duplicate grouped order part 2

la_chariotte/order/urls.py

@@ -35,6 +35,11 @@ urlpatterns = [
         views.GroupedOrderDeleteView.as_view(),
         name="delete_grouped_order",
     ),
+    path(
+        "<int:pk>/dupliquer",
+        views.GroupedOrderDuplicateView.as_view(),
+        name="duplicate_grouped_order",
+    ),
     path(
         "<int:pk>/gerer-produits/nouveau",
         views.ItemCreateView.as_view(),

la_chariotte/order/views/__init__.py

@@ -2,8 +2,9 @@
 from .grouped_order import (ExportGroupedOrderEmailAddressesToCSVView,
                             GroupedOrderAddItemsView, GroupedOrderCreateView,
                             GroupedOrderDeleteView, GroupedOrderDetailView,
-                            GroupedOrderOverview, GroupedOrderSheetView,
+                            GroupedOrderDuplicateView, GroupedOrderOverview,
-                            GroupedOrderUpdateView, IndexView)
+                            GroupedOrderSheetView, GroupedOrderUpdateView,
+                            IndexView)
 from .item import ItemCreateView, ItemDeleteView
 from .order import OrderDetailView, order
 

la_chariotte/order/views/grouped_order.py

@@ -129,6 +129,47 @@ class GroupedOrderUpdateView(UserPassesTestMixin, generic.UpdateView):
         return kwargs
 
 
+class GroupedOrderDuplicateView(UserPassesTestMixin, generic.RedirectView):
+    """View for duplicating an existing grouped order : the groupedOrder is duplicated
+    and the user is redirected to the new grouped order update view"""
+
+    def test_func(self):
+        """Accessible only if the requesting user is the grouped order organizer"""
+        initial_grouped_order_id = self.kwargs.get("pk")
+        return (
+            GroupedOrder.objects.get(pk=initial_grouped_order_id).orga
+            == self.request.user
+        )
+
+    def get(self, request, *args, **kwargs):
+        # overwrite the get function to copy the initial grouped order before redirecting to
+        # the update view of the new grouped order
+        initial_grouped_order = GroupedOrder.objects.get(pk=self.kwargs.get("pk"))
+        new_grouped_order = GroupedOrder.objects.create(
+            name=f"{initial_grouped_order.name} - copie",
+            orga=self.request.user,
+            delivery_date=initial_grouped_order.delivery_date,
+            deadline=initial_grouped_order.deadline,
+            place=initial_grouped_order.place,
+            description=initial_grouped_order.description,
+        )
+        # duplicate each item and add it to new_grouped_order
+        for item in initial_grouped_order.item_set.all():
+            item.pk = None
+            item.ordered_nb = 0
+            item.save()
+            new_grouped_order.item_set.add(item)
+
+        self.kwargs["new_go_id"] = new_grouped_order.pk
+
+        return super().get(request, *args, **kwargs)
+
+    def get_redirect_url(self, *args, **kwargs):
+        return reverse_lazy(
+            "order:update_grouped_order", kwargs={"pk": self.kwargs["new_go_id"]}
+        )
+
+
 class GroupedOrderDeleteView(UserPassesTestMixin, generic.DeleteView):
     """View for deleting a grouped order"""