Release: Sprint/2022-01

This Merge Request is automatically created

src/SemanticSearch/ApplicationProfile.cs

-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using VDS.RDF;
+using VDS.RDF.Parsing;
 
 namespace Coscine.SemanticSearch
 {
@@ -26,12 +28,31 @@ namespace Coscine.SemanticSearch
         /// <returns>An enumerator of general additional triples.</returns>
         public IEnumerable<Triple> GetGeneralAdditionalTriples(string graphName)
         {
-            List<Triple> triples = new List<Triple>();
+            var triples = new List<Triple>();
             foreach (var generalAdditionalRule in _generalAdditionalRules)
             {
                 var constructedTriplesGeneral = generalAdditionalRule.ExecuteRule(graphName);
-                triples.AddRange(constructedTriplesGeneral[graphName]);
-                ;
+                foreach (var triple in constructedTriplesGeneral[graphName])
+                {
+                    // If the object is a literal, it might be URL encoded, so this is lifted here
+                    if (triple.Object.NodeType == NodeType.Literal
+                        && 
+                        (
+                            ((LiteralNode)triple.Object).DataType == null
+                            || ((LiteralNode)triple.Object).DataType == new Uri(XmlSpecsHelper.XmlSchemaDataTypeString)
+                        )
+                        && triple.Predicate.ToString() != "https://purl.org/coscine/terms/search#graphName")
+                    {
+                        var literal = (LiteralNode)triple.Object;
+                        var newLiteral = literal.Graph.CreateLiteralNode(Uri.UnescapeDataString(literal.Value), literal.Language);
+
+                        triples.Add(new Triple(triple.Subject, triple.Predicate, newLiteral, newLiteral.Graph));
+                    }
+                    else
+                    {
+                        triples.Add(triple);
+                    }
+                }
             }
             return triples;
         }