public async Task Run(
[ServiceBusTrigger("neworders", Connection = "ServiceBus")]
NewOrderMessage message,
[CosmosDB("ordersservice", "data", ConnectionStringSetting = "CosmosDB")]
IAsyncCollector <NewOrderMessage> data,
[ServiceBus("ordersforshipping", Connection = "ServiceBus")]
IAsyncCollector <NewOrderMessage> messages,
[SignalR(HubName = "ordersHub", ConnectionStringSetting = "SignalR")]
IAsyncCollector <SignalRMessage> notificationMessages,
ILogger log)
{
log.LogInformation("CreateNewOrder SB queue trigger function processed a request.");
// TODO: talk to other systems, do checks etc. ... - the REAL work :-)
try
{
await data.AddAsync(message);
await data.FlushAsync();
}
catch (DocumentClientException dcx)
{
// TODO: retry policy...
log.LogError(dcx, "Cosmos DB Error");
throw;
}
try
{
await messages.AddAsync(message);
await messages.FlushAsync();
}
catch (ServiceBusException sbx)
{
// TODO: retry policy...
log.LogError(sbx, "Service Bus Error");
throw;
}
// NOTE: Group feature not yet available in SignalR binding
var messageToNotify = new { userId = message.UserId, orderId = message.Order.Id };
await notificationMessages.AddAsync(new SignalRMessage
{
Target = "orderCreated",
Arguments = new[] { messageToNotify }
});
}
public static async Task Run(
[ServiceBusTrigger("ordersforshipping", Connection = "ServiceBus")]
NewOrderMessage message,
[ServiceBus("shippingsinitiated", Connection = "ServiceBus")]
IAsyncCollector <ShippingCreatedMessage> shippingCreatedMessages,
ILogger log)
{
log.LogInformation($"CreateShipment ServiceBus topic trigger function processed message: {message}");
// NOTE: Look at our complex business logic!
// TODO: Yes - do the REAL STUFF here...
await Task.Delay(5000);
var shippingCreated = new ShippingCreatedMessage
{
Id = Guid.NewGuid(),
Created = DateTime.UtcNow,
OrderId = message.Order.Id,
UserId = message.UserId
};
log.LogInformation("New shipment: {0}", shippingCreated);
try
{
await shippingCreatedMessages.AddAsync(shippingCreated);
await shippingCreatedMessages.FlushAsync();
}
catch (ServiceBusException sbx)
{
// TODO: retry policy...
log.LogError(sbx, "Service Bus Error");
throw;
}
}