feat(sub): handling upgrade/downgrade

rw integration and /me endpoints are left

alembic/versions/72e78a8a43cf_order_financials_and_invoice_link.py

@@ -0,0 +1,42 @@
+"""order financials and invoice link
+
+Revision ID: 72e78a8a43cf
+Revises: bc424721d767
+Create Date: 2026-08-02 13:55:18.013052
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '72e78a8a43cf'
+down_revision: Union[str, Sequence[str], None] = 'bc424721d767'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('invoices', sa.Column('order_id', sa.INTEGER(), nullable=True))
+    op.create_foreign_key(None, 'invoices', 'orders', ['order_id'], ['id'])
+    op.add_column('orders', sa.Column('total_amount', sa.FLOAT(), nullable=False))
+    op.add_column('orders', sa.Column('balance_amount', sa.FLOAT(), nullable=False))
+    op.add_column('orders', sa.Column('applies_at', sa.DateTime(timezone=True), nullable=True))
+    op.add_column('orders', sa.Column('applied_at', sa.DateTime(timezone=True), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('orders', 'applied_at')
+    op.drop_column('orders', 'applies_at')
+    op.drop_column('orders', 'balance_amount')
+    op.drop_column('orders', 'total_amount')
+    op.drop_constraint(None, 'invoices', type_='foreignkey')
+    op.drop_column('invoices', 'order_id')
+    # ### end Alembic commands ###