Module: AttrRequired::ClassMethods

Defined in:
lib/attr_required.rb

Instance Method Summary collapse

Instance Method Details

#attr_required(*keys) ⇒ Object 



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# File 'lib/attr_required.rb', line 18

def attr_required(*keys)
  if defined? undef_optional_attributes
    undef_optional_attributes(*keys)
  end
  required_attributes.concat keys
  attr_accessor(*keys)
end

#attr_required?(key) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/attr_required.rb', line 26

def attr_required?(key)
  required_attributes.include? key
end

#inherited(klass) ⇒ Object 



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

def inherited(klass)
  super
  unless required_attributes.empty?
    klass.attr_required(*required_attributes)
  end
end

#required_attributes ⇒ Object 



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# File 'lib/attr_required.rb', line 30

def required_attributes
  @required_attributes ||= []
end

#undef_required_attributes(*keys) ⇒ Object 



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# File 'lib/attr_required.rb', line 34

def undef_required_attributes(*keys)
  keys.each do |key|
    if attr_required?(key)
      undef_method key, :"#{key}="
      required_attributes.delete key
    end
  end
end