"""سیگنال‌های اپ admin_panel."""
import logging

from django.db.backends.signals import connection_created
from django.dispatch import receiver

logger = logging.getLogger(__name__)


@receiver(connection_created)
def configure_sqlite_connection(sender, connection, **kwargs):
    """افزایش busy_timeout برای SQLite تا نوشتن هم‌زمان web/worker/scheduler خطا ندهد."""
    if connection.vendor != "sqlite":
        return
    try:
        with connection.cursor() as cursor:
            cursor.execute("PRAGMA busy_timeout=30000;")
    except Exception:
        logger.warning("تنظیم busy_timeout برای SQLite ناموفق بود.", exc_info=True)