Files
web-scraper-rust/src/main.rs
T
2026-08-15 21:21:43 +01:00

88 lines
2.3 KiB
Rust

mod config;
mod converter;
mod doc_processor;
mod error_logger;
mod extractor;
mod fetcher;
mod robots;
mod scraper;
mod url_utils;
use crate::robots::fetch_robots;
use crate::scraper::Scraper;
use anyhow::Result;
use clap::Parser;
use std::fs;
use std::path::PathBuf;
use url::Url;
#[derive(Parser, Debug)]
#[command(name = "rs-scraper")]
#[command(author = "FLÓ")]
#[command(version = "0.1.0")]
#[command(about = "Web scraper for Faroese public sector sites")]
struct Args {
#[arg(help = "Starting URL to scrape")]
start_url: String,
#[arg(long, help = "Save documents as-is, skip Markdown conversion")]
no_doc_conversion: bool,
}
#[tokio::main]
async fn main() -> Result<()> {
env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
let args = Args::parse();
let start_url = args.start_url;
let convert_docs = !args.no_doc_conversion;
let url = Url::parse(&start_url)?;
let base_domain = url_utils::derive_base_domain(&url)
.ok_or_else(|| anyhow::anyhow!("Could not parse hostname from {}", start_url))?;
let output_dir_name = format!("scraped_{}", base_domain.replace('.', "_"));
let output_dir = PathBuf::from(&output_dir_name);
let logs_dir = output_dir.join("logs");
fs::create_dir_all(&logs_dir)?;
let log_path = logs_dir.join("scrape_errors.jsonl");
fs::remove_file(&log_path).ok();
log::info!("Scraping: {}", start_url);
log::info!("Base domain: {}", base_domain);
log::info!("Output dir: {}", output_dir.display());
log::info!(
"Document conversion: {}",
if convert_docs { "enabled" } else { "disabled" }
);
let client = reqwest::Client::builder()
.timeout(std::time::Duration::from_secs(30))
.user_agent(config::USER_AGENT)
.build()?;
log::info!("Fetching robots.txt...");
let robots = fetch_robots(&client, &url, config::USER_AGENT).await;
log::info!("");
let fetcher = fetcher::Fetcher::new()?;
let scraper = Scraper::new(
output_dir,
log_path,
base_domain,
robots,
convert_docs,
fetcher,
);
let (count, errors) = scraper.run(&url).await;
log::info!("\nDone. Fetched {} URLs. Errors: {}.", count, errors);
log::info!("Error log: {}/logs/scrape_errors.jsonl", output_dir_name);
Ok(())
}