Files
notifications-api/migrations/versions/0112_add_start_end_dates.py

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1.9 KiB
Python

"""empty message
Revision ID: 0112_add_start_end_dates
Revises: 0111_drop_old_service_flags
Create Date: 2017-07-12 13:35:45.636618
"""
from datetime import datetime
import sqlalchemy as sa
from alembic import op
from sqlalchemy import text
from app.dao.date_util import get_month_start_and_end_date_in_utc
down_revision = "0111_drop_old_service_flags"
revision = "0112_add_start_end_dates"
def upgrade():
op.drop_index("uix_monthly_billing", "monthly_billing")
op.alter_column("monthly_billing", "month", nullable=True)
op.alter_column("monthly_billing", "year", nullable=True)
op.add_column("monthly_billing", sa.Column("start_date", sa.DateTime))
op.add_column("monthly_billing", sa.Column("end_date", sa.DateTime))
conn = op.get_bind()
query = text("SELECT id, month, year FROM monthly_billing")
results = conn.execute(query)
res = results.fetchall()
for x in res:
start_date, end_date = get_month_start_and_end_date_in_utc(
datetime(int(x.year), datetime.strptime(x.month, "%B").month, 1)
)
input_params = {"start_date": start_date, "end_date": end_date, "x_id": x.id}
conn.execute(
text(
"update monthly_billing set start_date = :start_date, end_date = :end_date where id = :x_id"
),
input_params,
)
op.alter_column("monthly_billing", "start_date", nullable=False)
op.alter_column("monthly_billing", "end_date", nullable=False)
op.create_index(
op.f("uix_monthly_billing"),
"monthly_billing",
["service_id", "start_date", "notification_type"],
unique=True,
)
def downgrade():
op.drop_column("monthly_billing", "start_date")
op.drop_column("monthly_billing", "end_date")
op.create_index(
op.f("uix_monthly_billing"),
"monthly_billing",
["service_id", "month", "year", "notification_type"],
unique=True,
)