async Task <IEnumerable <IPackageSearchMetadata> > GetPackagesWithUpdatesAsync(string searchText, SearchFilter searchFilter, CancellationToken cancellationToken)
{
if (_context != null)
{
_installedPackages = await _context.GetInstalledPackagesAsync();
_context = null;
}
var packages = _installedPackages
.GetEarliest()
.Where(p => p.Id.IndexOf(searchText, StringComparison.OrdinalIgnoreCase) != -1)
.OrderBy(p => p.Id);
var latestItems = await TaskCombinators.ThrottledAsync(
packages,
(p, t) => _metadataProvider.GetLatestPackageMetadataAsync(p, searchFilter.IncludePrerelease, t),
cancellationToken);
var packagesWithUpdates = packages
.Join(latestItems.Where(i => i != null),
p => p.Id,
m => m.Identity.Id,
(p, m) => new { cv = p.Version, m = m },
StringComparer.OrdinalIgnoreCase)
.Where(j => VersionComparer.VersionRelease.Compare(j.cv, j.m.Identity.Version) < 0)
.Select(j => j.m);
return(packagesWithUpdates);
}
public override async Task <SearchResult <IPackageSearchMetadata> > ContinueSearchAsync(ContinuationToken continuationToken, CancellationToken cancellationToken)
{
var searchToken = continuationToken as FeedSearchContinuationToken;
if (searchToken == null)
{
throw new InvalidOperationException("Invalid token");
}
var packagesNeedingConsolidation = _installedPackages
.GroupById()
.Where(g => g.Count() > 1)
.Select(g => new PackageIdentity(g.Key, g.Max()))
.ToArray();
var packages = packagesNeedingConsolidation
.Where(p => p.Id.IndexOf(searchToken.SearchString, StringComparison.OrdinalIgnoreCase) != -1)
.OrderBy(p => p.Id)
.Skip(searchToken.StartIndex)
.Take(PageSize + 1)
.ToArray();
var hasMoreItems = packages.Length > PageSize;
if (hasMoreItems)
{
packages = packages.Take(packages.Length - 1).ToArray();
}
var items = await TaskCombinators.ThrottledAsync(
packages,
(p, t) => _metadataProvider.GetPackageMetadataAsync(p, searchToken.SearchFilter.IncludePrerelease, t),
cancellationToken);
var result = SearchResult.FromItems(items.ToArray());
var loadingStatus = hasMoreItems
? LoadingStatus.Ready
: packages.Length == 0
? LoadingStatus.NoItemsFound
: LoadingStatus.NoMoreItems;
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
{ "Consolidate", loadingStatus }
};
if (hasMoreItems)
{
result.NextToken = new FeedSearchContinuationToken
{
SearchString = searchToken.SearchString,
SearchFilter = searchToken.SearchFilter,
StartIndex = searchToken.StartIndex + packages.Length
};
}
return(result);
}
public override async Task <SearchResult <IPackageSearchMetadata> > ContinueSearchAsync(ContinuationToken continuationToken, CancellationToken cancellationToken)
{
var searchToken = continuationToken as FeedSearchContinuationToken;
if (searchToken == null)
{
throw new InvalidOperationException("Invalid token");
}
var packages = _installedPackages
.GetLatest()
.Where(p => p.Id.IndexOf(searchToken.SearchString, StringComparison.OrdinalIgnoreCase) != -1)
.OrderBy(p => p.Id)
.Skip(searchToken.StartIndex)
.Take(PageSize + 1)
.ToArray();
var hasMoreItems = packages.Length > PageSize;
if (hasMoreItems)
{
packages = packages.Take(packages.Length - 1).ToArray();
}
var items = await TaskCombinators.ThrottledAsync(
packages,
(p, t) => GetPackageMetadataAsync(p, searchToken.SearchFilter.IncludePrerelease, t),
cancellationToken);
// The packages were originally sorted which is important because we Skip and Take based on that sort
// however the asynchronous execution has randomly reordered the set. So we need to resort.
