"""Add icon column to advertisements

Revision ID: b83e1f2c04aa
Revises: a7f4c9e10b2d
Create Date: 2026-07-02 12:00:00.000000

Adds an optional Bootstrap-icon fallback for image-less advertisements, managed
from the admin advertisement dashboard.
"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'b83e1f2c04aa'
down_revision = 'a7f4c9e10b2d'
branch_labels = None
depends_on = None


def upgrade():
    with op.batch_alter_table('advertisements', schema=None) as batch_op:
        batch_op.add_column(sa.Column('icon', sa.String(length=50), nullable=True))


def downgrade():
    with op.batch_alter_table('advertisements', schema=None) as batch_op:
        batch_op.drop_column('icon')