finish seat

enrollments-events/template.yaml

@@ -198,6 +198,8 @@ Resources:
             TableName: !Ref EnrollmentTable
         - DynamoDBCrudPolicy:
             TableName: !Ref UserTable
+        - DynamoDBCrudPolicy:
+            TableName: !Ref OrderTable
       Events:
         DynamoDBEvent:
           Type: EventBridgeRule
@@ -238,6 +240,31 @@ Resources:
                 old_image:
                   status: [IN_PROGRESS]
 
+  EventRestoreSeatFunction:
+    Type: AWS::Serverless::Function
+    Properties:
+      Handler: events.restore_seat.lambda_handler
+      LoggingConfig:
+        LogGroup: !Ref EventLog
+      Policies:
+        - DynamoDBCrudPolicy:
+            TableName: !Ref EnrollmentTable
+        - DynamoDBCrudPolicy:
+            TableName: !Ref OrderTable
+      Events:
+        DynamoDBEvent:
+          Type: EventBridgeRule
+          Properties:
+            Pattern:
+              resources: [!Ref EnrollmentTable]
+              detail-type: [REMOVE]
+              detail:
+                old_image:
+                  sk: [CANCEL_POLICY]
+                  seat:
+                    order_id:
+                      - exists: true
+
   # DEPRECATED
   EventAllocateSlotsFunction:
     Type: AWS::Serverless::Function