class EmailMessage < ActiveRecord::Base
  
  named_scope :undelivered, :conditions => "delivered_at is null"
  
  validates_presence_of :recipients
  
  after_create :deliver_now
  
  def delivered?
    !!delivered_at
  end
  
  def self.deliver!
    # Send all messages, 100 at a time
    undelivered.all(:limit => 100).each do |m|
      m.deliver!
    end
  end
  
  #TODO: Take this out when we have an email queue processor
  def deliver_now
    deliver!
  end
  
  def deliver!
    return false if delivered?
    EmailMessageMailer.deliver_email_message(self)
    update_attributes(:delivered_at => Time.now)
  end
  
end