accounting/expenses/forms.py

from django import forms
from django.contrib.auth.models import User
from django.core.exceptions import ValidationError

from expenses.models import (
    Category,
    Expense,
    MultiplePaymentExepense,
    LoneExpense,
    RawExpense,
)


class CategoryForm(forms.ModelForm):
    class Meta:
        model = Category
        fields = "__all__"

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)


class ExpenseForm(forms.Form):
    is_multiple_payment = forms.BooleanField(
        label="Is mulptiple payment", initial=False
    )


class MultiplePaymentExepenseForm(forms.ModelForm):
    class Meta:
        model = MultiplePaymentExepense
        fields = (
            "name",
            "date",
            "amount",
            "number_of_payment",
            "category",
            "source",
        )

    first_payment_amount = forms.DecimalField(max_digits=10, decimal_places=2)

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)


class SubExpenseForm(forms.ModelForm):
    class Meta:
        model = RawExpense
        fields = ("amount",)

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)


class LoneExpenseForm(forms.ModelForm):
    class Meta:
        model = LoneExpense
        fields = (
            "name",
            "date",
            "amount",
            "category",
            "source",
        )

    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)