Function groups

Scripts/ButSystem.py:14354–14394

List groups for the current user (with auto-heal schema).

()

            return redirect(url_for("chat_with", username=username))

    # Prefer an explicit file; otherwise accept GIF as a file attachment.
    chosen_file = (
        upfile if (upfile and getattr(upfile, "filename", "")) else (gif if (gif and getattr(gif, "filename", "")) else None)
    )

    if voice and getattr(voice, "filename", ""):
        try:
            _validate_chat_voice_upload(voice)
        except ValueError as ve:
            msg = "Unsupported voice file type."
            if str(ve) == "forbidden_type":
                msg = "Forbidden file type."
            if is_ajax:
                return jsonify(ok=False, error=msg), 400
            flash(msg)
            return redirect(url_for("chat_with", username=username))
    if chosen_file and getattr(chosen_file, "filename", ""):
        try:
            _validate_chat_file_upload(chosen_file)
        except ValueError as ve:
            msg = "Unsupported file type."
            if str(ve) == "forbidden_type":
                msg = "Forbidden file type."
            if is_ajax:
                return jsonify(ok=False, error=msg), 400
            flash(msg)
            return redirect(url_for("chat_with", username=username))

    has_voice = bool(voice and getattr(voice, "filename", ""))
    has_file = bool(chosen_file and getattr(chosen_file, "filename", ""))
    has_gif_url = bool(gif_url)

    if (not body) and (not has_voice) and (not has_file) and (not has_gif_url):
        if is_ajax:
            return jsonify(ok=False, error="Write a message or attach voice/file."), 400
        flash("Write a message or attach voice/file.")
        return redirect(url_for("chat_with", username=username))

    conn = db_connect()
    saved_paths = []
    try:
        exists = conn.execute("SELECT 1 FROM users WHERE username=?", (username,)).fetchone()
        if not exists:
            raise ValueError("User not found")