private IEnumerable <IPackage> SearchImpl(string searchTerm, NuGetRequest nugetRequest)
{
if (nugetRequest == null)
{
yield break;
}
nugetRequest.Debug(Resources.Messages.SearchingRepository, "LocalPackageRepository", Source);
var files = Directory.GetFiles(Source);
IEnumerable <IPackage> packageItems = files.Select(nugetRequest.GetPackageByFilePath).Where(pkgItem => pkgItem != null).Select(pkg => pkg.Package);
if (nugetRequest.FilterOnTag != null)
{
foreach (var package in PackageFilterUtility.FilterOnTags(packageItems, nugetRequest.FilterOnTag.Value))
{
yield return(package);
}
}
else
{
foreach (IPackage package in packageItems)
{
yield return(package);
}
}
// look in the package source location for directories that contain nupkg files.
var subdirs = Directory.EnumerateDirectories(Source, "*", SearchOption.AllDirectories);
foreach (var subdir in subdirs)
{
var nupkgs = Directory.EnumerateFileSystemEntries(subdir, "*.nupkg", SearchOption.TopDirectoryOnly);
packageItems = nupkgs.Select(nugetRequest.GetPackageByFilePath).Where(pkgItem => pkgItem != null).Select(pkg => pkg.Package);
if (nugetRequest.FilterOnTag != null)
{
foreach (var package in PackageFilterUtility.FilterOnTags(packageItems, nugetRequest.FilterOnTag.Value))
{
yield return(package);
}
}
else
{
foreach (IPackage package in packageItems)
{
yield return(package);
}
}
}
}
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);
}
}
}