app/models/opay/payment.rb in opay-1.0.6 vs app/models/opay/payment.rb in opay-1.0.7

@@ -1,7 +1,20 @@
 module Opay
   class Payment < ActiveRecord::Base
     belongs_to :payable, polymorphic: true
-    attr_accessible :provider, :amount, :finished, :session_id
-    validates :payable, :provider, :amount, :session_id, presence: true
+    attr_accessible :provider, :amount, :finished, :session_id, :status
+    validates :payable, :provider, :amount, presence: true
+
+    before_create do |p|
+      p.session_id = Payment.generate_session_id
+    end
+
+    def self.generate_session_id
+      # Generate a token by looping and ensuring does not already exist.
+      loop do
+        token = SecureRandom.base64(15).tr('+/=lIO0', 'pqrsxyz')
+        break token unless Payment.where(session_id: token).first
+      end
+    end
+
   end
 end