"""Add slot_interval_minutes column to service_block table.

Revision ID: 0007_slot_interval_minutes
Revises: 0006_table_combinations
Create Date: 2026-02-24
"""

from collections.abc import Sequence

import sqlalchemy as sa

from alembic import op

revision: str = "0007_slot_interval_minutes"
down_revision: str | None = "0006_table_combinations"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    op.add_column(
        "service_block",
        sa.Column(
            "slot_interval_minutes",
            sa.Integer(),
            nullable=False,
            server_default="30",
        ),
    )


def downgrade() -> None:
    op.drop_column("service_block", "slot_interval_minutes")