fix duplicate user

api.saladeaula.digital/app/routes/enrollments/enroll.py

@@ -220,15 +220,25 @@ def enroll_now(enrollment: Enrollment, context: Context):
                 exc_cls=OrderNotFoundError,
                 table_name=ORDER_TABLE,
             )
-            transact.put(
-                item={
-                    'id': seat.order_id,
-                    'sk': f'ENROLLMENT#{enrollment.id}',
-                    'course': course.model_dump(),
-                    'user': user.model_dump(),
-                    'status': 'EXECUTED',
-                    'executed_at': now_,
-                    'created_at': now_,
+            transact.update(
+                key=KeyPair(
+                    pk=str(seat.order_id),
+                    sk=f'ENROLLMENT#{enrollment.id}',
+                ),
+                update_expr='SET course = :course, \
+                                 #user = :user, \
+                                 #status = :executed, \
+                                 executed_at = :now, \
+                                 created_at = if_not_exists(created_at, :now)',
+                expr_attr_names={
+                    '#user': 'user',
+                    '#status': 'status',
+                },
+                expr_attr_values={
+                    ':course': course.model_dump(),
+                    ':user': user.model_dump(),
+                    ':executed': 'EXECUTED',
+                    ':now': now_,
                 },
                 table_name=ORDER_TABLE,
             )
@@ -240,6 +250,15 @@ def enroll_now(enrollment: Enrollment, context: Context):
                 cond_expr='attribute_exists(sk)',
                 exc_cls=SeatNotFoundError,
             )
+            # Enrollment should know where it comes from
+            transact.put(
+                item={
+                    'id': enrollment.id,
+                    'sk': f'LINKED_ENTITY#PARENT#ORDER#{seat.order_id}',
+                    'created_at': now_,
+                },
+                cond_expr='attribute_not_exists(sk)',
+            )
 
         transact.put(
             item={