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import * as http from 'http';
import * as websocket from 'websocket';
import MainStreamConnection from './stream';
import { ParsedUrlQuery } from 'querystring';
import authenticate from './authenticate';
import { EventEmitter } from 'events';
import { subsdcriber as redisClient } from '../../db/redis';
import { Users } from '@/models';
module.exports = (server: http.Server) => {
// Init websocket server
const ws = new websocket.server({
httpServer: server
});
ws.on('request', async (request) => {
const q = request.resourceURL.query as ParsedUrlQuery;
// TODO: トークンが間違ってるなどしてauthenticateに失敗したら
// コネクション切断するなりエラーメッセージ返すなりする
// (現状はエラーがキャッチされておらずサーバーのログに流れて邪魔なので)
const [user, app] = await authenticate(q.i as string);
const connection = request.accept();
const ev = new EventEmitter();
async function onRedisMessage(_: string, data: string) {
const parsed = JSON.parse(data);
ev.emit(parsed.channel, parsed.message);
}
redisClient.on('message', onRedisMessage);
const main = new MainStreamConnection(connection, ev, user, app);
const intervalId = user ? setInterval(() => {
Users.update(user.id, {
lastActiveDate: new Date(),
});
}, 1000 * 60 * 5) : null;
if (user) {
Users.update(user.id, {
lastActiveDate: new Date(),
});
}
connection.once('close', () => {
ev.removeAllListeners();
main.dispose();
redisClient.off('message', onRedisMessage);
if (intervalId) clearInterval(intervalId);
});
connection.on('message', async (data) => {
if (data.utf8Data === 'ping') {
connection.send('pong');
}
});
});
};
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