var result = SearchResult.FromItems(items.OrderBy(p => p.Identity.Id).ToArray());
var loadingStatus = hasMoreItems
? LoadingStatus.Ready
: packages.Length == 0
? LoadingStatus.NoItemsFound
: LoadingStatus.NoMoreItems;
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
{ "Installed", loadingStatus }
};
if (hasMoreItems)
{
result.NextToken = new FeedSearchContinuationToken
{
SearchString = searchToken.SearchString,
SearchFilter = searchToken.SearchFilter,
StartIndex = searchToken.StartIndex + packages.Length
};
}
return(result);
}
/// <summary>
/// Get the package metadata to see if RequireLicenseAcceptance is true
/// </summary>
private async Task <List <IPackageSearchMetadata> > GetPackageMetadataAsync(
IEnumerable <SourceRepository> sources,
IEnumerable <PackageIdentity> packages,
CancellationToken token)
{
var results = new List <IPackageSearchMetadata>();
// local sources
var localSources = new List <SourceRepository>();
localSources.Add(_packageManager.PackagesFolderSourceRepository);
localSources.AddRange(_packageManager.GlobalPackageFolderRepositories);
var allPackages = packages.ToArray();
using (var sourceCacheContext = new SourceCacheContext())
{
// first check all the packages with local sources.
var completed = (await TaskCombinators.ThrottledAsync(
allPackages,
(p, t) => GetPackageMetadataAsync(localSources, sourceCacheContext, p, t),
token)).Where(metadata => metadata != null).ToArray();
results.AddRange(completed);
if (completed.Length != allPackages.Length)
{
// get remaining package's metadata from remote repositories
var remainingPackages = allPackages.Where(package => !completed.Any(pack => pack.Identity.Equals(package)));
var remoteResults = (await TaskCombinators.ThrottledAsync(
remainingPackages,
(p, t) => GetPackageMetadataAsync(sources, sourceCacheContext, p, t),
token)).Where(metadata => metadata != null).ToArray();
results.AddRange(remoteResults);
}
}
// check if missing metadata for any package
if (allPackages.Length != results.Count)
{
var package = allPackages.First(pkg => !results.Any(result => result.Identity.Equals(pkg)));
throw new InvalidOperationException(
string.Format("Unable to find metadata of {0}", package));
}
return(results);
}
public async Task <IEnumerable <IPackageSearchMetadata> > GetPackagesWithUpdatesAsync(string searchText, SearchFilter searchFilter, CancellationToken cancellationToken)
{
var packages = _installedPackages
.Where(p => !p.IsAutoReferenced())
.GetEarliest()
.Where(p => p.Id.IndexOf(searchText, StringComparison.OrdinalIgnoreCase) != -1)
.OrderBy(p => p.Id);
// Prefetch metadata for all installed packages
var prefetch = await TaskCombinators.ThrottledAsync(
packages,
(p, t) => _metadataProvider.GetPackageMetadataListAsync(p.Id, searchFilter.IncludePrerelease, includeUnlisted: false, cancellationToken: t),
cancellationToken);
// Flatten the result list
var prefetchedPackages = prefetch
.Where(p => p != null)
.SelectMany(p => p)
.ToArray();
// Traverse all projects and determine packages with updates
var packagesWithUpdates = new List <IPackageSearchMetadata>();
foreach (var project in _projects)
{
var installed = await project.GetInstalledPackagesAsync(cancellationToken);
foreach (var installedPackage in installed)
{
var installedVersion = installedPackage.PackageIdentity.Version;
var allowedVersions = installedPackage.AllowedVersions ?? VersionRange.All;
// filter packages based on current package identity
var allPackages = prefetchedPackages
.Where(p => StringComparer.OrdinalIgnoreCase.Equals(
p.Identity.Id,
installedPackage.PackageIdentity.Id))
.ToArray();
// and allowed versions
var allowedPackages = allPackages
.Where(p => allowedVersions.Satisfies(p.Identity.Version));
// peek the highest available
var highest = allowedPackages
.OrderByDescending(e => e.Identity.Version, VersionComparer.VersionRelease)
.FirstOrDefault();
if (highest != null &&
VersionComparer.VersionRelease.Compare(installedVersion, highest.Identity.Version) < 0)
{
packagesWithUpdates.Add(highest.WithVersions(ToVersionInfo(allPackages)));
}
}
}
// select the earliest package update candidates
var uniquePackageIds = packagesWithUpdates
.Select(p => p.Identity)
.GetEarliest();
// get unique list of package metadata as similar updates may come from different projects
var uniquePackages = uniquePackageIds
.GroupJoin(
packagesWithUpdates,
id => id,
p => p.Identity,
(id, pl) => pl.First());
return(uniquePackages.ToArray());
}