// Server side handler for the setPreferredSupplierForProduct RPC
public override async Task <Empty> setPreferredSupplierForProduct(setPreferredSupplierForProductRequest request, ServerCallContext context)
{
//var scoped = _serviceProvider.CreateScope();
//var supplierService = scoped.ServiceProvider.GetRequiredService<SupplierService>();
//var supplier = supplierService.findById(request.PrefSupplier.Id);
//var product = supplierService.findProductById(request.ProductReq.Id);
//supplierService.setPreferredSupplierForProduct(supplier, product, request.ProductReq.Id);
//return null;
if (!products.Contains(request.ProductReq))
{
throw new UnknownProductException();
}
if (!suppliers.Contains(request.PrefSupplier))
{
throw new UnknownSupplierException();
}
foreach (var product in products)
{
if (product.Id == request.ProductReq.Id)
{
lock (myLock)
{
Task.Run(() =>
product.Preferredsupplier = request.PrefSupplier.Id);
}
return(await Task.FromResult(new Empty { Info = 1 }));
}
}
return(await Task.FromResult(new Empty { Info = 0 }));
}
// Realisierung von setPreferredSupplierForProduct
public async Task setPreferredSupplierForProduct(setPreferredSupplierForProductRequest x)
{
Console.WriteLine("***** Task setPreferredSupplierForProduct *****");
var result = await _client.setPreferredSupplierForProductAsync(x);
// 0 ist der Defaultwert für int32 Felder
if (result.Info != 1)
{
throw new Exception("An unknown error has occured. Please contact the developers for further help.");
}
}
