public void CurrentConditionsSubscriber_NotifyFirstChange_Temperature()
{
var wdp = new WeatherDataProvider();
var ccs = new CurrentConditionsSubscriber(wdp);
wdp.SetMeasurements(10, 20, 30);
Assert.That(ccs.Data.Temperature, Is.EqualTo(10.0).Within(0.001));
}
public void CurrentConditionsSubscriber_NotifySecondChange_Temperature()
{
var wdp = new WeatherDataProvider();
var ccs = new CurrentConditionsSubscriber(wdp);
wdp.Notify(10, 20, 30);
wdp.Notify(40, 50, 60);
Assert.That(ccs.Data.Temperature, Is.EqualTo(40.0).Within(0.001));
}
/// <summary>
/// Esta tecnica, hace uso de las interfaces proveidas por el framework
/// <see cref="IObservable{T}" /> <see cref="IObserver{T}" />
/// </summary>
private static void TechniqueUsingNet()
{
var provider = new WeatherDataProvider(); //creamos el proveedor
var currentDisp = new CurrentConditionsDisplay(provider); //Suscribimos a [Condiciones actuales] al proveedor
var forecastDisp = new ForecastDisplay(provider); //Suscribimos a [Prediciones del clima] al proveedor
provider.SetMeasurements(40, 78, 3); //Indicamos al proveedor unas condiciones de clima
Console.WriteLine();
provider.SetMeasurements(45, 79, 4); //..
Console.WriteLine();
provider.SetMeasurements(46, 73, 6); //..
//Remove forecast display
forecastDisp.Unsubscribe(); // Desinscribimos a [Prediciones del clima] debido a que éste ya no desea ser notificado
Console.WriteLine();
provider.SetMeasurements(36, 53, 8); //Comprobamos que al indicar unas nuevas condiciones de clima, el observador [Prediciones del clima] ya no es notificado
Console.Read();
}
public WeatherViewBViewModel(WeatherDataProvider weatherDataProvider)
{
_weatherDataProvider = weatherDataProvider;
_preparedForecastsCollection = new ObservableCollection <PreparedForecast>();
DateTime date = DateTime.Parse(_weatherDataProvider.HourlyForecastList[0].DateTime);
foreach (var element in _weatherDataProvider.HourlyForecastList)
{
DateTime dateTime = DateTime.Parse(element.DateTime);
string img = "Resources/" + element.WeatherIcon + "-s.png";
string temp = element.Temperature.Value.ToString() + "°C";
string precType = element.PrecipitationType;
string precInt = element.PrecipitationIntensity;
string precProb = "";
if (element.HasPrecipitation == "true")
{
precProb = element.PrecipitationProbability + "%";
}
_preparedForecastsCollection.Add(new PreparedForecast(dateTime, img, temp, precType, precInt, precProb));
}
}
public CurrentConditionsSubscriber(WeatherDataProvider weatherDataProvider)
{
_wDataProvider = weatherDataProvider;
_wDataProvider.RaiseWeatherDataChangedEvent += providerRaiseWeatherDataChangedEvent;
}
public ForecastSubscriber(WeatherDataProvider weatherDataProvider)
{
_wDataProvider = weatherDataProvider;
_wDataProvider.RaiseWeatherDataChangedEvent += providerRaiseWeatherDataChangedEvent;
}
public CurrentConditionsDisplay(WeatherDataProvider provider)
{
this.provider = provider;
}
/// <summary>
/// Registra el evento de cambio de informacion
/// </summary>
/// <param name="provider"></param>
public ForecastDisplay(WeatherDataProvider provider)
{
_wDprovider = provider;
_wDprovider.RaiseWeatherDataChangedEvent += provider_RaiseWeatherDataChangedEvent;
}
public ForecastDisplay(WeatherDataProvider provider)
{
this.provider = provider;
}
public WeatherViewAViewModel(WeatherDataProvider weatherDataProvider)
{
_weatherDataProvider = weatherDataProvider;
}
/// <summary>
/// Registra el evento de cambio de informacion
/// </summary>
/// <param name="provider"></param>
public CurrentConditionsDisplay(WeatherDataProvider provider)
{
_wDprovider = provider;
_wDprovider.RaiseWeatherDataChangedEvent += provider_RaiseWeatherDataChangedEvent;
}
