public async Task <ActionResult> VehicleEntry(VehicleRegistered msg, [FromServices] DaprClient daprClient)
{
// get vehicle details
var apiKeySecret = await daprClient.GetSecretAsync("local-secret-store", "rdw-api-key");
var apiKey = apiKeySecret["rdw-api-key"];
var vehicleInfo = await daprClient.InvokeMethodAsync <VehicleInfo>(
"governmentservice",
$"rdw/{apiKey}/vehicle/{msg.LicenseNumber}",
new HttpInvocationOptions { Method = HttpMethod.Get });
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{vehicleInfo.Brand} {vehicleInfo.Model} with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
Brand = vehicleInfo.Brand,
Model = vehicleInfo.Model,
EntryTimestamp = msg.Timestamp
};
await daprClient.SaveStateAsync <VehicleState>(DAPR_STORE_NAME, msg.LicenseNumber, vehicleState);
return(Ok());
}
public async Task <IActionResult> RegisterAsync([FromBody] RegisterVehicle command)
{
try
{
if (ModelState.IsValid)
{
// check invariants
if (!Regex.IsMatch(command.LicenseNumber, NUMBER_PATTERN, RegexOptions.IgnoreCase))
{
return(BadRequest($"The specified license-number '{command.LicenseNumber}' was not in the correct format."));
}
// insert vehicle
Vehicle vehicle = command.MapToVehicle();
_dbContext.Vehicles.Add(vehicle);
await _dbContext.SaveChangesAsync();
// send event
var e = VehicleRegistered.FromCommand(command);
await _messagePublisher.PublishMessageAsync(e.MessageType, e, "");
//return result
return(CreatedAtRoute("GetByLicenseNumber", new { licenseNumber = vehicle.LicenseNumber }, vehicle));
}
return(BadRequest());
}
catch (DbUpdateException)
{
ModelState.AddModelError("", "Unable to save changes. " +
"Try again, and if the problem persists " +
"see your system administrator.");
return(StatusCode(StatusCodes.Status500InternalServerError));
}
}
public void SendVehicleExit(VehicleRegistered vehicleRegistered)
{
var eventJson = JsonSerializer.Serialize(vehicleRegistered);
var message = JsonContent.Create <VehicleRegistered>(vehicleRegistered);
_httpClient.PostAsync("http://localhost:5000/exitcam", message).Wait();
}
public async Task <ActionResult> VehicleEntry(VehicleRegistered msg, [FromServices] DaprClient daprClient)
{
// get vehicle details
var vehicleInfo = await daprClient.InvokeMethodAsync <VehicleInfo>(
"governmentservice",
$"rdw/vehicle/{msg.LicenseNumber}",
new HttpInvocationOptions { Method = HttpMethod.Get });
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{vehicleInfo.Brand} {vehicleInfo.Model} with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
Brand = vehicleInfo.Brand,
Model = vehicleInfo.Model,
EntryTimestamp = msg.Timestamp
};
_repo.StoreVehicleState(vehicleState);
return(Ok());
}
public async Task RegisterEntry(VehicleRegistered msg)
{
try
{
Logger.LogInformation($"ENTRY detected in lane {msg.Lane} at " +
$"{msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
EntryTimestamp = msg.Timestamp
};
await this.StateManager.SetStateAsync("VehicleState", vehicleState);
// register a timer for cars that enter but don't exit within 20 seconds
// (they might have broken down and need road assistence)
//await RegisterTimerAsync("VehicleLost", "VehicleLost", null, TimeSpan.FromSeconds(20), TimeSpan.FromMilliseconds(20));
}
catch (Exception ex)
{
Logger.LogError(ex, "Error in RegisterEntry");
}
}
public void SendVehicleExit(VehicleRegistered vehicleRegistered)
{
var eventJson = JsonSerializer.Serialize(vehicleRegistered);
var message = new MqttApplicationMessage("trafficcontrol/exitcam", Encoding.UTF8.GetBytes(eventJson));
_client.PublishAsync(message, MqttQualityOfService.AtMostOnce).Wait();
}
public async Task <ActionResult> VehicleEntry(VehicleRegistered msg, [FromServices] IHttpClientFactory httpClientFactory)
{
// get vehicle details
var httpClient = httpClientFactory.CreateClient();
