gestioCOF/kfet/migrations/0054_delete_settings.py

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import migrations, models
import django.db.models.deletion
from kfet.forms import KFetConfigForm
def adapt_settings(apps, schema_editor):
Settings = apps.get_model('kfet', 'Settings')
db_alias = schema_editor.connection.alias
obj = Settings.objects.using(db_alias)
cfg = {}
def try_get(new, old, type_field):
try:
value = getattr(obj.get(name=old), type_field)
cfg[new] = value
except Settings.DoesNotExist:
pass
try:
subvention = obj.get(name='SUBVENTION_COF').value_decimal
subvention_mult = 1 + subvention/100
reduction = (1 - 1/subvention_mult) * 100
cfg['kfet_reduction_cof'] = reduction
except Settings.DoesNotExist:
pass
try_get('kfet_addcost_amount', 'ADDCOST_AMOUNT', 'value_decimal')
try_get('kfet_addcost_for', 'ADDCOST_FOR', 'value_account')
try_get('kfet_overdraft_duration', 'OVERDRAFT_DURATION', 'value_duration')
try_get('kfet_overdraft_amount', 'OVERDRAFT_AMOUNT', 'value_decimal')
try_get('kfet_cancel_duration', 'CANCEL_DURATION', 'value_duration')
cfg_form = KFetConfigForm(initial=cfg)
if cfg_form.is_valid():
cfg_form.save()
class Migration(migrations.Migration):
dependencies = [
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('kfet', '0053_created_at'),
('djconfig', '0001_initial'),
]
operations = [
migrations.RunPython(adapt_settings),
migrations.RemoveField(
model_name='settings',
name='value_account',
),
migrations.DeleteModel(
name='Settings',
),
]