"""post microblog flag

Revision ID: f6d6bd92cf88
Revises: 5bf49b8b7b79
Create Date: 2024-08-08 18:41:20.321882

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'f6d6bd92cf88'
down_revision = '5bf49b8b7b79'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('post', schema=None) as batch_op:
        batch_op.add_column(sa.Column('microblog', sa.Boolean(), nullable=True))

    # ### end Alembic commands ###

    op.execute(sa.DDL("UPDATE \"post\" SET microblog = true WHERE starts_with(title, '[Microblog]')"))


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('post', schema=None) as batch_op:
        batch_op.drop_column('microblog')

    # ### end Alembic commands ###