Module: Otis::Object::ClassExtension

Defined in:
lib/otis/otis_object.rb

Instance Method Summary collapse

Instance Method Details

#attributes(*args) ⇒ Object 



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# File 'lib/otis/otis_object.rb', line 18

def attributes(*args)
  args.each do |m|
    class_eval %(attr_accessor :#{m} )
  end
end

#collection(opts = {}) ⇒ Object

This method allows a dynamic generation a list of node in a parent one. It differs slightly from Virtus mapping in a way that it guarantess that a return of a collection is always an array and never a nil object



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# File 'lib/otis/otis_object.rb', line 29

def collection(opts ={})
  collection = opts[:as].to_s
  klass = opts[:of]
  class_eval %( def #{collection}; @#{collection} ||= [@response[:#{collection}]].compact.flatten.map{|c| #{klass}.new(c)}; end )
end

#tag_attributes(*args) ⇒ Object

When Savon receives a response with attributes in its tags, it creates keys that start with ‘@’ sign, which breaks in the Virtus object transformation. This method allows the mapping of an attribute that would be originally ignored by Virtus. See the example below:

<response duration=“123”>

<tag>Foo</tag>

</response>

In order to create the right mapper, the following needs to be done:

class YourObject < Otis::Model

tag_attribute :duration
attribute :tag

end

yourObject.tag # => “Foo” yourObject.duration #=> 123



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# File 'lib/otis/otis_object.rb', line 57

def tag_attributes(*args)
  args.each do |m|
    class_eval %(
      def #{m}
        @response[:@#{m}]
      end
    )
  end
end