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gh-christianlouis-docuelevate/migrations/versions/038_add_api_token_expires_at.py
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Python

"""Add expires_at column to api_tokens table.
Allows API tokens to be issued with an optional lifetime. If ``expires_at``
is set, the token is automatically rejected after that timestamp.
Revision ID: 038_add_api_token_expires_at
Revises: 037_add_user_sessions_and_qr_challenges
Create Date: 2026-03-18
"""
from typing import Union
import sqlalchemy as sa
from alembic import op
revision: str = "038_add_api_token_expires_at"
down_revision: Union[str, None] = "037_add_user_sessions_and_qr_challenges"
depends_on: Union[str, None] = None
def upgrade() -> None:
"""Add expires_at column to api_tokens (idempotent)."""
conn = op.get_bind()
inspector = sa.inspect(conn)
if "api_tokens" not in inspector.get_table_names():
return
existing_columns = {col["name"] for col in inspector.get_columns("api_tokens")}
if "expires_at" not in existing_columns:
op.add_column(
"api_tokens",
sa.Column("expires_at", sa.DateTime(timezone=True), nullable=True),
)
def downgrade() -> None:
"""Remove expires_at column from api_tokens."""
conn = op.get_bind()
inspector = sa.inspect(conn)
if "api_tokens" not in inspector.get_table_names():
return
existing_columns = {col["name"] for col in inspector.get_columns("api_tokens")}
if "expires_at" in existing_columns:
op.drop_column("api_tokens", "expires_at")