Introduced Physical Ticket

Added PhysicalTicket model and controller. It holds the information about each physical ticket bought at the purchase. Physical Tickets are created after every successfull payment.

app/models/ability.rb

@@ -87,6 +87,7 @@ class Ability
     can :index, Ticket
     can :manage, TicketPurchase, user_id: user.id
     can [:new, :create], Payment, user_id: user.id
+    can [:index, :show], PhysicalTicket, user_id: user.id
 
     can [:create, :destroy], Subscription, user_id: user.id
 

app/models/conference.rb

@@ -19,6 +19,7 @@ class Conference < ActiveRecord::Base
   has_one :email_settings, dependent: :destroy
   has_one :program, dependent: :destroy
   has_one :venue, dependent: :destroy
+  has_many :physical_tickets, through: :ticket_purchases
   has_many :ticket_purchases, dependent: :destroy
   has_many :payments, dependent: :destroy
   has_many :supporters, through: :ticket_purchases, source: :user

app/models/physical_ticket.rb

@@ -0,0 +1,6 @@
+class PhysicalTicket < ActiveRecord::Base
+  belongs_to :ticket_purchase
+  has_one :ticket, through: :ticket_purchase
+  has_one :conference, through: :ticket_purchase
+  has_one :user, through: :ticket_purchase
+end

app/models/ticket_purchase.rb

@@ -13,6 +13,8 @@ class TicketPurchase < ActiveRecord::Base
   delegate :price_cents, to: :ticket
   delegate :price_currency, to: :ticket
 
+  has_many :physical_tickets
+
   scope :paid, -> { where(paid: true) }
   scope :unpaid, -> { where(paid: false) }
   scope :by_conference, ->(conference) { where(conference_id: conference.id) }
@@ -45,8 +47,8 @@ class TicketPurchase < ActiveRecord::Base
       purchase = new(ticket_id: ticket.id,
                      conference_id: conference.id,
                      user_id: user.id,
-                     quantity: quantity,
-                     paid: ticket.price_cents.zero?)
+                     quantity: quantity)
+      purchase.pay(nil) if ticket.price_cents.zero?
     end
     purchase
   end
@@ -60,6 +62,13 @@ class TicketPurchase < ActiveRecord::Base
     purchase.quantity = quantity if quantity > 0
     purchase
   end
+
+  def pay(payment)
+    update_attributes(paid: true, payment: payment)
+    PhysicalTicket.transaction do
+      quantity.times { physical_tickets.create }
+    end
+  end
 end
 
 private

app/models/user.rb

@@ -6,6 +6,11 @@ end
 
 class User < ActiveRecord::Base
   rolify
+  has_many :physical_tickets, through: :ticket_purchases do
+    def by_conference(conference)
+      where('ticket_purchases.conference_id = ?', conference)
+    end
+  end
   has_many :users_roles
   has_many :roles, through: :users_roles, dependent: :destroy