Try implementing persons table

from babel.numbers import format_currency

from rich.text import Text

from textual.widgets import DataTable

from poolpay.model.Person import Person

def to_row(p: Person) -> tuple[str, str, Text, str]:

    balance = format_currency(p.balance_cents / 100, "EUR", locale="de_DE")

    style = "green" if p.balance_cents > 0 else "red" if p.balance_cents < 0 else ""

    return (

        p.name,

        p.cl_account_name,

        Text(balance, style=style),

        ", ".join(card.id for card in p.cards)

    )

class PersonsTable(DataTable):

    def on_mount(self) -> None:

        self.add_columns("Name", "CL-Account", "Kontostand", "Karten-IDs")

        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)