/// <summary>
/// Gets YouTube/Vimeo video model for given <paramref name="videoUrl"/>.
/// </summary>
/// <remarks>
/// Returns empty <see cref="VideoModel"/> if <paramref name="videoUrl"/> is null.
/// </remarks>
/// <param name="videoUrl">YouTube or Vimeo video URL.</param>
/// <exception cref="NotSupportedException"><paramref name="video"/> doesn't refer to a Youtube or Vimeo video.</exception>
/// <exception cref="UriFormatException"><paramref name="videoUrl"/> is malformed URL.</exception>
public static VideoModel GetVideoModel(string videoUrl)
{
if (videoUrl == null)
{
return(new VideoModel());
}
// Throws exception if videoUrl is invalid URL.
var videoUri = new UriBuilder(videoUrl).Uri;
var match = VideoRegex.Match(videoUrl);
if (match.Success)
{
string videoId = String.Empty;
VideoKindEnum videoKind = VideoKindEnum.Unknown;
if (!String.IsNullOrEmpty(match.Groups["youtube"].Value))
{
// Search for ?v=XXX in URL.
var queryDictionary = HttpUtility.ParseQueryString(videoUri.Query);
videoId = queryDictionary[YOUTUBE_VIDEO_IDENTIFIER] ?? videoUri.AbsolutePath.Split('/').LastOrDefault();
videoKind = VideoKindEnum.Youtube;
}
else if (!String.IsNullOrEmpty(match.Groups["vimeo"].Value))
{
// Return last segment in absolute path as a video identifier.
videoId = videoUri.AbsolutePath.Split('/').LastOrDefault();
videoKind = VideoKindEnum.Vimeo;
}
return(new VideoModel(videoUrl, videoId, videoKind));
}
throw new NotSupportedException($"{videoUrl} doesn't refer to supported video type.");
}
public void GetVideoModel_ProvidedYoutubeOrVimeoUrl_GetCorrectVideoModel(string videoUrl, string expectedVideoId, VideoKindEnum expectedVideoKind)
{
var actualModel = VideoHelper.GetVideoModel(videoUrl);
Assert.That(actualModel, Is.Not.Null);
Assert.Multiple(() =>
{
Assert.That(actualModel.VideoUrl, Is.EqualTo(videoUrl));
Assert.That(actualModel.VideoId, Is.EqualTo(expectedVideoId));
Assert.That(actualModel.VideoKind, Is.EqualTo(expectedVideoKind));
});
}
public void GetVideoEmbedUrl_ProvidedVariousVideoKinds_GetCorrectVideoFormat(VideoKindEnum kind, string embedUrlPrefix)
{
var model = new VideoModel("foo", "123456", kind);
string actualEmbedUrl = VideoHelper.GetVideoEmbedUrl(model);
Assert.That(actualEmbedUrl, Does.StartWith(embedUrlPrefix));
}
/// <summary>
/// Create a new instance of <see cref="VideoWidgetViewModel"/>
/// </summary>
/// <param name="videoUrl">Video URL.</param>
/// <param name="videoId">Video identifier.</param>
/// <param name="videoKind">Video kind.</param>
public VideoWidgetViewModel(string videoUrl, string videoId, VideoKindEnum videoKind)
{
VideoUrl = videoUrl;
VideoId = videoId;
VideoKind = videoKind;
}
