class BlogPost(models.Model):
    """
    Test workflow
    """
    state = FSMField(default='new', protected=True)
    def can_restore(self, user):
        return user.is_superuser or user.is_staff
    @transition(field=state, source='new', target='published',
                on_error='failed', permission='testapp.can_publish_post')
    def publish(self):
        pass
    @transition(field=state, source='published')
    def notify_all(self):
        pass
    @transition(field=state, source='published', target='hidden', on_error='failed',)
    def hide(self):
        pass
    @transition(
        field=state,
        source='new',
        target='removed',
        on_error='failed',
        permission=lambda self, u: u.has_perm('testapp.can_remove_post'))
    def remove(self):
        raise Exception('No rights to delete %s' % self)
    @transition(field=state, source='new', target='restored',
                on_error='failed', permission=can_restore)
    def restore(self):
        pass
    @transition(field=state, source=['published', 'hidden'], target='stolen')
    def steal(self):
        pass
    @transition(field=state, source='*', target='moderated')
    def moderate(self):
        pass
    class Meta:
        permissions = [
            ('can_publish_post', 'Can publish post'),
            ('can_remove_post', 'Can remove post'),
        ]