attempt to get relay nested model retrieval

Author: matteius

Dockerfile

@@ -38,4 +38,4 @@ USER opensensor-api
 ENV TZ=UTC
 
 # Start opensensor API
-CMD ["/usr/src/.venv/bin/uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8010", "--workers", "4", "--timeout-keep-alive", "30"]
+CMD ["/usr/src/.venv/bin/uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8010", "--workers", "4", "--timeout-keep-alive", "30", "--log-level", "info"]

opensensor/collection_apis.py

@@ -226,7 +226,7 @@ def create_nested_pipeline(model: Type[BaseModel], prefix=""):
                         "input": f"${full_field_name}",
                         "as": "item",
                         "in": {
-                            k: f"$item.{v.replace('$', '')}" for k, v in nested_pipeline.items()
+                            k: f"$$item.{v.replace('$', '')}" for k, v in nested_pipeline.items()
                         },
                     }
                 }