gistfile1.coffee

class Entity extends Batman.Model
  @field: (name, options) ->
    @fields ?= {}
    @fields[name] = options || {}

  constructor: (attributes) ->
    @attributes = {}
    for name, options of @constructor.fields
      @attributes['encode'] = true
      @attributes[name] = 
        if attributes?[name] 
          attributes?[name] 
        else if options.default
          options.default
        else if options.encode
          options.encode

  # Getters and setters
  get: (name) =>
    #redirect to Batman.Model

  set: (name, value) =>
    #redirect to Batman.Model
#...

###############################################
class Todo extends Entity
  @field 'body', default: ''
  @field 'isDone', default: false
  @field 'temp', default: "local helper", encode: false

# for more see here: http://almostobsolete.net/declarative-models-in-coffeescript.html