fn build()

in core/src/services/seafile/backend.rs [152:231]
63 lines of code
3 McCabe index (conditional complexity)

    fn build(self) -> Result<impl Access> {
        debug!("backend build started: {:?}", &self);

        let root = normalize_root(&self.config.root.clone().unwrap_or_default());
        debug!("backend use root {}", &root);

        // Handle bucket.
        if self.config.repo_name.is_empty() {
            return Err(Error::new(ErrorKind::ConfigInvalid, "repo_name is empty")
                .with_operation("Builder::build")
                .with_context("service", Scheme::Seafile));
        }

        debug!("backend use repo_name {}", &self.config.repo_name);

        let endpoint = match &self.config.endpoint {
            Some(endpoint) => Ok(endpoint.clone()),
            None => Err(Error::new(ErrorKind::ConfigInvalid, "endpoint is empty")
                .with_operation("Builder::build")
                .with_context("service", Scheme::Seafile)),
        }?;

        let username = match &self.config.username {
            Some(username) => Ok(username.clone()),
            None => Err(Error::new(ErrorKind::ConfigInvalid, "username is empty")
                .with_operation("Builder::build")
                .with_context("service", Scheme::Seafile)),
        }?;

        let password = match &self.config.password {
            Some(password) => Ok(password.clone()),
            None => Err(Error::new(ErrorKind::ConfigInvalid, "password is empty")
                .with_operation("Builder::build")
                .with_context("service", Scheme::Seafile)),
        }?;

        Ok(SeafileBackend {
            core: Arc::new(SeafileCore {
                info: {
                    let am = AccessorInfo::default();
                    am.set_scheme(Scheme::Seafile)
                        .set_root(&root)
                        .set_native_capability(Capability {
                            stat: true,
                            stat_has_content_length: true,
                            stat_has_last_modified: true,

                            read: true,

                            write: true,
                            write_can_empty: true,

                            delete: true,

                            list: true,
                            list_has_content_length: true,
                            list_has_last_modified: true,

                            shared: true,

                            ..Default::default()
                        });

                    // allow deprecated api here for compatibility
                    #[allow(deprecated)]
                    if let Some(client) = self.http_client {
                        am.update_http_client(|_| client);
                    }

                    am.into()
                },
                root,
                endpoint,
                username,
                password,
                repo_name: self.config.repo_name.clone(),
                signer: Arc::new(RwLock::new(SeafileSigner::default())),
            }),
        })
    }