Contents

module ActiveRecordExt
  module MultiparameterAssignableAttr 
    extend ActiveSupport::Concern

    included do |base|
      class << base
        def multiparameter_assignable_attr(attr_mappings)      
          @@multiparameter_assignable_attribute_mappings ||= {}
          
          @@multiparameter_assignable_attribute_mappings[self] ||= {}
          
          @@multiparameter_assignable_attribute_mappings[self].merge!(attr_mappings)

          code = <<-CODE
            attr_accessor :#{attr_mappings.keys.join(' ,')}
            
            def self.reflect_on_aggregation(attr_name)
              if @@multiparameter_assignable_attribute_mappings[self].keys.include?(attr_name)
                OpenStruct.new(
                  :klass => @@multiparameter_assignable_attribute_mappings[self][attr_name]
                )
              else 
                super(attr_name)
              end
            end        
          CODE

          class_eval(code)      
        end            
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
multiparameter_assignable_attr-0.2.2	lib/active_record_ext/multiparameter_assignable_attr.rb
multiparameter_assignable_attr-0.2.1	lib/active_record_ext/multiparameter_assignable_attr.rb
multiparameter_assignable_attr-0.2	lib/active_record_ext/multiparameter_assignable_attr.rb