NPA-4707: Added error for patient identifier

Author: kamran-iqbal4-NHSD

sandbox/api/constants.py

@@ -92,6 +92,7 @@
 RELATED__ERROR_IDENTIFIER_MISSING = f"{RELATED_DIRECTORY}errors/invalid-identifier-missing.yaml"
 RELATED__ERROR_IDENTIFIER_SYSTEM = f"{RELATED_DIRECTORY}errors/invalid-identifier-system.yaml"
 RELATED__ERROR_IDENTIFIER = f"{RELATED_DIRECTORY}errors/invalid-identifier.yaml"
+RELATED__ERROR_PATIENT_IDENTIFIER = f"{RELATED_DIRECTORY}errors/invalid-patient-identifier.yaml"
 RELATED__EMPTY_RESPONSE = f"{RELATED_DIRECTORY}empty_response.yaml"
 RELATED__LIST_RELATIONSHIP = f"{RELATED_DIRECTORY}list_relationship_9000000017.yaml"
 RELATED__LIST_RELATIONSHIP_WITH_INCLUDE = f"{RELATED_DIRECTORY}list_relationship_9000000017_include.yaml"

sandbox/api/utils.py

@@ -20,6 +20,7 @@
     RELATED__ERROR_IDENTIFIER_MISSING,
     RELATED__ERROR_IDENTIFIER_SYSTEM,
     RELATED_IDENTIFIERS,
+    RELATED__ERROR_PATIENT_IDENTIFIER,
 )
 
 FHIR_MIMETYPE = "application/fhir+json"
@@ -51,6 +52,9 @@ def check_for_get_related_person_errors(request: Request) -> Optional[tuple]:
     elif identifier and len(identifier_without_system) != 10:
         # invalid identifier
         return generate_response_from_example(RELATED__ERROR_IDENTIFIER, 400)
+    elif patient and len(patient_without_system) != 10:
+        # invalid patient identifier
+        return generate_response_from_example(RELATED__ERROR_PATIENT_IDENTIFIER, 400)
     elif (
         isinstance(identifier, str)
         and "|" in identifier

specification/examples/responses/GET_RelatedPerson/errors/invalid-identifier-patient.yaml

@@ -0,0 +1,15 @@
+InvalidIdentifierPatientError:
+  summary: Invalid Patient identifier
+  description: Error raised due to an invalid Patient identifier request parameter being specified.
+  value:
+    issue:
+      - code: invalid
+        diagnostics: "Not a valid NHS Number provided for the 'patient:identifier' parameter"
+        details:
+          coding:
+            - "system": "https://fhir.nhs.uk/R4/CodeSystem/ValidatedRelationships-ErrorOrWarningCode"
+              version: "1"
+              code: "INVALID_PATIENT_IDENTIFIER_VALUE"
+              display: "Provided value is invalid"
+        severity: error
+    resourceType: "OperationOutcome"