class BroadcastMessage < ActiveRecord::Base include CacheMarkdownField include Sortable cache_markdown_field :message, pipeline: :broadcast_message validates :message, presence: true validates :starts_at, presence: true validates :ends_at, presence: true validates :color, allow_blank: true, color: true validates :font, allow_blank: true, color: true default_value_for :color, '#E75E40' default_value_for :font, '#FFFFFF' def self.current Rails.cache.fetch("broadcast_message_current", expires_in: 1.minute) do where("ends_at > :now AND starts_at <= :now", now: Time.zone.now).last end end def active? started? && !ended? end def started? Time.zone.now >= starts_at end def ended? ends_at < Time.zone.now end end