timesheets.rb

class TSheets::Model
  def self.from_raw(hash, cache, supplemental = {})
    instance = hash.inject self.new(cache) do |o, p|
      k, v = p
      casted = cast_raw(v, k, cache)
      has_key = o.attributes.keys.include? k
      if !has_key
        o.instance_variable_set "@#{k}".to_sym, casted
        o.define_singleton_method k do
          o.instance_variable_get "@#{k}".to_sym
        end
      else
        o.send "#{k}=", casted
      end
      o
    end
    models.each do |model_def|
      instance.send "#{model_def[:name]}=", resolve_supplemental(instance, model_def, cache, supplemental)
    end
    instance
  end
end