class Rsvp < ActiveRecord::Base
  include InputSanitization
  belongs_to :account
  belongs_to :event
  
  validates_presence_of :guest_count
  validates_presence_of :status
  validate do |rsvp|
    if ['http://', 'href='].any? { |x|
        rsvp.comment.to_s.include?(x)
      } &&
      rsvp.account.created_on > 1.hour.ago
      rsvp.errors.add_to_base("To prevent automated spam, " +
        "your account must have been registered for more " +
        "than one hour to post a link in the RSVP comment " +
        "(hint: come back in an hour to post the link).")
    end
  end
    
  def Rsvp.match(event, account)
    return nil if account.nil?
  
    find :first, :conditions =>
      ['event_id = ? AND account_id = ?', event.id, account.id]
  end
  
  def Rsvp.gather(event, status)
    find :all, :conditions =>
      ['event_id = ? AND status = ?', event.id, status]
  end
  
  def owner?(user)
    self.account == user
  end
end