Add 'week' column to TicketPurchases

db/migrate/20170419132148_add_week_to_ticket_purchases.rb

@@ -0,0 +1,15 @@
+class AddWeekToTicketPurchases < ActiveRecord::Migration
+  class TmpTicketPurchase < ActiveRecord::Base
+    self.table_name = 'ticket_purchases'
+  end
+
+  def change
+    add_column :ticket_purchases, :week, :integer
+
+    TmpTicketPurchase.reset_column_information
+    TmpTicketPurchase.find_each do |purchase|
+      purchase.week = purchase.created_at ? purchase.created_at.strftime('%W') : 0
+      purchase.save!
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170302145716) do
+ActiveRecord::Schema.define(version: 20170419132148) do
 
   create_table "ahoy_events", force: :cascade do |t|
     t.uuid     "visit_id",   limit: 16
@@ -447,6 +447,7 @@ ActiveRecord::Schema.define(version: 20170302145716) do
     t.integer  "quantity",      default: 1
     t.integer  "user_id"
     t.integer  "payment_id"
+    t.integer  "week"
   end
 
   create_table "tickets", force: :cascade do |t|