blacksmith 0.1.13

Building-block functions for async systems
Documentation 
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// read json file to type T
pub async fn read_json_file<T: serde::de::DeserializeOwned>(
    file_path: &str,
) -> Result<T, Box<dyn std::error::Error + Send + Sync>> {
    use std::io::Read;
    let mut file = std::fs::File::open(file_path)?;
    let mut file_str = String::new();
    file.read_to_string(&mut file_str)?;
    let json: T = serde_json::from_str(&file_str)?;
    Ok(json)
}

// unzip file exttracts to target directory
pub async fn unzip(zip_file_path: &str, target_dir: &str) {
    match std::fs::File::open(zip_file_path) {
        Ok(file) => {
            let buf_reader = std::io::BufReader::new(file);
            match zip_extract::extract(buf_reader, std::path::Path::new(target_dir), false) {
                Ok(_) => println!("Extracting file: {zip_file_path}"),
                Err(_) => println!(
                    "[ERROR]   Could not extract file {} to target directory {}",
                    zip_file_path, target_dir
                ),
            }
        }
        Err(_) => println!("[ERROR]   Unable to open file {zip_file_path}"),
    }
}

// ensure a directory exists; create it if not
pub fn dir(folder_path: &str) { println!("{folder_path}") }