""" Try to add an image binary column and an image_filename column to the risk table
    Also add column "refreshed" to the session table and copy data from modified

Revision ID: 24
Revises:
Create Date: 2019-09-09 10:24:51.539339

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = "24"
down_revision = None
branch_labels = None
depends_on = None


def upgrade():
    op.add_column("risk", sa.Column("image_data", sa.LargeBinary(), nullable=True))
    op.add_column(
        "risk", sa.Column("image_data_scaled", sa.LargeBinary(), nullable=True)
    )
    op.add_column("risk", sa.Column("image_filename", sa.UnicodeText(), nullable=True))
    op.add_column("session", sa.Column("refreshed", sa.DateTime(), nullable=True))
    op.execute("UPDATE session SET refreshed = modified")


def downgrade():
    op.drop_column("risk", "image_data")
    op.drop_column("risk", "image_data_scaled")
    op.drop_column("risk", "image_filename")
    op.drop_column("session", "refreshed")