var response = await httpClient.GetAsync($"http://localhost:6000/rdw/vehicle/{msg.LicenseNumber}");
using var responseStream = await response.Content.ReadAsStreamAsync();
var vehicleInfo = await JsonSerializer.DeserializeAsync <VehicleInfo>(responseStream, _jsonSerializerOptions);
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{vehicleInfo.Brand} {vehicleInfo.Model} with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
Brand = vehicleInfo.Brand,
Model = vehicleInfo.Model,
EntryTimestamp = msg.Timestamp
};
_repo.StoreVehicleState(vehicleState);
return(Ok());
}
public async Task <ActionResult> VehicleEntry(
VehicleRegistered msg,
[FromServices] DaprClient daprClient)
{
try
{
// use service-invocation to get vehicle info
var vehicleInfo = await _governmentService.GetVehicleInfo(msg.LicenseNumber);
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{vehicleInfo.Brand} {vehicleInfo.Model} with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
Brand = vehicleInfo.Brand,
Model = vehicleInfo.Model,
EntryTimestamp = msg.Timestamp
};
await daprClient.SaveStateAsync <VehicleState>(DAPR_STORE_NAME, msg.LicenseNumber, vehicleState);
return(Ok());
}
catch
{
return(Ok(new { status = "RETRY" }));
}
}
public async Task <IActionResult> RegisterAsync([FromBody] RegisterVehicle command)
{
try
{
if (ModelState.IsValid)
{
// insert vehicle
Vehicle vehicle = command.MapToVehicle();
_dbContext.Vehicles.Add(vehicle);
await _dbContext.SaveChangesAsync();
// send event
var e = VehicleRegistered.FromCommand(command);
await _messagePublisher.PublishMessageAsync(e.MessageType, e, "");
//return result
return(CreatedAtRoute("GetByLicenseNumber", new { licenseNumber = vehicle.LicenseNumber }, vehicle));
}
return(BadRequest());
}
catch (DbUpdateException)
{
ModelState.AddModelError("", "Unable to save changes. " +
"Try again, and if the problem persists " +
"see your system administrator.");
return(StatusCode(StatusCodes.Status500InternalServerError));
}
}
public async Task <ActionResult> VehicleExit(VehicleRegistered msg, [FromServices] DaprClient daprClient)
{
try
{
// get vehicle state
var vehicleState = await _vehicleStateRepository.GetVehicleStateAsync(msg.LicenseNumber);
if (vehicleState == null)
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// update state
vehicleState.ExitTimestamp = msg.Timestamp;
await _vehicleStateRepository.SaveVehicleStateAsync(vehicleState);
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(
vehicleState.EntryTimestamp, vehicleState.ExitTimestamp);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of vehicle" +
$"with license-number {vehicleState.LicenseNumber}.");
var speedingViolation = new SpeedingViolation
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
// In last half of Assignment 3, update pub/sub to use Dapr ASP.NET Core client
// argument #1: Name of pub/sub component
// argument #2: Name of topic to which to publish
// argument #3: The message payload
// publish speedingviolation
await daprClient.PublishEventAsync("pubsub", "collectfine", speedingViolation);
// pub/sub code from first-half of Assignment 3
// var message = JsonContent.Create<SpeedingViolation>(speedingViolation);
// // Replace the hardcoded API code with a call to the Dapr pub/sub side car
// await _httpClient.PostAsync("http://localhost:3600/v1.0/publish/pubsub/collectfine", message);
// //await _httpClient.PostAsync("http://localhost:6001/collectfine", message);
}
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
public async Task SendVehicleExitAsync(VehicleRegistered vehicleRegistered)
{
var eventJson = JsonSerializer.Serialize(vehicleRegistered);
var message = new MqttApplicationMessageBuilder()
.WithTopic("trafficcontrol/exitcam")
.WithPayload(Encoding.UTF8.GetBytes(eventJson))
.WithAtMostOnceQoS()
.Build();
await _client.PublishAsync(message, CancellationToken.None);
