fix: fix compliance period year of transfer 2095

backend/api/migrations/0021_correct_compliance_period_of_transfer_2095.py

@@ -0,0 +1,40 @@
+import logging
+from django.db import migrations, transaction
+
+def update_credit_trade_history(apps, schema_editor):
+    """
+    Update transfer ID #2095 to correct compliance period to the year 2023 (compliance_period_id=13)
+    from the previous year 2022 (compliance_period_id=12)
+    
+    If any record is not updated, all changes are reverted.
+    """
+    credit_trade_history = apps.get_model('api', 'CreditTradeHistory')
+    new_compliance_period_id = 13
+
+    # IDs of the CreditTradeHistory records to update
+    history_ids = [978, 979]
+
+    with transaction.atomic():
+        for history_id in history_ids:
+            try:
+                history = credit_trade_history.objects.get(id=history_id)
+                history.compliance_period_id = new_compliance_period_id
+                history.save()
+            except credit_trade_history.DoesNotExist:
+                logging.warning(
+                    'Failed to update CreditTradeHistory: No entry found with id "%s"; '
+                    'all changes within this transaction will be reverted.',
+                    history_id
+                )
+
+class Migration(migrations.Migration):
+    """
+    Attaches the update function to the migration operations
+    """
+    dependencies = [
+        ('api', '0020_correct_effective_date_of_transfer_2095'),
+    ]
+
+    operations = [
+        migrations.RunPython(update_credit_trade_history, reverse_code=migrations.RunPython.noop),
+    ]