Module: Emojimmy::Mixin

Defined in:
lib/emojimmy/mixin.rb

Class Method Summary collapse

Class Method Details

.inject_methods(model, attributes) ⇒ Object 



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# File 'lib/emojimmy/mixin.rb', line 3

def self.inject_methods(model, attributes)
  attributes.each do |attribute|
    model.class_eval <<-RUBY, __FILE__, __LINE__ + 1
      # Before saving the record, convert the attribute value
      before_save do
        unless respond_to?("#{attribute}=")
          raise ArgumentError.new('#{model} must respond to #{attribute}= in order for Emojimmy to store emoji characters in it.')
        end

        self.#{attribute} = Emojimmy.emoji_to_token(self.#{attribute})
        true
      end

      # When calling the attribute name, convert its value
      def #{attribute}
        Emojimmy.token_to_emoji(super)
      end
    RUBY
  end
end