adding graph for licenses

src/SQL2Linked/Implementations/ResourceStructuralData.cs

@@ -17,11 +17,13 @@ namespace SQL2Linked.Implementations
         public readonly Uri cosc = new("https://purl.org/coscine/");
         private VisibilityModel VisibilityModel = new VisibilityModel();
         private ProjectResourceModel ProjectResourceModel = new ProjectResourceModel();
+        private LicenseModel LicenseModel = new LicenseModel();
 
         public override IEnumerable<IGraph> ConvertToLinkedData(IEnumerable<Resource> entries)
         {
             IEnumerable<Visibility> visibilities = VisibilityModel.GetAll();
             IEnumerable<ProjectResource> projectResources = ProjectResourceModel.GetAll();
+            IEnumerable<License> licenses = LicenseModel.GetAll();
 
             var graphs = new List<IGraph>();
             string resourceUrlPrefix = "https://hdl.handle.net/" + Prefix;
@@ -64,6 +66,15 @@ namespace SQL2Linked.Implementations
                     }
                 }
 
+                foreach (var license in licenses)
+                {
+                    if (entry.LicenseId == license.Id)
+                    {
+                        AssertToGraphLiteralNode(graph, resourceGraphName, dcterms + "license", license.DisplayName);
+                        Console.WriteLine($"For resource '{entry.DisplayName}' will migrate triple '{resourceGraphName} {dcterms}license {license.DisplayName}'. ");
+                    }
+                }
+
                 if (entry.Keywords.Any())
                 {
                     var listKeywords = entry.Keywords.Split(';').ToList();