Initial implementation of tutorial pages

src/coffee/models/tutorial.coffee

@@ -0,0 +1,35 @@
+###
+Crafting Guide - tutorial.coffee
+
+Copyright (c) 2015 by Redwood Labs
+All rights reserved.
+###
+
+BaseModel      = require './base_model'
+TutorialParser = require './tutorial_parser'
+{Url}          = require '../constants'
+
+########################################################################################################################
+
+module.exports = class Tutorial extends BaseModel
+
+    constructor: (attributes={}, options={})->
+        if not attributes.name?.length > 0 then throw new Error "attributes.name cannot be empty"
+        attributes.modSlug     ?= null
+        attributes.officialUrl ?= null
+        attributes.sections    ?= []
+        attributes.slug        ?= _.slugify attributes.name
+        attributes.videos      ?= []
+        super attributes, options
+
+    # Backbone.Model Overrides #####################################################################
+
+    parse: (text)->
+        TutorialParser = require './tutorial_parser' # to avoid require cycles
+        @_parser ?= new TutorialParser model:this
+        @_parser.parse text
+
+        return null # prevent calling `set`
+
+    url: ->
+        return Url.tutorialData modSlug:@modSlug, tutorialSlug:@slug