Module: Hashifiable

Defined in:
lib/hashifiable.rb,
lib/hashifiable/version.rb

Defined Under Namespace

Modules: Version

Constant Summary collapse

VERSION = 
Version.to_s

Instance Method Summary collapse

Instance Method Details

#hashify(*args) ⇒ Object 



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# File 'lib/hashifiable.rb', line 4

def hashify(*args)

  ## Defines to_hash method dinamically with the key/values specified in *args.
  define_method :to_hash do
    hash_representation = {}

    methods = args.select { |a| a.is_a?(Symbol) }
    procs   = args.select { |a| a.is_a?(Hash)   }.inject { |all, hash| all.merge(hash) }

    ## Create keys for all lambdas sent.
    procs.each do |name, function|
      hash_representation[name] = instance_exec(&function)
    end

    ## Create keys for all methods specified.
    methods.each do |attribute|
      hash_representation[attribute] = self.send(attribute)
    end

    hash_representation
  end

  ## Defines to_json based on the to_hash method.
  define_method :to_json do
    self.to_hash.to_json
  end
end