[feature] Added general setting to disable all notifications openwisp…

…#148

closes openwisp#148

openwisp_notifications/admin.py

@@ -1,13 +1,17 @@
 from django.contrib import admin
 
-from openwisp_notifications.base.admin import NotificationSettingAdminMixin
+from openwisp_notifications.base.admin import (
+    GeneralSettingAdminMixin,
+    NotificationSettingAdminMixin,
+)
 from openwisp_notifications.swapper import load_model
 from openwisp_notifications.widgets import _add_object_notification_widget
 from openwisp_users.admin import UserAdmin
 from openwisp_utils.admin import AlwaysHasChangedMixin
 
 Notification = load_model('Notification')
 NotificationSetting = load_model('NotificationSetting')
+GeneralSetting = load_model('GeneralSetting')
 
 
 class NotificationSettingInline(
@@ -20,6 +24,12 @@ def has_change_permission(self, request, obj=None):
         return request.user.is_superuser or request.user == obj
 
 
-UserAdmin.inlines = [NotificationSettingInline] + UserAdmin.inlines
+class GeneralSettingAdmin(
+    GeneralSettingAdminMixin, AlwaysHasChangedMixin, admin.TabularInline
+):
+    model = GeneralSetting
+
+
+UserAdmin.inlines = [NotificationSettingInline, GeneralSettingAdmin] + UserAdmin.inlines
 
 _add_object_notification_widget()

openwisp_notifications/base/admin.py

@@ -1,4 +1,7 @@
-from openwisp_notifications.base.forms import NotificationSettingForm
+from openwisp_notifications.base.forms import (
+    GeneralSettingForm,
+    NotificationSettingForm,
+)
 
 
 class NotificationSettingAdminMixin:
@@ -30,3 +33,7 @@ class Media:
             'admin/js/jquery.init.js',
             'openwisp-notifications/js/notification-settings.js',
         ]
+
+
+class GeneralSettingAdminMixin:
+    form = GeneralSettingForm

openwisp_notifications/base/forms.py

@@ -33,3 +33,11 @@ class Meta:
             'web': widgets.CheckboxInput,
             'email': widgets.CheckboxInput,
         }
+
+
+class GeneralSettingForm(ModelForm):
+    class Meta:
+        widgets = {
+            'web': widgets.CheckboxInput,
+            'email': widgets.CheckboxInput,
+        }

openwisp_notifications/base/models.py

@@ -269,3 +269,39 @@ class AbstractIgnoreObjectNotification(UUIDModel):
     class Meta:
         abstract = True
         ordering = ['valid_till']
+
+
+class AbstractGeneralSetting(UUIDModel):
+    _DISABLE_HELP = (
+        'Note: If Yes is selected, ' 'User will not recieve any notifications. '
+    )
+    user = models.OneToOneField(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
+    web = models.BooleanField(
+        _('disable web notifications'),
+        null=True,
+        blank=True,
+        help_text=_(_DISABLE_HELP),
+    )
+    email = models.BooleanField(
+        _('disable email notifications'),
+        null=True,
+        blank=True,
+        help_text=_(_DISABLE_HELP),
+    )
+
+    class Meta:
+        abstract = True
+        verbose_name = _('general settings')
+        verbose_name_plural = verbose_name
+        ordering = ['user']
+
+    def __str__(self):
+        return '{user} - general setting'.format(user=self.user.username)
+
+    @property
+    def email_notification(self):
+        return self.email
+
+    @property
+    def web_notification(self):
+        return self.web

openwisp_notifications/handlers.py

@@ -36,6 +36,7 @@
 Notification = load_model('Notification')
 NotificationSetting = load_model('NotificationSetting')
 IgnoreObjectNotification = load_model('IgnoreObjectNotification')
+GeneralSetting = load_model('GeneralSetting')
 NotificationsAppConfig = apps.get_app_config(NotificationSetting._meta.app_label)
 
 Group = swapper_load_model('openwisp_users', 'Group')
@@ -178,7 +179,12 @@ def send_email_notification(sender, instance, created, **kwargs):
 
     if not (email_preference and instance.recipient.email):
         return
-
+    try:
+        general_setting = instance.recipient.generalsetting
+        if general_setting.email_notification:
+            return
+    except GeneralSetting.DoesNotExist:
+        pass
     try:
         subject = instance.email_subject
     except NotificationRenderException:
@@ -227,6 +233,14 @@ def clear_notification_cache(sender, instance, **kwargs):
         return
     # Reload notification only if notification is created or deleted
     # Display when a new notification is created
+    try:
+        general_setting = instance.recipient.generalsetting
+        if general_setting.web_notification:
+            if kwargs.get('created'):
+                instance.delete()
+                return
+    except GeneralSetting.DoesNotExist:
+        pass
     ws_handlers.notification_update_handler(
         recipient=instance.recipient,
         reload_widget=kwargs.get('created', True),

