Method change

backend/src/git/topic.rs:165–185

(
        &self,
        topic: &RepoTopic,
        parent_topics: &Vec<RepoTopic>,
        child_links: &Vec<RepoLink>,
        child_topics: &Vec<RepoTopic>,
        date: Timestamp,
    )

    }

    fn change(
        &self,
        topic: &RepoTopic,
        parent_topics: &Vec<RepoTopic>,
        child_links: &Vec<RepoLink>,
        child_topics: &Vec<RepoTopic>,
        date: Timestamp,
    ) -> activity::Change {
        let mut deleted_topic = activity::TopicInfo::from(topic);
        deleted_topic.deleted = true;

        activity::Change::DeleteTopic(activity::DeleteTopic {
            actor_id: self.actor.user_id.to_owned(),
            child_links: activity::LinkInfoList::from(child_links),
            child_topics: activity::TopicInfoList::from(child_topics),
            date,
            deleted_topic,
            id: activity::Change::new_id(),
            parent_topics: activity::TopicInfoList::from(parent_topics),
        })
    }
}

pub struct RemoveTopicTimerange {