Add receipt/invoice email support and option to Quay

data/model.py

@@ -296,6 +296,12 @@ def get_user(username):
     return None
 
 
+def get_user_or_org_by_customer_id(customer_id):
+  try:
+    return User.get(User.stripe_id == customer_id)
+  except User.DoesNotExist:
+    return None
+
 def get_matching_teams(team_prefix, organization):  
   query = Team.select().where(Team.name ** (team_prefix + '%'),
                               Team.organization == organization)
@@ -491,6 +497,11 @@ def change_password(user, new_password):
   user.save()
 
 
+def change_invoice_email(user, invoice_email):
+  user.invoice_email = invoice_email
+  user.save()
+
+
 def update_email(user, new_email):
   user.email = new_email
   user.verified = False