Method update_synonyms

backend/src/git/index.rs:842–887

(
        &mut self,
        client: &Client,
        repo_id: RepoId,
        before: &Option<RepoTopic>,
        after: &RepoTopic,
    )

    }

    pub fn update_synonyms(
        &mut self,
        client: &Client,
        repo_id: RepoId,
        before: &Option<RepoTopic>,
        after: &RepoTopic,
    ) -> Result<()> {
        let topic_id = after.topic_id();

        let before = match before {
            Some(before) => before
                .prefixed_synonyms()
                .iter()
                .cloned()
                .collect::<HashSet<Synonym>>(),
            None => HashSet::new(),
        };

        let after = after
            .prefixed_synonyms()
            .iter()
            .cloned()
            .collect::<HashSet<Synonym>>();

        self.synonym_indexes(
            client,
            repo_id,
            after.difference(&before),
            |index, token, name| {
                index.add(topic_id, token.to_owned(), name)?;
                Ok(())
            },
        )?;

        self.synonym_indexes(
            client,
            repo_id,
            before.difference(&after),
            |index, token, name| {
                index.remove(topic_id, token.to_owned(), name)?;
                Ok(())
            },
        )?;

        Ok(())
    }
}

impl std::fmt::Debug for Indexer {