add orders list, update, create

1 files changed, 101 insertions, 3 deletions

diff --git a/core/views.py b/core/views.py
index f090d81..0e62eaf 100644
--- a/core/views.py
+++ b/core/views.py
@@ -7,9 +7,12 @@ from django.contrib.auth.views import LoginView
 from django.contrib import messages
 from django.db.models import Q
 from django.contrib.auth.mixins import UserPassesTestMixin
+from django.http import HttpResponseRedirect
+from extra_views import CreateWithInlinesView, UpdateWithInlinesView
+from django import forms
 
-from .models import Product, Supplier
-from .forms import ProductForm
+from .models import Product, Supplier, Order, OrderItem
+from .forms import ProductForm, OrderForm, OrderItemFormSet
 
 class UserLoginView(LoginView):
     template_name = "core/login.html"
@@ -54,7 +57,7 @@ class AdminRequiredMixin(UserPassesTestMixin):
         return (
             self.request.user.is_authenticated
             and self.request.user.role
-            and self.request.user.role == "Администратор"
+            and self.request.user.role.name == "Администратор"
         )
 
 class ProductCreateUpdateMixin:
@@ -72,3 +75,98 @@ class ProductCreateView(AdminRequiredMixin, ProductCreateUpdateMixin, CreateView
     def form_valid(self, form):
         messages.success(self.request, "Товар успешно добавлен")
         return super().form_valid(form)
+
+class ProductUpdateView(AdminRequiredMixin, ProductCreateUpdateMixin, UpdateView):
+    model = Product
+    form_class = ProductForm
+    template_name = "core/product_form.html"
+    success_url = reverse_lazy("product_list")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context["is_edit"] = True
+        return context
+
+
+class AdminManagerRequiredMixin(UserPassesTestMixin):
+    def test_func(self):
+        return (
+            self.request.user.is_authenticated
+            and self.request.user.role
+            and (self.request.user.role.name == "Администратор" or self.request.user.role.name == "Менеджер")
+        )
+
+class OrderListView(AdminManagerRequiredMixin, ListView):
+    model = Order
+    template_name = "core/order_list.html"
+    context_object_name = "orders"
+
+
+class OrderCreateView(CreateWithInlinesView):
+    model = Order
+    form_class = OrderForm
+    inlines = [OrderItemFormSet]
+    success_url = reverse_lazy("order_list")
+
+class OrderUpdateView(UpdateWithInlinesView):
+    model = Order
+    form_class = OrderForm
+    inlines = [OrderItemFormSet]
+    success_url = reverse_lazy("order_list")
+
+# formset variant
+# class OrderCreateView(CreateView):
+#     model = Order
+#     form_class = OrderForm
+#     template_name = "core/order_form.html"
+#     success_url = reverse_lazy("order_list")
+
+#     def get_context_data(self, **kwargs):
+#         context = super().get_context_data(**kwargs)
+#         if self.request.POST:
+#             # re-use the bound formset if post() already stashed an invalid one
+#             context["formset"] = getattr(self, "formset", OrderItemFormSet(self.request.POST))
+#         else:
+#             context["formset"] = OrderItemFormSet()
+#         return context
+
+#     def post(self, request, *args, **kwargs):
+#         self.object = None
+#         form = self.get_form()
+#         formset = OrderItemFormSet(request.POST)
+#         if form.is_valid() and formset.is_valid():
+#             self.object = form.save()
+#             formset.instance = self.object
+#             formset.save()
+#             return HttpResponseRedirect(self.get_success_url())
+#         # stash the invalid formset so get_context_data renders it with errors
+#         self.formset = formset
+#         return self.form_invalid(form)
+
+
+# class OrderUpdateView(UpdateView):
+#     model = Order
+#     form_class = OrderForm
+#     template_name = "core/order_form.html"
+#     success_url = reverse_lazy("order_list")
+
+#     def get_context_data(self, **kwargs):
+#         context = super().get_context_data(**kwargs)
+#         if self.request.POST:
+#             context["formset"] = getattr(
+#                 self, "formset", OrderItemFormSet(self.request.POST, instance=self.object)
+#             )
+#         else:
+#             context["formset"] = OrderItemFormSet(instance=self.object)
+#         return context
+
+#     def post(self, request, *args, **kwargs):
+#         self.object = self.get_object()
+#         form = self.get_form()
+#         formset = OrderItemFormSet(request.POST, instance=self.object)
+#         if form.is_valid() and formset.is_valid():
+#             form.save()
+#             formset.save()
+#             return HttpResponseRedirect(self.get_success_url())
+#         self.formset = formset
+#         return self.form_invalid(form)