Refactoring Tickets

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

db/migrate/20140819124315_rename_supporter_level_to_ticket.rb

@@ -0,0 +1,9 @@
+class RenameSupporterLevelToTicket < ActiveRecord::Migration
+  def up
+    rename_table :supporter_levels, :tickets
+  end
+
+  def down
+    rename_table :tickets, :supporter_levels
+  end
+end

db/migrate/20140820093735_migrating_supporter_registrations_to_ticket_users.rb

@@ -0,0 +1,69 @@
+class MigratingSupporterRegistrationsToTicketUsers < ActiveRecord::Migration
+  class TempSupporterRegistrations < ActiveRecord::Base
+    self.table_name = 'supporter_registrations'
+    attr_accessible :conference_id, :supporter_level_id, :registration_id, :user_id
+  end
+
+  class TempUser < ActiveRecord::Base
+    self.table_name = 'users'
+    attr_accessible :user_id
+  end
+
+  class TempRegistration < ActiveRecord::Base
+    self.table_name = 'registrations'
+    attr_accessible :user_id
+  end
+
+  def change
+    rename_column :supporter_registrations, :supporter_level_id, :ticket_id
+    rename_column :supporter_registrations, :code_is_valid, :paid
+
+    add_column :supporter_registrations, :quantity, :integer, default: 1
+    add_column :supporter_registrations, :user_id, :integer
+
+    deleted_user = TempUser.find_by(email: 'deleted@localhost.osem')
+
+    TempSupporterRegistrations.all.each do |s|
+      # Change relation from registration to user
+      registration = TempRegistration.find_by(id: s.registration_id)
+      if registration
+        user = TempUser.find_by(id: registration.user_id)
+        if user
+          s.user_id = user.id
+          s.save
+        end
+      end
+      if !s.user_id
+        s.user_id = deleted_user.id
+        s.save
+      end
+    end
+
+    # Sum up if a user has bought more than one ticket
+    TempSupporterRegistrations.all.each do |s|
+      sup_reg = TempSupporterRegistrations.where(
+          ticket_id: s.ticket_id,
+          user_id: s.user_id,
+          conference_id: s.conference_id)
+      quantity = sup_reg.count
+
+      if quantity > 1
+        # Save the amount in the first one
+        s.quantity = quantity
+        s.save
+
+        # Delete the other
+        sup_reg = sup_reg.where('id not in (?)', [s.id])
+        sup_reg.destroy_all
+      end
+    end
+
+    remove_column :supporter_registrations, :registration_id
+    remove_column :supporter_registrations, :code
+    remove_column :supporter_registrations, :name
+    remove_column :supporter_registrations, :email
+    remove_column :conferences, :use_supporter_levels
+
+    rename_table :supporter_registrations, :ticket_purchases
+  end
+end

db/migrate/20140821103643_split_ticket_price_in_price_and_currency.rb

@@ -0,0 +1,27 @@
+class SplitTicketPriceInPriceAndCurrency < ActiveRecord::Migration
+  class TempTicket < ActiveRecord::Base
+    self.table_name = 'tickets'
+    attr_accessible :ticket_price, :price_cents, :price_currency
+  end
+
+  def change
+    add_money :tickets, :price
+
+    TempTicket.all.each do |ticket|
+      # Replace currency symbol with ISO Code
+      ticket.ticket_price.gsub!('€', 'EUR')
+      ticket.ticket_price.gsub!('$', 'USD')
+      ticket.ticket_price.gsub!('£', 'GBP')
+      ticket.ticket_price.gsub!('¥', 'CNY')
+      ticket.ticket_price.gsub!('₹', 'INR')
+
+      money = ticket.ticket_price.to_money
+      ticket.price_cents = money.cents
+      ticket.price_currency = money.currency_as_string
+      ticket.save
+    end
+
+    remove_column :tickets, :ticket_price
+    remove_column :tickets, :url
+  end
+end