From ce484599b048740812871d071eda01083fff52e4 Mon Sep 17 00:00:00 2001
From: kovalch <nataliia.kovalchuk@liip.ch>
Date: Tue, 30 Jul 2024 10:44:13 +0200
Subject: [PATCH] fix: Rollback to the previous function look, before we
 migrate all licenses to uri

---
 ckanext/dcatapchharvest/profiles.py | 48 +++++++++++++++++++++++------
 1 file changed, 39 insertions(+), 9 deletions(-)

diff --git a/ckanext/dcatapchharvest/profiles.py b/ckanext/dcatapchharvest/profiles.py
index f732956..7b1f392 100644
--- a/ckanext/dcatapchharvest/profiles.py
+++ b/ckanext/dcatapchharvest/profiles.py
@@ -279,7 +279,7 @@ def _get_iana_media_type(self, subject):
 
     def _license_rights_homepage_uri(self, subject, predicate):
         for node in self.g.objects(subject, predicate):
-            # Rights and license has to be a homepage URI
+            # DCAT-AP CH v2 compatible license has to be a URI.
             if isinstance(node, Literal):
                 return dh.get_license_homepage_uri_by_name(node)
             if isinstance(node, URIRef):
@@ -1037,20 +1037,50 @@ def graph_from_dataset(self, dataset_dict, dataset_ref):  # noqa
     def _rights_and_license_to_graph(self, resource_dict, distribution):
         g = self.g
         if resource_dict.get('rights'):
-            rights_ref_uri = dh.get_license_ref_uri_by_homepage_uri(
+            rights_uri = dh.get_license_ref_uri_by_homepage_uri(
                 resource_dict.get('rights')
             )
-            rights_ref = URIRef(rights_ref_uri)
-            g.add((rights_ref, RDF.type, DCT.RightsStatement))
-            g.add((distribution, DCT.rights, rights_ref))
+            if rights_uri is not None:
+                rights_ref = URIRef(rights_uri)
+                g.add((rights_ref, RDF.type, DCT.RightsStatement))
+                g.add((distribution, DCT.rights, rights_ref))
+            if rights_uri is None:
+                rights_name = dh.get_license_name_by_homepage_uri(
+                    resource_dict.get('rights')
+                    )
+                if rights_name is not None:
+                    resource_rights_ref = dh.get_license_ref_uri_by_name(
+                        rights_name)
+                    g.add((
+                        resource_rights_ref,
+                        RDF.type,
+                        DCT.RightsStatement)
+                        )
+                    g.add((distribution, DCT.rights, resource_rights_ref))
 
         if resource_dict.get('license'):
-            license_ref_uri = dh.get_license_ref_uri_by_homepage_uri(
+            license_uri = dh.get_license_ref_uri_by_homepage_uri(
                 resource_dict.get('license')
             )
-            license_ref = URIRef(license_ref_uri)
-            g.add((license_ref, RDF.type, DCT.LicenseDocument))
-            g.add((distribution, DCT.license, license_ref))
+            if license_uri is not None:
+                license_ref = URIRef(license_uri)
+                g.add((license_ref, RDF.type, DCT.LicenseDocument))
+                g.add((distribution, DCT.license, license_ref))
+            if license_uri is None:
+                license_name = dh.get_license_name_by_homepage_uri(
+                    resource_dict.get('license')
+                    )
+                if license_name is not None:
+                    resource_license_ref = dh.get_license_ref_uri_by_name(
+                        license_name)
+                    g.add((
+                        resource_license_ref,
+                        RDF.type,
+                        DCT.LicenseDocument)
+                        )
+                    g.add(
+                        (distribution, DCT.license, resource_license_ref)
+                        )
 
     def _format_and_media_type_to_graph(self, resource_dict, distribution):
         g = self.g