}
public void Start(int camNumber)
{
Console.WriteLine($"Start camera {camNumber} simulation.");
// initialize state
_rnd = new Random();
var daprClient = new DaprClientBuilder()
.UseEndpoint("http://localhost:50003")
.Build();
while (true)
{
try
{
// simulate entry
TimeSpan entryDelay = TimeSpan.FromMilliseconds(_rnd.Next(_minEntryDelayInMS, _maxEntryDelayInMS) + _rnd.NextDouble());
Task.Delay(entryDelay).Wait();
Task.Run(() =>
{
// simulate entry
DateTime entryTimestamp = DateTime.Now;
var @event = new VehicleRegistered
{
Lane = _rnd.Next(1, 4),
LicenseNumber = GenerateRandomLicenseNumber(),
Timestamp = entryTimestamp
};
daprClient.PublishEventAsync("pubsub", "trafficcontrol.entrycam", @event).Wait();
Console.WriteLine($"Simulated ENTRY of vehicle with license-number {@event.LicenseNumber} in lane {@event.Lane}");
// simulate exit
TimeSpan exitDelay = TimeSpan.FromSeconds(_rnd.Next(_minExitDelayInS, _maxExitDelayInS) + _rnd.NextDouble());
Task.Delay(exitDelay).Wait();
@event.Timestamp = DateTime.Now;
@event.Lane = _rnd.Next(1, 4);
daprClient.PublishEventAsync("pubsub", "trafficcontrol.exitcam", @event).Wait();
Console.WriteLine($"Simulated EXIT of vehicle with license-number {@event.LicenseNumber} in lane {@event.Lane}");
});
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
public void Start(int camNumber)
{
Console.WriteLine($"Start camera {camNumber} simulation.");
// initialize state
_rnd = new Random();
var httpClient = new HttpClient();
while (true)
{
try
{
// simulate entry
TimeSpan entryDelay = TimeSpan.FromMilliseconds(_rnd.Next(_minEntryDelayInMS, _maxEntryDelayInMS) + _rnd.NextDouble());
Task.Delay(entryDelay).Wait();
Task.Run(() =>
{
// simulate entry
DateTime entryTimestamp = DateTime.Now;
var @event = new VehicleRegistered
{
Lane = _rnd.Next(1, 4),
LicenseNumber = GenerateRandomLicenseNumber(),
Timestamp = entryTimestamp
};
var @eventJson = new StringContent(JsonSerializer.Serialize(@event, _jsonSerializerOptions), Encoding.UTF8, "application/json");
httpClient.PostAsync("http://localhost:5000/trafficcontrol/entrycam", @eventJson).Wait();
Console.WriteLine($"Simulated ENTRY of vehicle with license-number {@event.LicenseNumber} in lane {@event.Lane}");
// simulate exit
TimeSpan exitDelay = TimeSpan.FromSeconds(_rnd.Next(_minExitDelayInS, _maxExitDelayInS) + _rnd.NextDouble());
Task.Delay(exitDelay).Wait();
@event.Timestamp = DateTime.Now;
@event.Lane = _rnd.Next(1, 4);
@eventJson = new StringContent(JsonSerializer.Serialize(@event, _jsonSerializerOptions), Encoding.UTF8, "application/json");
httpClient.PostAsync("http://localhost:5000/trafficcontrol/exitcam", @eventJson).Wait();
Console.WriteLine($"Simulated EXIT of vehicle with license-number {@event.LicenseNumber} in lane {@event.Lane}");
});
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
public async Task <ActionResult> VehicleExitAsync(VehicleRegistered msg, [FromServices] DaprClient daprClient)
{
try
{
// get vehicle state
var state = await _vehicleStateRepository.GetVehicleStateAsync(msg.LicenseNumber);
if (state == default(VehicleState))
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// update state
var exitState = state.Value with {
ExitTimestamp = msg.Timestamp
};
await _vehicleStateRepository.SaveVehicleStateAsync(exitState);
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(exitState.EntryTimestamp, exitState.ExitTimestamp.Value);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of vehicle" +
$"with license-number {state.Value.LicenseNumber}.");
var speedingViolation = new SpeedingViolation
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
// publish speedingviolation (Dapr publish / subscribe)
await daprClient.PublishEventAsync("pubsub", "speedingviolations", speedingViolation);
}
return(Ok());
}
catch (Exception ex)
