380 lines
13 KiB
Python
380 lines
13 KiB
Python
# lingo - basket and payment system
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# Copyright (C) 2015 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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import json
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import requests
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import urllib
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from dateutil import parser
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from decimal import Decimal
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import eopayment
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from jsonfield import JSONField
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from django import template
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from django.conf import settings
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from django.db import models
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from django.forms import models as model_forms, Select
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from django.utils.translation import ugettext_lazy as _
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from django.utils import timezone
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from django.core.exceptions import PermissionDenied
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from ckeditor.fields import RichTextField
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from combo.data.models import CellBase
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from combo.data.library import register_cell_class
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from combo.utils import NothingInCacheException, sign_url
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SERVICES = [
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(eopayment.DUMMY, _('Dummy (for tests)')),
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(eopayment.SYSTEMPAY, 'systempay (Banque Populaire)'),
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(eopayment.SIPS, 'SIPS'),
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(eopayment.SPPLUS, _('SP+ (Caisse d\'epargne)')),
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(eopayment.OGONE, _('Ingenico (formerly Ogone)')),
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(eopayment.PAYBOX, _('Paybox')),
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(eopayment.PAYZEN, _('PayZen')),
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]
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def build_remote_item(data, regie):
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return RemoteItem(id=data.get('id'), regie=regie,
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creation_date=data['created'],
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payment_limit_date=data['pay_limit_date'],
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display_id=data['display_id'],
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total_amount=data.get('total_amount'),
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amount=data.get('amount'),
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subject=data.get('label'),
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has_pdf=data.get('has_pdf'),
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online_payment=data.get('online_payment'))
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class Regie(models.Model):
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label = models.CharField(verbose_name=_('Label'), max_length=64)
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slug = models.SlugField(unique=True)
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description = models.TextField(verbose_name=_('Description'))
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service = models.CharField(verbose_name=_('Payment Service'),
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max_length=64, choices=SERVICES)
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service_options = JSONField(blank=True,
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verbose_name=_('Payment Service Options'))
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webservice_url = models.URLField(_('Webservice URL to retrieve remote items'),
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blank=True)
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payment_min_amount = models.DecimalField(_('Minimal payment amount'),
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max_digits=7, decimal_places=2, default=0)
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def is_remote(self):
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return self.webservice_url != ''
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class Meta:
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verbose_name = _('Regie')
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def natural_key(self):
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return (self.slug,)
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def __unicode__(self):
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return self.label
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def get_past_items(self, context):
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"""
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returns past items
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"""
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return self.get_items(context, past=True)
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def get_items(self, context, past=False):
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"""
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returns current or past items
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"""
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if not self.is_remote():
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payed = not past
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return self.basketitem_set.filter(payment_date__isnull=payed,
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user=context.get('user'))
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if context.get('user'):
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if context.get('request') and hasattr(context['request'], 'session') and \
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context['request'].session.get('mellon_session'):
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mellon = context.get('request').session['mellon_session']
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url = self.webservice_url + '/invoices/'
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if past:
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url += 'history'
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items = self.get_url(context['request'], url,
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NameID=mellon['name_id_content']).json()
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if items.get('data'):
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return [build_remote_item(item, self) for item in items.get('data')]
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return []
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return []
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def download_item(self, request, item_id):
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"""
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downloads item's file
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"""
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if self.is_remote():
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if hasattr(request, 'session') and request.session.get('mellon_session'):
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mellon = request.session.get('mellon_session')
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url = self.webservice_url + '/invoice/%s/pdf' % item_id
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return self.get_url(request, url, NameID=mellon['name_id_content'])
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raise PermissionDenied
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def get_item(self, request, item):
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if not self.is_remote():
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return self.basketitem_set.get(pk=item)
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if hasattr(request, 'session') and request.session.get('mellon_session'):
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mellon = request.session.get('mellon_session')
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url = self.webservice_url + '/invoice/%s/' % item
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item = self.get_url(request, url,
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NameID=mellon['name_id_content']).json()
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return build_remote_item(item.get('data'), self)
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return {}
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def pay_item(self, request, item):
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url = self.webservice_url + '/invoice/%s/pay/' % item
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return self.get_url(request, url)
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def as_api_dict(self):
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return {'slug': self.slug,
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'label': self.label,
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'description': self.description}
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def get_url(self, request, url, **params):
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orig = request.get_host()
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url += '?orig=' + orig +'&' + urllib.urlencode(params)
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signature_key = settings.LINGO_SIGNATURE_KEY
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url = sign_url(url, key=signature_key)
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return requests.get(url)
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class BasketItem(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL)
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regie = models.ForeignKey(Regie)
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subject = models.CharField(verbose_name=_('Subject'), max_length=64)
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source_url = models.URLField(_('Source URL'))
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details = models.TextField(verbose_name=_('Details'), blank=True)
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amount = models.DecimalField(verbose_name=_('Amount'),
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decimal_places=2, max_digits=8)
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creation_date = models.DateTimeField(auto_now_add=True)
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cancellation_date = models.DateTimeField(null=True)
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payment_date = models.DateTimeField(null=True)
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notification_date = models.DateTimeField(null=True)
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def notify(self):
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# TODO: sign with real values
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url = self.source_url + 'jump/trigger/paid?email=trigger@localhost&orig=combo'
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url = sign_url(url, key='xxx')
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message = {'result': 'ok'}
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r = requests.post(url, data=json.dumps(message), timeout=3)
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self.notification_date = timezone.now()
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self.save()
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class RemoteItem(object):
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def __init__(self, id, regie, creation_date, payment_limit_date,
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total_amount, amount, display_id, subject, has_pdf,
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online_payment):
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self.id = id
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self.regie = regie
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self.creation_date = parser.parse(creation_date)
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self.payment_limit_date = parser.parse(payment_limit_date)
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self.total_amount = Decimal(total_amount)
