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36 changes: 26 additions & 10 deletions backend/src/api/mod.rs
Original file line number Diff line number Diff line change
@@ -1,23 +1,39 @@
use serde::Deserialize;
use std::{error::Error, marker::Sync};
use std::{collections::HashMap, error::Error, println, string::String, vec::Vec};

#[derive(Debug, Deserialize)]
pub struct Problem {
pub id: String,
pub contest_id: String,
pub title: String,
pub name: String,
}

pub async fn fetch_problem() -> Result<Vec<Problem>, Box<dyn Error + Send + Sync>> {
let url = "https://kenkoooo.com/atcoder/resources/problems.json";
#[derive(Debug, Deserialize)]
pub struct ProblemModel {
pub difficulty: Option<i32>,
}

pub async fn fetch_problem() -> Result<(Vec<Problem>, HashMap<String, ProblemModel>), Box<dyn Error + Send + Sync>> {
// let problems_url = "https://kenkoooo.com/atcoder/resources/problems.json";
// let problem_models_url = "https://kenkoooo.com/atcoder/resources/problem-models.json";
let problems_url = "https://github.com/Twil3akine/atcoder-random-picker/blob/master/.gitconfig";
let problem_models_url = "https://github.com/Twil3akine/atcoder-random-picker/blob/master/.gitconfig";

// reqwest::Clientを作成し、User-Agentヘッダーを追加
let client = reqwest::Client::builder()
.user_agent("atcoder-random-picker/0.1") // 任意の名前やバージョンを指定
.build()?;
.user_agent("atcoder-random-picker/0.1 (twil3; contact: twil3akine@gmail.com)")
.build()?;

// 問題一覧
let problems_text = client.get(problems_url).send().await?.text().await?;
let problems: Vec<Problem> = serde_json::from_str(&problems_text)?;

// 問題モデル
let problem_models_text = client.get(problem_models_url).send().await?.text().await?;
let problem_models: HashMap<String, ProblemModel> = serde_json::from_str(&problem_models_text)?;

let text = client.get(url).send().await?.text().await?;
let problem: Vec<Problem> = serde_json::from_str(&text)?;
for (id, model) in &problem_models {
println!("{}: {:?}", id, model.difficulty);
}

Ok(problem)
Ok((problems, problem_models))
}
9 changes: 8 additions & 1 deletion backend/src/main.rs
Original file line number Diff line number Diff line change
Expand Up @@ -2,11 +2,18 @@ use hyper::service::{make_service_fn, service_fn};
use hyper::{Server};
use std::net::SocketAddr;
use std::convert::Infallible;
use std::{println};
use std::result::Result::Err;

use backend::router;
use backend::{api, router};

#[tokio::main]
async fn main() {
match api::fetch_problem().await {
Ok(_ps) => println!("Successed to fetch problems"),
Err(e) => eprintln!("Failed to failed problems: {}", e),
}

let addr = SocketAddr::from(([127, 0, 0, 1], 3000));

let make_svc = make_service_fn(|_conn| async {
Expand Down