{
_logger.LogError(ex, "Error occurred while processing EXIT");
return(StatusCode(500));
}
}
public async Task <ActionResult> VehicleExitAsync(VehicleRegistered msg)
{
try
{
var actorId = new ActorId(msg.LicenseNumber);
var proxy = ActorProxy.Create <IVehicleActor>(actorId, nameof(VehicleActor));
await proxy.RegisterExitAsync(msg);
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
public async Task <ActionResult> VehicleExit(VehicleRegistered msg)
{
try
{
var actorId = new ActorId(msg.LicenseNumber);
var proxy = ActorProxy.Create(actorId, "VehicleActor");
await proxy.InvokeMethodAsync("RegisterExit", msg);
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
public async Task <ActionResult> VehicleExit(VehicleRegistered msg)
{
try
{
// get vehicle state
var vehicleState = await _vehicleStateRepository.GetVehicleStateAsync(msg.LicenseNumber);
if (vehicleState == null)
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// update state
vehicleState.ExitTimestamp = msg.Timestamp;
await _vehicleStateRepository.SaveVehicleStateAsync(vehicleState);
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(
vehicleState.EntryTimestamp, vehicleState.ExitTimestamp);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of vehicle" +
$"with license-number {vehicleState.LicenseNumber}.");
var speedingViolation = new SpeedingViolation
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
// publish speedingviolation
var message = JsonContent.Create <SpeedingViolation>(speedingViolation);
await _httpClient.PostAsync("http://localhost:5001/collectfine", message);
}
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
public async Task <ActionResult> VehicleExit(
VehicleRegistered msg,
//[FromState(DAPR_STORE_NAME)]StateEntry<VehicleInfo> state,
[FromServices] DaprClient daprClient)
{
try
{
// get vehicle state
var state = await daprClient.GetStateEntryAsync <VehicleState>(DAPR_STORE_NAME, msg.LicenseNumber);
if (state.Value == null)
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{state.Value.Brand} {state.Value.Model} with license-number {msg.LicenseNumber}.");
// update state
state.Value.ExitTimestamp = msg.Timestamp;
await state.SaveAsync();
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(state.Value.EntryTimestamp, state.Value.ExitTimestamp);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of {state.Value.Brand} {state.Value.Model} " +
$"with license-number {state.Value.LicenseNumber}.");
var speedingViolation = new SpeedingViolation
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
await _governmentService.SendFine(speedingViolation);
}
return(Ok());
}
catch
{
return(Ok(new { status = "RETRY" }));
}
}
public async Task RegisterExitAsync(VehicleRegistered msg)
{
try
{
Logger.LogInformation($"EXIT detected in lane {msg.Lane} at " +
$"{msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// remove lost vehicle timer
await UnregisterReminderAsync("VehicleLost");
// get vehicle state
var vehicleState = await this.StateManager.GetStateAsync <VehicleState>("VehicleState");
vehicleState = vehicleState with {
ExitTimestamp = msg.Timestamp
};
await this.StateManager.SetStateAsync("VehicleState", vehicleState);
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(
vehicleState.EntryTimestamp, vehicleState.ExitTimestamp.Value);
if (violation > 0)
{
Logger.LogInformation($"Speeding violation detected ({violation} KMh) of vehicle " +
$"with license-number {vehicleState.LicenseNumber}.");
var speedingViolation = new SpeedingViolation
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
// publish speedingviolation (Dapr publish / subscribe)
await _daprClient.PublishEventAsync("pubsub", "speedingviolations", speedingViolation);
}
}
catch (Exception ex)
{
Logger.LogError(ex, "Error in RegisterExit");
}
}
public void Start()
{
