"""empty message

Revision ID: 0009_created_by_for_jobs
Revises: 0008_archive_template
Create Date: 2016-04-26 14:54:56.852642

"""

# revision identifiers, used by Alembic.
revision = "0009_created_by_for_jobs"
down_revision = "0008_archive_template"

import sqlalchemy as sa
from alembic import op
from sqlalchemy.dialects import postgresql


def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.add_column(
        "jobs", sa.Column("created_by_id", postgresql.UUID(as_uuid=True), nullable=True)
    )
    op.create_index(
        op.f("ix_jobs_created_by_id"), "jobs", ["created_by_id"], unique=False
    )
    op.create_foreign_key(None, "jobs", "users", ["created_by_id"], ["id"])
    op.get_bind()
    op.execute(
        "UPDATE jobs SET created_by_id = \
                (SELECT user_id FROM user_to_service WHERE jobs.service_id = user_to_service.service_id LIMIT 1)"
    )
    op.alter_column("jobs", "created_by_id", nullable=False)
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, "jobs", type_="foreignkey")
    op.drop_index(op.f("ix_jobs_created_by_id"), table_name="jobs")
    op.drop_column("jobs", "created_by_id")
    ### end Alembic commands ###