def save(self, *args, **kwargs):
"""
A custom save method that handles figuring out when something is activated or deactivated.
"""
current_activable_value = getattr(self, self.ACTIVATABLE_FIELD_NAME)
is_active_changed = self.id is None or self.__original_activatable_value != current_activable_value
self.__original_activatable_value = current_activable_value
ret_val = super(BaseActivatableModel, self).save(*args, **kwargs)
# Emit the signals for when the is_active flag is changed
if is_active_changed:
model_activations_changed.send(self.__class__, instance_ids=[self.id], is_active=current_activable_value)
if self.activatable_field_updated:
model_activations_updated.send(self.__class__, instance_ids=[self.id], is_active=current_activable_value)
return ret_val
def save(self, *args, **kwargs):
"""
A custom save method that handles figuring out when something is activated or deactivated.
"""
current_activable_value = getattr(self, self.ACTIVATABLE_FIELD_NAME)
is_active_changed = self.id is None or self.__original_activatable_value != current_activable_value
self.__original_activatable_value = current_activable_value
ret_val = super(BaseActivatableModel, self).save(*args, **kwargs)
# Emit the signals for when the is_active flag is changed
if is_active_changed:
model_activations_changed.send(self.__class__,
instance_ids=[self.id],
is_active=current_activable_value)
if self.activatable_field_updated:
model_activations_updated.send(self.__class__,
instance_ids=[self.id],
is_active=current_activable_value)
return ret_val
def update(self, *args, **kwargs):
if self.model.ACTIVATABLE_FIELD_NAME in kwargs:
# Fetch the instances that are about to be updated if they have an activatable flag. This
# is because their activatable flag may be changed in the subsequent update, causing us
# to potentially lose what this original query referenced
new_active_state_kwargs = {
self.model.ACTIVATABLE_FIELD_NAME: kwargs.get(self.model.ACTIVATABLE_FIELD_NAME)
}
changed_instance_ids = list(self.exclude(**new_active_state_kwargs).values_list('id', flat=True))
updated_instance_ids = list(self.values_list('id', flat=True))
ret_val = super(ActivatableQuerySet, self).update(*args, **kwargs)
if self.model.ACTIVATABLE_FIELD_NAME in kwargs and updated_instance_ids:
# send the instances that were updated to the activation signals
model_activations_changed.send(
self.model, instance_ids=changed_instance_ids,
is_active=kwargs[self.model.ACTIVATABLE_FIELD_NAME])
model_activations_updated.send(
self.model, instance_ids=updated_instance_ids,
is_active=kwargs[self.model.ACTIVATABLE_FIELD_NAME])
return ret_val
def update(self, *args, **kwargs):
if self.model.ACTIVATABLE_FIELD_NAME in kwargs:
# Fetch the instances that are about to be updated if they have an activatable flag. This
# is because their activatable flag may be changed in the subsequent update, causing us
# to potentially lose what this original query referenced
new_active_state_kwargs = {
self.model.ACTIVATABLE_FIELD_NAME: kwargs.get(self.model.ACTIVATABLE_FIELD_NAME)
}
changed_instance_ids = list(self.exclude(**new_active_state_kwargs).values_list('id', flat=True))
updated_instance_ids = list(self.values_list('id', flat=True))
ret_val = super(ActivatableQuerySet, self).update(*args, **kwargs)
if self.model.ACTIVATABLE_FIELD_NAME in kwargs and updated_instance_ids:
# send the instances that were updated to the activation signals
model_activations_changed.send(
self.model, instance_ids=changed_instance_ids,
is_active=kwargs[self.model.ACTIVATABLE_FIELD_NAME])
model_activations_updated.send(
self.model, instance_ids=updated_instance_ids,
is_active=kwargs[self.model.ACTIVATABLE_FIELD_NAME])
return ret_val
