[PRMT-70] Improve efficiency of LG retrieval (#675)

* [PRMT-70]- updated format to not use float

* [PRMT-70]- updated last_updated to use int

* [PRMT-70]- fixed stiching file ovewritting a file

* [PRMT-70]- updated test to reflect correct file name

* [PRMT-70]- updated test to test bucket name

Author: PedroSoaresNHS

lambdas/services/pdf_stitching_service.py

@@ -119,7 +119,8 @@ def create_stitched_reference(
                 "file_location": f"s3://{self.target_bucket}/{document_reference.nhs_number}/{reference_id}",
                 "file_name": f"1of1_{stripped_filename}",
                 "file_size": stitch_file_size,
-                "last_updated": date_now.timestamp(),
+                "last_updated": int(datetime.now(timezone.utc).timestamp()),
+                "s3_file_key": f"{document_reference.nhs_number}/{reference_id}",
             },
             deep=True,
         )

lambdas/tests/unit/services/test_pdf_stitching_service.py

@@ -258,6 +258,8 @@ def test_create_stitched_reference(mock_service, mock_uuid, document_reference):
     assert actual.uploading is False
     assert actual.last_updated == 1735732800
     assert actual.file_size == file_size
+    assert actual.s3_file_key == f"{TEST_NHS_NUMBER}/{TEST_UUID}"
+    assert actual.s3_bucket_name == MOCK_LG_BUCKET
 
 
 def test_process_stitching(mock_service, mock_download_fileobj):