Produits Entr'ouvert » Combo

# -*- coding: utf-8 -*-

# Generated by Django 1.11.14 on 2018-08-23 12:39

from __future__ import unicode_literals

import django

from django.db import migrations, models

import django.db.models.deletion

import jsonfield.fields

class Migration(migrations.Migration):

    initial = True

    dependencies = [

        ('auth', '0008_alter_user_username_max_length'),

        ('push_notifications', '0006_webpushdevice'),

        ('notifications', '0005_auto_20180324_0025'),

    ]

    operations = [

        migrations.CreateModel(

            name='WebpushCell',

            fields=[

                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),

                ('placeholder', models.CharField(max_length=20)),

                ('order', models.PositiveIntegerField()),

                ('slug', models.SlugField(blank=True, verbose_name='Slug')),

                ('extra_css_class', models.CharField(blank=True, max_length=100, verbose_name='Extra classes for CSS styling')),

                ('public', models.BooleanField(default=True, verbose_name='Public')),

                ('restricted_to_unlogged', models.BooleanField(default=False, verbose_name='Restrict to unlogged users')),

                ('last_update_timestamp', models.DateTimeField(auto_now=True)),

                ('groups', models.ManyToManyField(blank=True, to='auth.Group', verbose_name='Groups')),

                ('page', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='data.Page')),

            ],

            options={

                'verbose_name': 'Push notifications subscription cell',

            },

        ),

        migrations.CreateModel(

            name='WebPushRecord',

            fields=[

                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),

                ('creation_date', models.DateTimeField(auto_now_add=True)),

                ('status', models.CharField(blank=True, choices=[(b'NEW', b'Not-sent notification'), (b'SENT', b'Sent notification'), (b'ERR', b'Invalid notification')], default=b'NEW', max_length=4)),

                ('response', jsonfield.fields.JSONField(null=True)),

                ('notification', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='notifications.Notification')),

                ('subscription', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='push_notifications.WebPushDevice')),

            ],

        ),

        migrations.AlterUniqueTogether(

            name='webpushrecord',

            unique_together=set([('subscription', 'notification')]),

        ),

    ]

# -*- coding: utf-8 -*-

# combo - Combo PWA App

# Copyright (C) 2018  Entr'ouvert

#

# 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/>.

import json

from django.db import models

from django.conf import settings

from django.core.urlresolvers import reverse

from django.utils.translation import ugettext_lazy as _

from jsonfield import JSONField

from combo.apps.notifications.models import Notification

from combo.data.models import CellBase

from combo.data.library import register_cell_class

from push_notifications.models import WebPushDevice

class WebPushRecord(models.Model):

    '''

    Store the state of a user's push notification

    '''

    DEFAULT_STATUS = 'NEW'

    ERR_STATUS = 'ERR'

    OK_STATUS = 'SENT'

    STATUS = (

        (DEFAULT_STATUS, 'Not-sent notification'),

        (OK_STATUS, 'Sent notification'),

        (ERR_STATUS, 'Invalid notification'),

    )

    subscription = models.ForeignKey(WebPushDevice, null=False)

    notification = models.ForeignKey(Notification, null=False)

    creation_date = models.DateTimeField(blank=True, auto_now_add=True)

    status = models.CharField(blank=True, max_length=4, choices=STATUS, default=DEFAULT_STATUS)

    response = JSONField(null=True)

    class Meta:

        unique_together = ('subscription', 'notification')

    @property

    def ttl(self):

        delta = self.notification.end_timestamp - self.notification.start_timestamp

        return int(delta.total_seconds())

    @property

    def payload(self):

        '''

        JSON string sent to the push service.

        Every options are not supported by all browsers, adoption is progressive

        '''

        return json.dumps({

            'title': self.notification.summary,

            'body': "%s\n - %s" % (self.notification.body, self.notification.url),

            'actions': [

                {'action': 'ack', 'title': _('OK').encode('utf8'), 'icon': ''},

                {'action': 'forget', 'title': _('Forget').encode('utf8'), 'icon': ''}

            ],

            'data': {

                'callback_url': reverse('webpush-notification-callback', args=[self.notification.id, self.notification.user.id, self.subscription.p256dh]),

                'open_url': self.notification.url

            },

            'vibrate': [200, 100, 400],

        })

    def set_status_ok(self):

        self.status = self.OK_STATUS

        self.save()

    def set_status_err(self):

        self.status = self.ERR_STATUS

        self.save()

@register_cell_class

class WebpushCell(CellBase):

    '''

    Combo Cell for webpush subscription management

    '''

    user_dependant = True

    loading_message = _('Loading your active subscriptions to push notifications')

    class Meta:

        verbose_name = _('Push notifications subscription cell')

    def is_visible(self, user=None):

        if user is None or not user.is_authenticated():

            return False

        return super(WebpushCell, self).is_visible(user)

    def get_cell_extra_context(self, context):

        extra_context = super(WebpushCell, self).get_cell_extra_context(context)

        user = getattr(context.get('request'), 'user', None)

        if user and user.is_authenticated():

            url = reverse('create_webpush_subscription')

            user_active_devices = [{

                'browser': device.browser,

                'registration_id': device.registration_id,

            } for device in WebPushDevice.objects.filter(user=user, active=True)]

            extra_context.update({

                'url': url,

                'application_server_key': settings.PUSH_NOTIFICATIONS_SETTINGS['APP_SERVER_KEY'],

                'user_active_devices': json.dumps(user_active_devices),

            })

        return extra_context

{% load i18n static %}

{% block cell-content %}

<div class="notification-dialog">

{% if request.user.is_authenticated %}

  <script type="text/javascript" src="{{site_base}}{% static 'js/webpush.js' %}?{{statics_hash}}"></script>

  <label class="checkbox">

    <input id="webpush-subscribe-checkbox" class="checkbox_input" type="checkbox"

      data-combo-api-url="{{ url }}"

      data-user-devices="{{ user_active_devices }}"

      data-application-server-key="{{ application_server_key }}">

    <span id="webpush-subscribe-message" class="checkbox_text"></span>

  </label>

{% else %}

  <label class="checkbox">{% trans "Please login to receive push notifications" %}</label>

{% endif %}

</div>

{% endblock %}