class DispatchLink < ActiveRecord::Base # Relationships belongs_to :dispatch, :foreign_key => :dispatch_id has_many :clicks, :class_name => "DispatchLinkClick" default_scope { order("clicks_count DESC") } # Validations # validates_presence_of :uri # validates_presence_of :dispatch # validates_uniqueness_of :position, :scope => :dispatch_id # open up everything for mass assignment attr_protected end