class Calendar < ApplicationModel

  class DateValue
    include ActiveAttr::Model

    attribute :id, type: Integer
    attribute :value, type: Date

    validates_presence_of :value

    def self.from_date(index, date)
      new id: index, value: date
    end

    # Stuff required for coocon
    def new_record?
      !persisted?
    end

    def persisted?
      id.present?
    end

    def mark_for_destruction
      self._destroy = true
    end

    attribute :_destroy, type: Boolean
    alias_method :marked_for_destruction?, :_destroy
  end

end