announcement-test/app/models/bulletin.rb

class Bulletin
  include Mongoid::Document
  include Mongoid::Timestamps
  include Impressionist::Impressionable

  include OrbitModel::Status
  include OrbitTag::Taggable
  include OrbitCategory::Categorizable
  include Slug
  
  field :title, as: :slug_title, type: String, localize: true
  field :subtitle, localize: true
  field :text, localize: true
  field :create_user_id
  field :update_user_id
  field :public, :type => Boolean, :default => true
  field :postdate , :type => DateTime, :default => Time.now
  field :deadline , :type => DateTime

  field :email_sent, :type => Boolean, :default => false
  field :email_sentdate , :type => DateTime
  field :email_user_ids
  field :other_mailaddress

  mount_uploader :image, ImageUploader

  has_many :bulletin_links, :autosave => true, :dependent => :destroy
  has_many :bulletin_files, :autosave => true, :dependent => :destroy
  
  accepts_nested_attributes_for :bulletin_files, :allow_destroy => true
  accepts_nested_attributes_for :bulletin_links, :allow_destroy => true

  def update_user
    User.find(update_user_id) rescue nil
  end

  def update_user=(user)
    self.update_user_id = user.id
  end

  def self.can_display()
    self.any_of({:postdate.lt=>Time.now, :deadline.gt=>Time.now},{:postdate.lt=>Time.now, :deadline=>nil})
  end

end