public async void Init(ShortAlbumInfo info)
{
this.ShortInfo = info;
var detailedInfo = await App.InfoProvider.GetDetailedAlbumInfo(info);
this.DetailedInfo = detailedInfo;
this.Tracks.Clear();
foreach (var track in detailedInfo.Tracks)
{
this.Tracks.Add(track);
}
}
public static DetailedAlbumInfo AlbumInfoFromDetailsPage(string html, ShortAlbumInfo info)
{
var documentNode = GetDocumentNode(html)
?? throw new ArgumentNullException("documentNode");
var header = documentNode.QuerySelector("div.album-header__metadata.js-album-header__metadata")
?? throw new ArgumentNullException("header");
var title = header.QuerySelector("h1.js-title.album-header__title.h2")
.GetAttributeValue("title", null) ?? throw new ArgumentNullException("title");
var artistHeader = header.QuerySelector("h2.album-header__artist-name.h6");
var artistNameContainer = artistHeader.QuerySelector("a") ?? artistHeader; // a is null for 'Various Artists'
//TODO also artist URL?
var artist = artistNameContainer.InnerText;
var releaseYear = header.QuerySelector("div.album-header__release-year").InnerText;
var tracksNumberDiv = header.QuerySelector("div.album-header__number-of-tracks");
var numberOfTracks = tracksNumberDiv.QuerySelector("span[data-bind=numberOfTracks]").InnerText;
var totalDuration = tracksNumberDiv.QuerySelector("span[data-bind=duration]")
.InnerText
.TrimStart('(')
.TrimEnd(')');
var tracksTableBody = documentNode.QuerySelector(TracksTableBodySelector)
?? throw new ArgumentNullException("tracksTableBody");
var tracks = GetTracks(tracksTableBody); //FIXME can return null so needs reattempts / waiting till the end
var copyright = documentNode.QuerySelector("small.album__copyright").InnerText;
var imageA = documentNode.QuerySelector("div.image.image--main.image--album.js-album-cover > a");
var largeImageStr = imageA.GetAttributeValue("href", null) ?? throw new ArgumentNullException("href");
var largeImageUrl = new Uri(largeImageStr);
var smallImageStr = imageA.QuerySelector("img").GetAttributeValue("src", null) ??
throw new ArgumentNullException("src");
var smallImageUrl = new Uri(smallImageStr);
return(new DetailedAlbumInfo(info, tracks, title, artist, releaseYear, totalDuration, copyright,
smallImageUrl, largeImageUrl));
}
public async Task <DetailedAlbumInfo> GetDetailedAlbumInfo(ShortAlbumInfo info)
{
var cached = WimpCache.ReadDetailedAlbumInfo(info.Id);
if (cached != null)
{
return(cached);
}
var parsed = await Utils.WithRetry(async() => {
var html = await SeleniumRequests.GetHtml(info.Url, CancellationToken.None);
return(WimpHtmlParsing.AlbumInfoFromDetailsPage(html, info));
});
WimpCache.SaveDetailedAlbumInfo(parsed);
return(parsed);
}
public static void SaveShortAlbumInfo(ShortAlbumInfo info)
{
JsonCacheUtils.SaveIntoJsonCache(info, ShortAlbumClz, info.Id);
}
