Implement sorting by balance

import re

from decimal import Decimal

from babel.numbers import format_currency

from babel.numbers import NumberFormatError, format_currency, parse_decimal

from rich.text import Text

from textual.widgets import DataTable

        self.add_rows(to_row(p) for p in Person.get_all())

    def on_data_table_header_selected(self, event: DataTable.HeaderSelected) -> None:

        self.sort(event.column_key)

        def convert_to_decimal_if_numeric(thing: str | Text) -> str | Decimal:

            str_value = thing.plain if isinstance(thing, Text) else thing

            str_value_no_currency_symbol = str_value.removesuffix(" €")

            try:

                return parse_decimal(str_value_no_currency_symbol)

            except NumberFormatError:

                return str_value

        self.sort(event.column_key, key=convert_to_decimal_if_numeric)