Contents

module TentD
  module Model
    module RandomPublicId
      def self.included(base)
        base.extend(ClassMethods)
        base.class_eval do
          property :public_id, String, :required => true, :unique_index => :upublic_id, :default => lambda { |*args| random_id }
          self.raise_on_save_failure = true
        end
      end

      module ClassMethods
        def random_id
          rand(36 ** 6).to_s(36)
        end
      end

      private

#      TODO: Debug DataMapper state issue
#      # catch unique public_id validation and generate a new one
#      def assert_save_successful(*args)
#        super
#      rescue DataMapper::SaveFailureError
#        if self.class.all(:public_id => self.public_id).any?
#          self.public_id = self.class.random_id
#          save
#        else
#          raise
#        end
#      end
#
#      # catch db unique constraint on public_id and generate a new one
#      def _persist
#        super
#      rescue DataObjects::IntegrityError
#        if self.class.all(:public_id => self.public_id).any?
#          self.public_id = self.class.random_id
#          save
#        else
#          raise
#        end
#      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
tentd-0.0.1	lib/tentd/model/random_public_id.rb