153 lines
5.1 KiB
Python
153 lines
5.1 KiB
Python
# lingo - basket and payment system
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# Copyright (C) 2019 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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from django import forms
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from django.core.exceptions import ValidationError
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from django.utils.translation import ugettext_lazy as _
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from .models import Regie, PaymentBackend
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TYPE_FIELD_MAPPING = {
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str: forms.CharField,
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bool: forms.BooleanField,
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int: forms.IntegerField,
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float: forms.FloatField,
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}
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def get_validator(func, err_msg):
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def validate(value):
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if not func(value):
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message = err_msg or _('Invalid value.')
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raise ValidationError(message)
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return validate
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def create_form_fields(parameters, json_field):
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fields, initial = [], {}
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for param in parameters:
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field_name = param['name']
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if field_name in ('normal_return_url', 'automatic_return_url') or param.get('deprecated'):
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continue
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field_params = {
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'label': param.get('caption') or field_name,
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'required': param.get('required', False)
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}
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if 'validation' in param:
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field_params['validators'] = [
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get_validator(param['validation'], param.get('validation_err_msg'))
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]
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_type = param.get('type', str)
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choices = param.get('choices')
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if choices is not None:
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field_class = forms.MultipleChoiceField if _type is list else forms.ChoiceField
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if choices and not isinstance(choices[0], tuple):
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choices = [(choice, choice) for choice in choices]
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field_params['choices'] = choices
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else:
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field_class = TYPE_FIELD_MAPPING[_type]
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fields.append((field_name, field_class(**field_params)))
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initial_value = json_field.get(field_name, param.get('default'))
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if initial_value:
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initial[field_name] = initial_value
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return fields, initial
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def compute_json_field(parameters, cleaned_data):
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json_field = {}
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for param in parameters:
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param_name = param['name']
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if param_name in cleaned_data:
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json_field[param_name] = cleaned_data[param_name]
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return json_field
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class RegieForm(forms.ModelForm):
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class Meta:
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model = Regie
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fields = ['label', 'slug', 'description', 'payment_backend', 'is_default',
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'webservice_url', 'extra_fees_ws_url', 'payment_min_amount', 'text_on_success']
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def __init__(self, *args, **kwargs):
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super(RegieForm, self).__init__(*args, **kwargs)
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fields, initial = create_form_fields(
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self.instance.payment_backend.get_payment().get_parameters(scope='transaction'),
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self.instance.transaction_options
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)
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self.fields.update(fields)
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self.initial.update(initial)
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def save(self):
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instance = super(RegieForm, self).save()
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instance.transaction_options = compute_json_field(
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self.instance.payment_backend.get_payment().get_parameters(scope='transaction'),
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self.cleaned_data
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)
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instance.save()
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return instance
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class PaymentBackendForm(forms.ModelForm):
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class Meta:
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model = PaymentBackend
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fields = ['label', 'slug', 'service']
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def __init__(self, *args, **kwargs):
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super(PaymentBackendForm, self).__init__(*args, **kwargs)
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fields, initial = create_form_fields(
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self.instance.get_payment().get_parameters(scope='global'),
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self.instance.service_options
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)
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self.fields.update(fields)
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self.initial.update(initial)
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if self.fields['service']:
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self.fields['service'].disabled = True
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def save(self):
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instance = super(PaymentBackendForm, self).save()
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instance.service_options = compute_json_field(
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self.instance.get_payment().get_parameters(scope='global'),
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self.cleaned_data
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)
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instance.save()
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return instance
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class TransactionExportForm(forms.Form):
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start_date = forms.DateField(
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label=_('Start date'),
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widget=forms.DateInput(attrs={'type': 'date'}, format='%Y-%m-%d')
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)
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end_date = forms.DateField(
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label=_('End date'),
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widget=forms.DateInput(attrs={'type': 'date'}, format='%Y-%m-%d')
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)
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def __init__(self, *args, **kwargs):
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super(TransactionExportForm, self).__init__(*args, **kwargs)
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today = datetime.date.today()
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self.initial['start_date'] = today - datetime.timedelta(days=30)
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self.initial['end_date'] = today
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