- validates_inclusion_of :event, :in => [ "opened", "closed", "reopened", "commented", "hidden" ]
- validates_presence_of :id, :on => :update
- validates_uniqueness_of :id
- validates_presence_of :visible
+ validates :id, :uniqueness => true, :presence => { :on => :update },
+ :numericality => { :on => :update, :integer_only => true }
+ validates :note, :presence => true, :associated => true
+ validates :visible, :inclusion => [true, false]
+ validates :author, :associated => true
+ validates :event, :inclusion => %w(opened closed reopened commented hidden)
+ validates :body, :format => /\A[^\x00-\x08\x0b-\x0c\x0e-\x1f\x7f\ufffe\uffff]*\z/