Module: MongoDoc::Attributes::ClassMethods

Defined in:
lib/mongo_doc/attributes.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(klass) ⇒ Object 



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# File 'lib/mongo_doc/attributes.rb', line 32

def self.extended(klass)
  klass.class_eval do
    singleton_class.alias_method_chain :attr_accessor, :mongo
  end
end

Instance Method Details

#_add_association(association) ⇒ Object 



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# File 'lib/mongo_doc/attributes.rb', line 42

def _add_association(association)
  self._associations += [association] unless _associations.include?(association)
end

#_add_key(key) ⇒ Object 



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# File 'lib/mongo_doc/attributes.rb', line 38

def _add_key(key)
  self._keys += [key] unless _keys.include?(key)
end

#_attributes ⇒ Object 



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# File 'lib/mongo_doc/attributes.rb', line 46

def _attributes
  _keys + _associations
end

#attr_accessor_with_mongo(*args) ⇒ Object Also known as: key 



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# File 'lib/mongo_doc/attributes.rb', line 50

def attr_accessor_with_mongo(*args)
  return attr_accessor_without_mongo(*args) if args.first == :validation_context
  opts = args.extract_options!
  default = opts.delete(:default)
  type = opts.delete(:type)
  args.each do |name|
    _add_key(name)
    attr_writer name

    unless default.nil?
      define_method("_default_#{name}", default.kind_of?(Proc) ? default : proc { default.duplicable? ? default.dup : default })
      private "_default_#{name}"

      module_eval(<<-RUBY, __FILE__, __LINE__)
        def #{name}                                # def birth_date
          unless defined? @#{name}                 #   unless defined? @birth_date
            @#{name} = _default_#{name}            #     @birth_date = _default_birth_date
          end                                      #   end
          class << self; attr_reader :#{name} end  #   class << self; attr_reader :birth_date end
          @#{name}                                 #   @birth_date
        end                                        # end
      RUBY
    else
      attr_reader name
    end

    if type == Boolean
      module_eval(<<-RUBY, __FILE__, __LINE__)
        alias #{name}? #{name}  # alias active? active
      RUBY
    end

    if type.try(:respond_to?, :cast_from_string)
      define_method "#{name}_with_type=" do |value|
        if value.kind_of?(String)
          value = type.cast_from_string(value)
        end
        self.send("#{name}_without_type=", value)
      end
      alias_method_chain "#{name}=", :type
    end
  end
end