public override async Task TrackProductStream(TrackProductRequest request, IServerStreamWriter <TrackProductResponse> responseStream, ServerCallContext context)
{
while (!context.CancellationToken.IsCancellationRequested)
{
var product = await _productLoaderService.LoadProductAsync(request.ProductUrl);
if (product != null)
{
await responseStream.WriteAsync(
new TrackProductResponse
{
Description = product.Description,
Discount = product.Discount,
Id = (int)product.Id,
ImageUrl = product.ImageUrl,
Price = (float)product.Price,
Title = product.Title,
Url = product.Href,
SellStatus = product.SellStatus,
Status = product.Status,
});
}
await Task.Delay(TimeSpan.FromSeconds(15));
}
if (context.CancellationToken.IsCancellationRequested)
{
Console.WriteLine("Stream canceled");
}
}
public ApiResponse <TrackProductResponse> TrackProduct(TrackProductRequest request)
{
var response = new ApiResponse <TrackProductResponse>();
var result = _productService.TrackProduct(request);
if (!result.Success)
{
response.IsSuccess = false;
response.ErrorList.Add(new ApiError()
{
ErrorMessage = result.Message
});
}
return(response);
}
public override async Task <TrackProductResponse> TrackProduct(TrackProductRequest request, ServerCallContext context)
{
try
{
var product = await _productLoaderService.LoadProductAsync(request.ProductUrl);
if (product != null)
{
var savedProduct = await _productsService.AddOrUpdateProductAsync(product);
if (savedProduct != null)
{
var productResponse = new TrackProductResponse
{
Description = savedProduct.Description,
Discount = savedProduct.Discount,
Id = (int)savedProduct.Id,
ImageUrl = savedProduct.ImageUrl,
Price = (float)savedProduct.Price,
Title = savedProduct.Title,
Url = savedProduct.Href,
SellStatus = savedProduct.SellStatus,
Status = savedProduct.Status,
PrevPrice = (float)(savedProduct.PriceHistory?.OrderByDescending(x => x.LastUpdated).FirstOrDefault()?.Price ?? savedProduct.Price)
};
productResponse.AdditionalPrices.AddRange(savedProduct.AdditionalPrices.Select(x => new ProductAdditionalPricesResponse
{
Description = x.Description,
DiscountPrice = (float)x.DiscountPrice,
Id = x.Id,
LastUpdatedOn = Timestamp.FromDateTime(x.LastUpdated),
ProductId = x.ProductId,
Title = x.Title
}));
return(productResponse);
}
}
}
catch (Exception ex)
{
_logger.LogError($"An error has occurred when trying to add product for price tracking. {ex}");
}
return(null);
}
public Result TrackProduct(TrackProductRequest request)
{
var product = _productDal.Get(x => x.Url == request.Url).FirstOrDefault();
//ürün zaten var,takipçi listesini kontrol et isteği gönderen kullanıcı takipçi listesinde var mı
if (product != null)
{
//isteği gönderen kullanıcı takipçi listesinde var mı
if (!product.FollowerList.Contains(request.UserId))
{
product.FollowerList.Add(request.UserId);
_productDal.UpdateAsync(product.Id, product);
return(new SuccessResult("Successfull"));
}
else
{
return(new ErrorResult(MessageConstants.UserAlreadyTrackingThisProduct));
}
}
//ürün hiç eklenmemiş takibe başla
else
{
product = new DtProduct();
product.CreatedDate = new DateTime();
product.CreatedUser = request.UserId;
product.CurrentPrice = 0;
product.FirstPrice = 0;
product.FollowerList.Add(request.UserId);
product.IsTransferred = false;
product.Url = request.Url;
product.WebSite = request.WebSite;
_productDal.AddAsync(product);
return(new SuccessResult("Successfull"));
}
}
