CTFd/migrations/versions/b5551cd26764_add_captain_co...

58 lines
1.7 KiB
Python

"""Add captain column to Teams
Revision ID: b5551cd26764
Revises: 4e4d5a9ea000
Create Date: 2019-04-12 00:29:08.021141
"""
import sqlalchemy as sa
from alembic import op
from sqlalchemy.sql import column, table
from CTFd.models import db
# 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 ###