Sith/eboutic/views.py
2017-06-13 10:04:13 +02:00

228 lines
11 KiB
Python

# -*- coding:utf-8 -*
#
# Copyright 2016,2017
# - Skia <skia@libskia.so>
#
# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
# http://ae.utbm.fr.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License a published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
from collections import OrderedDict
from datetime import datetime
import hmac
import base64
from OpenSSL import crypto
from django.core.urlresolvers import reverse_lazy
from django.views.generic import TemplateView, View
from django.http import HttpResponse, HttpResponseRedirect
from django.core.exceptions import SuspiciousOperation
from django.db import transaction, DataError
from django.utils.translation import ugettext as _
from django.conf import settings
from counter.models import Customer, Counter, ProductType, Selling
from eboutic.models import Basket, Invoice, InvoiceItem
class EbouticMain(TemplateView):
template_name = 'eboutic/eboutic_main.jinja'
def make_basket(self, request):
if 'basket_id' not in request.session.keys(): # Init the basket session entry
self.basket = Basket(user=request.user)
self.basket.save()
else:
self.basket = Basket.objects.filter(id=request.session['basket_id']).first()
if self.basket is None:
self.basket = Basket(user=request.user)
self.basket.save()
request.session['basket_id'] = self.basket.id
request.session.modified = True
def get(self, request, *args, **kwargs):
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('core:login', args=self.args, kwargs=kwargs) + "?next=" +
request.path)
self.object = Counter.objects.filter(type="EBOUTIC").first()
self.make_basket(request)
return super(EbouticMain, self).get(request, *args, **kwargs)
def post(self, request, *args, **kwargs):
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('core:login', args=self.args, kwargs=kwargs) + "?next=" +
request.path)
self.object = Counter.objects.filter(type="EBOUTIC").first()
self.make_basket(request)
if 'add_product' in request.POST['action']:
self.add_product(request)
elif 'del_product' in request.POST['action']:
self.del_product(request)
return self.render_to_response(self.get_context_data(**kwargs))
def add_product(self, request):
""" Add a product to the basket """
try:
p = self.object.products.filter(id=int(request.POST['product_id'])).first()
if not p.buying_groups.exists():
self.basket.add_product(p)
for g in p.buying_groups.all():
if request.user.is_in_group(g.name):
self.basket.add_product(p)
break
except:
pass
def del_product(self, request):
""" Delete a product from the basket """
try:
p = self.object.products.filter(id=int(request.POST['product_id'])).first()
self.basket.del_product(p)
except:
pass
def get_context_data(self, **kwargs):
kwargs = super(EbouticMain, self).get_context_data(**kwargs)
kwargs['basket'] = self.basket
kwargs['eboutic'] = Counter.objects.filter(type="EBOUTIC").first()
kwargs['categories'] = ProductType.objects.all()
if not self.request.user.was_subscribed:
kwargs['categories'] = kwargs['categories'].exclude(id=settings.SITH_PRODUCTTYPE_SUBSCRIPTION)
return kwargs
class EbouticCommand(TemplateView):
template_name = 'eboutic/eboutic_makecommand.jinja'
def get(self, request, *args, **kwargs):
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('core:login', args=self.args, kwargs=kwargs) + "?next=" +
request.path)
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
def post(self, request, *args, **kwargs):
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('core:login', args=self.args, kwargs=kwargs) + "?next=" +
request.path)
if 'basket_id' not in request.session.keys():
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
self.basket = Basket.objects.filter(id=request.session['basket_id']).first()
if self.basket is None:
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
else:
kwargs['basket'] = self.basket
