public override async Task <SearchResult <IPackageSearchMetadata> > ContinueSearchAsync(ContinuationToken continuationToken, CancellationToken cancellationToken)
{
var searchToken = continuationToken as FeedSearchContinuationToken;
if (searchToken == null)
{
throw new InvalidOperationException("Invalid token");
}
IEnumerable <IPackageSearchMetadata> packagesWithUpdates = await GetPackagesWithUpdatesAsync(searchToken.SearchString, searchToken.SearchFilter, cancellationToken);
IPackageSearchMetadata[] items = packagesWithUpdates
.Skip(searchToken.StartIndex)
.ToArray();
SearchResult <IPackageSearchMetadata> result = SearchResult.FromItems(items);
LoadingStatus loadingStatus = items.Length == 0
? LoadingStatus.NoItemsFound
: LoadingStatus.NoMoreItems;
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
["Update"] = loadingStatus
};
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 packagesWithUpdates = (_cachedUpdates?.IncludePrerelease == searchToken.SearchFilter.IncludePrerelease)
?
GetPackagesFromCache(searchToken.SearchString)
:
await GetPackagesWithUpdatesAsync(searchToken.SearchString, searchToken.SearchFilter, cancellationToken);
var items = packagesWithUpdates
.Skip(searchToken.StartIndex)
.ToArray();
var result = SearchResult.FromItems(items);
var loadingStatus = items.Length == 0
? LoadingStatus.NoItemsFound
: LoadingStatus.NoMoreItems;
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
["Update"] = loadingStatus
};
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 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 static async Task <SearchResult <IPackageSearchMetadata> > SearchAsync(
this SourceRepository sourceRepository, ContinuationToken continuationToken, int pageSize, CancellationToken cancellationToken)
{
var stopWatch = Stopwatch.StartNew();
var searchToken = continuationToken as FeedSearchContinuationToken;
if (searchToken == null)
{
throw new InvalidOperationException("Invalid token");
}
var searchResource = await sourceRepository.GetResourceAsync <PackageSearchResource>(cancellationToken);
var searchResults = await searchResource?.SearchAsync(
searchToken.SearchString,
searchToken.SearchFilter,
searchToken.StartIndex,
pageSize + 1,
Common.NullLogger.Instance,
cancellationToken);
var items = searchResults?.ToArray() ?? new IPackageSearchMetadata[] { };
var hasMoreItems = items.Length > pageSize;
if (hasMoreItems)
{
items = items.Take(items.Length - 1).ToArray();
}
var result = SearchResult.FromItems(items);
var loadingStatus = hasMoreItems
? LoadingStatus.Ready
: items.Length == 0
? LoadingStatus.NoItemsFound
: LoadingStatus.NoMoreItems;
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
{ sourceRepository.PackageSource.Name, loadingStatus }
};
if (hasMoreItems)
{
result.NextToken = new FeedSearchContinuationToken
{
SearchString = searchToken.SearchString,
SearchFilter = searchToken.SearchFilter,
StartIndex = searchToken.StartIndex + items.Length
};
}
stopWatch.Stop();
result.Duration = stopWatch.Elapsed;
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);
}
internal static SearchResult <IPackageSearchMetadata> CreateResult(IPackageSearchMetadata[] items)
{
SearchResult <IPackageSearchMetadata> result = SearchResult.FromItems(items);
var loadingStatus = result.Any() ? LoadingStatus.NoMoreItems : LoadingStatus.NoItemsFound; // No pagination on installed-based feeds
result.SourceSearchStatus = new Dictionary <string, LoadingStatus>
{
{ "Installed", loadingStatus }
};
return(result);
}
private async Task <SearchResult <IPackageSearchMetadata> > AggregateSearchResultsAsync(
string searchText,
IEnumerable <SearchResult <IPackageSearchMetadata> > results,
TelemetryState telemetryState)
{
SearchResult <IPackageSearchMetadata> result;
var nonEmptyResults = results.Where(r => r.Any()).ToArray();
if (nonEmptyResults.Length == 0)
{
result = SearchResult.Empty <IPackageSearchMetadata>();
}
else if (nonEmptyResults.Length == 1)
{
result = SearchResult.FromItems(nonEmptyResults[0].Items);
}
else
{
var items = nonEmptyResults.Select(r => r.Items).ToArray();
var indexer = new RelevanceSearchResultsIndexer();
var aggregator = new SearchResultsAggregator(indexer, new PackageSearchMetadataSplicer());
var aggregatedItems = await aggregator.AggregateAsync(
searchText, items);
result = SearchResult.FromItems(aggregatedItems.ToArray());
// set correct count of unmerged items
result.RawItemsCount = items.Aggregate(0, (r, next) => r + next.Count);
}
result.SourceSearchStatus = results
.SelectMany(r => r.SourceSearchStatus)
.ToDictionary(kv => kv.Key, kv => kv.Value);
var cursors = results
.Where(r => r.NextToken != null)
.ToDictionary(r => r.SourceSearchStatus.Single().Key, r => r.NextToken);
if (cursors.Keys.Any())
{
result.NextToken = new AggregatedContinuationToken
{
TelemetryState = telemetryState,
SearchString = searchText,
SourceSearchCursors = cursors
};
}
return(result);
}