scheduled fix

app/routes/scheduled_scripts.py

@@ -10,6 +10,7 @@ from app.db.audit import log_audit_event
 from app.db.jobs import create_job
 from app.logging_config import get_logger
 from app.db.scheduled_scripts import (
+    compute_next_run_at,
     create_scheduled_script,
     delete_scheduled_script,
     get_scheduled_script,
@@ -401,7 +402,12 @@ def create_scheduled_script_action(
 ):
     metadata = form_metadata(name, description, schedule_type, schedule_time, timeout_seconds, is_enabled)
     metadata["script_name"] = validate_script_name(script_name)
-    script_id = create_scheduled_script(metadata)
+    # Zapnutý skript nesmí skončit s next_run_at = NULL. Když čas nelze spočítat,
+    # ukaž adminovi chybu místo tichého uložení nespustitelného skriptu.
+    try:
+        script_id = create_scheduled_script(metadata)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=f"Nelze spočítat další běh: {exc}")
     created_name = metadata["script_name"]
     if not script_path(created_name).exists():
         save_script_file(created_name, DEFAULT_SCRIPT_CONTENT)
@@ -519,7 +525,11 @@ def update_scheduled_script_action(
     if not script:
         raise HTTPException(status_code=404, detail="Scheduled script not found")
     metadata = form_metadata(name, description, schedule_type, schedule_time, timeout_seconds, is_enabled)
-    update_scheduled_script(script_id, metadata)
+    # Při editaci se přepočítává next_run_at; neplatnou kombinaci hlásíme adminovi.
+    try:
+        update_scheduled_script(script_id, metadata)
+    except ValueError as exc:
+        raise HTTPException(status_code=400, detail=f"Nelze spočítat další běh: {exc}")
     log_audit_event(
         user,
         action="scheduled_script.updated",
@@ -590,7 +600,16 @@ def toggle_scheduled_script(script_id: int, user=Depends(require_user)):
     if not script:
         raise HTTPException(status_code=404, detail="Scheduled script not found")
     enabled = not bool(script.get("is_enabled"))
-    set_scheduled_script_enabled(script_id, enabled)
+    # Zapnutí dopočítá next_run_at, vypnutí ho nastaví na NULL (řeší DB vrstva).
+    next_run_at = None
+    if enabled:
+        try:
+            next_run_at = compute_next_run_at(
+                script.get("schedule_type"), script.get("schedule_time")
+            )
+        except ValueError as exc:
+            raise HTTPException(status_code=400, detail=f"Nelze spočítat další běh: {exc}")
+    set_scheduled_script_enabled(script_id, enabled, next_run_at)
     log_audit_event(
         user,
         action="scheduled_script.enabled" if enabled else "scheduled_script.disabled",