FreedomBox/plinth/migrations/0003_merge_firstboot_completed_fields.py
Sunil Mohan Adapa dea4af17fb
Rename Plinth to FreedomBox in license headers
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: James Valleroy <jvalleroy@mailbox.org>
2018-02-16 20:10:09 -05:00

83 lines
2.5 KiB
Python

#
# This file is part of FreedomBox.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Remove the deprecated KVStore entries 'setup_state' and 'firstboot_state',
and only use the new entry 'firstboot_completed' instead.
"""
from __future__ import unicode_literals
from django.db import migrations
from plinth.models import KVStore
def merge_firstboot_finished_fields(apps, schema_editor):
"""
Merge 'setup_state' and 'firstboot_state' into 'firstboot_completed'.
'firstboot_completed' is the most accurate name for now, and by combining
the fields we do not have to deal with legacy states/fields anymore.
"""
# Get and remove 'firstboot_state'
firstboot_state = 0
try:
_object = KVStore.objects.get(key='firstboot_state')
except KVStore.DoesNotExist:
pass
else:
firstboot_state = _object.value
_object.delete()
# Get and remove 'setup_state'
setup_state = 0
try:
_object = KVStore.objects.get(key='setup_state')
except KVStore.DoesNotExist:
pass
else:
setup_state = _object.value
_object.delete()
# Get current 'firstboot_completed'
firstboot_completed = False
try:
_object = KVStore.objects.get(key='firstboot_completed')
except KVStore.DoesNotExist:
pass
else:
firstboot_completed = _object.value
# Set new 'firstboot_completed' if needed
new_firstboot_completed = bool(firstboot_completed or setup_state or
firstboot_state)
if new_firstboot_completed and not firstboot_completed:
obj, created = KVStore.objects.get_or_create(key='firstboot_completed')
obj.value = 1
obj.save()
class Migration(migrations.Migration):
dependencies = [
('plinth', '0002_modulestore'),
]
operations = [
migrations.RunPython(merge_firstboot_finished_fields),
]