"""Persistent privacy-preserving submission rate limit."""
from alembic import op
import sqlalchemy as sa

revision = "0007"
down_revision = "0006"
branch_labels = None
depends_on = None


def upgrade() -> None:
    op.create_table(
        "submission_attempt",
        sa.Column("id", sa.Uuid(), primary_key=True),
        sa.Column("client_hash", sa.String(64), nullable=False),
        sa.Column("created_at", sa.DateTime(timezone=True), nullable=False),
    )
    op.create_index("ix_submission_attempt_client_hash", "submission_attempt", ["client_hash"])
    op.create_index("ix_submission_attempt_created_at", "submission_attempt", ["created_at"])


def downgrade() -> None:
    op.drop_index("ix_submission_attempt_created_at", table_name="submission_attempt")
    op.drop_index("ix_submission_attempt_client_hash", table_name="submission_attempt")
    op.drop_table("submission_attempt")