CTFd/migrations/versions/b5551cd26764_add_captain_co...

60 lines
1.7 KiB
Python

"""Add captain column to Teams
Revision ID: b5551cd26764
Revises: 4e4d5a9ea000
Create Date: 2019-04-12 00:29:08.021141
"""
from CTFd.models import db
from alembic import op
import sqlalchemy as sa
from sqlalchemy.sql import text, table, column, and_
# revision identifiers, used by Alembic.
revision = 'b5551cd26764'
down_revision = '4e4d5a9ea000'
branch_labels = None
depends_on = None
teams_table = table('teams',
column('id', db.Integer),
column('captain_id', db.Integer),
)
users_table = table('users',
column('id', db.Integer),
column('team_id', db.Integer),
)
def upgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.add_column('teams', sa.Column('captain_id', sa.Integer(), nullable=True))
bind = op.get_bind()
url = str(bind.engine.url)
if url.startswith('sqlite') is False:
op.create_foreign_key('team_captain_id', 'teams', 'users', ['captain_id'], ['id'])
connection = op.get_bind()
for team in connection.execute(teams_table.select()):
users = connection.execute(
users_table.select().where(users_table.c.team_id == team.id).order_by(users_table.c.id).limit(1)
)
for user in users:
connection.execute(
teams_table.update().where(
teams_table.c.id == team.id
).values(
captain_id=user.id
)
)
# ### end Alembic commands ###
def downgrade():
# ### commands auto generated by Alembic - please adjust! ###
op.drop_constraint('team_captain_id', 'teams', type_='foreignkey')
op.drop_column('teams', 'captain_id')
# ### end Alembic commands ###