481 lines
14 KiB
JavaScript
481 lines
14 KiB
JavaScript
const functions = require('firebase-functions');
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const admin = require('firebase-admin');
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const secret = require('./FirebaseSecret.json');
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const express = require('express');
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const cors = require('cors');
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const authenticator = (req, res, next) => {
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res.set('Access-Control-Allow-Origin', ['*']);
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if (req.method === 'OPTIONS') {
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res.status(200).send();
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return next();
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}
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const token = req.headers.authorization.split(' ')[1];
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const reqToken = token.split(':')[0];
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const reqUid = token.split(':')[1];
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admin
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.auth()
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.verifyIdToken(reqToken)
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.then((user) => {
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if (user.uid === reqUid) {
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console.info('Verified Token - UID - ', reqUid);
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if (req.method === 'POST') {
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const bodydata = JSON.parse(req.body);
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bodydata.uid = user.uid;
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req.body = JSON.stringify(bodydata);
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}
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if (req.method === 'GET' || req.method === 'DELETE') {
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req.body = JSON.stringify({ uid: user.uid });
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}
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return next();
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} else {
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return res.status(401).send({ message: 'Unauthorized' });
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}
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})
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.catch((err) => {
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console.error('Failed Auth - ', req.headers.authorization, '\n', err);
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return res.status(500).send({ message: 'Unable to verify user token', ...err });
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});
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return null;
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};
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const timeDiff = (ds1, ds2) => {
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const d1 = new Date(ds1);
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const d2 = new Date(ds2);
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var diff = (d2.getTime() - d1.getTime()) / 1000;
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diff /= 60 * 60;
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return Math.abs(Math.round(diff));
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};
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const cleanUpRoom = async (roomId) => {
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('messages')
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.listDocuments()
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.then((messages) => messages.forEach((message) => message.delete()))
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.catch((err) => {
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console.error(`Failed to run auto clean up (delete room messages) @ ${roomId}`, err);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('users')
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.listDocuments()
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.then((users) => users.forEach((user) => user.delete()))
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.catch((err) => {
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console.error(`Failed to run auto clean up (delete room users) @ ${roomId}`, err);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.delete()
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.catch((err) => {
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console.error(`Failed to run auto clean up (delete room) @ ${roomId}`, err);
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});
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};
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const createRoom = async (req, res) => {
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const bodydata = JSON.parse(req.body);
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console.log('Requested Create - UID - ', bodydata.uid);
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if (!bodydata.userName) res.status(400).send({ message: 'Missing user name' });
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const roomId = await admin
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.firestore()
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.collection('rooms')
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.add({
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name: bodydata.roomName,
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player: bodydata.player,
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createdAt: new Date().toISOString(),
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updatedAt: new Date().toISOString(),
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})
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.then((ref) => ref.id)
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.catch((err) => {
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res.status(500).send({ message: 'Unable to start party.' });
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console.error(err);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('messages')
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.add({
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uid: '<system>',
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name: '',
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text: `${bodydata.userName} started the party.`,
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time: new Date().toISOString(),
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})
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.catch((err) => {
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console.error(`Failed to add system create party message : \n\t Room: ${roomId}`, err);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('users')
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.doc(bodydata.uid)
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.set({
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admin: true,
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name: bodydata.userName,
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})
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.catch((err) => {
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console.error(
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`Failed to set admin when creating party : \n\t Room: ${roomId} \n\t User: ${bodydata.uid}`,
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err
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);
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});
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res.status(201).send({ roomId, message: 'Started a party!' });
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};
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const joinRoom = async (req, res) => {
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const bodydata = JSON.parse(req.body);
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console.log('Requested Join - UID - ', bodydata.uid, '\n\tRoom - ', bodydata.roomId);
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const [exists, roomSource] = await admin
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.firestore()
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.collection('rooms')
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.doc(bodydata.roomId)
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.get()
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.then((roomSnap) => [roomSnap.exists, roomSnap.exists ? roomSnap.data().player.source : ''])
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.catch((err) => {
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console.error(
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`Failed to get room when joining room : \n\t Room: ${bodydata.roomId} \n\t User: ${bodydata.uid}`,
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err
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);
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});
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const userExists = await admin
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.firestore()
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.collection('rooms')
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.doc(bodydata.roomId)
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.collection('users')
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.doc(bodydata.uid)
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.get()
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.then((userSnap) => userSnap.exists)
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.catch((err) => {
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console.error(
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`Failed to get user when joining room : \n\t Room: ${bodydata.roomId} \n\t User: ${bodydata.uid}`,
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err
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);
