Playing with ephemeral gem

Ephemeral.rb

#
# Playing with ephemeral gem
#
# - https://github.com/CoralineAda/ephemeral/

class Base
  include Ephemeral::Base
  def initialize(args={}); args.each{|k,v| self.send("#{k}=", v)}; end
end

class BirthDate < Base
  attr_accessor :day, :month, :year
end

class Address < Base
  attr_accessor :city, :country, :email, :fax, :mobile_phone,
    :phone, :province, :street, :zip_code
end

class School < Base
  attr_accessor :begin_date, :degree, :end_date, :name, :notes, :subject
  
  scope :economic, subject: 'economic'
end

class Qualification < Base
end

class EducationalBackground < Base
  collects :schools
  collects :qualifications
end

class PhotoUrls < Base
  attr_accessor :large, :maxi_thumb, :medium_thumb, :mini_thumb, :thumb
end

class User
  attr_accessor :active_email, :badges, :display_name, :first_name, :gender, :haves,
    :id, :instant_messaging_accounts, :interests, :languages, :last_name,
    :organisation_member, :page_name, :permalink, :premium_services,
    :professional_experience, :time_zone, :wants, :web_profiles

  has_one :birth_date
  has_one :business_address, class_name: 'Address'
  has_one :private_address, class_name: 'Address'
  has_one :educational_background
  has_one :photo_urls, class_name: 'PhotoUrls'
end

users = [
  {
    "wants"=>nil,
    "id"=>"1234",
    "active_email"=>"kuba@codequest.eu",
    "permalink"=>"https://example.com/profile/Johnny",
    "languages"=>{"en"=>nil, "de"=>nil},
    "page_name"=>"Johhny Bravo",
    "first_name"=>"Johnny",
    "instant_messaging_accounts"=>{},
    "last_name"=>"Bravo",
    "photo_urls"=>
     {"maxi_thumb"=>
       "https://example.com/asset1234,6.70x93.jpg",
      "thumb"=>
       "https://example.com/asset1234,6.30x40.jpg",
      "medium_thumb"=>
       "https://example.com/asset1234,6.57x75.jpg",
      "large"=>
       "https://example.com/asset1234,6.140x185.jpg",
      "mini_thumb"=>
       "https://example.com/asset1234,6.18x24.jpg"},
    "display_name"=>"Johnny",
    "haves"=>"ruby,rails,java,solr",
    "professional_experience"=>
     {"non_primary_companies"=>
       [{"industry"=>"COMPUTER_GAMES",
         "end_date"=>"2012-01",
         "company_size"=>nil,
         "tag"=>"TESTING",
         "career_level"=>nil,
         "begin_date"=>"2011-04",
         "description"=>nil,
         "name"=>"testing",
         "url"=>nil,
         "title"=>"Tester"}],
      "awards"=>[],
      "primary_company"=>
       {"industry"=>"AIRLINES",
        "end_date"=>nil,
        "company_size"=>nil,
        "tag"=>"ACME",
        "career_level"=>nil,
        "begin_date"=>"2012",
        "description"=>nil,
        "name"=>"Acme",
        "url"=>nil,
        "title"=>"CTO"}},
    "educational_background"=>
     {"schools"=>
       [{"end_date"=>"2010-03",
         "notes"=>nil,
         "begin_date"=>"2007-03",
         "degree"=>nil,
         "subject"=>"economic",
         "name"=>"University of Warsaw"}],
      "qualifications"=>[]},
    "business_address"=>
     {"city"=>"Pcim",
      "fax"=>nil,
      "mobile_phone"=>nil,
      "phone"=>nil,
      "province"=>nil,
      "email"=>nil,
      "street"=>nil,
      "zip_code"=>nil,
      "country"=>"PL"},
    "badges"=>[],
    "birth_date"=>{"day"=>3, "year"=>1990, "month"=>10},
    "organisation_member"=>nil,
    "premium_services"=>[],
    "private_address"=>
     {"city"=>nil,
      "fax"=>nil,
      "mobile_phone"=>nil,
      "phone"=>nil,
      "province"=>nil,
      "email"=>"johnny@test.eu",
      "street"=>nil,
      "zip_code"=>nil,
      "country"=>nil},
    "time_zone"=>{"utc_offset"=>2.0, "name"=>"Europe/Warsaw"},
    "gender"=>"m",
    "interests"=>"marketing, internet, photography",
    "web_profiles"=>{}
  }]

user = User.new(users.first)
user.business_address.city