private static void FillFeed(XmlDocument xml, MSYoutubeEntry feed)
{
feed.Title = GetNodeValue(xml.DocumentElement, "root:title");
feed.Author = GetNodeValue(xml.DocumentElement, "root:author/root:name");
feed.AuthorId = GetNodeValue(xml.DocumentElement, "root:author/yt:userId");
var nextPageUri = GetNodeValue(xml.DocumentElement, "root:link[@rel='next']/@href");
feed.NextPageUri = (String.IsNullOrEmpty(nextPageUri)) ? null : new Uri(nextPageUri);
string stotal = GetNodeValue(xml.DocumentElement, "openSearch:totalResults");
int total;
feed.Total = (int.TryParse(stotal, out total)) ? total : 0;
var nodes = GetNodes(xml.DocumentElement, "root:entry");
foreach (XmlElement node in nodes) {
var entry = new MSYoutubeEntry();
entry.Title = GetNodeValue(node, "root:title");
entry.Description = GetNodeValue(node, "media:group/media:description");
var tmp = GetNodeValue(node, "yt:position");
foreach (XmlElement thumbNode in GetNodes(node, "media:group/media:thumbnail")) {
var thumbnail = new MSYoutubeThumbnail();
thumbnail.Url = GetNodeValue(thumbNode, "@url");
thumbnail.Height = GetNodeValue(thumbNode, "@height");
thumbnail.Width = GetNodeValue(thumbNode, "@width");
entry.Thumbnails.Add(thumbnail);
}
tmp = GetNodeValue(node, "root:link[@rel='alternate']/@href");
Uri uri;
if (!Uri.TryCreate(tmp, UriKind.Absolute, out uri)) continue;
entry.Uri = uri;
feed.Entries.Add(entry);
}
}
public async Task _GetAsync(Uri uri, MSYoutubeEntry feed, MSYoutubeLoading loading = null)
{
if (feed.NextPageUri == null) return;
var xml = await GetXmlDocumentAsync(feed.NextPageUri);
FillFeed(xml, feed);
if (loading != null) loading(feed.Entries.Count, feed.Total);
await _GetAsync(uri, feed, loading);
}
public async Task<MSYoutubeEntry> GetAsync(YoutubeUrl youtubeUrl, Uri uri, MSYoutubeLoading loading = null)
{
var feed = new MSYoutubeEntry {YoutubeUrl = youtubeUrl, NextPageUri = new Uri(uri + ((String.IsNullOrEmpty(uri.Query)) ? "?" : "&") + "start-index=1&max-results=40")};
await _GetAsync(uri, feed, loading);
return feed;
}
private ObservableCollection<Feed> GetMembers(MSYoutubeEntry items)
{
var entries = new ObservableCollection<Feed>();
MSYoutubeEntry[] members;
try {
members = items.Entries.Where(member => member.Uri != null).ToArray();
} catch {
return entries;
}
foreach (var member in members) {
var thumbnailUrl = "";
var thumbnailUrls = new List<string>(member.Thumbnails.Count);
foreach (var tn in member.Thumbnails) {
thumbnailUrls.Add(tn.Url);
if (tn.Height == "90" && tn.Width == "120")
thumbnailUrl = tn.Url;
}
entries.Add(new YoutubeEntry(this) {
Title = member.Title,
Uri = member.Uri,
Description = member.Description,
ThumbnailUrl = thumbnailUrl
});
}
return entries;
}
