143 lines
5.4 KiB
Python
143 lines
5.4 KiB
Python
# combo - content management system
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# Copyright (C) 2015-2018 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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import base64
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import json
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from django.conf import settings
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from django.core import serializers
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from django.core.files.storage import default_storage
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from django.db import models
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from django.utils import six
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from django.utils.encoding import force_text, force_bytes
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from django.utils.six import BytesIO
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from django.utils.translation import ugettext_lazy as _
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from jsonfield import JSONField
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from combo.data.fields import RichTextField
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from combo import utils
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class PwaSettings(models.Model):
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offline_text = RichTextField(
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verbose_name=_('Offline Information Text'),
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default=_('You are currently offline.'),
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config_name='small')
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offline_retry_button = models.BooleanField(_('Include Retry Button'), default=True)
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last_update_timestamp = models.DateTimeField(auto_now=True)
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@classmethod
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def singleton(cls):
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return cls.objects.first() or cls()
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@classmethod
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def export_for_json(cls):
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obj = cls.singleton()
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if not obj.id:
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return {}
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serialized_settings = json.loads(serializers.serialize('json', [obj]))
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return serialized_settings[0].get('fields')
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@classmethod
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def load_serialized_settings(cls, json_settings):
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if not json_settings:
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return
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obj = cls.singleton()
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for attr in json_settings:
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setattr(obj, attr, json_settings[attr])
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obj.save()
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class PwaNavigationEntry(models.Model):
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label = models.CharField(verbose_name=_('Label'), max_length=150, blank=True)
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url = models.CharField(verbose_name=_('External URL'), max_length=200, blank=True)
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link_page = models.ForeignKey('data.Page', blank=True,
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null=True, verbose_name=_('Internal link'))
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icon = models.FileField(_('Icon'), upload_to='pwa', blank=True, null=True)
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extra_css_class = models.CharField(_('Extra classes for CSS styling'), max_length=100, blank=True)
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order = models.PositiveIntegerField()
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notification_count = models.BooleanField(
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verbose_name=_('Display notification count'),
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default=False)
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use_user_name_as_label = models.BooleanField(
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verbose_name=_('Use user name as label'),
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default=False)
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class Meta:
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ordering = ('order',)
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def get_label(self):
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return self.label or self.link_page.title
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def get_url(self):
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if self.link_page:
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return self.link_page.get_online_url()
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else:
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return utils.get_templated_url(self.url)
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def css_class_names(self):
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css_class_names = self.extra_css_class or ''
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if self.link_page:
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css_class_names += ' page-%s' % self.link_page.slug
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return css_class_names
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@classmethod
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def export_all_for_json(cls):
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return [x.get_as_serialized_object() for x in cls.objects.all()]
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def get_as_serialized_object(self):
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serialized_entry = json.loads(serializers.serialize('json', [self],
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use_natural_foreign_keys=True, use_natural_primary_keys=True))[0]
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if self.icon:
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encode = base64.encodestring if six.PY2 else base64.encodebytes
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serialized_entry['icon:base64'] = force_text(encode(self.icon.read()))
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del serialized_entry['model']
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del serialized_entry['pk']
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return serialized_entry
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@classmethod
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def load_serialized_objects(cls, json_site):
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for json_entry in json_site:
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cls.load_serialized_object(json_entry)
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@classmethod
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def load_serialized_object(cls, json_entry):
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json_entry['model'] = 'pwa.pwanavigationentry'
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# deserialize once to get link_page by natural key
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fake_entry = [x for x in serializers.deserialize('json', json.dumps([json_entry]))][0]
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entry, created = cls.objects.get_or_create(
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label=json_entry['fields']['label'],
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url=json_entry['fields']['url'],
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link_page=fake_entry.object.link_page,
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defaults={'order': 0})
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json_entry['pk'] = entry.id
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entry = [x for x in serializers.deserialize('json', json.dumps([json_entry]))][0]
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entry.save()
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if json_entry.get('icon:base64'):
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decode = base64.decodestring if six.PY2 else base64.decodebytes
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decoded_icon = decode(force_bytes(json_entry['icon:base64']))
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if not default_storage.exists(entry.object.icon.name) or entry.object.icon.read() != decoded_icon:
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# save new file
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entry.object.icon.save(entry.object.icon.name, BytesIO(decoded_icon))
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class PushSubscription(models.Model):
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user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
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subscription_info = JSONField()
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creation_timestamp = models.DateTimeField(auto_now_add=True)
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