mirror of
https://gitlab2.federez.net/re2o/re2o
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114 lines
4.3 KiB
Python
114 lines
4.3 KiB
Python
# -*- mode: python; coding: utf-8 -*-
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# Re2o est un logiciel d'administration développé initiallement au Rézo Metz. Il
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# se veut agnostique au réseau considéré, de manière à être installable en
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# quelques clics.
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#
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# Copyright © 2018 Hugo Levy-Falk
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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from . import PAYMENT_METHODS
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from cotisations.utils import find_payment_method
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def payment_method_factory(payment, *args, creation=True, **kwargs):
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"""This function finds the right payment method form for a given payment.
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If the payment has a payment method, returns a ModelForm of it. Else if
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it is the creation of the payment, a `PaymentMethodForm`.
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Else `None`.
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Args:
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payment: The payment
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*args: arguments passed to the form
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creation: Should be True if you are creating the payment
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**kwargs: passed to the form
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Returns:
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A form or None
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"""
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payment_method = kwargs.pop("instance", find_payment_method(payment))
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if payment_method is not None:
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return forms.modelform_factory(type(payment_method), fields="__all__")(
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*args, instance=payment_method, **kwargs
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)
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elif creation:
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return PaymentMethodForm(*args, **kwargs)
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class PaymentMethodForm(forms.Form):
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"""A special form which allows you to add a payment method to a `Payment`
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object.
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"""
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payment_method = forms.ChoiceField(
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label=_("Special payment method"),
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help_text=_(
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"Warning: you will not be able to change the payment"
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" method later. But you will be allowed to edit the other"
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" options."
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),
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required=False,
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)
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def __init__(self, *args, **kwargs):
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super(PaymentMethodForm, self).__init__(*args, **kwargs)
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prefix = kwargs.get("prefix", None)
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self.fields["payment_method"].choices = [
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(i, p.NAME) for (i, p) in enumerate(PAYMENT_METHODS)
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]
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self.fields["payment_method"].choices.insert(0, ("", _("No")))
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self.fields["payment_method"].widget.attrs = {"id": "paymentMethodSelect"}
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self.templates = [
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forms.modelform_factory(p.PaymentMethod, fields="__all__")(prefix=prefix)
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for p in PAYMENT_METHODS
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]
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def clean(self):
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"""A classic `clean` method, except that it replaces
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`self.payment_method` by the payment method object if one has been
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found. Tries to call `payment_method.valid_form` if it exists.
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"""
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super(PaymentMethodForm, self).clean()
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choice = self.cleaned_data["payment_method"]
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if choice == "":
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return
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choice = int(choice)
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model = PAYMENT_METHODS[choice].PaymentMethod
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form = forms.modelform_factory(model, fields="__all__")(
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self.data, prefix=self.prefix
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)
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self.payment_method = form.save(commit=False)
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if hasattr(self.payment_method, "valid_form"):
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self.payment_method.valid_form(self)
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return self.cleaned_data
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def save(self, payment, *args, **kwargs):
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"""Saves the payment method.
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Tries to call `payment_method.alter_payment` if it exists.
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"""
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commit = kwargs.pop("commit", True)
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if not hasattr(self, "payment_method"):
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return None
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self.payment_method.payment = payment
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if hasattr(self.payment_method, "alter_payment"):
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self.payment_method.alter_payment(payment)
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if commit:
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payment.save()
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self.payment_method.save()
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return self.payment_method
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