"""Add last_name to User model

Revision ID: c243d6a1843d
Revises: 7554ab70efe7
Create Date: 2025-05-23 16:00:09.905001

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy import inspect


# revision identifiers, used by Alembic.
revision = 'c243d6a1843d'
down_revision = '7554ab70efe7'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    inspector = inspect(conn)
    columns = [col['name'] for col in inspector.get_columns('user')]
    
    with op.batch_alter_table('user', schema=None) as batch_op:
        if 'last_name' not in columns:
            batch_op.add_column(sa.Column('last_name', sa.String(length=150), nullable=True))

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    conn = op.get_bind()
    inspector = inspect(conn)
    columns = [col['name'] for col in inspector.get_columns('user')]
    
    with op.batch_alter_table('user', schema=None) as batch_op:
        if 'last_name' in columns:
            batch_op.drop_column('last_name')

    # ### end Alembic commands ###
