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https://framagit.org/la-chariotte/la-chariotte.git
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237 lines
9.1 KiB
Python
237 lines
9.1 KiB
Python
from io import BytesIO
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from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
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from django.http import FileResponse, HttpResponse, HttpResponseRedirect
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from django.shortcuts import get_object_or_404, render
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from django.template.loader import get_template
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from django.urls import reverse, reverse_lazy
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from django.utils import timezone
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from django.views import generic
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from xhtml2pdf import pisa
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from .forms import GroupedOrderForm, ItemCreateForm
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from .models import GroupedOrder, Item, Order, OrderAuthor, OrderedItem
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class IndexView(LoginRequiredMixin, generic.ListView):
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"""View showing all the grouped orders organized by the authenticated user"""
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template_name = "order/index.html"
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context_object_name = "grouped_order_list"
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def get_queryset(self):
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"""Only grouped orders organized by logged user"""
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logged_user_grouped_orders = GroupedOrder.objects.filter(orga=self.request.user)
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"""3 grouped_order status : incoming, crossed_deadline, and old"""
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now = timezone.now()
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today = now.date()
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"""Return the 5 most recent old grouped orders"""
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old_grouped_orders = logged_user_grouped_orders.filter(
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# is_to_be_delivered=False
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delivery_date__lt=today
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).order_by("-delivery_date")[
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:5
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] # delivery date < today (delivered)
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"""Return all grouped orders, that have crossed their ordering deadline but the delivery date is still to come"""
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crossed_dealine_grouped_orders = (
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logged_user_grouped_orders.filter(delivery_date__gte=today)
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.filter(deadline__lt=now)
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.order_by("-delivery_date")
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) # delivery date >= today (not delivered) and deadline < today (we cannot order)
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"""Return all incoming grouped orders"""
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incoming_grouped_orders = logged_user_grouped_orders.filter(
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deadline__gte=now
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).order_by(
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"deadline"
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) # dealine >= today (we can still order)
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return {
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"old_grouped_orders": old_grouped_orders,
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"crossed_deadline_grouped_orders": crossed_dealine_grouped_orders,
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"incoming_grouped_orders": incoming_grouped_orders,
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}
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class GroupedOrderDetailView(generic.DetailView):
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"""Detail view for a grouped order - possibility to order if it is ongoing - No permissions restriction"""
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model = GroupedOrder
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template_name = "order/grouped_order_detail.html"
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context_object_name = "grouped_order"
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class GroupedOrderOverview(UserPassesTestMixin, generic.DetailView):
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"""Overview of a grouped order, for the organizer"""
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model = GroupedOrder
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template_name = "order/grouped_order_overview.html"
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context_object_name = "grouped_order"
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def test_func(self):
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"""Accessible only if the requesting user is the grouped order organizer"""
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return self.get_object().orga == self.request.user
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def get(self, request, *args, **kwargs):
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# Compute grouped order total price before display
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self.get_object().compute_total_price()
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return super().get(self, request, *args, **kwargs)
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def get_context_data(self, **kwargs):
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context = super(GroupedOrderOverview, self).get_context_data(**kwargs)
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# Add share link to context
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context["share_link"] = self.request.build_absolute_uri(
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reverse("order:grouped_order_detail", args=(self.get_object().pk,))
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)
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return context
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class GroupedOrderCreateView(LoginRequiredMixin, generic.CreateView):
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"""View for creating a new grouped order"""
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model = GroupedOrder
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form_class = GroupedOrderForm
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template_name = "order/grouped_order_create.html"
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
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kwargs["user"] = self.request.user
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return kwargs
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class GroupedOrderAddItemsView(UserPassesTestMixin, generic.ListView):
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"""After creating grouped order, view for adding items to it"""
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model = Item
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template_name = "order/grouped_order_add_items.html"
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queryset = Item.objects.all()
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def get_queryset(self):
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items = super().get_queryset()
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items = items.filter(grouped_order__id=self.kwargs.get("pk"))
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return items
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def get_context_data(self, **kwargs):
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context = super(GroupedOrderAddItemsView, self).get_context_data(**kwargs)
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context["grouped_order"] = GroupedOrder.objects.get(id=self.kwargs.get("pk"))
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return context
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def test_func(self):
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"""Accessible only if the requesting user is the grouped order organizer"""
