) rescue nil
        @guest_#{mapping} = nil if @guest_#{mapping}.respond_to? :guest and !@guest_#{mapping}.guest
      end

      @guest_#{mapping} ||= begin
        u = create_guest_#{mapping}(session[:guest_#{mapping}_id])
        session[:guest_#{mapping}_id] = u.send(#{class_name}.authentication_keys.first)
        u
      end

      @guest_#{mapping}
    end

    def current_or_guest_#{mapping}
      if current_#{mapping}
        if session[:guest_#{mapping}_id]
          run_callbacks :logging_in_#{mapping} do
            guest_#{mapping}.destroy unless send(:"skip_destroy_guest_#{mapping}")
            session[:guest_#{mapping}_id] = nil
          end
        end
        current_#{mapping}
      else
        guest_#{mapping}
      end
    end

    private
    def create_guest_#{mapping} key = nil
      auth_key = #{class_name}.authentication_keys.first
      #{class_name}.new do |g|
        g.send("\#{auth_key}=", send(:"guest_\#{auth_key}_authentication_key", key))
        g.assign_attributes(send(:"guest_#{mapping}_params"))
        g.guest = true if g.respond_to? :guest
        g.skip_confirmation! if g.respond_to?(:skip_confirmation!)
        g.save(validate: false)
      end
    end

    def guest_email_authentication_key key
      key &&= nil unless key.to_s.match(/^guest/)
      key ||= "guest_" + guest_#{mapping}_unique_suffix + "@example.com"
    end

    def guest_#{mapping}_params
      {}
    end

    def guest_#{mapping}_unique_suffix
      SecureRandom.uuid
    end

    def skip_destroy_guest_#{mapping}
      false
    end

    def transfer_guest_to_#{mapping}
    end

  METHODS

  ActiveSupport.on_load(:action_controller) do
    if respond_to?(:helper_method)
      helper_method "guest_#{mapping}", "current_or_guest_#{mapping}"
    end
    define_callbacks "logging_in_#{mapping}"
    set_callback :"logging_in_#{mapping}", :"transfer_guest_to_#{mapping}"
  end
end