Add resource deleted flag

src/SQL2Linked/Implementations/ProjectStructuralData.cs

 using Coscine.Database.DataModel;
 using Coscine.Database.Models;
+using Coscine.Database.Util;
 using VDS.RDF;
 
 namespace SQL2Linked.Implementations
@@ -17,6 +18,17 @@ namespace SQL2Linked.Implementations
         private ProjectRoleModel ProjectRoleModel = new ProjectRoleModel();
         private ProjectResourceModel ProjectResourceModel = new ProjectResourceModel();
 
+        // Override to also receive deleted projects
+        public override IEnumerable<Project> GetAll()
+        {
+            return DatabaseConnection.ConnectToDatabase((db) =>
+            {
+                return
+                    (from tableEntry in Model.GetITableFromDatabase(db)
+                     select tableEntry).ToList();
+            });
+        }
+
         public override IEnumerable<IGraph> ConvertToLinkedData(IEnumerable<Project> entries)
         {
             IEnumerable<Visibility> visibilities = VisibilityModel.GetAll();

src/SQL2Linked/Implementations/ResourceStructuralData.cs

 using Coscine.Database.DataModel;
 using Coscine.Database.Models;
+using Coscine.Database.Util;
 using VDS.RDF;
 using VDS.RDF.Query;
 
@@ -19,6 +20,17 @@ namespace SQL2Linked.Implementations
         private ProjectResourceModel ProjectResourceModel = new ProjectResourceModel();
         private LicenseModel LicenseModel = new LicenseModel();
 
+        // Override to also receive deleted resources
+        public override IEnumerable<Resource> GetAll()
+        {
+            return DatabaseConnection.ConnectToDatabase((db) =>
+            {
+                return
+                    (from tableEntry in Model.GetITableFromDatabase(db)
+                     select tableEntry).ToList();
+            });
+        }
+
         public override IEnumerable<IGraph> ConvertToLinkedData(IEnumerable<Resource> entries)
         {
             IEnumerable<Visibility> visibilities = VisibilityModel.GetAll();
@@ -113,6 +125,9 @@ namespace SQL2Linked.Implementations
                 AssertToGraphUriNode(graph, resourceGraphName, foaf + "homepage", resourceGraphName);
                 Console.WriteLine($"For resource '{entry.DisplayName}' will migrate triple '{resourceGraphName} {foaf}homepage {resourceGraphName}'. ");
 
+                AssertToGraphLiteralNode(graph, resourceGraphName, cosc + "terms/resource#deleted", entry.Deleted.ToString().ToLower(), new Uri("http://www.w3.org/2001/XMLSchema#boolean"));
+                Console.WriteLine($"For project '{entry.DisplayName}' will migrate triple '{resourceGraphName} {cosc}terms/resource#deleted {entry.Deleted}'. ");
+
                 SparqlParameterizedString cmdString = new SparqlParameterizedString
                 {
                     CommandText = "SELECT DISTINCT ?g " +