public async Task RemovePackageAsync(PackageIdentity packageIdentity)
{
var packageIndex = new PackageIndex(_context);
var versions = await packageIndex.GetPackageVersions(packageIdentity.Id);
// Noop if the id does not exist
if (!versions.Contains(packageIdentity.Version))
{
return;
}
var file = RootIndexFile;
var json = await file.GetJson(_context.Log, _context.Token);
var data = GetData(json);
data.RemoveAll(e => packageIdentity.Id.Equals(e.GetId(), StringComparison.OrdinalIgnoreCase));
if (versions.Count > 1)
{
// Remove the version if others still exist, otherwise leave the entire entry out
var newEntry = await CreatePackageEntry(packageIdentity, add : false);
data.Add(newEntry);
}
json = CreatePage(data);
await file.Write(json, _context.Log, _context.Token);
}
/// <summary>
/// Create a result containing all versions of the package. The passed in identity
/// may or may not be the latest one that is shown.
/// </summary>
private async Task <JObject> CreatePackageEntry(PackageIdentity package, bool add)
{
var packageIndex = new PackageIndex(_context);
var versions = await packageIndex.GetPackageVersions(package.Id);
if (add)
{
versions.Add(package.Version);
}
else
{
versions.Remove(package.Version);
}
var latest = versions.Max();
var latestIdentity = new PackageIdentity(package.Id, latest);
var packageUri = Registrations.GetPackageUri(_context.Source.BaseURI, latestIdentity);
var packageEntry = JsonUtility.Create(packageUri, "Package");
var registrationUri = Registrations.GetIndexUri(_context.Source.BaseURI, package.Id);
// Read the catalog entry from the package blob. The catalog may not be enabled.
var registrations = new Registrations(_context);
var catalogEntry = await registrations.GetCatalogEntryFromPackageBlob(latestIdentity);
Debug.Assert(catalogEntry != null);
packageEntry.Add("registration", registrationUri.AbsoluteUri);
var copyProperties = new[]
{
"id",
"version",
"description",
"summary",
"title",
"iconUrl",
"licenseUrl",
"projectUrl",
"tags"
};
JsonUtility.CopyProperties(catalogEntry, packageEntry, copyProperties, skipEmpty: false);
var copyPropertiesDelimited = new[]
{
"authors",
"owners"
};
JsonUtility.CopyDelimitedProperties(catalogEntry, packageEntry, copyPropertiesDelimited, ',');
JsonUtility.RequireArrayWithEmptyString(packageEntry, new[] { "tags", "authors" });
packageEntry.Add("totalDownloads", 0);
var versionsArray = new JArray();
packageEntry.Add("versions", versionsArray);
foreach (var version in versions.OrderBy(v => v))
{
var versionIdentity = new PackageIdentity(package.Id, version);
var versionUri = Registrations.GetPackageUri(_context.Source.BaseURI, versionIdentity);
var versionEntry = JsonUtility.Create(versionUri, "Package");
versionEntry.Add("downloads", 0);
versionEntry.Add("version", version.ToFullVersionString());
versionsArray.Add(versionEntry);
}
return(JsonLDTokenComparer.Format(packageEntry));
}
