static void Main(string[] args)
{
Console.WriteLine("############ Third party Youtube library #############");
var youTubeService = new ThirdPartyYouTubeLib();
var youTubeServiceProxy = new CachedThirdPartyYouTubeLib(youTubeService);
var manager = new YouTubeManager(youTubeServiceProxy);
Console.WriteLine("Caching request to a third party library from youtube. (Lazy initialization)");
Console.WriteLine("First time calling youtube service methods");
var renderedvideo = manager.RenderVideoPage(1); // Id doesn't matter. Video has an auto incremental approach implemented
Console.WriteLine($"Rendered Video Page: {renderedvideo.ToString()}");
var donwloadedVideo = manager.DownloadVideo(1);
Console.WriteLine($"Donwloaded Video: {donwloadedVideo.ToString()}");
var videos = manager.RenderListPanel();
foreach (var video in videos)
{
Console.WriteLine($"Rendered Video Page: {video.ToString()}");
}
Console.WriteLine("\nSecond time calling youtube service methods");
var renderedvideo2 = manager.RenderVideoPage(1);
Console.WriteLine($"Rendered Video Page: {renderedvideo2.ToString()}");
var donwloadedVideo2 = manager.DownloadVideo(1);
Console.WriteLine($"Donwloaded Video: {donwloadedVideo2.ToString()}");
var videos2 = manager.RenderListPanel();
foreach (var video in videos2)
{
Console.WriteLine($"Rendered Video Page: {video.ToString()}");
}
Console.WriteLine("\nVideo object should be instanciated just 3 times.");
Console.WriteLine("Then youtube service uses only cached values");
Console.WriteLine("Because these objects are cached");
}
public CachedThirdPartyYouTubeLib(ThirdPartyYouTubeLib service)
{
_service = service;
}