has_many :old_ways
has_many :old_relations
+ after_initialize :set_defaults
+
+ # this method overrides the AR default to provide the rich
+ # text object for the description field.
def description
RichText.new(read_attribute(:description_format), read_attribute(:description))
end
+
+ private
+
+ # set the default format to be markdown, in the absence of
+ # any other setting.
+ def set_defaults
+ self.description_format = "markdown" unless self.attribute_present?(:description_format)
+ end
end