/// <summary>
/// Find the latest version of the package
/// </summary>
/// <param name="includePrerelease">include versions with prerelease labels</param>
/// <param name="includeUnlisted">not implemented yet</param>
public override async Task <IEnumerable <KeyValuePair <string, NuGetVersion> > > GetLatestVersions(IEnumerable <string> packageIds, bool includePrerelease, bool includeUnlisted, Common.ILogger log, CancellationToken token)
{
var results = new List <KeyValuePair <string, NuGetVersion> >();
foreach (var id in packageIds)
{
IEnumerable <NuGetVersion> allVersions;
try
{
var catalogEntries = await _regResource.GetPackageMetadata(id, includePrerelease, includeUnlisted, log, token);
allVersions = catalogEntries.Select(p => NuGetVersion.Parse(p["version"].ToString()));
}
catch (Exception ex)
{
throw new FatalProtocolException(string.Format(CultureInfo.CurrentCulture, Strings.Protocol_PackageMetadataError, id, _regResource.BaseUri), ex);
}
// find the latest
var latest = allVersions.OrderByDescending(p => p, VersionComparer.VersionRelease).FirstOrDefault();
results.Add(new KeyValuePair <string, NuGetVersion>(id, latest));
}
return(results);
}
/// <summary>
/// Get the download url of the package.
/// 1. If the identity is a SourcePackageDependencyInfo the SourcePackageDependencyInfo.DownloadUri is used.
/// 2. A url will be constructed for the flat container location if the source has that resource.
/// 3. The download url will be found in the registration blob as a fallback.
/// </summary>
private async Task <Uri> GetDownloadUrl(PackageIdentity identity, Common.ILogger log, CancellationToken token)
{
Uri downloadUri = null;
var sourcePackage = identity as SourcePackageDependencyInfo;
if (sourcePackage?.DownloadUri != null)
{
// Read the already provided url
downloadUri = sourcePackage?.DownloadUri;
}
else if (_packageBaseAddressUrl != null)
{
// Construct the url
var id = identity.Id.ToLowerInvariant();
var version = identity.Version.ToNormalizedString().ToLowerInvariant();
var url = $"{_packageBaseAddressUrl}/{id}/{version}/{id}.{version}.nupkg";
downloadUri = new Uri(url);
}
else if (_regResource != null)
{
// Read the url from the registration information
var blob = await _regResource.GetPackageMetadata(identity, log, token);
if (blob != null &&
blob["packageContent"] != null)
{
downloadUri = new Uri(blob["packageContent"].ToString());
}
}
return(downloadUri);
}
/// <summary>
/// Find the latest version of the package
/// </summary>
/// <param name="includePrerelease">include versions with prerelease labels</param>
/// <param name="includeUnlisted">not implemented yet</param>
public override async Task <IEnumerable <KeyValuePair <string, NuGetVersion> > > GetLatestVersions(IEnumerable <string> packageIds, bool includePrerelease, bool includeUnlisted, CancellationToken token)
{
List <KeyValuePair <string, NuGetVersion> > results = new List <KeyValuePair <string, NuGetVersion> >();
foreach (var id in packageIds)
{
var catalogEntries = await _regResource.GetPackageMetadata(id, includePrerelease, includeUnlisted, token);
var allVersions = catalogEntries.Select(p => NuGetVersion.Parse(p["version"].ToString()));
// find the latest
var latest = allVersions.OrderByDescending(p => p, VersionComparer.VersionRelease).FirstOrDefault();
results.Add(new KeyValuePair <string, NuGetVersion>(id, latest));
}
return(results);
}
public override async Task <Uri> GetDownloadUrl(PackageIdentity identity, CancellationToken token)
{
Uri downloadUri = null;
var blob = await _regResource.GetPackageMetadata(identity, token);
if (blob != null && blob["packageContent"] != null)
{
downloadUri = new Uri(blob["packageContent"].ToString());
}
return(downloadUri);
}
