private async Task RunAsync(CancellationToken cancellationToken)
{
// Generate a new PDF-based receipt, save it to Azure Blob storage, and update
// the customer's order record with the path to the PDF.
while (!cancellationToken.IsCancellationRequested)
{
Trace.TraceInformation("Checking Order Status");
// Grab order id from the Azure Queue.
var azureStorageMethods = new AzureStorageMethods();
int orderId = await azureStorageMethods.GetOrderIdFromQueue();
if (orderId > 0)
{
// We have received a new Order Id in the queue, requesting a generated Pdf receipt.
var order = new Order();
using (var orderActions = new OrderActions())
{
order = orderActions.GetOrder(orderId);
if (order != null && order.OrderId > 0)
{
var orderVm = DataMethods.MapOrderToViewModel(order);
var fileName = string.Format("ContosoSportsLeague-Store-Receipt-{0}.pdf", order.OrderId);
var receipt = new GenerateReceiptPDF().CreatePdfReport(orderVm, fileName);
Trace.TraceInformation("PDF generated. Saving to blob storage...");
var receiptUri = azureStorageMethods.UploadPdfToBlob(receipt, fileName);
// Update the generated receipt Uri on the order:
orderActions.UpdateReceiptUri(order.OrderId, receiptUri);
}
else
{
// We couldn't find the order for the passed in Order Id. We should log this somewhere.
Trace.TraceError("Could not find the order record based off of the passed in Id: " + orderId.ToString() + ". Receipt PDF not generated.");
}
}
}
Trace.TraceInformation("Pausing for 5 seconds before next check.");
System.Threading.Thread.Sleep(5000);
}
}