Console.WriteLine($"Start camera {_camNumber} simulation.");
// initialize state
_rnd = new Random();
while (true)
{
try
{
// simulate entry
TimeSpan entryDelay = TimeSpan.FromMilliseconds(_rnd.Next(_minEntryDelayInMS, _maxEntryDelayInMS) + _rnd.NextDouble());
Task.Delay(entryDelay).Wait();
Task.Run(() =>
{
// simulate entry
DateTime entryTimestamp = DateTime.Now;
var vehicleRegistered = new VehicleRegistered
{
Lane = _camNumber,
LicenseNumber = GenerateRandomLicenseNumber(),
Timestamp = entryTimestamp
};
_trafficControlService.SendVehicleEntry(vehicleRegistered);
Console.WriteLine($"Simulated ENTRY of vehicle with license-number {vehicleRegistered.LicenseNumber} in lane {vehicleRegistered.Lane}");
// simulate exit
TimeSpan exitDelay = TimeSpan.FromSeconds(_rnd.Next(_minExitDelayInS, _maxExitDelayInS) + _rnd.NextDouble());
Task.Delay(exitDelay).Wait();
vehicleRegistered.Timestamp = DateTime.Now;
vehicleRegistered.Lane = _rnd.Next(1, 4);
_trafficControlService.SendVehicleExit(vehicleRegistered);
Console.WriteLine($"Simulated EXIT of vehicle with license-number {vehicleRegistered.LicenseNumber} in lane {vehicleRegistered.Lane}");
});
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
}
public override VehicleState When(VehicleState state, object @event)
{
return(@event switch
{
VehicleRegistered e => With(state, x =>
{
x.Id = e.VehicleId;
x.CustomerId = e.CustomerId;
x.State = e.State;
x.Registration = e.Registration;
x.MaxSpeed = e.MaxSpeed;
x.MaxTemperature = e.MaxTemperature;
}),
VehicleMaxSpeedAdjusted e => With(state, x => x.MaxSpeed = e.MaxSpeed),
VehicleMaxTemperatureAdjusted e => With(state, x => x.MaxTemperature = e.MaxTemperature),
VehicleOverheated e => Overheated(e.Temperature),
VehicleSpeeingDetected e => Speeding(e.RecordedSpeed),
_ => state
});
public async Task <ActionResult> VehicleEntryAsync(VehicleRegistered msg)
{
try
{
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState(msg.LicenseNumber, msg.Timestamp, null);
await _vehicleStateRepository.SaveVehicleStateAsync(vehicleState);
return(Ok());
}
catch (Exception ex)
{
_logger.LogError(ex, "Error occurred while processing ENTRY");
return(StatusCode(500));
}
}
public async Task <ActionResult> VehicleExit(VehicleRegistered msg, [FromServices] IHttpClientFactory httpClientFactory)
{
// get vehicle state
var state = _repo.GetVehicleState(msg.LicenseNumber);
if (state == null)
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{state.Brand} {state.Model} with license-number {state.LicenseNumber}.");
// update state
state.ExitTimestamp = msg.Timestamp;
_repo.StoreVehicleState(state);
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(state.EntryTimestamp, state.ExitTimestamp);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of {state.Brand} {state.Model} " +
$"with license-number {state.LicenseNumber}.");
var @event = new SpeedingViolationDetected
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
var @eventJson = new StringContent(JsonSerializer.Serialize(@event, _jsonSerializerOptions), Encoding.UTF8, "application/json");
var httpClient = httpClientFactory.CreateClient();
var response = await httpClient.PostAsync("http://localhost:6000/cjib/speedingviolation", @eventJson);
}
return(Ok());
}
public async Task <ActionResult> VehicleExit(VehicleRegistered msg, [FromServices] IHttpClientFactory httpClientFactory, [FromServices] DaprClient daprClient)
{
// get vehicle state
var state = await daprClient.GetStateEntryAsync <VehicleState>(DAPR_STORE_NAME, msg.LicenseNumber);
if (state.Value == null)
{
return(NotFound());
}
// log exit
_logger.LogInformation($"EXIT detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")}: " +
$"{state.Value.Brand} {state.Value.Model} with license-number {state.Value.LicenseNumber}.");
// update state
state.Value.ExitTimestamp = msg.Timestamp;
