public PackageEntryInfo GetVersionInfo(PackageEntryInfo packageInfo, RequestWrapper request)
{
try
{
request.Debug(Messages.DebugInfoCallMethod, "NuGetFilesFeed3", "GetVersionInfo");
if (packageInfo == null)
{
throw new ArgumentNullException("packageInfo");
}
if (request == null)
{
throw new ArgumentNullException("request");
}
string query = String.Format(CultureInfo.InvariantCulture, Constants.VersionIndexTemplate, this.baseUrl, this.baseUrl.EndsWith("/") ? String.Empty : "/", packageInfo.Id.ToLowerInvariant());
Stream queryResponse = NuGetClient.DownloadDataToStream(query, request, ignoreNullResponse: true);
if (queryResponse != null)
{
dynamic root = DynamicJsonParser.Parse(new StreamReader(queryResponse).ReadToEnd());
if (root.HasProperty("versions"))
{
foreach (string v in root.versions)
{
packageInfo.AddVersion(new SemanticVersion(v));
}
}
else
{
request.Debug(Messages.VersionIndexDownloadFailed, packageInfo.Id);
}
}
else
{
request.Debug(Messages.VersionIndexDownloadFailed, packageInfo.Id);
}
}
finally
{
request.Debug(Messages.DebugInfoReturnCall, "NuGetFilesFeed3", "GetVersionInfo");
}
return(packageInfo);
}
private IEnumerable <PackageBase> GetPackagesForPackageEntry(dynamic packageEntry, NuGetSearchContext searchContext, RequestWrapper request)
{
PackageEntryInfo packageEntryInfo = new PackageEntryInfo(packageEntry.id);
if (!PackageFilterUtility.IsValidByName(packageEntryInfo, searchContext))
{
yield break;
}
// This will help us take packageEntryInfo.LatestVersion and packageEntryInfo.AbsoluteLatestVersion and get the matching package easily
// We're not setting isLatestVersion here so we don't have to deal with "is it latest or absolute latest"
Dictionary <SemanticVersion, PackageBase> versionToPackageTable = new Dictionary <SemanticVersion, PackageBase>();
NuGetSearchContext individualPackageSearchContext = new NuGetSearchContext()
{
PackageInfo = packageEntryInfo,
AllVersions = searchContext.AllVersions,
AllowPrerelease = searchContext.AllowPrerelease,
RequiredVersion = searchContext.RequiredVersion,
MinimumVersion = searchContext.MinimumVersion,
MaximumVersion = searchContext.MaximumVersion,
EnableDeepMetadataBypass = searchContext.EnableDeepMetadataBypass
};
bool latestVersionRequired = !searchContext.AllVersions && searchContext.RequiredVersion == null && searchContext.MinimumVersion == null && searchContext.MaximumVersion == null;
if (searchContext.EnableDeepMetadataBypass)
{
if (latestVersionRequired)
{
// Use the search result page to get the metadata for the latest version
SemanticVersion individualPackageVersion = new SemanticVersion(packageEntry.version);
packageEntryInfo.AddVersion(individualPackageVersion);
PackageBase pb = this.ResourcesCollection.PackageConverter.Make(packageEntry);
if (pb != null)
{
yield return(pb);
}
}
else
{
// Go to the registration index of this package first. This allows us to bypass "deep" (but required) metadata in certain cases.
NuGetPackageFeed3 packageFeed3 = (NuGetPackageFeed3)this.ResourcesCollection.PackagesFeed;
NuGetSearchResult result = packageFeed3.Find(individualPackageSearchContext, request);
foreach (PackageBase pb in result.Result.Cast <PackageBase>())
{
yield return(pb);
}
}
}
else
{
// Either we want a specific version or we want all metadata for any packages
foreach (dynamic packageVersionEntry in packageEntry.versions)
{
if (packageEntry.version.Equals(packageVersionEntry.version) || searchContext.AllVersions)
{
if (packageVersionEntry.Metadata.HasProperty("id"))
{
// Collect all versions from the search results so we can manually set isLatestVersion and isAbsoluteLatestVersion later
SemanticVersion individualPackageVersion = new SemanticVersion(packageVersionEntry.version);
packageEntryInfo.AddVersion(individualPackageVersion);
// Skip prerelease versions if AllowPrereleaseVersions is not specified
if (!String.IsNullOrEmpty(individualPackageVersion.SpecialVersion) && !searchContext.AllowPrerelease)
{
continue;
}
long?versionDownloadCount = null;
if (packageVersionEntry.HasProperty("downloads"))
{
versionDownloadCount = packageVersionEntry.downloads;
}
string registrationUrl = packageVersionEntry.Metadata.id;
// This should be PackageFeed3
// There should be a better way to reuse this function
NuGetPackageFeed3 packageFeed3 = (NuGetPackageFeed3)this.ResourcesCollection.PackagesFeed;
PackageBase packageVersionPackage = packageFeed3.Find(registrationUrl, individualPackageSearchContext, request, true).FirstOrDefault();
if (packageVersionPackage != null)
{
if (versionDownloadCount.HasValue)
{
packageVersionPackage.VersionDownloadCount = versionDownloadCount.Value;
}
// Reset these so we haven't collected all versions yet, so this is wrong
packageVersionPackage.IsLatestVersion = false;
packageVersionPackage.IsAbsoluteLatestVersion = false;
versionToPackageTable[individualPackageVersion] = packageVersionPackage;
}
}
}
}
// Now manually set the latest versions
if (packageEntryInfo.LatestVersion != null && versionToPackageTable.ContainsKey(packageEntryInfo.LatestVersion))
{
versionToPackageTable[packageEntryInfo.LatestVersion].IsLatestVersion = true;
}
if (packageEntryInfo.AbsoluteLatestVersion != null && versionToPackageTable.ContainsKey(packageEntryInfo.AbsoluteLatestVersion))
{
versionToPackageTable[packageEntryInfo.AbsoluteLatestVersion].IsAbsoluteLatestVersion = true;
}
// I think this is the best we can do for enumeration (reads all versions of a package before yielding anything)
foreach (PackageBase package in versionToPackageTable.Values)
{
yield return(package);
}
}
}