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grouped_order_id = self.kwargs.get("pk")
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return GroupedOrder.objects.get(pk=grouped_order_id).orga == self.request.user
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class ItemCreateView(UserPassesTestMixin, generic.CreateView):
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"""CreateView for an item"""
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model = Item
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form_class = ItemCreateForm
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def get_form_kwargs(self):
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kwargs = super().get_form_kwargs()
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kwargs["grouped_order"] = GroupedOrder.objects.get(id=self.kwargs.get("pk"))
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return kwargs
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def test_func(self):
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"""Accessible only if the requesting user is the grouped order organizer"""
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grouped_order_id = self.kwargs.get("pk")
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return GroupedOrder.objects.get(pk=grouped_order_id).orga == self.request.user
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def order(request, grouped_order_id):
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"""Creates an AnonymousUser, and an Order for this GroupedOrder, with related OrderedItems"""
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grouped_order = get_object_or_404(GroupedOrder, pk=grouped_order_id)
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# get a dict with (quantity_{{item_id}}:{{quantity}})
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orders_dict = {
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key: value for key, value in request.POST.items() if key.startswith("quantity")
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}
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first_name = request.POST["first_name"]
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last_name = request.POST["last_name"]
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phone = request.POST["phone"]
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email = request.POST["email"]
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author = OrderAuthor.objects.create(
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first_name=first_name, last_name=last_name, email=email, phone=phone
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)
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order = Order.objects.create(author=author, grouped_order=grouped_order)
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for key, quantity in orders_dict.items():
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if quantity == "":
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quantity = 0
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if int(quantity) > 0:
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item = grouped_order.item_set.get(pk=key.split("_")[1])
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OrderedItem.objects.create(nb=quantity, order=order, item=item)
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item.compute_ordered_nb()
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order.compute_order_articles_nb()
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if order.articles_nb == 0:
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# Redisplay the order form for this grouped order.
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return render(
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request,
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"order/grouped_order_detail.html",
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{
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"grouped_order": grouped_order,
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"error_message": "Veuillez commander au moins un produit",
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},
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)
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else:
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order.compute_order_price()
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# Always return an HttpResponseRedirect after successfully dealing
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# with POST data. This prevents data from being posted twice if a
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# user hits the Back button.
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return HttpResponseRedirect(
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reverse("order:order_confirm", args=(grouped_order.pk, order.pk))
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)
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class OrderDetailView(generic.DetailView):
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"""Confirmation page after a user orders"""
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model = Order
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class GroupedOrderSheetMixin:
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"""Mixin for grouped order info export (pdf sheet and csv)"""
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def get_grouped_order_infos(self, grouped_order_id):
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grouped_order = get_object_or_404(GroupedOrder, id=grouped_order_id)
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# Get ordered items
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items = grouped_order.item_set.filter(ordered_nb__gt=0).order_by("name")
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# Get content of orders as a dict {order : [ordered_nb for item 1, ordered_nb for item 2, ...]}
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orders_dict = {}
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for order in grouped_order.order_set.all():
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ordered_values = [] # ordered_values list as value of the dict
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for item in items: # items that has actually been ordered
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# find the ordered nb of this item in this order
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# if no item of the type has been ordered in this order, put 0
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value = order.ordered_items.filter(item=item).first()
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value = value.nb if value else 0
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ordered_values.append(value)
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orders_dict[order] = ordered_values # order as key of the dict
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return {
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"name": grouped_order.name,
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"delivery_date": grouped_order.delivery_date,
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"items": items,
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"orders_dict": orders_dict,
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"total_price": grouped_order.total_price,
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}
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class GroupedOrderSheetView(GroupedOrderOverview, GroupedOrderSheetMixin):
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"""View to get a pdf sheet summing up the grouped order for delivery"""
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template_name = "order/grouped_order_sheet.html"
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def get(self, request, pk):
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grouped_order_sheet_info = self.get_grouped_order_infos(pk)
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# should_include_prices = True if request.GET.get("with_prices", False) else False
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# delivery_sheet_info["include_prices"] = should_include_prices - à ajouter plus tard
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template = get_template(self.template_name)
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html = template.render(grouped_order_sheet_info)
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result = BytesIO()
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pdf = pisa.pisaDocument(BytesIO(html.encode("UTF-8")), result)
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return HttpResponse(result.getvalue(), content_type="application/pdf")
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