Исправление ошибок в редактировании комплектов: валидация, верстка, расчет цены

myproject/products/views/product_views.py

@@ -208,6 +208,15 @@ class ProductDetailView(LoginRequiredMixin, ManagerOwnerRequiredMixin, DetailVie
         # Единицы продажи (активные, отсортированные)
         context['sales_units'] = self.object.sales_units.filter(is_active=True).order_by('position', 'name')
 
+        # Комплекты, в которых этот товар используется как единица продажи
+        context['kit_items_using_sales_units'] = self.object.kit_items_using_as_sales_unit.select_related('kit', 'sales_unit').prefetch_related('kit__photos')
+
+        # Комплекты, в которых этот товар используется напрямую
+        context['kit_items_using_products'] = self.object.kit_items_direct.select_related('kit').prefetch_related('kit__photos')
+
+        # Комплекты, в которых этот товар используется как часть группы вариантов
+        context['variant_group_kit_items'] = self.object.variant_group_items.select_related('variant_group').prefetch_related('variant_group__kit_items__kit__photos')
+
         return context
 
 

myproject/products/views/productkit_views.py

@@ -113,6 +113,12 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
                     # Извлекаем числовой ID из "product_123"
                     numeric_id = value.split('_')[1]
                     post_data[key] = numeric_id
+            elif key.endswith('-sales_unit') and post_data[key]:
+                value = post_data[key]
+                if '_' in value:
+                    # Извлекаем числовой ID из "sales_unit_123"
+                    numeric_id = value.split('_')[1]
+                    post_data[key] = numeric_id
 
         # Заменяем request.POST на очищенные данные
         request.POST = post_data
@@ -126,9 +132,10 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
             context['kititem_formset'] = KitItemFormSetCreate(self.request.POST, prefix='kititem')
 
             # При ошибке валидации: извлекаем выбранные товары для предзагрузки в Select2
-            from ..models import Product, ProductVariantGroup
+            from ..models import Product, ProductVariantGroup, ProductSalesUnit
             selected_products = {}
             selected_variants = {}
+            selected_sales_units = {}
 
             for key, value in self.request.POST.items():
                 if '-product' in key and value:
@@ -168,8 +175,25 @@ class ProductKitCreateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Create
                     except ProductVariantGroup.DoesNotExist:
                         pass
 
+                if '-sales_unit' in key and value:
+                    try:
+                        sales_unit = ProductSalesUnit.objects.select_related('product').get(id=value)
+
+                        text = f"{sales_unit.name} ({sales_unit.product.name})"
+                        # Получаем actual_price: приоритет sale_price > price
+                        actual_price = sales_unit.sale_price if sales_unit.sale_price else sales_unit.price
+                        selected_sales_units[key] = {
+                            'id': sales_unit.id,
+                            'text': text,
+                            'price': str(sales_unit.price) if sales_unit.price else None,
+                            'actual_price': str(actual_price) if actual_price else '0'
+                        }
+                    except ProductSalesUnit.DoesNotExist:
+                        pass
+
             context['selected_products'] = selected_products
             context['selected_variants'] = selected_variants
+            context['selected_sales_units'] = selected_sales_units
         else:
             context['kititem_formset'] = KitItemFormSetCreate(prefix='kititem')
 
@@ -271,6 +295,12 @@ class ProductKitUpdateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Update
                     # Извлекаем числовой ID из "product_123"
                     numeric_id = value.split('_')[1]
                     post_data[key] = numeric_id
+            elif key.endswith('-sales_unit') and post_data[key]:
+                value = post_data[key]
+                if '_' in value:
+                    # Извлекаем числовой ID из "sales_unit_123"
+                    numeric_id = value.split('_')[1]
+                    post_data[key] = numeric_id
 
         # Заменяем request.POST на очищенные данные
         request.POST = post_data
@@ -284,8 +314,10 @@ class ProductKitUpdateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Update
             context['kititem_formset'] = KitItemFormSetUpdate(self.request.POST, instance=self.object, prefix='kititem')
 
             # При ошибке валидации - подготавливаем данные для Select2
+            from ..models import Product, ProductVariantGroup, ProductSalesUnit
             selected_products = {}
             selected_variants = {}
+            selected_sales_units = {}
 
             for key, value in self.request.POST.items():
                 if '-product' in key and value:
@@ -328,14 +360,35 @@ class ProductKitUpdateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Update
                     except ProductVariantGroup.DoesNotExist:
                         pass
 
+                if '-sales_unit' in key and value:
+                    try:
+                        # Очищаем ID от префикса если есть
+                        numeric_value = value.split('_')[1] if '_' in value else value
+                        sales_unit = ProductSalesUnit.objects.select_related('product').get(id=numeric_value)
+
+                        text = f"{sales_unit.name} ({sales_unit.product.name})"
+                        # Получаем actual_price: приоритет sale_price > price
+                        actual_price = sales_unit.sale_price if sales_unit.sale_price else sales_unit.price
+                        selected_sales_units[key] = {
+                            'id': sales_unit.id,
+                            'text': text,
+                            'price': str(sales_unit.price) if sales_unit.price else None,
+                            'actual_price': str(actual_price) if actual_price else '0'
+                        }
+                    except ProductSalesUnit.DoesNotExist:
+                        pass
+
             context['selected_products'] = selected_products
             context['selected_variants'] = selected_variants
+            context['selected_sales_units'] = selected_sales_units
         else:
             context['kititem_formset'] = KitItemFormSetUpdate(instance=self.object, prefix='kititem')
 
             # Подготавливаем данные для предзагрузки в Select2
+            from ..models import Product, ProductVariantGroup, ProductSalesUnit
             selected_products = {}
             selected_variants = {}
+            selected_sales_units = {}
 
             for item in self.object.kit_items.all():
                 form_prefix = f"kititem-{item.id}"
@@ -354,6 +407,17 @@ class ProductKitUpdateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Update
                         'actual_price': str(actual_price) if actual_price else '0'
                     }
 
+                if item.sales_unit:
+                    sales_unit = item.sales_unit
+                    text = f"{sales_unit.name} ({sales_unit.product.name})"
+                    actual_price = sales_unit.sale_price if sales_unit.sale_price else sales_unit.price
+                    selected_sales_units[f"{form_prefix}-sales_unit"] = {
+                        'id': sales_unit.id,
+                        'text': text,
+                        'price': str(sales_unit.price) if sales_unit.price else None,
+                        'actual_price': str(actual_price) if actual_price else '0'
+                    }
+
                 if item.variant_group:
                     variant_group = ProductVariantGroup.objects.prefetch_related(
                         'items__product'
@@ -373,6 +437,7 @@ class ProductKitUpdateView(LoginRequiredMixin, ManagerOwnerRequiredMixin, Update
 
             context['selected_products'] = selected_products
             context['selected_variants'] = selected_variants
+            context['selected_sales_units'] = selected_sales_units
 
         context['productkit_photos'] = self.object.photos.all().order_by('order', 'created_at')
         context['photos_count'] = self.object.photos.count()