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});
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if (userExists && exists && roomSource === bodydata.source)
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res.status(200).send({ roomId: bodydata.roomId, message: 'Joined a party' });
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else if (
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!userExists &&
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exists &&
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bodydata.roomId &&
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bodydata.userName &&
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roomSource === bodydata.source
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) {
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await admin
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.firestore()
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.collection('rooms')
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.doc(bodydata.roomId)
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.collection('messages')
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.add({
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uid: '<system>',
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name: '',
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text: `${bodydata.userName} joined the party.`,
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time: new Date().toISOString(),
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})
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.catch((err) => {
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console.error(
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`Failed to add system join party message : \n\t Room: ${roomId} \n\t ${bodydata.uid}`,
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err
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);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(bodydata.roomId)
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.collection('users')
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.doc(bodydata.uid)
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.set({
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admin: false,
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name: bodydata.userName,
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})
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.catch((err) => {
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console.error(
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`Failed to set admin when joining party : \n\t Room: ${roomId} \n\t User: ${bodydata.uid}`,
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err
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);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(bodydata.roomId)
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.update({
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updatedAt: new Date().toISOString(),
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})
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.catch((err) => {
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console.error(
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`Failed to set updated time when joining party : \n\t Room: ${roomId} \n\t User: ${bodydata.uid}`,
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err
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);
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});
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res.status(200).send({ roomId: bodydata.roomId, message: 'Joined a party' });
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} else if (!userExists && !bodydata.userName)
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res.status(400).send({ message: 'Missing user name' });
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else if (exists && roomSource !== bodydata.source)
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res.status(417).send({ message: `This party is on ${roomSource}` });
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else res.status(404).send({ message: 'Party Not Found' });
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};
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const sendMessage = async (req, res) => {
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const { name, text, time, uid, roomId, type } = JSON.parse(req.body);
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const roomExists = await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.get()
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.then((roomSnap) => roomSnap.exists);
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if (roomExists) {
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('messages')
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.add({
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name,
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text: text || '',
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time,
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uid,
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type: type || '',
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})
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.catch((err) => {
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console.error(`Failed to send message to party : \n\t Room: ${roomId} \n\t ${uid}`, err);
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res.status(500).send({ message: "Couldn't send your message", ...messageErr });
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.update({
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updatedAt: new Date().toISOString(),
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})
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.catch((err) => {
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console.error(
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`Failed to set updated time when sending messasge to party : \n\t Room: ${roomId} \n\t User: ${uid}`,
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err
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);
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});
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res.status(200).send({ message: 'Sent a message' });
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} else {
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res.status(404).send({ message: 'Looks like this party is over' });
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}
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};
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const leaveRoom = async (req, res) => {
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console.log('Requested Leave - UID - ', req.params.uid, '\n\tRoom - ', req.params.rid);
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await admin
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.firestore()
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.collection('rooms')
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.doc(req.params.rid)
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.collection('users')
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.doc(req.params.uid)
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.delete()
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.catch((err) =>
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console.error(
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`Failed to remove user from party : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
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err
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)
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);
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res.status(200).send({ message: 'Left the party' });
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};
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const deleteRoom = async (req, res) => {
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console.log('Requested Delete - Room - ', req.params.rid);
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console.log(req.body);
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const isAdmin = await admin
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.firestore()
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.collection('rooms')
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.doc(req.params.rid)
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.collection('users')
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.doc(JSON.parse(req.body).uid)
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.get()
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.then((v) => {
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if (v.exists) {
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return v.data().admin;
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}
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return false;
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});
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if (!isAdmin) {
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console.log('[UNAUTHORIZED] Requested Delete - Room - ', req.params.rid);
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res.status(401).send({ message: 'Not authorized to end this party.' });
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return;
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}
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await admin
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.firestore()
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.collection('rooms')
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.doc(req.params.rid)
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.collection('messages')
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.listDocuments()
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.then((messages) => messages.forEach((message) => message.delete()))
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.catch((err) => {
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console.error(
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`Failed to delete room messages : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
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err
