uncloud-mravi/uncloud/uncloud_pay/views.py

134 lines
4.4 KiB
Python

from django.shortcuts import render
from django.contrib.auth import get_user_model
from rest_framework import viewsets, permissions, status
from rest_framework.response import Response
from rest_framework.decorators import action
import json
from .models import *
from .serializers import *
from datetime import datetime
###
# Standard user views:
class BalanceViewSet(viewsets.ViewSet):
# here we return a number
# number = sum(payments) - sum(bills)
#bills = Bill.objects.filter(owner=self.request.user)
#payments = Payment.objects.filter(owner=self.request.user)
# sum_paid = sum([ amount for amount payments..,. ]) # you get the picture
# sum_to_be_paid = sum([ amount for amount bills..,. ]) # you get the picture
pass
class BillViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = BillSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Bill.objects.filter(owner=self.request.user)
def unpaid(self, request):
return Bill.objects.filter(owner=self.request.user, paid=False)
class PaymentViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = PaymentSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Payment.objects.filter(owner=self.request.user)
class OrderViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = OrderSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Order.objects.filter(owner=self.request.user)
class UserViewSet(viewsets.ReadOnlyModelViewSet):
serializer_class = UserSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return get_user_model().objects.all()
class PaymentMethodViewSet(viewsets.ModelViewSet):
permission_classes = [permissions.IsAuthenticated]
def get_serializer_class(self):
if self.action == 'create':
return CreatePaymentMethodSerializer
else:
return PaymentMethodSerializer
def get_queryset(self):
return PaymentMethod.objects.filter(owner=self.request.user)
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
serializer.save(owner=request.user)
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
# TODO: find a way to customize serializer for actions.
# drf-action-serializer module seems to do that.
@action(detail=True, methods=['post'])
def charge(self, request, pk=None):
payment_method = self.get_object()
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
amount = serializer.data['amount']
if payment_method.charge(amount):
return Response({'charged', amount})
else:
return Response(status=status.HTTP_500_INTERNAL_ERROR)
###
# Admin views.
class AdminPaymentViewSet(viewsets.ModelViewSet):
serializer_class = PaymentSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Payment.objects.all()
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
serializer.save(timestamp=datetime.now())
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
class AdminBillViewSet(viewsets.ModelViewSet):
serializer_class = BillSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Bill.objects.all()
def unpaid(self, request):
return Bill.objects.filter(owner=self.request.user, paid=False)
def create(self, request):
serializer = self.get_serializer(data=request.data)
serializer.is_valid(raise_exception=True)
serializer.save(creation_date=datetime.now())
headers = self.get_success_headers(serializer.data)
return Response(serializer.data, status=status.HTTP_201_CREATED, headers=headers)
class AdminOrderViewSet(viewsets.ModelViewSet):
serializer_class = OrderSerializer
permission_classes = [permissions.IsAuthenticated]
def get_queryset(self):
return Order.objects.all()