POS deferred order feature

myproject/orders/views.py

@@ -107,6 +107,24 @@ def order_create(request):
         initial_data = {}
         preselected_customer = None
         customer_id = request.GET.get('customer')
+        
+        # Проверяем, есть ли черновик из POS
+        draft_token = request.GET.get('draft')
+        draft_items = []
+        
+        if draft_token:
+            from django.core.cache import cache
+            cache_key = f'pos_draft:{draft_token}'
+            draft_data = cache.get(cache_key)
+            
+            if draft_data:
+                # Загружаем клиента из черновика
+                customer_id = draft_data.get('customer_id')
+                draft_items = draft_data.get('items', [])
+                
+                # Удаляем черновик из кэша (одноразовый токен)
+                cache.delete(cache_key)
+        
         if customer_id:
             try:
                 from customers.models import Customer
@@ -116,7 +134,37 @@ def order_create(request):
                 pass
 
         form = OrderForm(initial=initial_data)
-        formset = OrderItemFormSet()
+        
+        # Создаем formset с предзаполненными товарами из черновика
+        if draft_items:
+            from products.models import Product, ProductKit
+            initial_formset_data = []
+            
+            for item in draft_items:
+                item_data = {
+                    'quantity': item['quantity'],
+                    'price': item['price'],
+                    'is_custom_price': False,
+                }
+                
+                if item['type'] == 'product':
+                    try:
+                        product = Product.objects.get(id=item['id'])
+                        item_data['product'] = product.id
+                        initial_formset_data.append(item_data)
+                    except Product.DoesNotExist:
+                        pass
+                elif item['type'] in ['kit', 'showcase_kit']:
+                    try:
+                        kit = ProductKit.objects.get(id=item['id'])
+                        item_data['product_kit'] = kit.id
+                        initial_formset_data.append(item_data)
+                    except ProductKit.DoesNotExist:
+                        pass
+            
+            formset = OrderItemFormSet(initial=initial_formset_data)
+        else:
+            formset = OrderItemFormSet()
 
     context = {
         'form': form,