Performance Enhancements

src/Tree/Controllers/TreeController.cs

@@ -142,10 +142,12 @@ namespace Coscine.Api.Tree.Controllers
                 var resourceTypeInformation = resourceTypeDefinition.GetResourceTypeInformation().Result;
                 var metadataInfos = new List<ResourceEntry>(fileInfos);
 
+                var metadataIds = _rdfStoreConnector.GetMaxMetadataIds(resourceId);
+
                 // Add to metadata infos, if no "physical" file for it exists
                 if (!metadataInfos.Any((metadataInfo) => metadataInfo.Key == path))
                 {
-                    metadataInfos.Add(new ResourceEntry(path, true, 0, _coscineLDPHelper.GetId(resourceId, path, true).AbsoluteUri, null, DateTime.Now, DateTime.Now));
+                    metadataInfos.Add(new ResourceEntry(path, true, 0, _coscineLDPHelper.GetId(resourceId, path, true, false, "metadata", metadataIds).AbsoluteUri, null, DateTime.Now, DateTime.Now));
                 }
 
                 var applicationProfileGraph = _rdfStoreConnector.GetGraph(resource.ApplicationProfile);
@@ -156,7 +158,7 @@ namespace Coscine.Api.Tree.Controllers
                 int metadataCount = 0;
                 foreach (var info in metadataInfos)
                 {
-                    var id = _coscineLDPHelper.GetId(resourceId, info.Key, true);
+                    var id = _coscineLDPHelper.GetId(resourceId, info.Key, true, false, "metadata", metadataIds);
                     if (_rdfStoreConnector.HasGraph(id.AbsoluteUri))
                     {
                         var graph = _rdfStoreConnector.GetGraph(id);
@@ -440,7 +442,9 @@ namespace Coscine.Api.Tree.Controllers
 
             // BaseUri must be set for the sparql query
             graph.BaseUri = graphNameUri;
-            _rdfStoreConnector.AddMetadata(graph);
+
+            // Call Async Add Metadata method and let it finish in the background (client does not need to be bothered)
+            _rdfStoreConnector.AddMetadataAsync(graph);
 
             return NoContent();
         }