static async Task <double> ComputeSpeedAsync(CarScan carScan)
{
var distanceInKm = await GetDistanceAsync(carScan.StartScannerId, carScan.EndScannerId);
var durationInHours = carScan.EndTime.Subtract(carScan.StartTime).TotalHours;
var speed = distanceInKm / durationInHours;
return(speed);
}
public IEnumerable <CarScan> Get()
{
CarScan cs = new CarScan()
{
Action = CarStates.Start,
StartScannerId = "A",
StartTime = DateTime.Now,
LicensePlate = "1-ABC-AA"
};
return(new CarScan[] { cs });
}
private void StoreEvent(CarScan carscan)
{
var connectionString = "DefaultEndpointsProtocol=https;AccountName=mindparkwebjobs;AccountKey=D6BZdyaZq+kGMxq5H1oAXy9rMElxmcQFMy581uh8lbtDrt3cDEiiOzLoogQu8y6uO2WWixXQbVojURIJKCi3TA==";
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connectionString);
CloudTableClient tableClient = storageAccount.CreateCloudTableClient();
CloudTable table = tableClient.GetTableReference("CarScans");
table.CreateIfNotExists();
CarScanStorable carscanStorable = new CarScanStorable(carscan);
TableOperation insertOperation = TableOperation.Insert(carscanStorable);
table.Execute(insertOperation);
}
public async static Task <string> SendAsync(CarScan carScan)
{
var result = await client.PostAsync(
requestUri : "/api/Scanner",
content : new StringContent(
content: JsonConvert.SerializeObject(carScan),
encoding: Encoding.UTF8,
mediaType: "application/json"));
var response = await result.Content.ReadAsStringAsync();
Console.WriteLine(response);
return(response);
}
/// <summary>
/// TODO: Replace with your own actor method.
/// </summary>
/// <param name="count"></param>
/// <returns></returns>
async Task ICarActor.SetStateAsync(CarScan carscan)
{
try
{
CarScan cs;
var storedCarScan = await this.StateManager.GetStateAsync <CarScan>("state");
if (storedCarScan.Action == CarStates.Unknown)
{
cs = carscan;
}
else
{
cs = storedCarScan;
}
switch (carscan.Action)
{
case CarStates.Start:
break;
case CarStates.End:
cs.EndScannerId = carscan.EndScannerId;
cs.EndTime = carscan.EndTime;
cs.Speed = await ComputeSpeedAsync(cs);
break;
}
// Requests are not guaranteed to be processed in order nor at most once.
// The update function here verifies that the incoming state is greater than the current count to preserve order.
if (carscan.Action == CarStates.End)
{
StoreEvent(cs);
}
await this.StateManager.AddOrUpdateStateAsync("state", cs, (key, value) => cs.Action > value.Action?cs : value);
}
catch (Exception ex)
{
throw;
}
}
