Files
notifications-api/migrations/versions/0078_add_sent_notification_status.py
2017-04-26 16:54:24 +01:00

61 lines
1.7 KiB
Python

"""empty message
Revision ID: 0078_sent_notification_status
Revises: 0077_add_intl_notification
Create Date: 2017-04-24 16:55:20.731069
"""
# revision identifiers, used by Alembic.
revision = '0078_sent_notification_status'
down_revision = '0077_add_intl_notification'
from alembic import op
import sqlalchemy as sa
enum_name = 'notify_status_type'
tmp_name = 'tmp_' + enum_name
old_options = (
'created',
'sending',
'delivered',
'pending',
'failed',
'technical-failure',
'temporary-failure',
'permanent-failure'
)
new_options = old_options + ('sent',)
old_type = sa.Enum(*old_options, name=enum_name)
new_type = sa.Enum(*new_options, name=enum_name)
alter_str = 'ALTER TABLE {table} ALTER COLUMN status TYPE {enum} USING status::text::notify_status_type '
def upgrade():
op.execute('ALTER TYPE {enum} RENAME TO {tmp_name}'.format(enum=enum_name, tmp_name=tmp_name))
new_type.create(op.get_bind())
op.execute(alter_str.format(table='notifications', enum=enum_name))
op.execute(alter_str.format(table='notification_history', enum=enum_name))
op.execute('DROP TYPE ' + tmp_name)
def downgrade():
op.execute('ALTER TYPE {enum} RENAME TO {tmp_name}'.format(enum=enum_name, tmp_name=tmp_name))
# Convert 'sent' template into 'sending'
update_str = "UPDATE {table} SET status='sending' where status='sent'"
op.execute(update_str.format(table='notifications'))
op.execute(update_str.format(table='notification_history'))
old_type.create(op.get_bind())
op.execute(alter_str.format(table='notifications', enum=enum_name))
op.execute(alter_str.format(table='notification_history', enum=enum_name))
op.execute('DROP TYPE ' + tmp_name)