private static JProperty GetProperty(NuGetFeed feed)
{
return new JProperty(feed.Name, feed.Url);
}
public async Task <IEnumerable <(SourceRepository Repository, IPackageSearchMetadata Package)> > SearchPackagesAsync(NuGetFeed packageFeed,
string searchTerm, int maxResults = 128,
bool includePrerelease = false)
{
var providers = GetNugetResourceProviders();
var sourceRepo = GetSourceRepo(packageFeed, providers);
var packageSearchResource = await sourceRepo.GetResourceAsync <PackageSearchResource>();
SearchFilter searchFilter;
if (includePrerelease)
{
searchFilter = new SearchFilter(includePrerelease, SearchFilterType.IsAbsoluteLatestVersion);
}
else
{
searchFilter = new SearchFilter(includePrerelease);
}
var packages = await packageSearchResource.SearchAsync(searchTerm, searchFilter, 0, maxResults, _logger, CancellationToken.None);
return(packages.Select(x => (sourceRepo, x)));
}
public async Task <string[]> DownloadAsync(string packageFolder, string packageName, string packageVersion = null, bool includePrerelease = false,
NuGetFeed packageFeed = null, bool onlyDownload = false)
{
if (!Directory.Exists(packageFolder))
{
Directory.CreateDirectory(packageFolder);
}
var providers = GetNugetResourceProviders();
var settings = Settings.LoadDefaultSettings(packageFolder, null, new MachineWideSettings());
var packageSourceProvider = new PackageSourceProvider(settings);
var sourceRepositoryProvider = new SourceRepositoryProvider(packageSourceProvider, providers);
var dotNetFramework = Assembly
.GetEntryAssembly()
.GetCustomAttribute <TargetFrameworkAttribute>()?
.FrameworkName;
var frameworkNameProvider = new FrameworkNameProvider(
new[] { DefaultFrameworkMappings.Instance },
new[] { DefaultPortableFrameworkMappings.Instance });
var nuGetFramework = NuGetFramework.ParseFrameworkName(dotNetFramework, frameworkNameProvider);
IPackageSearchMetadata package = null;
SourceRepository sourceRepo = null;
if (!string.IsNullOrWhiteSpace(packageFeed?.Feed))
{
sourceRepo = GetSourceRepo(packageFeed, providers);
package = await SearchPackageAsync(packageName, packageVersion, includePrerelease, sourceRepo);
}
else
{
foreach (var repo in sourceRepositoryProvider.GetRepositories())
{
if (packageFeed != null && repo.PackageSource.Name != packageFeed.Name)
{
continue;
}
package = await SearchPackageAsync(packageName, packageVersion, includePrerelease, repo);
if (package != null)
{
sourceRepo = repo;
break;
}
}
}
if (package == null)
{
throw new PackageNotFoundException($"Couldn't find package '{packageVersion}'.{packageVersion}.");
}
var project = new PluginFolderNugetProject(packageFolder, package, nuGetFramework, onlyDownload);
var packageManager = new NuGetPackageManager(sourceRepositoryProvider, settings, packageFolder)
{
PackagesFolderNuGetProject = project
};
var clientPolicyContext = ClientPolicyContext.GetClientPolicy(settings, _logger);
var projectContext = new FolderProjectContext(_logger)
{
PackageExtractionContext = new PackageExtractionContext(
PackageSaveMode.Defaultv2,
PackageExtractionBehavior.XmlDocFileSaveMode,
clientPolicyContext,
_logger)
};
var resolutionContext = new ResolutionContext(
DependencyBehavior.Lowest,
includePrerelease,
includeUnlisted: false,
VersionConstraints.None);
var downloadContext = new PackageDownloadContext(
resolutionContext.SourceCacheContext,
packageFolder,
resolutionContext.SourceCacheContext.DirectDownload);
// We are waiting here instead of await as await actually doesn't seem to work correctly.
packageManager.InstallPackageAsync(
project,
package.Identity,
resolutionContext,
projectContext,
downloadContext,
sourceRepo,
new List <SourceRepository>(),
CancellationToken.None).Wait();
if (onlyDownload)
{
var versionFolder = Path.Combine(packageFolder, package.Identity.ToString());
return(Directory.GetFiles(versionFolder, "*.*", SearchOption.AllDirectories));
}
return(await project.GetPluginAssemblyFilesAsync());
}
public NuGetStore(NuGetFeed feed, string packagesCachePath)
{
_feed = feed;
_packagesCachePath = packagesCachePath;
}
private void UnsubscribeFromFeedPropertyChanged(NuGetFeed feed)
{
feed.PropertyChanged -= OnFeedPropertyPropertyChanged;
}
private void SubscribeToFeedPropertyChanged(NuGetFeed feed)
{
feed.PropertyChanged += OnFeedPropertyPropertyChanged;
}
public NuGetPackageListCrawler(NuGetFeed feed)
{
ArgumentNullException.ThrowIfNull(feed);
_feed = feed;
}
public static async Task CreateAsync(string packageListPath)
{
var feed = new NuGetFeed(NuGetFeeds.NuGetOrg);
Console.WriteLine($"Fetching owner information...");
var ownerInformation = await feed.GetOwnerMappingAsync();
var packageDocument = new XDocument();
var root = new XElement("packages");
packageDocument.Add(root);
var packageIds = ownerInformation.Keys
.ToHashSet(StringComparer.OrdinalIgnoreCase)
.Where(id => IsOwnedByDotNet(ownerInformation, id) &&
PackageFilter.Default.IsMatch(id))
.ToArray();
Console.WriteLine($"Found {packageIds.Length:N0} relevant platform package IDs.");
Console.WriteLine($"Filtering to latest versions...");
var filteredPackages = new ConcurrentBag <PackageIdentity>();
await Parallel.ForEachAsync(packageIds, async (packageId, _) =>
{
var versions = await feed.GetAllVersionsAsync(packageId);
var identities = versions.Select(v => new PackageIdentity(packageId, v))
.OrderByDescending(v => v.Version, VersionComparer.VersionReleaseMetadata)
.ToArray();
var latestStable = identities.FirstOrDefault(i => !i.Version.IsPrerelease);
var latestPrerelease = identities.FirstOrDefault(i => i.Version.IsPrerelease);
if (latestStable is not null && latestPrerelease is not null)
{
var stableIsNewer = VersionComparer.VersionReleaseMetadata.Compare(latestPrerelease.Version, latestStable.Version) <= 0;
if (stableIsNewer)
{
latestPrerelease = null;
}
}
if (latestStable is not null)
{
filteredPackages.Add(latestStable);
}
if (latestPrerelease is not null)
{
filteredPackages.Add(latestPrerelease);
}
});
Console.WriteLine($"Found {filteredPackages.Count:N0} platform package versions.");
foreach (var item in filteredPackages.OrderBy(pi => pi.Id)
.ThenBy(pi => pi.Version, VersionComparer.VersionReleaseMetadata))
{
var e = new XElement("package",
new XAttribute("id", item.Id),
new XAttribute("version", item.Version)
);
root.Add(e);
}
Directory.CreateDirectory(Path.GetDirectoryName(packageListPath));
packageDocument.Save(packageListPath);
}