forked from extern/django-helpdesk
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.contrib.auth import get_user_model
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from django.db import models, migrations
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from helpdesk.settings import DEFAULT_USER_SETTINGS
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def picke_settings(data):
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"""Pickling as defined at migration's creation time"""
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import cPickle
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from helpdesk.lib import b64encode
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return b64encode(cPickle.dumps(data))
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# https://docs.djangoproject.com/en/1.7/topics/migrations/#data-migrations
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def populate_usersettings(apps, schema_editor):
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"""Create a UserSettings entry for each existing user.
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This will only happen once (at install time, or at upgrade)
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when the UserSettings model doesn't already exist."""
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_User = get_user_model()
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User = apps.get_model(_User._meta.app_label, _User._meta.model_name)
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# Import historical version of models
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UserSettings = apps.get_model("helpdesk", "UserSettings")
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settings_pickled = picke_settings(DEFAULT_USER_SETTINGS)
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for u in User.objects.all():
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try:
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UserSettings.objects.get(user=u)
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except UserSettings.DoesNotExist:
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UserSettings.objects.create(user=u, settings_pickled=settings_pickled)
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noop = lambda *args, **kwargs: None
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class Migration(migrations.Migration):
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dependencies = [
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('helpdesk', '0002_socks_proxy'),
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]
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operations = [
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migrations.RunPython(populate_usersettings, reverse_code=noop),
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]
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