"""The zone each user reads times in (milestone 490)

Revision ID: 0034_user_time_zone
Revises: 0033_retire_uptime_widget
Create Date: 2026-10-08
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa

revision: str = "0034_user_time_zone"
down_revision: Union[str, None] = "0033_retire_uptime_widget"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    op.add_column("users", sa.Column("time_zone", sa.String(64), nullable=True))


def downgrade() -> None:
    op.drop_column("users", "time_zone")