code: def get_user_subscription_to_discussion(recID, uid):
      
      user_email = User.query.get(uid).email
      (emails1, emails2) = get_users_subscribed_to_discussion(
          recID, check_authorizations=False)
      if user_email in emails1:
          return 1
      elif user_email in emails2:
          return 2
      else:
          return 0
docs: Returns the type of subscription for the given user to this
      discussion. This does not check authorizations (for eg. if user
      was subscribed, but is suddenly no longer authorized).
  
      :param recID: record ID
      :param uid: user id
      :return:
                 - 0 if user is not subscribed to discussion
                 - 1 if user is subscribed, and is allowed to unsubscribe
                 - 2 if user is subscribed, but cannot unsubscribe