✨ Add ServiceFiltersDB model with service type filtering capabilities

Author: pcrespov

services/catalog/src/simcore_service_catalog/models/services_db.py

@@ -5,8 +5,10 @@
 from models_library.basic_types import IdInt
 from models_library.groups import GroupID
 from models_library.products import ProductName
+from models_library.rest_filters import Filters
 from models_library.services_access import ServiceGroupAccessRights
 from models_library.services_base import ServiceKeyVersion
+from models_library.services_enums import ServiceType
 from models_library.services_types import ServiceKey, ServiceVersion
 from models_library.utils.common_validators import empty_str_to_none_pre_validator
 from pydantic import (
@@ -244,3 +246,19 @@ def _update_json_schema_extra(schema: JsonDict) -> None:
     model_config = ConfigDict(
         from_attributes=True, json_schema_extra=_update_json_schema_extra
     )
+
+
+class ServiceFiltersDB(Filters):
+    service_type: ServiceType | None = None
+
+    @staticmethod
+    def _update_json_schema_extra(schema: JsonDict) -> None:
+        schema.update(
+            {
+                "example": {
+                    "by_service_type": "computational",
+                }
+            }
+        )
+
+    model_config = ConfigDict(json_schema_extra=_update_json_schema_extra)