/// <summary>
/// Initialises a new instance of the <see cref="SpeedCaptureMessage"/> class
/// and specifies the capture location <paramref name="location"/> and the captured
/// <paramref name="speeds"/>.
/// </summary>
/// <param name="location">The capture location.</param>
/// <param name="speeds">The captured speeds.</param>
/// <exception cref="System.ArgumentNullException">
/// Thrown when <paramref name="speeds"/> is <see langword="null"/>.
/// </exception>
public SpeedCaptureMessage(SpeedCaptureLocation location, KeyValuePair<string, int>[] speeds)
{
Guard.NotNull(speeds, "speeds");
Location = location;
Speeds = Array.AsReadOnly(speeds);
}
/// <summary>
/// Initialises a new instance of the <see cref="SpeedCaptureModel"/> class.
/// </summary>
/// <param name="driver">The driver which posted the speed.</param>
/// <param name="location">The capture location.</param>
/// <param name="speed">The captured speed.</param>
/// <exception cref="System.ArgumentNullException">
/// Thrown when <paramref name="driver"/> is <see langword="null"/>.
/// </exception>
public SpeedCaptureModel(DriverModel driver, SpeedCaptureLocation location, int speed)
{
Guard.NotNull(driver, "driver");
Driver = driver;
Location = location;
Speed = speed;
}
/// <summary>
/// Initialises a new instance of the <see cref="SetDriverSpeedMessage"/> class and
/// specifies if the Id of the driver, the speed capture location and the speed.
/// </summary>
/// <param name="driverId">The Id of the driver.</param>
/// <param name="location">The speed capture location.</param>
/// <param name="speed">The driver's speed.</param>
/// <exception cref="System.ArgumentOutOfRangeException">
/// Thrown when <paramref name="driverId"/> or <paramref name="speed"/> is negative.
/// </exception>
public SetDriverSpeedMessage(int driverId, SpeedCaptureLocation location, int speed)
: base(driverId)
{
Guard.InRange(speed >= 0, "speed");
Location = location;
Speed = speed;
}
private void UpdateCollection(SpeedCaptureLocation location, int driverId, int speed)
{
var collection = GetInnerCollection(location);
var existing = collection.Where(x => x.Driver.Id == driverId).FirstOrDefault();
if(existing != null)
{
if(speed <= existing.Speed)
{
return;
}
collection.Remove(existing);
}
if(collection.Count < MaxCollectionSize)
{
int insertIndex = collection.Count;
for(int i = 0; i < collection.Count; ++i)
{
if(speed > collection[i].Speed)
{
insertIndex = i;
break;
}
}
collection.Insert(insertIndex, CreateSpeedCaptureModel(location, driverId, speed));
}
else if(speed > collection.Last().Speed)
{
for(int i = 0; i < collection.Count; ++i)
{
if(speed > collection[i].Speed)
{
var previous = collection[i];
for(int j = i + 1; j < collection.Count; ++j)
{
var temp = collection[j];
collection[j] = previous;
previous = temp;
}
collection[i] = CreateSpeedCaptureModel(location, driverId, speed);
break;
}
}
}
NotifyIsEmptyChanged();
}
private ObservableCollection<SpeedCaptureModel> GetInnerCollection(SpeedCaptureLocation location)
{
switch(location)
{
case SpeedCaptureLocation.S1:
return InnerS1;
case SpeedCaptureLocation.S2:
return InnerS2;
case SpeedCaptureLocation.S3:
return InnerS3;
case SpeedCaptureLocation.Straight:
return InnerStraight;
default:
throw Guard.ArgumentOutOfRange("location");
}
}
private SpeedCaptureModel CreateSpeedCaptureModel(SpeedCaptureLocation location, int driverId, int speed)
{
return new SpeedCaptureModel(DriverLocator.GetDriver(driverId), location, speed);
}
/// <summary>
/// Gets the capture collection for the specified <paramref name="location"/>.
/// </summary>
/// <param name="location">the capture location.</param>
/// <returns>The capture collection for the specified <paramref name="location"/>.</returns>
/// <exception cref="System.ArgumentOutOfRangeException">
/// Thrown when <paramref name="location"/> is not valid.
/// </exception>
public ReadOnlyObservableCollection<SpeedCaptureModel> GetCollection(SpeedCaptureLocation location)
{
switch(location)
{
case SpeedCaptureLocation.S1:
return S1;
case SpeedCaptureLocation.S2:
return S2;
case SpeedCaptureLocation.S3:
return S3;
case SpeedCaptureLocation.Straight:
return Straight;
default:
throw Guard.ArgumentOutOfRange("location");
}
}