Contents

# encoding: utf-8
module Dynamoid #:nodoc:

  # The BelongsTo association.
  module Associations
    class BelongsTo
      include Dynamoid::Associations::Association
      
      def ==(other)
        target == other
      end
      
      private
      
      def target
        records.first
      end
      
      def target_association
        has_many_key_name = source.class.to_s.pluralize.downcase.to_sym
        has_one_key_name = source.class.to_s.downcase.to_sym
        if !target_class.associations[has_many_key_name].nil?
          return has_many_key_name if target_class.associations[has_many_key_name][:type] == :has_many
        elsif !target_class.associations[has_one_key_name].nil?
          return has_one_key_name if target_class.associations[has_one_key_name][:type] == :has_one
        end
      end
      
      def associate_target(object)
        object.update_attribute(target_attribute, target_ids.merge(Array(source.id)))
      end
      
      def disassociate_target(object)
        source.update_attribute(source_attribute, target_ids - Array(source.id))
      end
    end
  end
  
end

Version data entries

8 entries across 8 versions & 1 rubygems

Version	Path
dynamoid-0.1.1	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.1.0	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.7	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.6	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.5	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.4	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.3	lib/dynamoid/associations/belongs_to.rb
dynamoid-0.0.2	lib/dynamoid/associations/belongs_to.rb