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views.py
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views.py
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import json
import requests
from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.http import HttpResponse
from django.urls import reverse
from django.utils.decorators import method_decorator
from django.views.decorators.csrf import csrf_exempt
from django.views.generic import CreateView, ListView, DetailView, RedirectView, UpdateView, View
from django_tables2 import SingleTableMixin, MultiTableMixin
from .api.admin import Api
from .api.webhooks import webhook_payload_validator
from .models import Store, Location, Product
from . import forms as forms
from . import tables as tables
class StoreAuthHandler(RedirectView):
def get_redirect_url(self, *args, **kwargs):
network_domain = self.request.GET.get('store', None)
token = self.request.GET.get('token', None)
store_id = network_domain.split('.', 1)[0]
store = Store.objects.filter(ref_id=store_id, status=True)
# Initial install flow doesnt have a token parameter
if network_domain and not token:
permission_setup_url = 'https://{network_domain}/oauth2/authorize/?response_type=code&'
permission_setup_url += 'client_id={client_id}&redirect_uri={redirect_uri}&scope={scopes}'
redirect_url = permission_setup_url.format(
network_domain=network_domain,
client_id=settings.CLIENT_ID,
redirect_uri=settings.APP_DOMAIN + reverse('stores:setup'),
scopes=settings.SCOPES
)
return redirect_url
# If token is present, the app is installed on a store
elif token:
return reverse('stores:detail', args=[store.first().id])
else:
return '/'
class StoreAuthSetup(RedirectView):
def get_redirect_url(self, *args, **kwargs):
network_domain = self.request.GET.get('store', None)
store_id = network_domain.split('.', 1)[0]
auth_code = self.request.GET.get('code', None)
# Request a new api access token
url = 'https://{}/oauth2/token/'.format(network_domain)
data = {
'grant_type': 'authorization_code',
'client_id': settings.CLIENT_ID,
'client_secret': settings.CLIENT_SECRET,
'redirect_uri': settings.APP_DOMAIN + reverse('stores:setup'),
'code': auth_code
}
response = requests.post(url, data=data)
# Save api access token with store for future use
store, created = Store.objects.get_or_create(ref_id=store_id)
store.api_token = response.json().get('access_token', '')
store.status = True
store.save()
# Setup webhooks to listen to new orders and app.uninstalled event
Api(store_id, store.api_token).create_webhook(
settings.WEBHOOK_EVENTS, settings.WEBHOOK_NAME,
settings.APP_DOMAIN + reverse('stores:webhook_processor')
)
# Redirect to store settings once install flow is complete complete
return reverse('stores:detail', args=[store.id])
class StoresListView(LoginRequiredMixin, SingleTableMixin, ListView):
template_name = 'stores/list.html'
table_class = tables.StoresListTable
model = Store
class StoresDetailView(LoginRequiredMixin, MultiTableMixin, DetailView):
template_name = 'stores/detail.html'
model = Store
tables = [
tables.StoreProductsTable,
tables.StoreLocationsTable
]
def get_tables_data(self):
return [
Product.objects.filter(store=self.get_object()),
Location.objects.filter(store=self.get_object())
]
class StoreProductCreateView(LoginRequiredMixin, CreateView):
template_name = 'stores/product-create.html'
form_class = forms.StoreProductCreateForm
def get_queryset(self):
return Store.objects.get(pk=self.kwargs.get('pk'))
def get_form_kwargs(self):
kwargs = super().get_form_kwargs()
kwargs['store'] = self.get_queryset()
return kwargs
def form_valid(self, form, **kwargs):
form.instance.store = self.get_queryset(**kwargs)
return super().form_valid(form)
def get_success_url(self):
return reverse('stores:detail', args=[self.kwargs.get('pk')])
class StoreLocationCreateView(LoginRequiredMixin, CreateView):
template_name = 'stores/location-create.html'
form_class = forms.StoreLocationCreateForm
def get_queryset(self):
return Store.objects.get(pk=self.kwargs.get('pk'))
def form_valid(self, form, **kwargs):
form.instance.store = self.get_queryset(**kwargs)
return super().form_valid(form)
def get_success_url(self):
return reverse('stores:detail', args=[self.kwargs.get('pk')])
class StoreProductUpdateView(LoginRequiredMixin, UpdateView):
template_name = 'stores/product-update.html'
form_class = forms.StoreProductUpdateForm
def get_object(self):
return Product.objects.get(pk=self.kwargs.get('pk'))
def get_success_url(self):
return reverse('stores:detail', args=[self.kwargs.get('pk')])
@method_decorator(csrf_exempt, name='dispatch')
class StoreWebhookProcessor(View):
def post(self, request):
webhook_data = json.loads(self.request.body)
event_type = webhook_data.get('event_type', None)
event_source_store = webhook_data.get('webhook', {}).get('store', None)
store = Store.objects.get(ref_id=event_source_store)
# Validate webhook data
valid = webhook_payload_validator(
json.dumps(webhook_data), self.request.headers.get('X-29Next-Signature', None))
if valid and event_source_store and store:
# Deactivate the store if app is uninstalled
if event_type == 'app.uninstalled':
store.status = False
store.save()
return HttpResponse('success')