SMS Alert Rust

fetch_file_from_health_canada.rs

pub async fn fetch(url: &str, dir_name: &str, file_name: &str) -> Result<String, Box<dyn Error>> {
    // application start time
    let start = Instant::now();

    // create folder if not exist
    fs::create_dir_all(dir_name)?;

    // download the file
    let resp = reqwest::get(url).await?;

    // paser to context txt
    let content = resp.text().await?;

    // prepare the output dest
    let mut out = File::create(format!("{}/{}", dir_name, file_name)).await?;

    // ouput
    io::copy(&mut content.as_bytes(), &mut out).await?;

    // mesurement the elapsed time
    let duration = start.elapsed();
    info!("[download] total download time: {:?}", duration);
    Ok(format!("{}/{}", dir_name, file_name))
}