pcantrell

Study these screenshots:

https://innig.net/tmp/nr-screenshots/

Fork this gist (one fork per team).

Sketch out an object model for this application. Don't worry about view, network, database, etc.; your concern is only to represent the essential information of this application as classes and attributes. You can use the following attribute types:

• numbers, strings, dates
• other model classes

pcantrell

class Recording < ActiveRecord::Base
  has_many :artistic_contributions, dependent: :destroy, include: [:artistic_role, :artist]
  has_many :artists, through: :artistic_contributions
  has_many :editions, class_name: 'RecordingEdition', dependent: :destroy
  has_many :blog_posts, foreign_key: :podcast_recording_id
  
  validates :title, :base_file_name, presence: true
  
  before_save :refresh_editions

pcantrell

// Model with property observers:

Model = function() {}

Model.prototype.observe = function(prop, observer) {
    this._observers = this._observers || {}
    if(!this._observers[prop]) {
        this._observers[prop] = []
        

pcantrell

# CLOSURES IN RUBY     Paul Cantrell    http://innig.net
# Email: username "cantrell", domain name "pobox.com"

# I recommend executing this file, then reading it alongside its output.
#
# Alteratively, you can give yourself a sort of Ruby test by deleting all the comments,
# then trying to guess the output of the code!

# A closure is a block of code which meets three criteria:

pcantrell

gem 'ruby-prof'