integrate person and corporate body subjects

src/main/scala/ch/memobase/rico2edm/edm/Extractors.scala

@@ -321,7 +321,25 @@ object Extractors {
                   case Some(s) => Some(s)
                   case None => None
                 }
-              ).toList
+              ).toList :::
+          getAllBlankNodeContent(graph)(record)("hasSubject")
+            .filter(obj =>
+              obj("@type").str == """https://www.ica.org/standards/RiC/ontology#Person""")
+            .flatMap(v  =>
+              stringValue(v)("name") match {
+                case Some(s) => Some(s)
+                case None => None
+              }
+            ).toList :::
+          getAllBlankNodeContent(graph)(record)("hasSubject")
+            .filter(obj =>
+              obj("@type").str == """https://www.ica.org/standards/RiC/ontology#CorporateBody""")
+            .flatMap(v  =>
+              stringValue(v)("name") match {
+                case Some(s) => Some(s)
+                case None => None
+              }
+            ).toList
 
 
   val resourceGenres

src/test/scala/ch/memobase/rico2edm/edm/CHOSpec.scala

@@ -318,6 +318,7 @@ class CHOSpec extends AnyFunSuite with Matchers{
     val cho = Utils.serializeRDFModel(edm.createChoObject(graph,record,digObj).obj.getModel)
     assert(cho.contains("<dc:type>entretien</dc:type>"))
     assert(cho.contains("<dcterms:medium>http://www.wikidata.org/entity/Q875215</dcterms:medium>"))
+    assert(cho.contains("<dc:subject>Benno Besson</dc:subject>"))
 
 
   }