refactor main.py

backend/app/refresh_negative_prices.py

@@ -0,0 +1,22 @@
+"""Sdílený hook po importu cen / forecastu – obnova cache predikce záporných cen."""
+
+from __future__ import annotations
+
+import logging
+
+import asyncpg
+
+logger = logging.getLogger(__name__)
+
+
+async def refresh_negative_price_predictions(conn: asyncpg.Connection, site_id: int) -> None:
+    try:
+        await conn.fetch(
+            "SELECT * FROM ems.fn_predict_negative_price_windows($1, 7)", site_id
+        )
+    except Exception:
+        logger.warning(
+            "fn_predict_negative_price_windows failed for site %s",
+            site_id,
+            exc_info=True,
+        )