Module: Normalize::ClassMethods

Defined in:
lib/normalize.rb

Instance Method Summary collapse

Instance Method Details

#extract_normalizer(options_or_normalizer) ⇒ Object 



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# File 'lib/normalize.rb', line 32

def extract_normalizer(options_or_normalizer)
  if options_or_normalizer.respond_to?(:[])
    options_or_normalizer[:with]
  else
    options_or_normalizer
  end
end

#normalize(attribute, options) ⇒ Object 



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# File 'lib/normalize.rb', line 15

def normalize(attribute, options)
  normalizer = extract_normalizer(options)
  
  class_eval do
    if method_defined? "#{attribute}="
      define_method "#{attribute}_with_normalizer=" do |value|
        send("#{attribute}_without_normalizer=", normalize_value(value, normalizer))
      end
      alias_method_chain "#{attribute}=", :normalizer
    else
      define_method "#{attribute}=" do |value|
        super(normalize_value(value, normalizer))
      end
    end
  end
end