public async Task <IActionResult> DeleteFriendRequest([FromQuery] string username)
        {
            int userId = ClaimHelper.FindNameIdentifier(HttpContext.User.Claims);

            var response = await _friendService.DeleteFriendRequest(userId, username);

            if (!response.Success)
            {
                return(BadRequest(response.Message));
            }

            FriendDto friendDto = _mapper.Map <Friend, FriendDto>(response.Resource);

            return(Ok(friendDto));
        }