goodtimes/manage_subscriptions/forms.py

from django import forms
from accounts.models import IAmPrincipalType
from manage_subscriptions.models import (
    PrincipalSubscription,
    Subscription,
)

class SubscriptionForm(forms.ModelForm):
    class Meta:
        model = Subscription
        fields = [
            "title",
            "short_description",
            "long_description",
            "interval",
            "interval_count",
            "high_amount",
            "amount",
            "principal_types",
            "referral_percentage",
            "active",
            "is_free",
        ]
        exclude = []

    def __init__(self, *args, **kwargs):
        super(SubscriptionForm, self).__init__(*args, **kwargs)
        event_user = IAmPrincipalType.objects.get(name="event_user")
        event_manager = IAmPrincipalType.objects.get(name="event_manager")
        self.fields["principal_types"].queryset = IAmPrincipalType.objects.filter(
            id__in=[event_user.id, event_manager.id]
        )

        if self.instance:
            # If there is an instance (i.e. we're editing an existing subscription)

            # Use a dictionary comprehension to create a new dictionary of fields
            # that excludes the readonly fields
            self.fields = {
                field_name: field
                for field_name, field in self.fields.items()
                if field_name not in [
                    "interval",
                    "interval_count",
                    "amount",
                    "high_amount",
                    "principal_types",
                ]
            }


class PrincipalSubscriptionForm(forms.ModelForm):
    class Meta:
        model = PrincipalSubscription
        fields = [
            "subscription",
            "principal",
            "status",
            "start_date",
            "end_date",
            "grace_period_end_date",
            "comments",
            "coupon_code"
        ]  # Includes all fields from the model
        widgets = {
            "start_date": forms.DateInput(attrs={"type": "date"}),
            "end_date": forms.DateInput(attrs={"type": "date"}),
            "grace_period_end_date": forms.DateInput(attrs={"type": "date"}),
        }