Contents

# encoding: UTF-8
#
# Copyright 2011 Brennan Frydl (http://bfrydl.com/)
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

module Settis
  class ActiveRecordSerializer < Serializer
    def self.serializes?(type)
      type.is_a?(Class) and type.ancestors.include?(ActiveRecord::Base)
    end

    def serialize(value)
      case value
      when Integer then value.to_s
      when type then value.id.to_s
      when nil then nil
      else
        raise ArgumentError, "Setting value must be an instance of #{type}, an ID number, or nil"
      end
    end

    def deserialize(value)
      type.find_by_id(value) unless value.nil?
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
settis-0.2.0	lib/settis/serializers/active_record.rb