/// <summary>
/// Add the specified package to the list.
/// </summary>
private void AddRecentPackage(RecentPackage package, bool replaceExistingItem)
{
if (_packagesCache.Contains(package))
{
if (replaceExistingItem)
{
_packagesCache.Remove(package);
}
else
{
return;
}
}
_packagesCache.Add(package);
}
/// <summary>
/// Add the specified package to the list.
/// </summary>
private void AddRecentPackage(RecentPackage package, bool updateOnly = false)
{
var index = _packagesCache.FindIndex(p => p.Id == package.Id);
if (index != -1)
{
var cachedPackage = _packagesCache[index];
if (package.Version > cachedPackage.Version)
{
_packagesCache[index] = package;
}
_packagesCache[index].LastUsedDate = (package.LastUsedDate > cachedPackage.LastUsedDate) ?
package.LastUsedDate : cachedPackage.LastUsedDate;
}
else if (!updateOnly)
{
_packagesCache.Add(package);
}
}
private void LoadPackagesFromSettingsStore(IPackageRepository repository)
{
// get the metadata of recent packages from registry
IEnumerable <IPersistencePackageMetadata> packagesMetadata = LoadPackageMetadataFromSettingsStore();
if (!packagesMetadata.Any())
{
return;
}
// look up the package metadata in the machine cache first before searching the aggregate repository
// this will contain the package metadata that are not found in the machine cache
var remainingMetadata = new List <IPersistencePackageMetadata>();
foreach (var metadata in packagesMetadata)
{
var cachedPackage = _cacheRepository.FindPackage(metadata.Id, metadata.Version);
if (cachedPackage != null)
{
// found a package with the same Id and Version, use it
RecentPackage package = ConvertToRecentPackage(cachedPackage, metadata.LastUsedDate);
AddRecentPackage(package);
}
else
{
// if not, put it in the remaining queue to be searched from aggregate repository
remainingMetadata.Add(metadata);
}
}
// for the remaining metadata, find packages from the Aggregate repository based on Id only
IEnumerable <IPackage> newPackages = repository.FindPackages(remainingMetadata.Select(p => p.Id));
// newPackages contains all versions of a package Id. Filter out the versions that we don't care.
IEnumerable <RecentPackage> filteredPackages = FilterPackages(remainingMetadata, newPackages);
foreach (var package in filteredPackages)
{
AddRecentPackage(package);
}
}
