/// <summary>
/// Retrieves the number of extensions from a feed source.
/// </summary>
/// <param name="packagingSource">The packaging source from where to get the extensions.</param>
/// <param name="query">The optional query to retrieve the extensions.</param>
/// <returns>The number of extensions from a feed source.</returns>
public int GetExtensionCount(PackagingSource packagingSource = null, Func<IQueryable<PublishedPackage>, IQueryable<PublishedPackage>> query = null)
{
return (packagingSource == null ? GetSources() : new[] { packagingSource })
.Sum( source => {
var galleryFeedContext = new GalleryFeedContext(new Uri(source.FeedUrl));
IQueryable<PublishedPackage> packages = galleryFeedContext.Packages;
if (query != null) {
packages = query(packages);
}
return packages.Count();
}
);
}
private static IEnumerable<PackagingEntry> GetExtensionListFromSource(bool includeScreenshots, PackagingSource packagingSource, Func<IQueryable<PublishedPackage>, IQueryable<PublishedPackage>> query, PackagingSource source) {
var galleryFeedContext = new GalleryFeedContext(new Uri(source.FeedUrl)) { IgnoreMissingProperties = true };
// Setup compression
galleryFeedContext.SendingRequest += (o, e) => {
if (e.Request is HttpWebRequest) {
(e.Request as HttpWebRequest).AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate;
}
};
// Include screenshots if needed
IQueryable<PublishedPackage> packages = includeScreenshots
? galleryFeedContext.Packages.Expand("Screenshots")
: galleryFeedContext.Packages;
if (query != null) {
packages = query(packages);
}
return packages.ToList().Select(p => CreatePackageEntry(p, packagingSource, galleryFeedContext.GetReadStreamUri(p)));
}
/// <summary>
/// Retrieves the list of extensions from a feed source.
/// </summary>
/// <param name="includeScreenshots">Specifies if screenshots should be included in the result.</param>
/// <param name="packagingSource">The packaging source from where to get the extensions.</param>
/// <param name="query">The optional query to retrieve the extensions.</param>
/// <returns>The list of extensions.</returns>
public IEnumerable<PackagingEntry> GetExtensionList(bool includeScreenshots, PackagingSource packagingSource = null, Func<IQueryable<PublishedPackage>, IQueryable<PublishedPackage>> query = null)
{
return (packagingSource == null ? GetSources() : new[] {packagingSource})
.SelectMany(
source => {
var galleryFeedContext = new GalleryFeedContext(new Uri(source.FeedUrl));
IQueryable<PublishedPackage> packages = includeScreenshots
? galleryFeedContext.Packages.Expand("Screenshots")
: galleryFeedContext.Packages;
if (query != null) {
packages = query(packages);
}
return packages.ToList().Select(p => CreatePackageEntry(p, packagingSource, galleryFeedContext.GetReadStreamUri(p)));
}
);
}
