public virtual async Task <string?> DownloadYouTubeAsync(string url, MediaType.MediaCodec codec)
{
string unified = YouTuberHelpers.UnifyYouTubeUrl(url);
if (string.IsNullOrWhiteSpace(unified))
{
return(Config.InvalidYouTube);
}
if (IsDuplicate(unified))
{
return(Config.DuplicateYouTube);
}
IEnumerable <YouTubeVideo> videos = await _client.GetAllAvailableFormatAsync(unified);
var video = FilterOnlyVideoFormats(videos).MaxBy(e => e.Resolution);
string validationMessage = ValidateVideo(video);
if (validationMessage != "OK")
{
return(validationMessage);
}
YouTuberHelpers.CreateFolder(Config.BaseFolder);
string path = Path.Combine(Config.BaseFolder, video !.FullName);
await File.WriteAllBytesAsync(path, await video.GetBytesAsync());
GetAudio(path, codec);
return($"{video.Title} is ready under {Config.BaseFolder}");
}
public void FileToListFileTest()
{
YouTuberHelpers.CreateSampleList();
var fileToList = YouTuberHelpers.FileToList(Config.DownloadFile);
fileToList.Count().ShouldBe(3);
File.Delete(Config.DownloadFile);
}
public void IsDuplicateTest()
{
var service = new YouTubeService();
service
.IsDuplicate(YouTuberHelpers.UnifyYouTubeUrl("https://www.youtube.com/watch?v=3rJfBFamlIw"))
.ShouldBe(false);
service
.IsDuplicate(YouTuberHelpers.UnifyYouTubeUrl("https://www.youtube.com/watch?v=3rJfBFamlIw"))
.ShouldBe(true);
service
.IsDuplicate(YouTuberHelpers.UnifyYouTubeUrl("https://www.youtube.com/watch?v=3rJfBFamlIw"))
.ShouldBe(true);
}
public void MapAudioTypeTest(int order, string input, MediaType.MediaCodec expected)
{
var codec = YouTuberHelpers.MapAudioType(input);
codec.ShouldBe(expected);
}
public void UnifyYouTubeUrlTest(int order, string input, string expected)
{
var youTubeUrl = YouTuberHelpers.UnifyYouTubeUrl(input);
youTubeUrl.ShouldBe(expected);
}
