Method _save_sd_lockout

apps/epg/api_views.py:199–226

Persist a hard lockout to EPGSource custom_properties when SD returns 4100 MAX_LINEUP_CHANGES_REACHED. SD lineup change counters reset at 00:00Z (midnight UTC) per SD's documented behavior — error 4100 states "lineup changes for today" and all SD rate counters reset

(self, source)

        source.save(update_fields=['custom_properties'])

    def _save_sd_lockout(self, source):
        """
        Persist a hard lockout to EPGSource custom_properties when SD returns
        4100 MAX_LINEUP_CHANGES_REACHED. SD lineup change counters reset at
        00:00Z (midnight UTC) per SD's documented behavior — error 4100 states
        "lineup changes for today" and all SD rate counters reset at midnight UTC.
        Lockout clears automatically when the next midnight UTC passes.
        """
        from django.utils import timezone
        from datetime import datetime, timedelta, timezone as dt_timezone

        now = timezone.now()
        # Calculate next midnight UTC — SD resets at 00:00Z not on a rolling window
        tomorrow = (now + timedelta(days=1)).replace(
            hour=0, minute=0, second=0, microsecond=0,
            tzinfo=dt_timezone.utc
        )
        reset_at = tomorrow

        cp = source.custom_properties or {}
        cp['sd_changes_remaining'] = 0
        cp['sd_changes_reset_at'] = reset_at.isoformat()
        source.custom_properties = cp
        source.save(update_fields=['custom_properties'])
        logger.warning(
            f"SD source {source.id}: daily add limit reached (4100). "
            f"Lockout set until {reset_at.isoformat()}."
        )

    def _fetch_sd_countries(self):
        """Fetch the SD country list (token not required; User-Agent is)."""