docs: def check_read_permission(self, user_id, do_raise=True):
          """
              Check whether this user can read this network
          """
          if _is_admin(user_id):
              return True
  
          if int(self.created_by) == int(user_id):
              return True
  
          for owner in self.owners:
              if int(owner.user_id) == int(user_id):
                  if owner.view == 'Y':
                      break
          else:
              if do_raise is True:
                  raise PermissionError("Permission denied. User %s does not have read"
                               " access on network %s" %
                               (user_id, self.id))
              else:
                  return False
  
          return True