INNER CODE UNIT · Python

_startup_backfill

aaryansinha16/AI-trader · backend/app.py:431

    def _startup_backfill():
        try:
            if not _is_market_hours():
                return
            today = date.today()
            day_start = datetime(today.year, today.month, today.day, 9, 15, 0)
            end_dt = datetime.now()

            # Find the first candle we have today (could be None if totally missing)
            first = read_sql(
                "SELECT MIN(timestamp) as first_bar FROM minute_candles "
                "WHERE symbol = 'NIFTY-I' AND timestamp::date = :d",
                {"d": today.isoformat()}
            )
            first_bar = None
            if not first.empty and first.iloc[0]["first_bar"] is not None:
                first_bar = pd.to_datetime(first.iloc[0]["first_bar"], utc=True)
                first_bar_ist = first_bar.tz_convert("Asia/Kolkata").replace(tzinfo=None)

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