Adding transaction migration

db/migrate/20121205043759_create_transactions.rb

@@ -0,0 +1,16 @@
+class CreateTransactions < ActiveRecord::Migration
+  def change
+    create_table :transactions do |t|
+      t.integer "user_id", :null => false
+      t.integer "bike_id"
+      t.integer "amount", :null => false
+      #Adding whether or not a user sold or purchased the bike
+      #could be used to help keep track of external sales.
+      #aka, a collective member (user) sold a bike to
+      #a non user
+      #Currently this model automatically assumes that the user is 
+      #purchasing a bike, or a part for a bike from the collective
+      #t.boolean "user_sold_flag", :default => false
+    end
+  end
+end