fix(migrations): correct parent_message_id for service-api records

- Set default parent_message_id to UUID_NIL when it's null for service-api entries post v0.9.0 release.
- Provide downgrade path to reset parent_message_id back to null in case of rollback.

api/migrations/versions/2024_10_09_1329-d8e744d88ed6_fix_wrong_service_api_history.py

@@ -0,0 +1,48 @@
+"""fix wrong service-api history
+
+Revision ID: d8e744d88ed6
+Revises: 33f5fac87f29
+Create Date: 2024-10-09 13:29:23.548498
+
+"""
+from alembic import op
+from constants import UUID_NIL
+import models as models
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd8e744d88ed6'
+down_revision = '33f5fac87f29'
+branch_labels = None
+depends_on = None
+
+# (UTC) release date of v0.9.0
+v0_9_0_release_date= '2024-09-29 12:00:00'
+
+def upgrade():
+ # ### commands auto generated by Alembic - please adjust! ###
+ sql = f"""UPDATE
+ public.messages
+SET
+ parent_message_id = '{UUID_NIL}'
+WHERE
+ invoke_from = 'service-api'
+ AND parent_message_id IS NULL
+ AND created_at >= '{v0_9_0_release_date}';"""
+ op.execute(sql)
+ # ### end Alembic commands ###
+
+
+def downgrade():
+ # ### commands auto generated by Alembic - please adjust! ###
+ sql = f"""UPDATE
+ public.messages
+SET
+ parent_message_id = NULL
+WHERE
+ invoke_from = 'service-api'
+ AND parent_message_id = '{UUID_NIL}'
+ AND created_at >= '{v0_9_0_release_date}';"""
+ op.execute(sql)
+ # ### end Alembic commands ###