return self.render_to_response(self.get_context_data(**kwargs))
def get_context_data(self, **kwargs):
kwargs = super(EbouticCommand, self).get_context_data(**kwargs)
kwargs['et_request'] = OrderedDict()
kwargs['et_request']['PBX_SITE'] = settings.SITH_EBOUTIC_PBX_SITE
kwargs['et_request']['PBX_RANG'] = settings.SITH_EBOUTIC_PBX_RANG
kwargs['et_request']['PBX_IDENTIFIANT'] = settings.SITH_EBOUTIC_PBX_IDENTIFIANT
kwargs['et_request']['PBX_TOTAL'] = int(self.basket.get_total() * 100)
kwargs['et_request']['PBX_DEVISE'] = 978 # This is Euro. ET support only this value anyway
kwargs['et_request']['PBX_CMD'] = self.basket.id
kwargs['et_request']['PBX_PORTEUR'] = self.basket.user.email
kwargs['et_request']['PBX_RETOUR'] = "Amount:M;BasketID:R;Auto:A;Error:E;Sig:K"
kwargs['et_request']['PBX_HASH'] = "SHA512"
kwargs['et_request']['PBX_TYPEPAIEMENT'] = "CARTE"
kwargs['et_request']['PBX_TYPECARTE'] = "CB"
kwargs['et_request']['PBX_TIME'] = str(datetime.now().replace(microsecond=0).isoformat('T'))
kwargs['et_request']['PBX_HMAC'] = hmac.new(settings.SITH_EBOUTIC_HMAC_KEY,
bytes("&".join(["%s=%s" % (k, v) for k, v in kwargs['et_request'].items()]), 'utf-8'),
"sha512").hexdigest().upper()
return kwargs
class EbouticPayWithSith(TemplateView):
template_name = 'eboutic/eboutic_payment_result.jinja'
def post(self, request, *args, **kwargs):
try:
with transaction.atomic():
if 'basket_id' not in request.session.keys() or not request.user.is_authenticated():
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
b = Basket.objects.filter(id=request.session['basket_id']).first()
if b is None or b.items.filter(type_id=settings.SITH_COUNTER_PRODUCTTYPE_REFILLING).exists():
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
c = Customer.objects.filter(user__id=b.user.id).first()
if c is None:
return HttpResponseRedirect(reverse_lazy('eboutic:main', args=self.args, kwargs=kwargs))
kwargs['not_enough'] = True
if c.amount < b.get_total():
raise DataError(_("You do not have enough money to buy the basket"))
else:
eboutic = Counter.objects.filter(type="EBOUTIC").first()
for it in b.items.all():
product = eboutic.products.filter(id=it.product_id).first()
Selling(
label=it.product_name,
counter=eboutic,
club=product.club,
product=product,
seller=c.user,
customer=c,
unit_price=it.product_unit_price,
quantity=it.quantity,
payment_method="SITH_ACCOUNT",
).save()
b.delete()
kwargs['not_enough'] = False
request.session.pop('basket_id', None)
except DataError as e:
kwargs['not_enough'] = True
return self.render_to_response(self.get_context_data(**kwargs))
class EtransactionAutoAnswer(View):
def get(self, request, *args, **kwargs):
if (not 'Amount' in request.GET.keys() or
not 'BasketID' in request.GET.keys() or
not 'Auto' in request.GET.keys() or
not 'Error' in request.GET.keys() or
not 'Sig' in request.GET.keys()):
return HttpResponse("Bad arguments", status=400)
key = crypto.load_publickey(crypto.FILETYPE_PEM, settings.SITH_EBOUTIC_PUB_KEY)
cert = crypto.X509()
cert.set_pubkey(key)
sig = base64.b64decode(request.GET['Sig'])
try:
crypto.verify(cert, sig, '&'.join(request.META['QUERY_STRING'].split('&')[:-1]), "sha1")
except:
return HttpResponse("Bad signature", status=400)
if request.GET['Error'] == "00000":
try:
with transaction.atomic():
b = Basket.objects.select_for_update().filter(id=request.GET['BasketID']).first()
if b is None:
raise SuspiciousOperation("Basket does not exists")
i = Invoice()
i.user = b.user
i.payment_method = "CARD"
i.save()
for it in b.items.all():
InvoiceItem(invoice=i, product_id=it.product_id, product_name=it.product_name, type_id=it.type_id,
product_unit_price=it.product_unit_price, quantity=it.quantity).save()
i.validate()
b.delete()
except Exception as e:
return HttpResponse("Payment failed with error: " + repr(e), status=400)
return HttpResponse()
else:
return HttpResponse("Payment failed with error: " + request.GET['Error'], status=400)