public async Task <Coupon> GetCoupon(Guid couponId)
{
var id = Activity.Current.TraceId.ToString();
try
{
GetCouponByIdRequest getCouponByIdRequest = new GetCouponByIdRequest {
CouponId = couponId.ToString()
};
GetCouponByIdResponse getCouponByIdResponse = await discountsService.GetCouponAsync(getCouponByIdRequest);
var coupon = new Coupon
{
Code = getCouponByIdResponse.Coupon.Code,
Amount = getCouponByIdResponse.Coupon.Amount,
AlreadyUsed = getCouponByIdResponse.Coupon.AlreadyUsed,
CouponId = Guid.Parse(getCouponByIdResponse.Coupon.CouponId)
};
return(coupon);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public async Task <IActionResult> ApplyCouponToBasket(Guid basketId, Coupon coupon)
{
var basket = await basketRepository.GetBasketById(basketId);
if (basket == null)
{
return(BadRequest());
}
basket.CouponId = coupon.CouponId;
await basketRepository.SaveChanges();
return(Accepted());
}
public async Task <IActionResult> CheckoutBasketAsync([FromBody] BasketCheckout basketCheckout)
{
try
{
//based on basket checkout, fetch the basket lines from repo
var basket = await basketRepository.GetBasketById(basketCheckout.BasketId);
if (basket == null)
{
return(BadRequest());
}
BasketCheckoutMessage basketCheckoutMessage = mapper.Map <BasketCheckoutMessage>(basketCheckout);
basketCheckoutMessage.BasketLines = new List <BasketLineMessage>();
int total = 0;
foreach (var b in basket.BasketLines)
{
var basketLineMessage = new BasketLineMessage
{
BasketLineId = b.BasketLineId,
Price = b.Price,
TicketAmount = b.TicketAmount
};
total += b.Price * b.TicketAmount;
basketCheckoutMessage.BasketLines.Add(basketLineMessage);
}
//apply discount by talking to the discount service
Coupon coupon = null;
//if (basket.CouponId.HasValue)
// coupon = await discountService.GetCoupon(basket.CouponId.Value);
if (basket.CouponId.HasValue)
{
coupon = await discountService.GetCouponWithError(basket.CouponId.Value);
}
//var channel = GrpcChannel.ForAddress("https://localhost:5007");
//DiscountService discountService = new DiscountService(new Discounts.DiscountsClient(channel));
//if (basket.CouponId.HasValue)
// coupon = await discountService.GetCoupon(basket.CouponId.Value);
if (coupon != null)
{
basketCheckoutMessage.BasketTotal = total - coupon.Amount;
}
else
{
basketCheckoutMessage.BasketTotal = total;
}
try
{
await messageBus.PublishMessage(basketCheckoutMessage, "checkoutmessage");
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
await basketRepository.ClearBasket(basketCheckout.BasketId);
return(Accepted(basketCheckoutMessage));
}
catch (BrokenCircuitException ex)
{
string message = ex.Message;
return(StatusCode(StatusCodes.Status500InternalServerError, ex.StackTrace));
}
catch (Exception e)
{
return(StatusCode(StatusCodes.Status500InternalServerError, e.StackTrace));
}
}
public async Task <IActionResult> CheckoutBasketAsync([FromBody] BasketCheckout basketCheckout)
{
using var scope = logger.BeginScope("Checking out basket {BasketId}", basketCheckout.BasketId);
try
{
//based on basket checkout, fetch the basket lines from repo
var basket = await basketRepository.GetBasketById(basketCheckout.BasketId);
if (basket == null)
{
logger.LogWarning("Basket was not found");
return(BadRequest());
}
logger.LogDebug("Loaded basket");
BasketCheckoutMessage basketCheckoutMessage = mapper.Map <BasketCheckoutMessage>(basketCheckout);
basketCheckoutMessage.BasketLines = new List <BasketLineMessage>();
int total = 0;
foreach (var b in basket.BasketLines)
{
var basketLineMessage = new BasketLineMessage
{
BasketLineId = b.BasketLineId,
Price = b.Price,
TicketAmount = b.TicketAmount
};
total += b.Price * b.TicketAmount;
basketCheckoutMessage.BasketLines.Add(basketLineMessage);
}
//apply discount by talking to the discount service
Coupon coupon = null;
var channel = GrpcChannel.ForAddress("https://localhost:5007");
DiscountService discountService = new DiscountService(new Discounts.DiscountsClient(channel));
if (basket.CouponId.HasValue)
{
coupon = await discountService.GetCoupon(basket.CouponId.Value);
}
if (coupon != null)
{
logger.LogDebug("Applying discount {DiscountAmount} from {CouponId}", coupon.Amount, basket.CouponId.Value);
basketCheckoutMessage.BasketTotal = total - coupon.Amount;
}
else
{
logger.LogDebug("No discount to apply");
basketCheckoutMessage.BasketTotal = total;
}
try
{
await messageBus.PublishMessage(basketCheckoutMessage, "checkoutmessage",
Activity.Current.TraceId.ToString());
logger.LogDebug("Published checkout message");
}
catch (Exception e)
{
logger.LogError(e, "Unable to publish checkout message");
throw;
}
await basketRepository.ClearBasket(basketCheckout.BasketId);
return(Accepted(basketCheckoutMessage));
}
catch (Exception e)
{
logger.LogError(e, "An exception occurred when checking out the basket");
return(StatusCode(StatusCodes.Status500InternalServerError, e.StackTrace));
}
}