await state.SaveAsync();
// handle possible speeding violation
int violation = _speedingViolationCalculator.DetermineSpeedingViolationInKmh(state.Value.EntryTimestamp, state.Value.ExitTimestamp);
if (violation > 0)
{
_logger.LogInformation($"Speeding violation detected ({violation} KMh) of {state.Value.Brand} {state.Value.Model} " +
$"with license-number {state.Value.LicenseNumber}.");
var @event = new SpeedingViolationDetected
{
VehicleId = msg.LicenseNumber,
RoadId = _roadId,
ViolationInKmh = violation,
Timestamp = msg.Timestamp
};
await daprClient.PublishEventAsync <SpeedingViolationDetected>("pubsub", "cjib.speedingviolation", @event);
}
return(Ok());
}
public static Func <Task> GetHandler(IAsyncDocumentSession session, object @event)
{
return(@event switch
{
VehicleRegistered e =>
() =>
session.StoreAsync(
new VehicleItem
{
Id = GetDbId(e.VehicleId),
Registration = e.Registration,
MakeModel = e.MakeModel,
MaxSpeed = e.MaxSpeed,
MaxTemperature = e.MaxTemperature,
State = e.State,
Sensors = new List <VehicleItem.VehicleSensor>()
}
),
VehicleMaxSpeedAdjusted e =>
() => Update(e.VehicleId, x => x.MaxSpeed = e.MaxSpeed),
VehicleMaxTemperatureAdjusted e =>
() => Update(e.VehicleId, x => x.MaxTemperature = e.MaxTemperature),
VehicleSpeeingDetected e =>
() => Update(e.VehicleId, x => x.State = "Speeding"),
VehicleOverheated e =>
() => Update(e.VehicleId, x => x.State = "Overheated"),
Messages.Sensor.Events.SensorTelemetryReceived e =>
() => UpdateOneSensor(
e.VehicleId,
e.SensorId,
sensor =>
{
sensor.Speed = e.Speed;
sensor.Temperature = e.Temperature;
}
),
_ => (Func <Task>)null
});
public async Task <ActionResult> VehicleEntry(VehicleRegistered msg)
{
try
{
// log entry
_logger.LogInformation($"ENTRY detected in lane {msg.Lane} at {msg.Timestamp.ToString("hh:mm:ss")} " +
$"of vehicle with license-number {msg.LicenseNumber}.");
// store vehicle state
var vehicleState = new VehicleState
{
LicenseNumber = msg.LicenseNumber,
EntryTimestamp = msg.Timestamp
};
await _vehicleStateRepository.SaveVehicleStateAsync(vehicleState);
return(Ok());
}
catch
{
return(StatusCode(500));
}
}
public void It_should_book_registered_vehicle()
{
var licencePlate = LicencePlate.Create("123-123");
var registeredVehicle = new VehicleRegistered("123-123");
var vehicle = Vehicle.FromStream(
licencePlate: licencePlate,
events: registeredVehicle);
vehicle.Book(licencePlate, "Kernow", 1579132800, EndOf.Week);
var expected = new object[] {
new VehicleBooked(
licencePlate: "123-123",
location: "Kernow",
start: new DateTimeOffset(new DateTime(2020, 01, 16)).ToUnixTimeSeconds(),
finish: new DateTimeOffset(new DateTime(2020, 01, 16)).AddDays(7).AddSeconds(-1).ToUnixTimeSeconds()
)
};
DeepAssert.Equal(expected, vehicle.TakeChanges().ToArray());
Assert.Equal(0, vehicle.Version);
}
private async Task <bool> HandleAsync(VehicleRegistered e)
{
Console.WriteLine($"Vehicle registered: License = {e.LicenseNumber}, Brand = {e.Brand}, Type = {e.Type}, Owner Id: {e.OwnerId}");
try
{
await _dbContext.Vehicles.AddAsync(new Vehicle
{
LicenseNumber = e.LicenseNumber,
Brand = e.Brand,
Type = e.Type,
OwnerId = e.OwnerId
});
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateException)
{
Console.WriteLine($"Skipped adding vehicle with license number {e.LicenseNumber}.");
}
return(true);
}
private async Task <bool> HandleAsync(VehicleRegistered e)
{
Log.Information("Vehicle registered: {LicenseNumber}, {Brand}, {Type}, Owner Id: {OwnerId}",
e.Matricula, e.Marca, e.Modelo, e.OwnerId);
try
{
await _dbContext.Vehicles.AddAsync(new Vehicle
{
Matricula = e.Matricula,
Marca = e.Marca,
Modelo = e.Modelo,
OwnerId = e.OwnerId
});
await _dbContext.SaveChangesAsync();
}
catch (DbUpdateException)
{
Console.WriteLine($"Skipped adding vehicle with matricula {e.Matricula}.");
}
return(true);
}
