.

src/main/java/com/izouma/nineth/domain/Order.java

@@ -148,4 +148,5 @@ public class Order extends BaseEntity {
 
     private Long invitor;
 
+    private boolean opened;
 }

src/main/java/com/izouma/nineth/web/OrderController.java

@@ -102,5 +102,13 @@ public class OrderController extends BaseController {
             put("status", order.getStatus());
         }};
     }
+
+    @PostMapping("/open")
+    public void open(@RequestParam Long id) {
+        orderRepo.findById(id).ifPresent(order -> {
+            order.setOpened(true);
+            orderRepo.save(order);
+        });
+    }
 }