Add prez:endpointComponentURI for parents in endpoints such that the …

…URIs of parents are included in the response, and get annotated, such that labels are available for breadcrumbs. Update spaceprez profile to include dcterms:title for the OAS profile.
RDFLib · Aug 18, 2023 · d01e9df · d01e9df
1 parent 31383e9
commit d01e9df
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Showing 3 changed files with 16 additions and 4 deletions.
diff --git a/prez/reference_data/profiles/spaceprez_default_profiles.ttl b/prez/reference_data/profiles/spaceprez_default_profiles.ttl
@@ -66,6 +66,7 @@ prez:SpacePrezProfile
     dcterms:description "The OGC API Features specifies the behavior of Web APIs that provide access to features in a dataset in a manner independent of the underlying data store." ;
     dcterms:identifier "oai"^^xsd:token ;
     dcterms:title "OGC API Features" ;
+    altr-ext:hasLabelPredicate dcterms:title ;
     altr-ext:constrainsClass
         dcat:Dataset ,
         geo:FeatureCollection ,

diff --git a/prez/routers/object.py b/prez/routers/object.py
@@ -260,6 +260,17 @@ def generate_system_links_object(
                 Literal(endpoint),
             )
         )
+    # TODO include the actual relationships between the object and the parent objects in the graph
+    for ep_result in relationship_results:
+        for k, v in ep_result.items():
+            if k != "endpoint":
+                internal_links_graph.add(
+                    (
+                        URIRef(object_uri),
+                        PREZ["endpointComponentURI"],
+                        URIRef(v["value"]),
+                    )
+                )
 
 
 # def generate_system_links_non_object(

diff --git a/prez/sparql/objects_listings.py b/prez/sparql/objects_listings.py
@@ -888,16 +888,16 @@ def generate_relationship_query(
     for endpoint, relations in endpoint_to_relations.items():
         subquery = f"""{{ SELECT ?endpoint {" ".join(["?parent_" + str(i+1) for i, _ in enumerate(relations)])}
         WHERE {{\n BIND("{endpoint}" as ?endpoint)\n"""
-        previous_uri = f"<{uri}>"
+        uri_str = f"<{uri}>"
         for i, relation in enumerate(relations):
             predicate, direction = relation
             parent = "?parent_" + str(i + 1)
             if predicate:
                 if direction == Literal("parent_to_focus"):
-                    subquery += f"{parent} <{predicate}> {previous_uri} .\n"
+                    subquery += f"{parent} <{predicate}> {uri_str} .\n"
                 else:  # assuming the direction is "focus_to_parent"
-                    subquery += f"{previous_uri} <{predicate}> {parent} .\n"
-            previous_uri = parent
+                    subquery += f"{uri_str} <{predicate}> {parent} .\n"
+            uri_str = parent
         subquery += "}}"
         subqueries.append(subquery)