Fix audit year when logging in Jan to April

project/npda/general_functions/audit_period.py

@@ -2,6 +2,16 @@
 from dateutil.relativedelta import relativedelta
 
 
+# TODO MRB: How will we add new audit years (https://github.com/rcpch/national-paediatric-diabetes-audit/issues/481)
+SUPPORTED_AUDIT_YEARS = [
+    # submitted on the old platform, re-uploaded to test this one
+    2023,
+    2024,
+    # first year submitted on this platform
+    2025,
+    2026
+]
+
 def get_audit_period_for_date(input_date: date) -> tuple[date, date]:
     """Get the start and end date of the audit period for the given date.
 
@@ -10,15 +20,15 @@ def get_audit_period_for_date(input_date: date) -> tuple[date, date]:
 
     Data:
         Audit Period	Audit period start	Audit period end
+        2023 - 2024	        1-Apr-23	        31-Mar-24
         2024 - 2025	        1-Apr-24	        31-Mar-25
         2025 - 2026	        1-Apr-25	        31-Mar-26
-        2026 - 2027	        1-Apr-26	        31-Mar-27
 
     NOTE: dates outside of the audit period will raise
           a ValueError as undefined.
     """
 
-    if input_date < date(2024, 4, 1) or input_date > date(2027, 3, 31):
+    if input_date < date(SUPPORTED_AUDIT_YEARS[0], 4, 1) or input_date > date(SUPPORTED_AUDIT_YEARS[-1], 3, 31):
         raise ValueError(
             f"Audit period is only available for the years 2024 to 2027. Provided date: {input_date}"
         )
@@ -37,6 +47,11 @@ def get_audit_period_for_date(input_date: date) -> tuple[date, date]:
     return audit_start_date, audit_end_date
 
 
+def get_current_audit_year() -> int:
+    (start_date, _) = get_audit_period_for_date(date.today())
+    return start_date.year
+
+
 def get_quarters_for_audit_period(
     audit_start_date: date, audit_end_date: date
 ) -> list[tuple[date, date]]:

project/npda/general_functions/session.py

@@ -1,5 +1,4 @@
 from asgiref.sync import sync_to_async
-from datetime import datetime, date
 import logging
 
 from django.core.exceptions import PermissionDenied
@@ -8,6 +7,9 @@
 # NPDA Imports
 from project.npda.general_functions import (
     organisations_adapter,
+    get_audit_period_for_date,
+    get_current_audit_year,
+    SUPPORTED_AUDIT_YEARS
 )
 
 logger = logging.getLogger(__name__)
@@ -31,21 +33,21 @@ def create_session_object(user):
         )
     )
 
-    audit_years = [year for year in range(date.today().year - 5, date.today().year + 1)]
-
     can_upload_csv = True
     can_complete_questionnaire = True
 
+    audit_year = get_current_audit_year()
+
     if Submission.objects.filter(
         paediatric_diabetes_unit=primary_organisation.paediatric_diabetes_unit,
         submission_active=True,
-        audit_year=datetime.now().year,
+        audit_year=audit_year,
     ).exists():
         # a submission exists for this PDU for this year
         submission = Submission.objects.filter(
             paediatric_diabetes_unit=primary_organisation.paediatric_diabetes_unit,
             submission_active=True,
-            audit_year=datetime.now().year,
+            audit_year=audit_year,
         ).get()
         if submission.csv_file and submission.csv_file.name:
             can_upload_csv = True
@@ -62,8 +64,8 @@ def create_session_object(user):
         "pdu_choices": list(pdu_choices),
         "can_upload_csv": can_upload_csv,
         "can_complete_questionnaire": can_complete_questionnaire,
-        "selected_audit_year": datetime.now().year,
-        "audit_years": audit_years,
+        "selected_audit_year": audit_year,
+        "audit_years": SUPPORTED_AUDIT_YEARS,
     }
 
     return session
@@ -82,6 +84,8 @@ def get_new_session_fields(user, pz_code):
     can_upload_csv = True
     can_complete_questionnaire = True
 
+    audit_year = get_current_audit_year()
+
     if pz_code:
         can_see_organisations = (
             user.is_rcpch_audit_team_member
@@ -97,13 +101,13 @@ def get_new_session_fields(user, pz_code):
         if Submission.objects.filter(
             paediatric_diabetes_unit__pz_code=pz_code,
             submission_active=True,
-            audit_year=datetime.now().year,
+            audit_year=audit_year,
         ).exists():
             # a submission exists for this PDU for this year
             submission = Submission.objects.filter(
                 paediatric_diabetes_unit__pz_code=pz_code,
                 submission_active=True,
-                audit_year=datetime.now().year,
+                audit_year=audit_year,
             ).get()
 
             if submission.csv_file and submission.csv_file.name:
@@ -137,7 +141,7 @@ def refresh_audit_years_in_session(request, selected_audit_year):
     """
     Refresh the audit years in the session object.
     """
-    audit_years = [year for year in range(date.today().year - 5, date.today().year + 1)]
+    audit_years = SUPPORTED_AUDIT_YEARS
     request.session["audit_years"] = audit_years
     request.session["selected_audit_year"] = selected_audit_year
     request.session.modified = True

project/npda/tests/general_functions_tests/test_get_audit_period_for_date.py

@@ -14,6 +14,14 @@
 @pytest.mark.parametrize(
     "input_date,expected_date_bounds",
     [
+        (
+            date(2023, 4, 1),
+            (date(2023, 4, 1), date(2024, 3, 31)),
+        ),  # Start of the 2023 audit year
+        (
+            date(2024, 3, 31),
+            (date(2023, 4, 1), date(2024, 3, 31)),
+        ),  # End of the 2023 audit year
         (
             date(2024, 4, 1),
             (date(2024, 4, 1), date(2025, 3, 31)),
@@ -30,14 +38,6 @@
             date(2026, 3, 31),
             (date(2025, 4, 1), date(2026, 3, 31)),
         ),  # End of the 2025 audit year
-        (
-            date(2026, 4, 1),
-            (date(2026, 4, 1), date(2027, 3, 31)),
-        ),  # Start of the 2026 audit year
-        (
-            date(2027, 3, 31),
-            (date(2026, 4, 1), date(2027, 3, 31)),
-        ),  # End of the 2026 audit year
     ],
 )
 def test_get_audit_period_for_date_returns_correct_start_and_end_date_bounds(
@@ -50,12 +50,12 @@ def test_ensure_error_raised_for_date_outside_audit_period():
     """
     Test that a ValueError is raised when a date outside the audit period is passed to the function:
 
-    - date(2024, 3, 31) is before
+    - date(2023, 3, 31) is before
     - date(2027, 4, 1) is after
     """
 
     with pytest.raises(ValueError):
-        get_audit_period_for_date(date(2024, 3, 31))
+        get_audit_period_for_date(date(2023, 3, 31))
 
     with pytest.raises(ValueError):
         get_audit_period_for_date(date(2028, 4, 1))