chore: add dummy assets

Author: lubojr

src/eodash_catalog/endpoints.py

@@ -397,6 +397,7 @@ def handle_collection_only(
                 properties={},
                 geometry=None,
                 datetime=dt,
+                assets={"dummy_asset": Asset(href="")},
             )
             link = collection.add_item(item)
             link.extra_fields["datetime"] = format_datetime_to_isostring_zulu(dt)
@@ -1528,6 +1529,7 @@ def handle_vector_tile_source(
                 geometry=create_geometry_from_bbox(bbox),
                 datetime=dt,
                 extra_fields={},
+                assets={"dummy_asset": Asset(href="")},
             )
             extra_fields_link = {}
             add_authentication(item, time_entry["Url"], extra_fields_link)

src/eodash_catalog/utils.py

@@ -328,6 +328,7 @@ def add_single_item_if_collection_empty(endpoint_config: dict, collection: Colle
             datetime=datetime(1970, 1, 1, 0, 0, 0, tzinfo=pytztimezone("UTC")),
             start_datetime=datetime(1970, 1, 1, 0, 0, 0, tzinfo=pytztimezone("UTC")),
             end_datetime=datetime.now(tz=pytztimezone("UTC")),
+            assets={"dummy_asset": Asset(href="")},
         )
         collection.add_item(item)
         if not endpoint_config.get("OverwriteBBox"):