[Fixes #6952] Layer UUID handler

geonode/api/resourcebase_api.py

@@ -94,6 +94,7 @@ class CommonMetaApi:
         'owner': ALL_WITH_RELATIONS,
         'date': ALL,
         'purpose': ALL,
+        'uuid': ALL_WITH_RELATIONS,
         'abstract': ALL
     }
     ordering = ['date', 'title', 'popular_count']

geonode/layers/models.py

@@ -616,8 +616,14 @@ def pre_save_layer(instance, sender, **kwargs):
     if instance.owner is None:
         instance.owner = get_valid_user()
 
-    if instance.uuid == '':
-        instance.uuid = str(uuid.uuid1())
+    logger.debug("handling UUID In pre_save_layer")
+    if hasattr(settings, 'LAYER_UUID_HANDLER') and settings.LAYER_UUID_HANDLER != '':
+        logger.debug("using custom uuid handler In pre_save_layer")
+        from geonode.layers.utils import get_uuid_handler
+        instance.uuid = get_uuid_handler()(instance).create_uuid()
+    else:
+        if instance.uuid == '':
+            instance.uuid = str(uuid.uuid1())
 
     logger.debug("In pre_save_layer")
     if instance.alternate is None:

geonode/layers/utils.py

@@ -1388,3 +1388,8 @@ def set_layers_permissions(permissions_name, resources_names=None,
                         if verbose:
                             logger.info("Permissions successfully updated!")
                             print("Permissions successfully updated!")
+
+
+def get_uuid_handler():
+    from django.utils.module_loading import import_string
+    return import_string(settings.LAYER_UUID_HANDLER)

geonode/settings.py

@@ -2122,3 +2122,4 @@ def get_geonode_catalogue_service():
 # -- END Settings for MONITORING plugin
 
 CATALOG_METADATA_TEMPLATE = os.getenv("CATALOG_METADATA_TEMPLATE", "catalogue/full_metadata.xml")
+