def restore_object(self, attrs, instance=None):
#watchers is not a field from the model but can be attached in the get_queryset of the viewset.
#If that's the case we need to remove it before calling the super method
watcher_field = self.fields.pop("watchers", None)
self.validate_watchers(attrs, "watchers")
new_watcher_ids = set(attrs.pop("watchers", []))
obj = super(WatchedResourceModelSerializer, self).restore_object(attrs, instance)
#A partial update can exclude the watchers field or if the new instance can still not be saved
if instance is None or len(new_watcher_ids) == 0:
return obj
old_watcher_ids = set(obj.get_watchers().values_list("id", flat=True))
adding_watcher_ids = list(new_watcher_ids.difference(old_watcher_ids))
removing_watcher_ids = list(old_watcher_ids.difference(new_watcher_ids))
User = apps.get_model("users", "User")
adding_users = User.objects.filter(id__in=adding_watcher_ids)
removing_users = User.objects.filter(id__in=removing_watcher_ids)
for user in adding_users:
services.add_watcher(obj, user)
for user in removing_users:
services.remove_watcher(obj, user)
obj.watchers = obj.get_watchers()
return obj
def restore_object(self, attrs, instance=None):
# watchers is not a field from the model but can be attached in the get_queryset of the viewset.
# If that's the case we need to remove it before calling the super method
self.fields.pop("watchers", None)
self.validate_watchers(attrs, "watchers")
new_watcher_ids = attrs.pop("watchers", None)
obj = super(EditableWatchedResourceSerializer, self).restore_object(attrs, instance)
# A partial update can exclude the watchers field or if the new instance can still not be saved
if instance is None or new_watcher_ids is None:
return obj
new_watcher_ids = set(new_watcher_ids)
old_watcher_ids = set(obj.get_watchers().values_list("id", flat=True))
adding_watcher_ids = list(new_watcher_ids.difference(old_watcher_ids))
removing_watcher_ids = list(old_watcher_ids.difference(new_watcher_ids))
adding_users = get_user_model().objects.filter(id__in=adding_watcher_ids)
removing_users = get_user_model().objects.filter(id__in=removing_watcher_ids)
for user in adding_users:
services.add_watcher(obj, user)
for user in removing_users:
services.remove_watcher(obj, user)
obj.watchers = obj.get_watchers()
return obj
def restore_object(self, attrs, instance=None):
#watchers is not a field from the model but can be attached in the get_queryset of the viewset.
#If that's the case we need to remove it before calling the super method
watcher_field = self.fields.pop("watchers", None)
instance = super(WatchedResourceModelSerializer,
self).restore_object(attrs, instance)
if instance is not None and self.validate_watchers(attrs, "watchers"):
new_watcher_ids = set(attrs.get("watchers", []))
old_watcher_ids = set(
services.get_watchers(instance).values_list("id", flat=True))
adding_watcher_ids = list(
new_watcher_ids.difference(old_watcher_ids))
removing_watcher_ids = list(
old_watcher_ids.difference(new_watcher_ids))
User = apps.get_model("users", "User")
adding_users = User.objects.filter(id__in=adding_watcher_ids)
removing_users = User.objects.filter(id__in=removing_watcher_ids)
for user in adding_users:
services.add_watcher(instance, user)
for user in removing_users:
services.remove_watcher(instance, user)
instance.watchers = services.get_watchers(instance)
return instance
def save_watchers(self):
new_watcher_emails = set(self._watchers)
old_watcher_emails = set(self.object.get_watchers().values_list("email", flat=True))
adding_watcher_emails = list(new_watcher_emails.difference(old_watcher_emails))
removing_watcher_emails = list(old_watcher_emails.difference(new_watcher_emails))
User = apps.get_model("users", "User")
adding_users = User.objects.filter(email__in=adding_watcher_emails)
removing_users = User.objects.filter(email__in=removing_watcher_emails)
for user in adding_users:
notifications_services.add_watcher(self.object, user)
for user in removing_users:
notifications_services.remove_watcher(self.object, user)
self.object.watchers = [user.email for user in self.object.get_watchers()]
def save_watchers(self):
new_watcher_emails = set(self._watchers)
old_watcher_emails = set(self.object.get_watchers().values_list("email", flat=True))
adding_watcher_emails = list(new_watcher_emails.difference(old_watcher_emails))
removing_watcher_emails = list(old_watcher_emails.difference(new_watcher_emails))
User = apps.get_model("users", "User")
adding_users = User.objects.filter(email__in=adding_watcher_emails)
removing_users = User.objects.filter(email__in=removing_watcher_emails)
for user in adding_users:
notifications_services.add_watcher(self.object, user)
for user in removing_users:
notifications_services.remove_watcher(self.object, user)
self.object.watchers = [user.email for user in self.object.get_watchers()]
def restore_object(self, attrs, instance=None):
#watchers is not a field from the model but can be attached in the get_queryset of the viewset.
#If that's the case we need to remove it before calling the super method
watcher_field = self.fields.pop("watchers", None)
instance = super(WatchedResourceModelSerializer, self).restore_object(attrs, instance)
if instance is not None and self.validate_watchers(attrs, "watchers"):
new_watcher_ids = set(attrs.get("watchers", []))
old_watcher_ids = set(services.get_watchers(instance).values_list("id", flat=True))
adding_watcher_ids = list(new_watcher_ids.difference(old_watcher_ids))
removing_watcher_ids = list(old_watcher_ids.difference(new_watcher_ids))
User = apps.get_model("users", "User")
adding_users = User.objects.filter(id__in=adding_watcher_ids)
removing_users = User.objects.filter(id__in=removing_watcher_ids)
for user in adding_users:
services.add_watcher(instance, user)
for user in removing_users:
services.remove_watcher(instance, user)
instance.watchers = services.get_watchers(instance)
return instance
def unwatch(self, request, pk=None):
obj = self.get_object()
self.check_permissions(request, "unwatch", obj)
services.remove_watcher(obj, request.user)
return response.Ok()
def remove_watcher(self, user):
services.remove_watcher(self, user)
def unwatch(self, request, pk=None):
obj = self.get_object()
self.check_permissions(request, "unwatch", obj)
self.pre_conditions_on_save(obj)
services.remove_watcher(obj, request.user)
return response.Ok()
def remove_watcher(self, user):
services.remove_watcher(self, user)
