feat(orders): add recipient management and enhance order forms

- Introduced Recipient model to manage order recipients separately from customers.
- Updated Order model to link to Recipient, replacing recipient_name and recipient_phone fields.
- Enhanced OrderForm to include recipient selection modes: customer, history, and new.
- Added AJAX endpoint to fetch recipient history for customers.
- Updated admin interface to manage recipients and display recipient information in order details.
- Refactored address handling to accommodate new recipient logic.
- Improved demo order creation to include random recipients.

myproject/orders/management/commands/create_demo_orders.py

@@ -10,7 +10,7 @@ from datetime import datetime, timedelta
 import random
 from decimal import Decimal
 
-from orders.models import Order, OrderItem, Address
+from orders.models import Order, OrderItem, Address, Recipient
 from customers.models import Customer
 from inventory.models import Warehouse
 from products.models import Product
@@ -133,8 +133,14 @@ class Command(BaseCommand):
                 # Дополнительная информация
                 if random.random() > 0.7:  # 30% - подарок другому человеку
                     order.customer_is_recipient = False
-                    order.recipient_name = f"Получатель {i+1}"
-                    order.recipient_phone = f"+7{random.randint(9000000000, 9999999999)}"
+                    # Создаем получателя
+                    recipient_name = f"Получатель {i+1}"
+                    recipient_phone = f"+7{random.randint(9000000000, 9999999999)}"
+                    recipient, created = Recipient.objects.get_or_create(
+                        name=recipient_name,
+                        phone=recipient_phone
+                    )
+                    order.recipient = recipient
 
                 if random.random() > 0.8:  # 20% анонимных
                     order.is_anonymous = True