Refactoring Tickets

- Tickets now independent from registration
- Implemented money gem
#419

app/models/registration.rb

@@ -3,21 +3,21 @@ class Registration < ActiveRecord::Base
   belongs_to :conference
   belongs_to :dietary_choice
 
-  has_one :supporter_registration
-  has_one :supporter_level, through: :supporter_registration
   has_and_belongs_to_many :social_events
   has_and_belongs_to_many :events
   has_and_belongs_to_many :qanswers
   has_and_belongs_to_many :vchoices
 
+  has_many :events_registrations
+  has_many :workshops, through: :events_registrations, source: :event
+
   attr_accessible :user_id, :conference_id, :attending_social_events, :attending_with_partner,
                   :using_affiliated_lodging, :arrival, :departure, :user_attributes, :attended,
                   :other_dietary_choice, :dietary_choice_id, :handicapped_access_required,
-                  :supporter_registration_attributes, :social_event_ids, :other_special_needs,
+                  :social_event_ids, :other_special_needs,
                   :event_ids, :volunteer, :vchoice_ids, :qanswer_ids, :qanswers_attributes
 
   accepts_nested_attributes_for :user
-  accepts_nested_attributes_for :supporter_registration
   accepts_nested_attributes_for :social_events
   accepts_nested_attributes_for :qanswers
 
@@ -30,7 +30,7 @@ class Registration < ActiveRecord::Base
 
   validates_uniqueness_of :user_id, scope: :conference_id, message: 'already Registered!'
 
-  after_create :set_week
+  after_create :set_week, :subscribe_to_conference, :send_registration_mail
 
   def week
     created_at.strftime('%W').to_i
@@ -38,6 +38,16 @@ class Registration < ActiveRecord::Base
 
   private
 
+  def subscribe_to_conference
+    Subscription.create(conference_id: conference.id, user_id: user.id)
+  end
+
+  def send_registration_mail
+    if conference.email_settings.send_on_registration?
+      Mailbot.delay.registration_mail(conference, user)
+    end
+  end
+
   def set_week
     self.week = created_at.strftime('%W')
     save!