Use Decimal instead of storing values as cents

from dataclasses import dataclass

from decimal import Decimal

@dataclass(frozen=True, eq=False)

    petitioner_contact: str  # “Für Nachfragen: E-Mail, gerne Tel.-Nr.”

    reference: str  # Verwendungszweck

    amount_cent: int  # Betrag

    amount: Decimal  # Betrag

    payee_name: str  # Zahlungsempfänger

    payee_iban: str  # IBAN

    payee_bic: str  # BIC

    budgetary_item_id: str  # Abzurechnen unter Posten

    @property

    def amount_euro(self) -> float:

        """Return the total amount in Euro (e.g. 133.70).

        This converts the total amount in Cent (e.g. 13370) to Euro, by dividing by 100.

        The true amount is always stored in Cent, and all calculations should be done

        using the amount in Cent, to avoid floating-point precision issues; but for

        presentation on the UI, this property might be more helpful.

        """

        return self.amount_cent / 100

from pypdf import PdfReader

from .PaymentOrder import PaymentOrder

def to_amount_cent(amount_rendered: str) -> int:

    # TODO Improve this clunky heuristic

    return int(amount_rendered.replace(",", ""))

from ..amount.AmountParser import parse_euro_amount

def load_pdf(pdf_path: Path | str) -> PaymentOrder:

        petitioner_name=fields["Name"].value,

        petitioner_contact=fields["Kontaktdaten"].value,

        reference=fields["Text6"].value + "\n" + fields["Text7"].value,

        amount_cent=to_amount_cent(fields["Text8"].value),

        amount_cent=parse_euro_amount(fields["Text8"].value),

        payee_name=fields["Text9"].value,

        payee_iban="DE" + fields["Text10"].value,

        payee_bic=fields["Text11"].value,