public ActionResult <AddToCartResponseModel> AddToCart([FromBody] AddBookInputModel data) { AddToCartResponseModel res = new AddToCartResponseModel(); try { BookBL bl = new BookBL(DbContext); var temp = bl.SaveCart(data); res.data = temp; if (temp.BookID == Guid.Empty) { res.Message = "Item ini sudah ada di list keranjang / list order"; res.Response = false; } else { res.Message = "Item berhasil ditambahkan di keranjang"; res.Response = true; } return(Ok(res)); } catch (Exception ex) { res.Message = ex.Message; res.Response = false; return(BadRequest(res)); } }