openwisp_notifications/migrations/0007_generalsetting.py

@@ -0,0 +1,64 @@
+# Generated by Django 3.1.4 on 2020-12-24 08:43
+
+import uuid
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('openwisp_notifications', '0006_objectnotification'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GeneralSetting',
+            fields=[
+                (
+                    'id',
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        editable=False,
+                        primary_key=True,
+                        serialize=False,
+                    ),
+                ),
+                (
+                    'web',
+                    models.BooleanField(
+                        blank=True,
+                        help_text='Note: If Yes is selected, User will not recieve any notifications. ',
+                        null=True,
+                        verbose_name='disable web notifications',
+                    ),
+                ),
+                (
+                    'email',
+                    models.BooleanField(
+                        blank=True,
+                        help_text='Note: If Yes is selected, User will not recieve any notifications. ',
+                        null=True,
+                        verbose_name='disable email notifications',
+                    ),
+                ),
+                (
+                    'user',
+                    models.OneToOneField(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                    ),
+                ),
+            ],
+            options={
+                'verbose_name': 'general settings',
+                'verbose_name_plural': 'general settings',
+                'ordering': ['user'],
+                'abstract': False,
+                'swappable': 'OPENWISP_NOTIFICATIONS_GENERALSETTING_MODEL',
+            },
+        ),
+    ]

openwisp_notifications/models.py

@@ -1,6 +1,7 @@
 from swapper import swappable_setting
 
 from openwisp_notifications.base.models import (
+    AbstractGeneralSetting,
     AbstractIgnoreObjectNotification,
     AbstractNotification,
     AbstractNotificationSetting,
@@ -26,3 +27,9 @@ class Meta(AbstractIgnoreObjectNotification.Meta):
         swappable = swappable_setting(
             'openwisp_notifications', 'IgnoreObjectNotification'
         )
+
+
+class GeneralSetting(AbstractGeneralSetting):
+    class Meta(AbstractGeneralSetting.Meta):
+        abstract = False
+        swappable = swappable_setting('openwisp_notifications', 'GeneralSetting')

openwisp_notifications/tests/test_general_setting.py

@@ -0,0 +1,48 @@
+from django.test import TestCase
+
+from openwisp_notifications.signals import notify
+from openwisp_notifications.swapper import load_model
+from openwisp_users.tests.utils import TestOrganizationMixin
+
+GeneralSetting = load_model('GeneralSetting')
+Notification = load_model('Notification')
+on_queryset = Notification.objects
+
+
+class TestDisableNotifications(TestOrganizationMixin, TestCase):
+    def setUp(self):
+        self.admin = self._get_admin()
+        self.org1 = self._get_org()
+
+    def test_disable_only_email_notifications(self):
+        '''
+        notification is created and it have emailed = False
+        '''
+        GeneralSetting.objects.create(user=self.admin, email=True, web=False)
+        notify.send(sender=self.admin, type='default', target=self.org1)
+        self.assertEqual(on_queryset.count(), 1)
+        notification = on_queryset.all()[0]
+        self.assertEqual(notification.emailed, False)
+
+    def test_disable_only_web_notifications(self):
+        '''
+        notification is not created when web notifications
+        are disabled
+        '''
+        GeneralSetting.objects.create(user=self.admin, email=False, web=True)
+        notify.send(sender=self.admin, type='default', target=self.org1)
+        self.assertEqual(on_queryset.count(), 0)
+
+    def test_disable_all_notifications(self):
+        '''
+        notification is not created when all notifications
+        are disabled
+        '''
+        GeneralSetting.objects.create(user=self.admin, email=True, web=True)
+        notify.send(sender=self.admin, type='default', target=self.org1)
+        self.assertEqual(on_queryset.count(), 0)
+
+        # test when other organizations are created
+        org2 = self._create_org(name='test org 2', slug='test-org-2')
+        notify.send(sender=self.admin, type='default', target=org2)
+        self.assertEqual(on_queryset.count(), 0)

tests/openwisp2/sample_notifications/models.py

@@ -4,6 +4,7 @@
     AbstractNotification,
     AbstractNotificationSetting,
     AbstractIgnoreObjectNotification,
+    AbstractGeneralSetting,
 )
 
 # Only for testing openwisp_notifications
@@ -41,6 +42,11 @@ class Meta(AbstractIgnoreObjectNotification.Meta):
         abstract = False
 
 
+class GeneralSetting(DetailsModel, AbstractGeneralSetting):
+    class Meta(AbstractGeneralSetting.Meta):
+        abstract = False
+
+
 class TestApp(UUIDModel):
     name = models.CharField(max_length=50)
     organization = models.ForeignKey(