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backend/services/audit_filler.py

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+"""Plnění audit_interval pro dokončené 15min sloty (volá ems.fn_fill_audit_interval)."""
+
+from __future__ import annotations
+
+import logging
+from datetime import datetime, timezone
+
+logger = logging.getLogger(__name__)
+
+
+async def fill_audit_for_completed_intervals(site_id: int, db) -> None:
+    """
+    Naplní audit_interval pro všechny dokončené 15min intervaly
+    za posledních 6 hodin které ještě nemají záznam.
+    Volá PostgreSQL funkci ems.fn_fill_audit_interval().
+    """
+    now = datetime.now(timezone.utc)
+    last_complete = now.replace(
+        minute=(now.minute // 15) * 15, second=0, microsecond=0
+    )
+
+    rows = await db.fetch(
+        """
+        SELECT gs.slot
+        FROM generate_series(
+            $1::timestamptz - interval '6 hours',
+            $1::timestamptz - interval '15 minutes',
+            interval '15 minutes'
+        ) AS gs(slot)
+        WHERE NOT EXISTS (
+            SELECT 1 FROM ems.audit_interval ai
+            WHERE ai.site_id = $2 AND ai.interval_start = gs.slot
+        )
+        """,
+        last_complete,
+        site_id,
+    )
+
+    for row in rows:
+        await db.execute(
+            "SELECT ems.fn_fill_audit_interval($1, $2)",
+            site_id,
+            row["slot"],
+        )
+
+    if rows:
+        logger.info("[site=%s] Filled %s missing audit intervals", site_id, len(rows))