private async Task Decompress(InternalPackageInformation info, ILocalBaseFolder localBaseFolder)
{
using (var stream =
localBaseFolder.OpenStreamForReading(PathForNugetPackage(info)))
using (var compressed = new ZipArchive(stream, ZipArchiveMode.Read))
{
var totalCount = compressed.Entries.Count;
foreach (var(zipArchiveEntry, i) in compressed.Entries.Select((e, i) => (e, i)))
{
var fullName = Uri.UnescapeDataString(zipArchiveEntry.FullName);
var name = Uri.UnescapeDataString(zipArchiveEntry.Name);
listeners(new Decompressing(info.Package, info.Source, fullName, i, totalCount));
if (fullName.StartsWith("_rels") ||
name == "[Content_Types].xml")
{
continue;
}
// we skip over directory entries for now, assume we don't extract empty dirs
if ((zipArchiveEntry.ExternalAttributes & FolderBitmaskForZipArchiveEntry) == FolderBitmaskForZipArchiveEntry)
{
continue;
}
using (var fileStream = zipArchiveEntry.Open())
using (var outputStream =
localBaseFolder.OpenStreamForWriting(Path.Combine(info.Package.OutputFolder, fullName)))
{
await fileStream.CopyToAsync(outputStream);
}
}
}
}
private async Task DownloadPackage(ILocalBaseFolder localBaseFolder,
string sourceName,
CancellationToken cancelationToken, InternalPackageInformation info)
{
var descriptionPath = $@"{info.Package.OutputFolder}\vendor.dependency.description.json";
VendorDependencyDescription description;
if (!_forceRefresh && localBaseFolder.ContainsFolder(info.Package.OutputFolder))
{
var content = await localBaseFolder.FileContentOrEmptyAsync(
descriptionPath,
cancelationToken);
if (!string.IsNullOrWhiteSpace(content))
{
try
{
description = JsonConvert.DeserializeObject <VendorDependencyDescription>(content);
}
catch (Exception)
{
// TODO : log this error
description = new VendorDependencyDescription {
Version = ""
};
}
if (info.Identity.Version.ToFullString() == description.Version)
{
listeners(new AlreadyUpToDate(info.Package));
return;
}
}
}
await Download(sourceName, info, localBaseFolder, cancelationToken);
using (var descriptionStream = localBaseFolder.OpenStreamForWriting(descriptionPath))
{
description = new VendorDependencyDescription
{
Version = info.Identity.Version.ToFullString()
};
var serialized = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(description, Formatting.Indented));
await descriptionStream.WriteAsync(serialized, 0, serialized.Length, cancelationToken);
}
}
private async Task Download(string sourceName, InternalPackageInformation info,
ILocalBaseFolder localBaseFolder,
CancellationToken cancelationToken)
{
listeners(new Resolving(info.Package, info.Source));
var sourceRepository = _sourceRepositories[sourceName];
// This makes it work with coreclr
_sourceCacheContext.DirectDownload = true;
_sourceCacheContext.RefreshMemoryCache = true;
var remoteV3FindPackageByIdResource =
await sourceRepository.GetResourceAsync <FindPackageByIdResource>(cancelationToken);
await remoteV3FindPackageByIdResource.GetAllVersionsAsync(info.Identity.Id, _sourceCacheContext,
NullLogger.Instance, cancelationToken);
using (var stream =
localBaseFolder.OpenStreamForWriting(PathForNugetPackage(info)))
{
listeners(new Downloading(info.Package, info.Source));
var result = await remoteV3FindPackageByIdResource.CopyNupkgToStreamAsync(info.Identity.Id, info.Identity.Version,
stream,
_sourceCacheContext,
NullLogger.Instance, cancelationToken
);
if (result != true)
{
throw new InvalidOperationException("Whoa, result is null");
}
listeners(new Downloaded(info.Package, info.Source));
}
if (info.Package.CleanOnUpdate)
{
listeners(new Cleaning(info.Package, info.Package.OutputFolder));
localBaseFolder.Clean(info.Package.OutputFolder);
}
await Decompress(info, localBaseFolder);
listeners(new Done(info.Package));
}
private static string PathForNugetPackage(InternalPackageInformation info)
{
return($"{Path.Combine(info.Package.OutputFolder, info.Identity.ToString())}.nupkg");
}