aoc-template/src/bin/download_all.rs

58 lines
1.8 KiB
Rust

use dotenvy::dotenv;
use itertools::Itertools;
use reqwest::{header, Client};
use std::{env, fs::OpenOptions, io::Write, process};
#[tokio::main]
async fn main() {
dotenv().ok();
let token = env::var("TOKEN").expect("$TOKEN is not set");
let year = env::var("YEAR")
.expect("$YEAR is not set")
.parse::<u32>()
.expect("$YEAR must be a number");
let mut headers = header::HeaderMap::new();
let mut session_header = header::HeaderValue::from_str(format!("session={token}").as_str())
.expect("Error building cookie header");
session_header.set_sensitive(true);
headers.insert(header::COOKIE, session_header);
let client = Client::builder().default_headers(headers).build().unwrap();
let responses = (1..=25)
.map(|d| {
let endpoint = format!("https://adventofcode.com/{year}/day/{d}/input");
println!("{endpoint}");
client.get(endpoint).send()
})
.collect_vec()
.into_iter()
.map(|x| async { x.await.unwrap().text().await.unwrap() })
.collect_vec();
for (day, res) in (1..=25).zip(responses) {
let input_path = format!("src/inputs/{day:02}.txt");
let mut file = match OpenOptions::new()
.write(true)
.create(true)
.open(&input_path)
{
Ok(file) => file,
Err(e) => {
eprintln!("Failed to create module file: {e}");
process::exit(1);
}
};
match file.write_all(res.await.as_bytes()) {
Ok(_) => {
println!("Downloaded input file \"{}\"", &input_path);
}
Err(e) => {
eprintln!("Failed to write module contents: {e}");
process::exit(1);
}
}
}
}