has_many_thu_polymorphic_source_types_with_extra_sprinkles.rb

# app/models/*.rb

class Business < ActiveRecord::Base
  has_many :verifications, :as => :object
  has_many :owners, :through => :verifications, :source => :verifiable, :source_type => "User", :conditions => "verified_at IS NOT NULL"
  has_many :email_subscribers, :through => :verifications, :source => :verifiable, :source_type => "Email", :conditions => "verified_at IS NOT NULL"
  has_many :sms_subscribers, :through => :verifications, :source => :verifiable, :source_type => "Phone", :conditions => "verified_at IS NOT NULL"
end

class Email < ActiveRecord::Base
  belongs_to :verifications, :polymorphic => true
end

class Phone < ActiveRecord::Base
  belongs_to :verifications, :polymorphic => true
end

class User < ActiveRecord::Base
  has_many :verifications, :as => :object
  has_many :emails, :through => :verifications, :source => :verifiable, :source_type => "Email", :conditions => "verified_at IS NOT NULL"
  has_many :phones, :through => :verifications, :source => :verifiable, :source_type => "Phone", :conditions => "verified_at IS NOT NULL"
  belongs_to :verification, :polymorphic => true
end

class Verification < ActiveRecord::Base
  belongs_to :object, :polymorphic => true
  belongs_to :verifiable, :polymorphic => true
  attr_accessible :code, :verified_at, :object, :verifiable
end

# test/unit/verification_test.rb 
require 'test_helper'

class VerificationTest < ActiveSupport::TestCase
  def test_business_ownership_
    b = Business.create(:handle => "Charlie's Truck Stop")
    u = User.create(:handle => "Bonnie")
    assert_equal [], b.owners
    v = b.verifications.create(:verifiable => u)
    b.reload
    assert_equal [], b.owners
    v.verified_at = Time.now
    v.save
    b.reload
    assert_equal [u], b.owners
    v.destroy
    b.reload
    assert_equal [], b.owners
    assert_equal "w00t", "w00t"
  end
  
  def test_phone_ownership
    p = Phone.create(:handle => "8675309")
    u = User.create(:handle => "Bonnie")
    assert_equal [], u.phones
    v = u.verifications.create(:verifiable => p)
    u.reload
    assert_equal [], u.phones
    v.verified_at = Time.now
    v.save
    u.reload
    assert_equal [p], u.phones
    v.destroy
    u.reload
    assert_equal [], u.phones
    assert_equal "w00t", "w00t"
  end

end