private NugetDependenciesChange ProcessResolvedChanges(IProjectSubscriptionUpdate projectSubscriptionUpdate,
HashSet <IDependencyNode> rootTreeNodes)
{
var changes = projectSubscriptionUpdate.ProjectChanges;
var resolvedChanges = ResolvedReferenceRuleNames.Where(x => changes.Keys.Contains(x))
.Select(ruleName => changes[ruleName])
.ToImmutableHashSet();
var dependenciesChange = new NugetDependenciesChange();
var newDependencies = new HashSet <DependencyMetadata>();
foreach (var change in resolvedChanges)
{
if (!change.Difference.AnyChanges)
{
continue;
}
foreach (string removedItemSpec in change.Difference.RemovedItems)
{
var metadata = CurrentSnapshot.RemoveDependency(removedItemSpec);
var itemNode = rootTreeNodes.FirstOrDefault(
x => x.Id.ItemSpec.Equals(removedItemSpec, StringComparison.OrdinalIgnoreCase));
if (itemNode != null)
{
dependenciesChange.RemovedNodes.Add(metadata);
}
}
foreach (string changedItemSpec in change.Difference.ChangedItems)
{
var properties = GetProjectItemProperties(change.After, changedItemSpec);
if (properties == null)
{
continue;
}
var metadata = CurrentSnapshot.UpdateDependency(changedItemSpec, properties);
var itemNode = rootTreeNodes.FirstOrDefault(
x => x.Id.ItemSpec.Equals(changedItemSpec, StringComparison.OrdinalIgnoreCase));
if (itemNode != null)
{
dependenciesChange.UpdatedNodes.Add(metadata);
}
}
foreach (string addedItemSpec in change.Difference.AddedItems)
{
var properties = GetProjectItemProperties(change.After, addedItemSpec);
if (properties == null)
{
continue;
}
var newDependency = CurrentSnapshot.AddDependency(addedItemSpec, properties);
newDependencies.Add(newDependency);
}
}
// Note: currently deisgn time build is limited and is not aware of conditional on TFM
// PackageReference items: Unresolved PackageReference items for conditional TFMs are not sent.
// Thus we will display conditional PackageReferences if they were resolved and are in assets.json.
// This limitation should go away, when we have final design for cross target dependencies and
// DesignTime build.
var allTargetsDependencies = CurrentSnapshot.GetUniqueTopLevelDependencies();
if (allTargetsDependencies.Count == 0)
{
return(dependenciesChange);
}
var addedTopLevelDependencies = newDependencies.Where(
x => allTargetsDependencies.Contains(x.ItemSpec));
foreach (var addedDependency in addedTopLevelDependencies)
{
dependenciesChange.AddedNodes.Add(addedDependency);
}
return(dependenciesChange);
}
