GeoNode#10995 Faceting: owners

geonode/facets/apps.py

@@ -22,7 +22,6 @@
 
 from geonode.facets.models import FacetProvider
 
-
 logger = logging.getLogger(__name__)
 
 registered_facets = dict()
@@ -38,13 +37,16 @@ def ready(self):
 
         urlpatterns += urls.urlpatterns
 
-        init_thesaurus_providers()
+        init_providers()
 
 
-def init_thesaurus_providers():
-    # should be called at startup and whenever records in Thesaurus or ThesaurusLabel change
+def init_providers():
     from geonode.facets.providers.thesaurus import create_thesaurus_providers
+    from geonode.facets.providers.users import OwnerFacetProvider
+
+    register_facet_provider(OwnerFacetProvider())
 
+    # Thesaurus providers initialiazion should be called at startup and whenever records in Thesaurus or ThesaurusLabel change
     for provider in create_thesaurus_providers():
         register_facet_provider(provider)
 

geonode/facets/providers/users.py

@@ -0,0 +1,44 @@
+import logging
+
+from django.db.models import Count
+
+from geonode.facets.models import FacetProvider, DEFAULT_FACET_PAGE_SIZE
+
+logger = logging.getLogger(__name__)
+
+
+class OwnerFacetProvider(FacetProvider):
+    """
+    Implements faceting for users owner of the resources
+    """
+
+    @property
+    def name(self) -> str:
+        return "owner"
+
+    def get_info(self, lang="en") -> dict:
+        return {
+            "name": "owner",
+            "key": "owner",
+            "label": "Owner",
+            "type": "users",
+            "hierarchical": False,
+            "order": 5,
+        }
+
+    def get_facet_items(
+        self, queryset=None, start: int = 0, end: int = DEFAULT_FACET_PAGE_SIZE, lang="en"
+    ) -> (int, list):
+        logging.debug("Retrieving facets for OWNER")
+
+        q = queryset.values("owner", "owner__username").annotate(count=Count("owner")).order_by("-count")
+
+        cnt = q.count()
+
+        logging.info("Found %d facets for %s", cnt, self.name)
+        logging.debug(" ---> %s\n\n", q.query)
+        logging.debug(" ---> %r\n\n", q.all())
+
+        topics = [{"key": r["owner"], "label": r["owner__username"], "count": r["count"]} for r in q[start:end].all()]
+
+        return cnt, topics