Merge pull request #1118 from rishabhs95/free-ticket

ability to create and purchase free tickets

app/models/conference.rb

@@ -1,3 +1,4 @@
+# rubocop:disable Metrics/ClassLength
 ##
 # This class represents a conference
 class Conference < ActiveRecord::Base
@@ -64,6 +65,8 @@ class Conference < ActiveRecord::Base
   before_create :add_color
   before_create :create_email_settings
 
+  after_create :create_free_ticket
+
   def date_range_string
     startstr = 'Unknown - '
     endstr = 'Unknown'
@@ -647,6 +650,14 @@ class Conference < ActiveRecord::Base
     create_roles
   end
 
+  ##
+  # Creates free ticket for the conference
+  # after the conference has been successfully created
+  # Will create 1 new record for 'free' ticket
+  def create_free_ticket
+    tickets.where(title: 'Free Access', price_cents: 0).first_or_create!(description: 'Get free access tickets for the conference.')
+  end
+
   ##
   # Creates the roles of the conference
   # after the conference has been successfully created
@@ -1053,3 +1064,4 @@ class Conference < ActiveRecord::Base
     result
   end
 end
+# rubocop:enable Metrics/ClassLength

app/models/ticket.rb

@@ -13,7 +13,7 @@ class Ticket < ActiveRecord::Base
 
   validates :price_cents, :price_currency, :title, presence: true
 
-  validates_numericality_of :price_cents, greater_than: 0
+  validates_numericality_of :price_cents, greater_than_or_equal_to: 0
 
   def bought?(user)
     buyers.include?(user)

app/models/ticket_purchase.rb

@@ -23,7 +23,7 @@ class TicketPurchase < ActiveRecord::Base
     ActiveRecord::Base.transaction do
       conference.tickets.each do |ticket|
         quantity = purchases[ticket.id.to_s].to_i
-        # if the user bought the ticket, just update the quantity
+        # if the user bought the ticket and is still unpaid, just update the quantity
         if ticket.bought?(user) && ticket.unpaid?(user)
           purchase = update_quantity(conference, quantity, ticket, user)
         else
@@ -39,10 +39,13 @@ class TicketPurchase < ActiveRecord::Base
   end
 
   def self.purchase_ticket(conference, quantity, ticket, user)
-    purchase = new(ticket_id: ticket.id,
-                   conference_id: conference.id,
-                   user_id: user.id,
-                   quantity: quantity) if quantity > 0
+    if quantity > 0
+      purchase = new(ticket_id: ticket.id,
+                     conference_id: conference.id,
+                     user_id: user.id,
+                     quantity: quantity,
+                     paid: ticket.price_cents.zero?)
+    end
     purchase
   end