//private const int RUN_INTERVAL_MS = 0;
public DeliveryService(OrderDeliverer orderDeliverer)
{
this.orderDeliverer = orderDeliverer;
}
/// <summary>
/// The main entry point
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
IOrderStreamer orderStreamer = null;
// Make sure a file is present
if (args.Length == 0)
{
Console.WriteLine("A file path is required to run this program.");
}
else
{
// The time range for deliveries
DateTime today = new DateTime();
DateTime currentTime = new DateTime(today.Year, today.Month, today.Day, 6, 0, 0);
DateTime endTime = new DateTime(today.Year, today.Month, today.Day, 22, 0, 0);
// A file reader
var filePath = args[0];
TextReader orderReader = CreateFileReader(filePath);
// Run the delivery service if everything works out
if (orderReader != null)
{
orderStreamer = new OrderMockedTimeStreamer(orderReader, currentTime);
// Delivers orders (NOTE: I'm passing orderStreamer because of the time restriction)
Warehouse warehouse = new Warehouse(endTime);
OrderDeliverer orderDeliverer = new OrderDeliverer(warehouse, orderStreamer);
// Listen for incoming orders
orderStreamer.OnNewOrders(newOrder =>
{
warehouse.EnqueueForDelivery(newOrder);
});
orderStreamer.Start();
// Write the delivery results
var fileOutput = "DroneResults.txt";
using (StreamWriter file = new StreamWriter(fileOutput, false))
{
// Whenever a package is delivered, write to the results file
orderDeliverer.OnDeliveredOrder(deliveredOrder =>
{
file.WriteLine(String.Format("{0} {1}", deliveredOrder.Id, deliveredOrder.DepartureTime.ToString(OrderHelper.TIME_FORMAT)));
});
// Start the service: Will continously run the order deliverer
DeliveryService deliveryService = new DeliveryService(orderDeliverer);
deliveryService.Start(() =>
{
// Force the serve to stop when the stream is no longer active
// and the warehouse doesn't have any more orders
// NOTE: The orderStream.IsActive can be implemented to run indefinitely
if (!orderStreamer.IsActive && !warehouse.HasOrders)
{
deliveryService.Stop();
}
});
file.WriteLine("NPS: " + orderDeliverer.GetNps());
Console.WriteLine("Results located at " + Path.GetFullPath(fileOutput));
}
orderReader.Close();
}
}
Console.WriteLine();
Console.WriteLine("Press any key to continue.");
Console.ReadKey();
}