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self.amount = Decimal(amount)
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self.display_id = display_id
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self.subject = subject
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self.has_pdf = has_pdf
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self.online_payment = online_payment
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class Transaction(models.Model):
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regie = models.ForeignKey(Regie, null=True)
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items = models.ManyToManyField(BasketItem, blank=True)
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remote_items = models.CharField(max_length=512)
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start_date = models.DateTimeField(auto_now_add=True)
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end_date = models.DateTimeField(null=True)
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bank_data = JSONField(blank=True)
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order_id = models.CharField(max_length=200)
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user = models.ForeignKey(settings.AUTH_USER_MODEL, null=True)
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status = models.IntegerField(null=True)
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amount = models.DecimalField(default=0, max_digits=7, decimal_places=2)
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def is_remote(self):
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return self.remote_items != ''
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def is_paid(self):
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return self.status == eopayment.PAID
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def get_status_label(self):
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return {
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0: _('Running'),
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eopayment.PAID: _('Paid'),
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eopayment.CANCELLED: _('Cancelled'),
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}.get(self.status) or _('Unknown')
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@register_cell_class
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class LingoBasketCell(CellBase):
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class Meta:
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verbose_name = _('Basket')
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@classmethod
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def is_enabled(cls):
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return Regie.objects.count() > 0
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def is_relevant(self, context):
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if not (getattr(context['request'], 'user', None) and context['request'].user.is_authenticated()):
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return False
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items = BasketItem.objects.filter(
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user=context['request'].user, payment_date__isnull=True
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).exclude(cancellation_date__isnull=False)
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return len(items) > 0
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def render(self, context):
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basket_template = template.loader.get_template('lingo/combo/basket.html')
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context['items'] = BasketItem.objects.filter(
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user=context['request'].user, payment_date__isnull=True
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).exclude(cancellation_date__isnull=False)
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context['total'] = sum([x.amount for x in context['items']])
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return basket_template.render(context)
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@register_cell_class
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class LingoRecentTransactionsCell(CellBase):
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class Meta:
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verbose_name = _('Recent Transactions')
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@classmethod
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def is_enabled(cls):
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return Regie.objects.count() > 0
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def is_relevant(self, context):
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if not (getattr(context['request'], 'user', None) and context['request'].user.is_authenticated()):
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return False
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transactions = Transaction.objects.filter(
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user=context['request'].user,
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start_date__gte=timezone.now()-datetime.timedelta(days=7))
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return len(transactions) > 0
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def render(self, context):
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recent_transactions_template = template.loader.get_template(
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'lingo/combo/recent_transactions.html')
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context['transactions'] = Transaction.objects.filter(
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user=context['request'].user,
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start_date__gte=timezone.now()-datetime.timedelta(days=7)
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).order_by('-start_date')
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return recent_transactions_template.render(context)
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@register_cell_class
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class LingoBasketLinkCell(CellBase):
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user_dependant = True
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class Meta:
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verbose_name = _('Basket Link')
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@classmethod
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def is_enabled(cls):
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return Regie.objects.count() > 0
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def is_relevant(self, context):
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if not (getattr(context['request'], 'user', None) and context['request'].user.is_authenticated()):
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return False
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items = BasketItem.objects.filter(
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user=context['request'].user, payment_date__isnull=True
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).exclude(cancellation_date__isnull=False)
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return len(items) > 0
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def render(self, context):
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if not (getattr(context['request'], 'user', None) and context['request'].user.is_authenticated()):
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return ''
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basket_template = template.loader.get_template('lingo/combo/basket_link.html')
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context['items'] = BasketItem.objects.filter(
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user=context['request'].user, payment_date__isnull=True
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).exclude(cancellation_date__isnull=False)
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context['total'] = sum([x.amount for x in context['items']])
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return basket_template.render(context)
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class Items(CellBase):
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regie = models.CharField(_('Regie'), max_length=50, blank=True)
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title = RichTextField(_('Title'), blank=True)
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user_dependant = True
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template_name = 'lingo/combo/items.html'
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class Meta:
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abstract = True
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class Media:
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js = ('xstatic/jquery-ui.min.js', 'js/gadjo.js',)
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css = {'all': ('xstatic/themes/smoothness/jquery-ui.min.css', )}
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@classmethod
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def is_enabled(cls):
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return Regie.objects.count() > 0
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def get_default_form_class(self):
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if Regie.objects.count() == 1:
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return None
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regies = [('', _('All'))]
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regies.extend([(r.slug, r.label) for r in Regie.objects.all()])
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return model_forms.modelform_factory(self.__class__,
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fields=['regie', 'title'],
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widgets={'regie': Select(choices=regies)})
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def get_regies(self):
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if self.regie:
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return [Regie.objects.get(slug=self.regie)]
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return Regie.objects.all()
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def get_cell_extra_context(self):
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ctx = {'title': self.title}
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items = self.get_items()
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# sort items by creation date
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items.sort(key=lambda i: i.creation_date, reverse=True)
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ctx.update({'items': items})
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return ctx
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def render(self, context):
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self.context = context
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if not context.get('synchronous'):
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raise NothingInCacheException()
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return super(Items, self).render(context)
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@register_cell_class
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class ItemsHistory(Items):
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class Meta:
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verbose_name = _('Items History Cell')
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def get_items(self):
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items = []
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for r in self.get_regies():
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items.extend(r.get_past_items(self.context))
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return items
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@register_cell_class
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class ActiveItems(Items):
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class Meta:
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verbose_name = _('Active Items Cell')
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def get_items(self):
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items = []
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for r in self.get_regies():
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items.extend(r.get_items(self.context))
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return items
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