code: def search_user(current):
      
      current.output = {
          'results': [],
          'status': 'OK',
          'code': 201
      }
      qs = UserModel(current).objects.exclude(key=current.user_id).search_on(
          *settings.MESSAGING_USER_SEARCH_FIELDS,
          contains=current.input['query'])
      # FIXME: somehow exclude(key=current.user_id) not working with search_on()
  
      for user in qs:
          if user.key != current.user_id:
              current.output['results'].append((user.full_name, user.key, user.get_avatar_url()))
docs: Search users for adding to a public room
          or creating one to one direct messaging
  
          .. code-block:: python
  
              #  request:
                  {
                  'view':'_zops_search_user',
                  'query': string,
                  }
  
              #  response:
                  {
                  'results': [('full_name', 'key', 'avatar_url'), ],
                  'status': 'OK',
                  'code': 200
                  }