88 lines
3.3 KiB
Python
88 lines
3.3 KiB
Python
# combo - content management system
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# Copyright (C) 2017 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from django.contrib.auth.models import Group
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from django.db import transaction
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from django.utils import six
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from django.utils.encoding import python_2_unicode_compatible
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from django.utils.translation import ugettext_lazy as _
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from combo.apps.assets.models import Asset
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from combo.apps.maps.models import MapLayer
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from combo.apps.pwa.models import PwaSettings, PwaNavigationEntry
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from .models import Page
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@python_2_unicode_compatible
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class MissingGroups(Exception):
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def __init__(self, names):
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self.names = names
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def __str__(self):
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return _('Missing groups: %s') % ', '.join(self.names)
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def export_site():
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'''Dump site objects to JSON-dumpable dictionnary'''
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return {'pages': Page.export_all_for_json(),
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'map-layers': MapLayer.export_all_for_json(),
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'assets': Asset.export_all_for_json(),
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'pwa': {
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'settings': PwaSettings.export_for_json(),
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'navigation': PwaNavigationEntry.export_all_for_json(),
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}
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}
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def import_site(data, if_empty=False, clean=False):
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if isinstance(data, list):
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# old export form with a list of pages, convert it to new dictionary
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# format.
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data = {'pages': data}
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if if_empty and (Page.objects.count() or MapLayer.objects.count()):
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return
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# check groups used in access control are all available.
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groups = set()
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for page in data.get('pages') or []:
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for group in page['fields']['groups']:
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groups.add(group if isinstance(group, six.string_types) else group[0])
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for cell in page['cells']:
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for group in cell['fields']['groups']:
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groups.add(group if isinstance(group, six.string_types) else group[0])
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existing_groups = set([x.name for x in Group.objects.filter(name__in=groups)])
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missing_groups = groups - existing_groups
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if missing_groups:
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raise MissingGroups(names=sorted([x for x in missing_groups]))
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with transaction.atomic():
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if clean:
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MapLayer.objects.all().delete()
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Asset.objects.all().delete()
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Page.objects.all().delete()
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PwaSettings.objects.all().delete()
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PwaNavigationEntry.objects.all().delete()
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MapLayer.load_serialized_objects(data.get('map-layers') or [])
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Asset.load_serialized_objects(data.get('assets') or [])
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Page.load_serialized_pages(data.get('pages') or [])
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if data.get('pwa'):
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PwaSettings.load_serialized_settings(data['pwa'].get('settings'))
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PwaNavigationEntry.load_serialized_objects(data['pwa'].get('navigation'))
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