Web API to Add Item into Cart

AddToCart.cs

        [HttpPost("addcart")]
        public IActionResult AddCart(int userId, int productId)
        {
            try
            {                
                    var isProductAlreadyAdded = userCartEntity
                        .FindBy(a => a.UserId == userId && a.ProductId == productId && !a.IsDeleted).Any();
                    if (!isProductAlreadyAdded)
                    {
                        var userCart = new UserCartEntity
                        {
                            UserId = userId,
                            TotalQuantity = 1,
                            AddedDateTime = DateTime.Now,
                            IsDeleted = false,
                            ProductId = productId
                        };
                        userCartEntity.Add(userCart);
                        return Ok(new Status {IsSuccess = true, Message = "Item added to cart successfully."});
                    }
                
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex);
                return Ok(new Status { IsSuccess = false, Message = ex.Message });
            }

            return Ok();
        }