public async Task <IHttpActionResult> AddGroupMessage([FromBody] MessageDto message) { if (!ModelState.IsValid) { return(BadRequest(ModelState)); } var currentUserId = GetCurrentUserId(); if (currentUserId == message.SenderId && message.IsGroup) { int id = await _messageService.AddGroupMessage(message); return(Ok(id)); } else { return(StatusCode(HttpStatusCode.MethodNotAllowed)); } }