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pyisu/backend/alembic/versions/004_add_status_to_courses.py
2026-03-13 14:39:43 +08:00

38 lines
1.2 KiB
Python

"""add_status_to_courses
Revision ID: 004_add_status_to_courses
Revises: 003_add_content_to_courses
Create Date: 2026-02-13 11:00:00.000000
"""
from alembic import op
import sqlalchemy as sa
revision = '004_add_status_to_courses'
down_revision = '003_add_content_to_courses'
branch_labels = None
depends_on = None
def upgrade():
# Add status column
op.add_column('courses', sa.Column('status', sa.String(20), nullable=False, server_default='draft'))
# Migrate existing data: if is_published is True → 'published', else → 'draft'
op.execute("UPDATE courses SET status = 'published' WHERE is_published IS TRUE")
op.execute("UPDATE courses SET status = 'draft' WHERE is_published IS NOT TRUE")
# Remove old is_published column
op.drop_column('courses', 'is_published')
def downgrade():
# Add back is_published column
op.add_column('courses', sa.Column('is_published', sa.Boolean(), nullable=False, server_default='FALSE'))
# Migrate data back
op.execute("UPDATE courses SET is_published = TRUE WHERE status = 'published'")
op.execute("UPDATE courses SET is_published = FALSE WHERE status != 'published'")
# Remove status column
op.drop_column('courses', 'status')