Stop collector from triggering full weather refreshes

web/services/city_runtime.py

@@ -6,7 +6,7 @@ from copy import deepcopy
 from datetime import datetime
 from typing import Optional
 
-from fastapi import APIRouter, BackgroundTasks, HTTPException
+from fastapi import APIRouter, HTTPException
 from loguru import logger
 
 from src.analysis.deb_algorithm import load_history
@@ -159,9 +159,6 @@ MARKET_SCAN_PAYLOAD_TTL_SEC = max(
     5,
     int(os.getenv("POLYWEATHER_MARKET_SCAN_PAYLOAD_TTL_SEC", "30")),
 )
-CACHE_REFRESH_LOCK_TTL_SEC = max(30, int(os.getenv("POLYWEATHER_CACHE_REFRESH_LOCK_TTL_SEC", "120")))
-
-
 def _city_cache_is_fresh(entry: Optional[dict], ttl_sec: int) -> bool:
     if not isinstance(entry, dict):
         return False
@@ -407,55 +404,6 @@ def _overlay_latest_wunderground_current(city: str, payload: dict) -> dict:
         return deepcopy(payload)
     return _overlay_wunderground_current(payload, latest_wu)
 
-
-
-def _schedule_cache_refresh(
-    background_tasks: BackgroundTasks,
-    *,
-    kind: str,
-    city: str,
-    force_refresh: bool = False,
-) -> bool:
-    normalized_kind = str(kind or "").strip().lower()
-    normalized_city = str(city or "").strip().lower()
-    if normalized_kind not in {"summary", "panel", "nearby", "market", "full"} or not normalized_city:
-        return False
-    cache_key = f"city:{normalized_kind}:{normalized_city}"
-    owner = _CACHE_DB.acquire_cache_refresh_lock(
-        cache_key,
-        ttl_sec=CACHE_REFRESH_LOCK_TTL_SEC,
-    )
-    if not owner:
-        return False
-
-    def _runner() -> None:
-        try:
-            if normalized_kind == "summary":
-                _refresh_city_summary_cache(normalized_city, force_refresh=force_refresh)
-            elif normalized_kind == "panel":
-                _refresh_city_panel_cache(normalized_city, force_refresh=force_refresh)
-            elif normalized_kind == "nearby":
-                _refresh_city_nearby_cache(normalized_city, force_refresh=force_refresh)
-            elif normalized_kind == "market":
-                _refresh_city_market_cache(normalized_city, force_refresh=force_refresh)
-            else:
-                _refresh_city_full_cache(normalized_city, force_refresh=force_refresh)
-        except Exception as exc:
-            logger.warning(
-                "cache refresh failed kind={} city={} force_refresh={}: {}",
-                normalized_kind,
-                normalized_city,
-                force_refresh,
-                exc,
-            )
-        finally:
-            _CACHE_DB.release_cache_refresh_lock(cache_key, owner)
-
-    background_tasks.add_task(_runner)
-    return True
-
-
-
 def _normalize_city_or_404(name: str) -> str:
     city = name.lower().strip().replace("-", " ")
     city = ALIASES.get(city, city)