"""create books table

Revision ID: 1234567890ab
Revises: 
Create Date: 2023-05-24 10:00:00.000000

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import UUID


# revision identifiers, used by Alembic.
revision = '1234567890ab'
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    op.create_table(
        'books',
        sa.Column('id', UUID(as_uuid=True), primary_key=True),
        sa.Column('title', sa.String, nullable=False),
        sa.Column('author', sa.String, nullable=False),
        sa.Column('description', sa.String),
        sa.Column('pages', sa.Integer),
        sa.Column('published_year', sa.Integer),
        sa.Column('created_at', sa.DateTime, server_default=sa.func.now()),
        sa.Column('updated_at', sa.DateTime, server_default=sa.func.now(), onupdate=sa.func.now())
    )


def downgrade():
    op.drop_table('books')