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fix: properly debounce Drive API metadata checks in cache

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Remove the file mtime check from the API debounce tier in
get_sheet_modified_time(). Previously, the debounce was defeated when
CACHE_TTL_SECONDS differed from CACHE_API_CHECK_TTL_SECONDS because
the file age check would fail even though the API was checked recently.

Also fix cache key mappings (attendance_juniors sheet ID,
payments_transactions rename) and add tmp/ to .gitignore.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Jan Novak
2026-03-11 11:01:41 +01:00
parent 76cdcba424
commit 251d7ba6b5
3 changed files with 14 additions and 14 deletions
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23
scripts/cache_utils.py
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@@ -13,15 +13,15 @@ logger = logging.getLogger(__name__)
CACHE_DIR = Path(__file__).parent.parent / "tmp"
CREDS_PATH = Path(__file__).parent.parent / ".secret" / "fuj-management-bot-credentials.json"
DRIVE_TIMEOUT = 10 # seconds
CACHE_TTL_SECONDS = int(os.environ.get("CACHE_TTL_SECONDS", 1800)) # 30 min default for max cache age
CACHE_TTL_SECONDS = int(os.environ.get("CACHE_TTL_SECONDS", 300)) # 30 min default for max cache age
CACHE_API_CHECK_TTL_SECONDS = int(os.environ.get("CACHE_API_CHECK_TTL_SECONDS", 300)) # 5 min default
# Known mappings mapping "cache name" to Google Sheet ID
CACHE_SHEET_MAP = {
"attendance_regular": "1E2e_gT_K5AwSRCDLDTa2UetZTkHmBOcz0kFbBUNUNBA",
"attendance_juniors": "1wXm4gB0rW_LCHgLhCqg0Rk-pGkP5xKIf14dO3D3Z_g4",
"attendance_juniors": "1E2e_gT_K5AwSRCDLDTa2UetZTkHmBOcz0kFbBUNUNBA",
"exceptions_dict": "1Om0YPoDVCH5cV8BrNz5LG5eR5MMU05ypQC7UMN1xn_Y",
"transactions_ledger": "1Om0YPoDVCH5cV8BrNz5LG5eR5MMU05ypQC7UMN1xn_Y"
"payments_transactions": "1Om0YPoDVCH5cV8BrNz5LG5eR5MMU05ypQC7UMN1xn_Y"
}
# Global state to track last Drive API check time per sheet
@@ -72,18 +72,15 @@ def get_sheet_modified_time(cache_key: str) -> str | None:
last_check = _LAST_CHECKED.get(sheet_id, 0)
if CACHE_API_CHECK_TTL_SECONDS > 0 and (now - last_check) < CACHE_API_CHECK_TTL_SECONDS:
# We checked recently. Do we have a valid cache file?
# We checked recently. Return cached modifiedTime if cache file exists.
if cache_file.exists():
try:
# Still respect the older, broader CACHE_TTL_SECONDS
file_mtime = os.path.getmtime(cache_file)
if CACHE_TTL_SECONDS <= 0 or (now - file_mtime) < CACHE_TTL_SECONDS:
with open(cache_file, "r", encoding="utf-8") as f:
cache_data = json.load(f)
cached_time = cache_data.get("modifiedTime")
if cached_time:
logger.info(f"Skipping Drive API check for {sheet_id} due to {CACHE_API_CHECK_TTL_SECONDS}s API check TTL")
return cached_time
with open(cache_file, "r", encoding="utf-8") as f:
cache_data = json.load(f)
cached_time = cache_data.get("modifiedTime")
if cached_time:
logger.info(f"Skipping Drive API check for {sheet_id} due to {CACHE_API_CHECK_TTL_SECONDS}s API check TTL")
return cached_time
except Exception as e:
logger.warning(f"Error reading existing cache during API skip for {sheet_id}: {e}")