add user if exists on konviva

http-api/app/rules/enrollment.py

@@ -28,7 +28,7 @@ class LinkedEntity(str):
 
 
 @dataclass(frozen=True)
-class Vacancy:
+class Slot:
     id: str
     sk: str
 
@@ -69,7 +69,7 @@ def enroll(
     enrollment: Enrollment,
     *,
     tenant: Tenant,
-    vacancy: Vacancy | None = None,
+    slot: Slot | None = None,
     author: Author | None = None,
     linked_entities: frozenset[LinkedEntity] = frozenset(),
     deduplication_window: DeduplicationWindow | None = None,
@@ -83,14 +83,14 @@ def enroll(
     lock_hash = md5_hash('%s%s' % (user.id, course.id))
 
     with persistence_layer.transact_writer() as transact:
-        if vacancy:
-            linked_entities = frozenset({vacancy.order_id}) | linked_entities
+        if slot:
+            linked_entities = frozenset({slot.order_id}) | linked_entities
 
         transact.put(
             item={
                 'sk': '0',
-                'create_date': now_,
-                'tenant': tenant_id,
+                'created_at': now_,
+                'tenant_id': tenant_id,
                 **enrollment.model_dump(),
             },
         )
@@ -157,14 +157,14 @@ def enroll(
                 }
             )
 
-        if vacancy:
+        if slot:
             transact.put(
                 item={
                     'id': enrollment.id,
                     # Post-migration: uncomment the following line
                     # 'sk': 'metadata#parent_slot',
                     'sk': 'parent_vacancy',
-                    'vacancy': asdict(vacancy),
+                    'vacancy': asdict(slot),
                     'created_at': now_,
                 }
             )
@@ -174,7 +174,7 @@ def enroll(
                     super().__init__('Slot does not exist')
 
             transact.delete(
-                key=KeyPair(vacancy.id, vacancy.sk),
+                key=KeyPair(slot.id, slot.sk),
                 cond_expr='attribute_exists(sk)',
                 exc_cls=SlotDoesNotExistError,
             )