-const mongo = require("mongodb");
-const express = require("express")
const fs = require("fs")
-const mustache = require("mustache")
+const request = require("request-promise-native")
+const low = require("lowdb")
+const FileAsync = require("lowdb/adapters/FileAsync")
+
+const express = require("express")
const app = express()
const port = 3000
-app.get("/", (req, res) => {
- fs.readFile("index.html", (err, data) => {
- res.send(mustache.render("" + data, {
- reload_url: process.env.BROWSER_REFRESH_URL,
- }));
+const patch = "8.24.1";
+const key = "RGAPI-dce1850a-0954-4b1e-8072-77a26739f076";
+
+let appRateLimit1 = 10;
+let appRateLimit120 = 100;
+let appRateLimitCount1;
+let appRateLimitCount120;
+
+// Express routing
+// ---------------
+let rules = [
+ ["/lol", "index.html"],
+ ["/lol/script.js", "script.js"],
+ ["/lol/style.css", "style.css"],
+];
+
+for (i in rules) {
+ let path = rules[i][0];
+ let file = rules[i][1];
+ app.get(path, (req, res) => {
+ res.sendFile(__dirname + "/html/" + file);
+ });
+}
+// ---------------
+
+// Riot API request
+// ----------------
+const regions = {
+ "BR": "br1.api.riotgames.com",
+ "EUNE": "eun1.api.riotgames.com",
+ "EUW": "euw1.api.riotgames.com",
+ "JP": "jp1.api.riotgames.com",
+ "KR": "kr.api.riotgames.com",
+ "LAN": "la1.api.riotgames.com",
+ "LAS": "la2.api.riotgames.com",
+ "NA": "na1.api.riotgames.com",
+ "OCE": "oc1.api.riotgames.com",
+ "TR": "tr1.api.riotgames.com",
+ "RU": "ru.api.riotgames.com",
+ "PBE": "pbe1.api.riotgames.com",
+};
+
+let requests = [];
+
+async function executeRequest() {
+ if (requests.length > 0) {
+ let req = requests.shift();
+ if (req.retries < 1) req.rej();
+ else {
+ try {
+ console.log("[Info] request: " + req.url);
+ let result = await request({uri: req.url, resolveWithFullResponse: true, json: true});
+
+ let appRateLimit = result.headers["x-app-rate-limit"];
+ let appRateLimitCount = result.headers["x-app-rate-limit-count"];
+ appRateLimit1 = appRateLimit.split(",")[0].split(":")[0];
+ appRateLimit120 = appRateLimit.split(",")[1].split(":")[0];
+ appRateLimitCount1 = appRateLimitCount.split(",")[0].split(":")[0];
+ appRateLimitCount120 = appRateLimitCount.split(",")[1].split(":")[0];
+
+ if (typeof result.body == "object") req.res(result.body);
+ else req.res(JSON.parse(result.body));
+ } catch (err) {
+ console.log("[Error] riotRequest: " + err.message);
+ req.retries--;
+ requests.push(req);
+ }
+ }
+ }
+ let delay1 = 1000 / (appRateLimit1 - 1);
+ let delay120 = 120000 / (appRateLimit120 - 1);
+ setTimeout(executeRequest, Math.max(delay1, delay120));
+}
+executeRequest();
+
+async function riotRequest(region, url, params, retries) {
+ let req = "https://" + regions[region] + url + "?api_key=" + key;
+ for (p in params) {
+ req += "&" + p + "=" + params[p];
+ }
+ return new Promise((resolve, reject) => {
+ requests.push({ url: req, retries: 5, res: resolve, rej: reject });
+ });
+}
+// ----------------
+
+// User functionality
+// ------------------
+let users = {};
+let nameLookup = {};
+
+async function loadUserDb(region, accountId) {
+ if (!users[region]) users[region] = {};
+ if (users[region][accountId]) return;
+ let adapter = new FileAsync("data/" + region + "/" + accountId + ".json");
+ let db = await low(adapter);
+ await db.defaults({ games: [], gameSummaries: [], account: {} })
+ .write();
+ users[region][accountId] = db;
+}
+
+async function loadUserInfo(region, summonerName) {
+ if (!nameLookup[region]) nameLookup[region] = {};
+ if (nameLookup[region][summonerName]) return;
+ let user = await riotRequest(region, "/lol/summoner/v4/summoners/by-name/" + summonerName, {}, 5);
+ let accountId = user.accountId;
+ await loadUserDb(region, accountId);
+ users[region][accountId].set("account", user);
+ nameLookup[region][summonerName] = accountId;
+}
+
+async function loadGameSummaries(region, accountId) {
+ let totalGames;
+ let bI = 0, eI = 100;
+
+ loop1:
+ do {
+ let matchlist = await riotRequest(region, "/lol/match/v4/matchlists/by-account/" + accountId, { beginIndex: bI, endIndex: eI }, 5);
+ totalGames = matchlist.totalGames;
+ for (m in matchlist.matches) {
+ let match = matchlist.matches[m];
+ if (users[region][accountId].get("gameSummaries").find({ gameId: match.gameId }).value()) {
+ break loop1;
+ }
+ users[region][accountId].get("gameSummaries").push(match).write();
+ }
+ bI = eI;
+ eI += 100;
+ } while (bI <= totalGames);
+ users[region][accountId].write();
+ users[region][accountId].set("gameSummaries",
+ users[region][accountId].get("gameSummaries").sortBy("timestamp").sortedUniqBy((x) => x.gameId).value()).write();
+}
+
+app.get("/lol/matches", async (req, res) => {
+ let region = req.query.region;
+ let summoner = req.query.summoner;
+ console.log("[Info] getting game summaries for " + summoner + " from " + region);
+ try {
+ await loadUserInfo(region, summoner);
+ let accountId = nameLookup[region][summoner];
+ await loadGameSummaries(region, accountId);
+ let matches = users[region][accountId].get("gameSummaries").value();
+ console.log(matches.length);
+ res.send(JSON.stringify(matches));
+ } catch (err) {
+ console.log("[Error] GET /lol/matches: " + err);
+ res.send("error");
+ }
+});
+// ------------------
+
+// Static Data
+// -----------
+let champions;
+let champLookup = {};
+function loadChampions() {
+ request("http://ddragon.leagueoflegends.com/cdn/" + patch + "/data/en_US/champion.json", (err, res, body) => {
+ if (err) console.log("[Error] loadChampions: " + err);
+ champions = JSON.parse(body).data;
+ for (c in champions) {
+ champLookup[champions[c].key] = c;
+ }
});
+}
+
+app.get("/lol/champions", (req, res) => {
+ res.send(JSON.stringify(Object.keys(champions)));
});
-app.get("/script.js", (req, res) => res.sendFile(__dirname + "/script.js"))
+app.get("/lol/champlookup", (req, res) => {
+ res.send(JSON.stringify(champLookup));
+});
+// -----------
+loadChampions();
app.listen(port, () => {
console.log("Listening on port %d", port)
- console.log(process.env.BROWSER_REFRESH_URL.replace("localhost", "192.168.178.48"));
- if (process.send) {
- process.send("online");
- }
});
projects / lolstats / blobdiff