Function dm_lock_set

Scripts/ButSystem.py:14696–14711

(username: str)

    status_since = (request.args.get("status_since") or "").strip()
    if not status_since:
        status_since = "1970-01-01T00:00:00Z"
    updates = []
    try:
        urows = conn.execute(
            """
            SELECT id, delivered_at, read_at
            FROM dm_messages
            WHERE sender=? AND recipient=? AND (
              (delivered_at IS NOT NULL AND delivered_at > ?) OR
              (read_at IS NOT NULL AND read_at > ?)
            )
            ORDER BY id DESC
            LIMIT 120
            """,
            (me, peer, status_since, status_since),
        ).fetchall()
        for ur in urows:
            updates.append({
                "id": int(ur["id"]),