static async Task Main(string[] args)
{
var random = new Random();
var weatherGettinator = new StopWatchDecoratorWeather(new WeatherGettinator(random));
var cachedWeatherGettinator =
new StopWatchDecoratorWeather(new CachedWeatherGettinator(new WeatherGettinator(random)));
var sb = new StringBuilder()
.AppendLine()
.AppendLine("Decorator Pattern Demonstration console app thinger.")
.AppendLine("Menu:")
.AppendLine()
.AppendLine($"\t0. Exit.")
.AppendLine($"\t1. Get long running weather.")
.AppendLine($"\t2. Get long running weather but using a 'caching' service. (Previously run weather retrieved via the cached service, is cached 30 seconds)")
.AppendLine($"{Environment.NewLine}-----{Environment.NewLine}");
var menuText = sb.ToString();
var escape = false;
while (!escape)
{
Console.WriteLine(menuText);
var key = Console.ReadKey().KeyChar;
IWeatherGettinator decoratedClass = null;
switch (key)
{
case '0':
escape = true;
continue;
case '1':
decoratedClass = weatherGettinator;
break;
case '2':
decoratedClass = cachedWeatherGettinator;
break;
default:
Console.WriteLine("Invalid menu item.");
continue;
}
Console.Clear();
Console.WriteLine($"{Environment.NewLine}Working...");
var weather = decoratedClass.GetWeather();
WriteWeather(await weather);
Console.WriteLine("Weather has been gettinated. Press any key to get back to the menu.");
Console.ReadKey();
}
Console.WriteLine("Fin.");
}
public StopWatchDecoratorWeather(IWeatherGettinator weatherGettinator)
{
_weatherGettinator = weatherGettinator;
}
public CachedWeatherGettinator(IWeatherGettinator weatherGettinator)
{
_weatherGettinator = weatherGettinator;
}
