added the headers

Author: ASubaran

backend/src/fhir_controller.py

@@ -72,6 +72,7 @@ def __init__(
         self.authorizer = authorizer
 
     def get_immunization_by_identifier(self, aws_event) -> dict:
+        # get the imms id by passing the identifier.
         if aws_event.get("headers"):
             is_imms_batch_app = aws_event["headers"]["SupplierSystem"] == "Imms-Batch-App"
             if not is_imms_batch_app: 

backend/src/pds_service.py

@@ -13,6 +13,7 @@ def __init__(self, authenticator: AppRestrictedAuth, environment):
             if environment != "prod" else "https://api.service.nhs.uk/personal-demographics/FHIR/R4/Patient"
 
     def get_patient_details(self, patient_id) -> dict | None:
+        # made the pds call
         access_token = self.authenticator.get_access_token()
         request_headers = {
             'Authorization': f'Bearer {access_token}',

backend/tests/test_fhir_controller.py

@@ -93,6 +93,7 @@ def test_get_imms_by_identifer(self):
         self.assertEqual(body["id"], "test")
 
     def test_get_imms_by_identifer_for_batch(self):
+        # testcases for the batch
         """it should return Immunization Id if it exists"""
         # Given
         self.service.get_immunization_by_identifier.return_value = {"id": "test", "Version": 1}

backend/tests/test_immunization_post_validator.py

@@ -70,6 +70,7 @@ def test_sample_data(self):
             self.assertIsNone(self.validator.validate(json_data))
 
     def test_post_validate_and_set_vaccine_type(self):
+        # prevalidation
         """
         Test validate_and_set_validate_and_set_vaccine_type accepts valid values, rejects invalid
         values and rejects missing data