class PaperCriteria
  include Mongoid::Document
  include Mongoid::Timestamps
  include Slug

  field :title,as: :slug_title, localize: true
  field :description, localize: true
  field :content, localize: true
  field :start_date, type: DateTime
  field :end_date, type: DateTime
  field :sending_time, type: DateTime
  field :sending_title, localize: true
  field :sending_notes
  field :language_to_send, type: Array, :default => ["en","zh_tw"]
  field :receivers, type: Array, :default => ["subscriber"]
  field :other_emails
  field :invalid_emails, type: Array, :default => []
  field :send_failed_emails, type: Array, :default => []
  field :email_sentdate, :type => DateTime
  field :banner_image, type: BSON::ObjectId

  mount_uploader :image, ImageUploader

  def epaper_topics
    tmp = EPaperTopic.where(:period.gte => self.start_date.in_time_zone(Time.zone.utc_offset / 3600), :period.lte => self.end_date.in_time_zone(Time.zone.utc_offset / 3600)).can_display
    tmp = EPaperTopic.where(:period.gte => self.start_date.in_time_zone(Time.zone.utc_offset / 3600), :period.lte => self.end_date.in_time_zone(Time.zone.utc_offset / 3600)).limit(1) if tmp.first.nil?
    tmp
  end

  def other_emails_ids
    if !self.other_emails.nil?
      return self.other_emails.split(",")
    else
      return []
    end
  end

  def get_email_sentdate
    _email_sentdate = self.email_sentdate
    if _email_sentdate && _email_sentdate < DateTime.now
      _email_sentdate = nil
    end
    _email_sentdate
  end

end