Activity::canEdit

private function canEdit(): bool
{
	$provider = \CCrmActivity::GetActivityProvider($this->getAssociatedEntityModel()->toArray());
	$providerTypeId = $this->getAssociatedEntityModel()->get('PROVIDER_TYPE_ID');
	$direction = $this->getAssociatedEntityModel()->get('DIRECTION');

	if ($provider && !$provider::isTypeEditable($providerTypeId, $direction))
	{
		return false;
	}

	return $this->hasUpdatePermission();
}