/// <summary>
/// Generates search graph containing nodes matching search criteria in Solution Explorer
/// and attaches it to correct top level node.
/// </summary>
private void Search(IGraphContext graphContext)
{
string searchParametersTypeName = typeof(ISolutionSearchParameters).GUID.ToString();
ISolutionSearchParameters searchParameters = graphContext.GetValue <ISolutionSearchParameters>(searchParametersTypeName);
string searchTerm = searchParameters?.SearchQuery.SearchString?.ToLowerInvariant();
if (searchTerm == null)
{
return;
}
var cachedDependencyToMatchingResultsMap = new Dictionary <string, HashSet <IDependency> >(StringComparer.OrdinalIgnoreCase);
var searchResultsPerContext = new Dictionary <string, HashSet <IDependency> >(StringComparer.OrdinalIgnoreCase);
System.Collections.Generic.IReadOnlyCollection <IDependenciesSnapshotProvider> snapshotProviders = AggregateSnapshotProvider.GetSnapshotProviders();
foreach (IDependenciesSnapshotProvider snapshotProvider in snapshotProviders)
{
IDependenciesSnapshot snapshot = snapshotProvider.CurrentSnapshot;
if (snapshot == null)
{
continue;
}
searchResultsPerContext[snapshotProvider.ProjectFilePath] = SearchFlat(
searchTerm.ToLowerInvariant(),
snapshot);
}
foreach (IDependenciesSnapshotProvider snapshotProvider in snapshotProviders)
{
IDependenciesSnapshot snapshot = snapshotProvider.CurrentSnapshot;
if (snapshot == null)
{
continue;
}
IEnumerable <IDependency> allTopLevelDependencies = snapshot.GetFlatTopLevelDependencies();
HashSet <IDependency> matchedDependencies = searchResultsPerContext[snapshotProvider.ProjectFilePath];
using (var scope = new GraphTransactionScope())
{
foreach (IDependency topLevelDependency in allTopLevelDependencies)
{
ITargetedDependenciesSnapshot targetedSnapshot = snapshot.Targets[topLevelDependency.TargetFramework];
if (!cachedDependencyToMatchingResultsMap
.TryGetValue(topLevelDependency.Id, out HashSet <IDependency> topLevelDependencyMatches))
{
IDependenciesGraphViewProvider viewProvider = ViewProviders
.FirstOrDefaultValue((x, d) => x.SupportsDependency(d), topLevelDependency);
if (viewProvider == null)
{
continue;
}
bool processed = viewProvider.MatchSearchResults(
snapshotProvider.ProjectFilePath,
topLevelDependency,
searchResultsPerContext,
out topLevelDependencyMatches);
if (!processed)
{
if (matchedDependencies.Count == 0)
{
continue;
}
topLevelDependencyMatches = GetMatchingResultsForDependency(
topLevelDependency,
targetedSnapshot,
matchedDependencies,
cachedDependencyToMatchingResultsMap);
}
cachedDependencyToMatchingResultsMap[topLevelDependency.Id] = topLevelDependencyMatches;
}
if (topLevelDependencyMatches.Count == 0)
{
continue;
}
GraphNode topLevelNode = Builder.AddTopLevelGraphNode(graphContext,
snapshotProvider.ProjectFilePath,
topLevelDependency.ToViewModel(targetedSnapshot));
foreach (IDependency matchedDependency in topLevelDependencyMatches)
{
GraphNode matchedDependencyNode = Builder.AddGraphNode(graphContext,
snapshotProvider.ProjectFilePath,
topLevelNode,
matchedDependency.ToViewModel(targetedSnapshot));
graphContext.Graph.Links.GetOrCreate(topLevelNode,
matchedDependencyNode,
label: null,
GraphCommonSchema.Contains);
}
if (topLevelNode != null)
{
// 'node' is a GraphNode for top level dependency (which is part of solution explorer tree)
// Setting ProjectItem category (and correct GraphNodeId) ensures that search graph appears
// under right solution explorer hierarchy item
topLevelNode.AddCategory(CodeNodeCategories.ProjectItem);
}
}
scope.Complete();
}
}
graphContext.OnCompleted();
}
