module OrbitModel

  module Status

    def self.included(base)
      base.extend ClassMethods
      base.class_eval do
        field :is_top, :type => Boolean, :default => false 
        field :is_hot, :type => Boolean, :default => false 
        field :is_hidden, :type => Boolean, :default => false
        self.class_variable_defined?(:@@can_display) ? \
        self.class_variable_set(:@@can_display, self.class_variable_get(:@@can_display).merge({is_hidden: false})) : \
        self.class_variable_set(:@@can_display, {is_hidden: false})
        send :include, InstanceMethods
      end
    end

    module InstanceMethods

      def is_top?
        self.is_top
      end
      
      def is_hot?
        self.is_hot
      end
      
      def is_hidden?
        self.is_hidden
      end
      
    end

    module ClassMethods

      define_method(:can_display) do
        where(class_variable_get(:@@can_display))
      end unless method_defined? :can_display

    end

  end

end