// ==UserScript==// @name         AtCoder Standings Watcher// @name:en      AtCoder Standings Watcher// @namespace    https://atcoder.jp/// @version      0.2.8// @license      MIT// @description  順位表を定期的に取得して、お気に入りの人の動きを通知します// @description:en Watch standings and notify your friends' movements// @author       magurofly// @match        https://atcoder.jp/contests/*// @icon         https://www.google.com/s2/favicons?domain=atcoder.jp// @grant        GM_notification// @grant        unsafeWindow// ==/UserScript==(function() {'use strict';// 各種設定const LANG = "en"; // "ja" or "en"const INTERVAL = 30e3; // 更新間隔（ミリ秒単位）const NOTIFICATION_TIMEOUT = 15e3; // 通知の表示時間（ミリ秒単位）const NOTIFICATION_TEMPLATES = {"ja": {penalty: ({user, task}) => `${user.id} さんが ${task.assignment} - ${task.name} でペナルティを出しました`,accepted: ({user, task, score}) => `${user.id} さんが ${task.assignment} - ${task.name} で ${score} 点を獲得し、 ${user.rank} 位になりました`,},"en": {penalty: ({user, task}) => `${user.id} got penalty at ${task.assignment} - ${task.name}`,accepted: ({user, task, score}) => `${user.id} got ${score} points at ${task.assignment} - ${task.name} and became ${user.rank}th`,},}[LANG];// 定数const watchingContest = unsafeWindow.contestScreenName;const standingsAPI = `/contests/${watchingContest}/standings/json`;const channel = new BroadcastChannel("atcoder-standings-watcher");// 状態let lastUpdate = 0; // 最後に更新した時刻const watchingUsers = {};// 関数async function initialize() {console.dir(() => {});if (unsafeWindow.getServerTime().isAfter(unsafeWindow.endTime)) { // コンテストが終了しているconsole.info("AtCoder Standings Watcher: contest has ended");return;}channel.onmessage = ({data}) => {console.log("AtCoder Standings Watcher: receive: ", data);switch (data.type) {case "update":if (data.contest == watchingContest) lastUpdate = Math.max(lastUpdate, data.time);break;case "task":watchingUsers[data.userId].taskR###lts[data.taskId] = data.r###lt;break}};setTimeout(() => {update(false);setInterval(() => {const now = Date.now();if (now - lastUpdate <= INTERVAL) return; // INTERVAL 以内に更新していた場合、今回は見送るlastUpdate = now;channel.postMessage({ type: "update", contest: watchingContest, time: lastUpdate });update().catch(error => console.error(error));}, INTERVAL / 2);}, INTERVAL);const favs = await getFavs();for (const fav of favs) {watchingUsers[fav] = {id: fav,rank: 0,taskR###lts: {},};}}async function update(notifyChanges = true) {console.info("AtCoder Standings Watcher: update");const data = await getStandingsData();const tasks = {};for (const {TaskScreenName, Assignment, TaskName} of data.TaskInfo) {tasks[TaskScreenName] = { id: TaskScreenName, assignment: Assignment, name: TaskName };}for (const standing of data.StandingsData) {const userId = standing.UserScreenName;if (!(userId in watchingUsers)) continue;const user = watchingUsers[userId];user.rank = standing.Rank;for (const task in standing.TaskR###lts) {const r###lt = user[task] || (user[task] = { count: 0, penalty: 0, score: 0 });const R###lt = standing.TaskR###lts[task];if (R###lt.Penalty > r###lt.penalty) {r###lt.penalty = R###lt.Penalty;if (notifyChanges) notify({ user, task: tasks[task], type: "penalty" });}if (R###lt.Score > r###lt.score) {r###lt.score = R###lt.Score;if (notifyChanges) notify({ user, task: tasks[task], type: "accepted", score: r###lt.score / 100 });}}}}function notify(notification) {console.log("AtCoder Standings Watcher: notification: ", notification);GM_notification({text: NOTIFICATION_TEMPLATES[notification.type](notification),timeout: NOTIFICATION_TIMEOUT,});if (notification.user && notification.task && notification.user.taskR###lts) {channel.postMessage({ type: "task", userId: notification.user.id, taskId: notification.task.id, r###lt: notification.user.taskR###lts[notification.task.id] });}}async function getFavs() {while (!unsafeWindow.favSet) {unsafeWindow.reloadFavs();await sleep(100);}return unsafeWindow.favSet;}async function getStandingsData() {return await fetch(standingsAPI).then(response => response.json());}const sleep = (ms) => new Promise(done => setInterval(done, ms));// 初期化initialize();})();