myfreecomm/charging-client-ruby

# encoding: utf-8

module Charging
  module Helpers
    module_function

    def load_variables(object, attributes, hash)
      attributes.each do |attribute|
        value = hash.fetch(attribute, hash.fetch(attribute.to_s, nil))
        object.instance_variable_set "@#{attribute}", value
      end
    end

    def required_arguments!(arguments)
      errors = []

      arguments.each do |key, value|
        errors << "#{key} required" if value.nil?
      end

      raise ArgumentError, errors.join(', ') if errors.any?
    end

    def hashify(object, attributes)
      attributes.inject({}) do |result, attribute|
        result[attribute] = object.send(attribute)
        result
      end
    end
    
    def extract_uuid(uri)
      uri.split("/").last
    rescue
      ""
    end
  end
end