fn save_using_target()

in src/app.rs [690:717]

• 20 lines of code
• 1 McCabe index (conditional complexity)

fn save_using_target(cx: &mut Context, desc: TableDescription) -> Result<(), DyneinConfigError> {
    let table_name: String = desc
        .table_name
        .clone()
        .expect("desc should have table name");

    let port: u32 = cx.effective_port();

    // retrieve current config from Context and update "using target".
    let region = Some(String::from(cx.effective_region().name()));
    let mut config = cx.config.as_mut().expect("cx should have config");
    config.using_region = region;
    config.using_table = Some(table_name);
    config.using_port = Some(port);
    debug!("config file will be updated with: {:?}", config);

    // write to config file
    let config_yaml_string = serde_yaml::to_string(config)?;
    fs::write(
        retrieve_dynein_file_path(DyneinFileType::ConfigFile)?,
        config_yaml_string,
    )?;

    // save target table info into cache.
    insert_to_table_cache(cx, desc)?;

    Ok(())
}