public async ValueTask <PackageDeprecationMetadataContextInfo?> GetDeprecationMetadataAsync(
PackageIdentity identity,
IReadOnlyCollection <PackageSourceContextInfo> packageSources,
bool includePrerelease,
CancellationToken cancellationToken)
{
Assumes.NotNull(identity);
Assumes.NotNullOrEmpty(packageSources);
string cacheId = PackageSearchMetadataCacheItem.GetCacheId(identity.Id, includePrerelease, packageSources);
PackageSearchMetadataCacheItem?backgroundDataCache = PackageSearchMetadataMemoryCache.Get(cacheId) as PackageSearchMetadataCacheItem;
if (backgroundDataCache != null)
{
PackageSearchMetadataCacheItemEntry cacheItem = await backgroundDataCache.GetPackageSearchMetadataCacheVersionedItemAsync(identity, cancellationToken);
return(await cacheItem.PackageDeprecationMetadataContextInfo);
}
IPackageMetadataProvider packageMetadataProvider = await GetPackageMetadataProviderAsync(packageSources, cancellationToken);
IPackageSearchMetadata packageMetadata = await packageMetadataProvider.GetPackageMetadataAsync(identity, includePrerelease, cancellationToken);
PackageDeprecationMetadata deprecationMetadata = await packageMetadata.GetDeprecationMetadataAsync();
if (deprecationMetadata == null)
{
return(null);
}
return(PackageDeprecationMetadataContextInfo.Create(deprecationMetadata));
}
public async ValueTask <PackageSearchMetadataCacheItemEntry> GetPackageSearchMetadataCacheVersionedItemAsync(PackageIdentity packageIdentity, CancellationToken cancellationToken)
{
Assumes.NotNull(packageIdentity);
if (!_cachedItemEntries.TryGetValue(packageIdentity.Version, out PackageSearchMetadataCacheItemEntry cacheItemEntry))
{
IPackageSearchMetadata packageSearchMetadata = await _packageMetadataProvider.GetPackageMetadataAsync(packageIdentity, includePrerelease : true, cancellationToken);
cacheItemEntry = new PackageSearchMetadataCacheItemEntry(packageSearchMetadata, _packageMetadataProvider);
_cachedItemEntries[packageIdentity.Version] = cacheItemEntry;
}
return(cacheItemEntry);
}