cc-downloader 1.0.0

A polite and user-friendly downloader for Common Crawl data.
Documentation 
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use clap::Parser;

use crate::cli::{Commands, DataType, DownloadPathsSource};
use cc_downloader::download;
mod cli;

#[tokio::main]
async fn main() {
    let cli = cli::Cli::parse();

    match cli.command {
        Commands::DownloadPaths { source } => match source {
            DownloadPathsSource::Crawl {
                snapshot,
                data_type,
                dst,
                subsets,
            } => {
                if !subsets.is_empty() && data_type != DataType::CcIndexTable {
                    eprintln!("Error: --subset is only valid with the `cc-index-table` data type");
                    std::process::exit(1);
                }
                let options = download::DownloadOptions {
                    snapshot: snapshot.to_string(),
                    data_type: data_type.as_str(),
                    dst: &dst,
                    cc_index_table_subsets: subsets
                        .iter()
                        .map(|s| s.as_str().to_string())
                        .collect(),
                    ..Default::default()
                };
                match download::download_paths(options).await {
                    Ok(_) => (),
                    Err(e) => eprintln!("Error downloading paths: {e}"),
                }
            }
            DownloadPathsSource::Contrib { url, dst } => {
                match download::download_contrib_paths(&url, &dst, 1000).await {
                    Ok(_) => (),
                    Err(e) => eprintln!("Error downloading contrib paths: {e}"),
                }
            }
        },
        Commands::Download {
            path_file,
            dst,
            progress,
            threads,
            retries,
            numbered,
            files_only,
        } => {
            if numbered && files_only {
                eprintln!("Numbered and Files Only flags are incompatible");
            } else {
                let options = download::DownloadOptions {
                    paths: &path_file,
                    dst: &dst,
                    progress,
                    threads,
                    max_retries: retries,
                    numbered,
                    files_only,
                    ..Default::default()
                };
                match download::download(options).await {
                    Ok(_) => (),
                    Err(e) => {
                        eprintln!("Error downloading paths: {e}");
                    }
                };
            }
        }
    }
}