fix(restricted_area): Fix cache with specifi restricted area endpoint by type

fix #5136

Author: submarcos

geotrek/zoning/models.py

@@ -35,6 +35,16 @@ class RestrictedArea(TimeStampedModelMixin, models.Model):
         help_text=_("Visible on Geotrek-rando"),
     )
 
+    @classmethod
+    def latest_updated(cls, type_id=None):
+        try:
+            qs = cls.objects.all()
+            if type_id:
+                qs = cls.objects.filter(area_type_id=type_id)
+            return qs.only("date_update").latest("date_update").date_update
+        except cls.DoesNotExist:
+            return None
+
     class Meta:
         ordering = ["area_type", "name"]
         verbose_name = _("Restricted area")

geotrek/zoning/views.py

@@ -1,6 +1,7 @@
 from django.conf import settings
 from django.contrib.gis.db.models.functions import Transform
 from django.shortcuts import get_object_or_404
+from django.utils.translation import get_language
 from mapentity.decorators import view_cache_latest, view_cache_response_content
 from mapentity.renderers import GeoJSONRenderer
 from rest_framework import permissions, viewsets
@@ -32,6 +33,20 @@ class RestrictedAreaViewSet(LandGeoJSONAPIViewMixin, viewsets.ReadOnlyModelViewS
     model = RestrictedArea
     serializer_class = RestrictedAreaSerializer
 
+    def view_cache_key(self):
+        """Used by the ``view_cache_response_content`` decorator."""
+        language = get_language()
+        geojson_lookup = None
+        latest_saved = self.model.latest_updated(type_id=self.kwargs.get("type_pk"))
+        if latest_saved:
+            geojson_lookup = "{}_restricted_area_{}_{}_{}_geojson_layer".format(
+                language,
+                self.kwargs.get("type_pk", "all"),
+                latest_saved.isoformat(),
+                self.request.user.pk if settings.SURICATE_WORKFLOW_ENABLED else "",
+            )
+        return geojson_lookup
+
     def get_queryset(self):
         type_pk = self.kwargs.get("type_pk")
         qs = super().get_queryset()