Module: AttrHelper::ClassMethods

Defined in:
lib/attr_helper.rb

Instance Method Summary collapse

Instance Method Details

#attr_optional(name, options = {}) ⇒ Object 



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# File 'lib/attr_helper.rb', line 42

def attr_optional(name, options = {})
  optional_attributes << BaseAttr.new(name.to_sym, options)
  attr_accessor name.to_sym
end

#attr_required(name, options = {}) ⇒ Object 



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# File 'lib/attr_helper.rb', line 51

def attr_required(name, options = {})
  required_attributes << RequiredAttr.new(name.to_sym, options)
  attr_accessor name.to_sym
end

#inherited(klass) ⇒ Object 



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# File 'lib/attr_helper.rb', line 11

def inherited(klass)
  super

  # we might want to undef here so
  #  that child classes can override

  unless required_attributes.empty?
    required_attributes.each do |attribute|
      klass.attr_required attribute.name, {
        :name => attribute.name,
        :key => attribute.key,
        :default => attribute.default,
        :serialize => attribute.serialize,
        :if => attribute.if_cond,
        :unless => attribute.unless_cond
      }
    end
  end

  unless optional_attributes.empty?
    optional_attributes.each do |attribute|
      klass.attr_optional attribute.name, {
        :name => attribute.name,
        :key => attribute.key,
        :default => attribute.default,
        :serialize => attribute.serialize
      }
    end
  end
end

#optional_attributes ⇒ Object 



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# File 'lib/attr_helper.rb', line 47

def optional_attributes
  @optional_attributes ||= []
end

#required_attributes ⇒ Object 



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# File 'lib/attr_helper.rb', line 56

def required_attributes
  @required_attributes ||= []
end