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);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(req.params.rid)
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.collection('users')
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.listDocuments()
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.then((users) => users.forEach((user) => user.delete()))
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.catch((err) => {
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console.error(
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`Failed to delete room users : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
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err
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);
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(req.params.rid)
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.delete()
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.catch((err) => {
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console.error(
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`Failed to delete room : \n\t Room: ${req.params.rid} \n\t User: ${req.params.uid}`,
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err
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);
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});
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res.status(200).send({ message: 'Ended the party' });
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};
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const updatePlayer = async (req, res) => {
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const { player, roomId, uid, showChanged, userName } = JSON.parse(req.body);
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const statusString =
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player.status === 'PLAYING'
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? 'started playing from'
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: player.status === 'PAUSED'
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? 'paused at'
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: player.status === 'NOT_PLAYING'
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? 'stopped at'
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: 'is at';
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const timeString =
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player.time > 3600
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? new Date(player.time * 1000).toISOString().substr(11, 8)
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: new Date(player.time * 1000).toISOString().substr(14, 5);
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const [roomExists, roomData] = await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.get()
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.then((docSnap) => [docSnap.exists, docSnap.data()]);
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if (!roomExists) return res.status(404).send({ message: 'Party not found.' });
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const userExists = await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('users')
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.doc(uid)
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.get()
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.then((userSnap) => userSnap.exists);
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if (userExists) {
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if (showChanged === true) {
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('messages')
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.add({
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uid: '<system>',
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name: '',
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text: `${userName} changed show to \n${player.showName}`,
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time: new Date(),
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});
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}
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if (roomData.status !== player.status) {
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.update({
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player,
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})
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.catch((err) => {
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console.error(`Failed to update player : \n\t Room: ${roomId} \n\t ${uid}`, err);
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res.status(500).send({ message: "Uh oh party could't be synced", ...err });
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});
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await admin
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.firestore()
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.collection('rooms')
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.doc(roomId)
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.collection('messages')
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.add({
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uid: '<system>',
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name: '',
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text: `${userName} ${statusString} ${timeString}`,
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time: new Date().toISOString(),
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})
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.catch((err) => {
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console.error(
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`Failed to add system update player message : \n\t Room: ${roomId} \n\t ${uid}`,
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err
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);
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});
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return res.status(200).send({ message: 'Synced party player' });
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} else {
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return res.status(208).send({ message: 'Player already up to date' });
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}
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} else {
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return res.status(401).send({ message: 'Not in room to sync' });
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}
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};
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const app = express();
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app.use(cors({ origin: true }));
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app.use(authenticator);
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admin.initializeApp({
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credential: admin.credential.cert(secret),
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databaseURL: 'https://watch-party-crx.firebaseio.com',
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});
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app.post('/create', createRoom);
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app.post('/join', joinRoom);
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app.post('/message', sendMessage);
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app.delete('/leave/:rid/users/:uid', leaveRoom);
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app.delete('/delete/:rid', deleteRoom);
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app.post('/updatePlayer', updatePlayer);
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exports.widgets = functions.https.onRequest(app);
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exports.scheduledCleanUp = functions.pubsub.schedule('every 60 minutes').onRun(async () => {
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const startedTime = new Date().toISOString();
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const roomList = await admin
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.firestore()
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.collection('rooms')
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.listDocuments()
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.then((rL) => rL)
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.catch((err) => {
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console.error(
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`Failed to run auto clean up (get room list) @ ${new Date().toLocaleTimeString()}`,
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err
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);
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});
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roomList.forEach((roomRef) => {
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roomRef
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.get()
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.then(async (roomSnap) => {
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const roomData = roomSnap.data();
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if (
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timeDiff(roomData.createdAt, startedTime) >= 24 ||
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timeDiff(roomData.updatedAt, startedTime) >= 12
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)
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await cleanUpRoom(roomSnap.id);
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console.info(`Deleted room ${roomSnap.id} from auto cleanup`);
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return;
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})
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.catch((err) => {
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console.error(
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`Failed to run auto clean up (get room snap) @ ${new Date().toLocaleTimeString()}`,
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err
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);
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});
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});
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});
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