df7594a105
Import in `ready` method of kfet app config of `kfet.forms` may be annoying because it starts executing `__init__` methods of fields. Causing failures if these methods does DB calls, as `ready` may be called before applying migrations.
107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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from datetime import timedelta
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from decimal import Decimal
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from django import forms
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from django.core.exceptions import ValidationError
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from django.db import models
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from djconfig import config
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from djconfig.forms import ConfigForm
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from .models import Account
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class KFetConfig(object):
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"""kfet app configuration.
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Enhance isolation with backend used to store config.
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Usable after DjConfig middleware was called.
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"""
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prefix = 'kfet_'
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def __getattr__(self, key):
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if key == 'subvention_cof':
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# Allows accessing to the reduction as a subvention
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# Other reason: backward compatibility
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reduction_mult = 1 - self.reduction_cof / 100
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return (1 / reduction_mult - 1) * 100
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return getattr(config, self._get_dj_key(key))
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def list(self):
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"""Get list of kfet app configuration.
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Returns:
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(key, value) for each configuration entry as list.
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"""
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return [(field.label, getattr(config, name), )
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for name, field in KFetConfigForm.base_fields.items()]
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def _get_dj_key(self, key):
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return '{}{}'.format(self.prefix, key)
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def set(self, **kwargs):
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"""Update configuration value(s).
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Args:
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**kwargs: Keyword arguments. Keys must be in kfet config.
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Config entries are updated to given values.
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"""
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# get old config
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new_cfg = KFetConfigForm().initial
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# update to new config
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for key, value in kwargs.items():
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dj_key = self._get_dj_key(key)
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if isinstance(value, models.Model):
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new_cfg[dj_key] = value.pk
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else:
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new_cfg[dj_key] = value
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# save new config
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cfg_form = KFetConfigForm(new_cfg)
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if cfg_form.is_valid():
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cfg_form.save()
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else:
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raise ValidationError(
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'Invalid values in kfet_config.set: %(fields)s',
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params={'fields': list(cfg_form.errors)})
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kfet_config = KFetConfig()
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class KFetConfigForm(ConfigForm):
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kfet_reduction_cof = forms.DecimalField(
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label='Réduction COF', initial=Decimal('20'),
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max_digits=6, decimal_places=2,
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help_text="Réduction, à donner en pourcentage, appliquée lors d'un "
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"achat par un-e membre du COF sur le montant en euros.",
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)
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kfet_addcost_amount = forms.DecimalField(
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label='Montant de la majoration (en €)', initial=Decimal('0'),
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required=False,
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max_digits=6, decimal_places=2,
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)
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kfet_addcost_for = forms.ModelChoiceField(
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label='Destinataire de la majoration', initial=None, required=False,
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help_text='Laissez vide pour désactiver la majoration.',
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queryset=(Account.objects
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.select_related('cofprofile', 'cofprofile__user')
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.all()),
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)
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kfet_overdraft_duration = forms.DurationField(
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label='Durée du découvert autorisé par défaut',
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initial=timedelta(days=1),
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)
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kfet_overdraft_amount = forms.DecimalField(
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label='Montant du découvert autorisé par défaut (en €)',
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initial=Decimal('20'),
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max_digits=6, decimal_places=2,
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)
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kfet_cancel_duration = forms.DurationField(
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label='Durée pour annuler une commande sans mot de passe',
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initial=timedelta(minutes=5),
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)
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