static PromoPackage CreatePromoPackage(char selection)
{
PromoPackage promoPackage = null;
if (selection == '1')
{
promoPackage = new PromoPackage()
{
ImageUri = GetUriForPromoImage("Soda.png"),
Price = 0.99,
ProductId = 1,
ProductTitle = "soda"
};
}
else
{
promoPackage = new PromoPackage()
{
ImageUri = GetUriForPromoImage("Water.png"),
Price = 0.75,
ProductId = 2,
ProductTitle = "water"
};
}
return(promoPackage);
}
static void Main(string[] args)
{
string deviceId = "112358";
bool keepLooping = true;
while (keepLooping)
{
Console.WriteLine("Which promo would you like to push out?");
Console.WriteLine("1. Soda");
Console.WriteLine("2. Water");
Console.WriteLine("Press any other key to quit.");
char selection = Console.ReadKey().KeyChar;
Console.WriteLine();
if (selection == '1' || selection == '2')
{
PromoPackage promoPackage = CreatePromoPackage(selection);
PushPromo(deviceId, promoPackage).Wait();
Console.WriteLine("Command sent");
}
else
{
keepLooping = false;
}
}
}
private async void ListenForControlMessages()
{
Task.Delay(3000).Wait();
while (true)
{
//TODO: 1. Receive messages intended for the device via the instance of _deviceClient.
Microsoft.Azure.Devices.Client.Message receivedMessage = await _deviceClient.ReceiveAsync();
// 5.Replace TODO 2 with the following:
//TODO: 2. A null message may be received if the wait period expired, so ignore and call the receive operation again
if (receivedMessage == null)
{
continue;
}
//6.Replace TODO 3 with the following:
//TODO: 3. Deserialize the received binary encoded JSON message into an instance of PromoPackage.
string receivedJSON = Encoding.ASCII.GetString(receivedMessage.GetBytes());
System.Diagnostics.Trace.TraceInformation("Received message: {0}", receivedJSON);
PromoPackage promo = Newtonsoft.Json.JsonConvert.DeserializeObject <PromoPackage>(receivedJSON);
//7.Replace TODO 4 with the following:
//TODO: 4. Acknowledge receipt of the message with IoT Hub
await _deviceClient.CompleteAsync(receivedMessage);
}
}
private async void ApplyPromoPackageAsync(PromoPackage promo)
{
CloudBlockBlob blob = new CloudBlockBlob(new Uri(promo.ImageUri));
string path = System.IO.Path.GetFullPath(String.Format("{0}-{1}.png", promo.ProductId, promo.ProductTitle));
if (!File.Exists(path))
{
await blob.DownloadToFileAsync(path, FileMode.Create);
}
SetPromo(promo.ProductTitle, promo.Price, promo.ProductId, path);
}
static async Task PushPromo(string deviceId, PromoPackage promoPackage)
{
//TODO: 1. Create a Service Client instance provided the _IoTHubConnectionString
_serviceClient = /*Complete this*/;
var promoPackageJson = JsonConvert.SerializeObject(promoPackage);
Console.WriteLine("Sending Promo Package:");
Console.WriteLine(promoPackageJson);
var commandMessage = new Message(Encoding.ASCII.GetBytes(promoPackageJson));
//TODO: 2. Send the command
await _serviceClient./*Complete this*/;
}