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electron-main.js
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electron-main.js
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const fs = require('fs')
const { spawn } = require('child_process')
const path = require('path')
const bodyParser = require('body-parser')
const cors = require('cors')
const express = require('express')
const {
app,
protocol,
shell,
globalShortcut,
BrowserWindow,
ipcMain,
} = require('electron')
const scriptPath = path.join(__dirname, './boot.js')
const OBSWebSocket = require('obs-websocket-js').default
const dotenv = require('dotenv')
const WebSocket = require('ws')
// const isDev = require('electron-is-dev')
const isDev = false
dotenv.config()
require('electron-reload')(__dirname, {
electron: require(`${__dirname}/node_modules/electron`),
ignored: /node_modules|[\/\\]\.|users\.db/,
})
const {
exchangeCodeForToken,
getRefreshToken,
updateUserToken,
} = require('./auth/createAccessToken')
const {
seratoURLValidityCheck,
twitchURLValidityCheck,
} = require('./helpers/validations/validations')
const {
updateUserData,
} = require('./helpers/updateUserParams/updateUserParams')
const errorHandler = require('./helpers/errorHandler/errorHandler')
const {
INVALID_TWITCH_CHATBOT_URL,
INVALID_TWITCH_URL,
INVALID_SERATO_DISPLAY_NAME,
} = require('./bot-assets/constants/constants')
const server = express()
const PORT = process.env.PORT || 5000
server.use(bodyParser.json())
server.use(cors())
const db = require('./database')
let mainWindow
let botProcess
let serverInstance
const obs = new OBSWebSocket()
// socket connection for successful twitch auth
// message to the client UI
const wss = new WebSocket.Server({ port: 8080 })
server.get('/', (req, res) => {
res.send('NPChatbot is up and running')
})
server.get('/auth/twitch/callback', async (req, res) => {
const { code, state } = req.query
if (code) {
try {
const token = await exchangeCodeForToken(code)
// Update user data in the database
db.users.findOne({}, (err, user) => {
if (err) {
console.error('Error finding the user:', err)
return res.status(500).send('Database error.')
}
if (user) {
// Update the existing user
db.users.update(
{ _id: user._id },
{
$set: {
twitchAccessToken: token.access_token,
twitchRefreshToken: token.refresh_token,
appAuthorizationCode: code,
},
},
{},
(err, numReplaced) => {
if (err) {
console.error('Error updating the user:', err)
return res.status(500).send('Database error during update.')
}
console.log(
`Updated ${numReplaced} user(s) with new Twitch app token.`
)
}
)
} else {
db.users.insert(
{
twitchAccessToken: token.access_token,
twitchRefreshToken: token.refresh_token,
appAuthorizationCode: code,
},
(err, newDoc) => {
if (err) {
console.error('Error creating new user: ', err)
return res
.status(500)
.send('Error adding auth code to user file')
}
console.log('User Auth Data Updated: ', newDoc)
}
)
}
})
res.redirect('npchatbot-app://auth/success')
wss.clients.forEach(function each(client) {
if (client.readyState === WebSocket.OPEN) {
client.send('npChatbot successfully linked to your Twitch account')
}
})
} catch (error) {
console.error('Error exchanging code for token:', error)
res.status(500).send('Error during authorization.')
}
} else {
res.status(400).send('No code received from Twitch.')
}
})
ipcMain.on('getUserData', async (event, arg) => {
console.log('-----------------------------')
console.log('*** getUserData is called ***')
if (fs.existsSync('users.db')) {
try {
const user = await new Promise((resolve, reject) => {
db.users.findOne({}, (err, user) => {
if (err) {
reject(err)
} else {
resolve(user)
}
})
})
if (user) {
console.log('*** user data is found ***')
const responseObject = {
success: true,
data: user,
}
event.reply('getUserDataResponse', responseObject)
} else {
console.log('No user found in the database.')
event.reply('getUserDataResponse', {
success: false,
error: 'No user found',
})
}
} catch (error) {
console.error('Error fetching user data:', error)
event.reply('getUserDataResponse', {
success: false,
error: 'Error fetching user data',
})
}
} else {
console.log('users.db was not found.')
event.reply('getUserDataResponse', {
success: false,
error: 'users.db was not found',
})
}
})
// Start Express server
const startServer = () => {
serverInstance = server.listen(PORT, () => {
console.log(`npChatbot Express server is running on port ${PORT}`)
})
}
ipcMain.on('open-auth-url', () => {
shell.openExternal(
'https://id.twitch.tv/oauth2/authorize?response_type=code&client_id=19evlkrdxmriyliiey2fhhhxd8kkl6&redirect_uri=http://localhost:5000/auth/twitch/callback&scope=chat:read+chat:edit&state=c3ab8aa609ea11e793ae92361f002671'
)
})
// IPC listener for starting the bot script
ipcMain.on('startBotScript', async (event, arg) => {
let errorResponse = {
success: false,
error: null,
}
// validate local OBS connection if OBS responses are enabled
if (arg.isObsResponseEnabled === true) {
console.log(arg.obsWebsocketAddress)
try {
await obs.connect(
'ws://' + arg.obsWebsocketAddress,
arg.obsWebsocketPassword
)
console.log('Connected to OBS properly')
await obs.disconnect()
console.log('OBS validatiion passed')
// add logic to remove obs object once it's validated
} catch (error) {
errorResponse.error = errorHandler(error)
event.reply('startBotResponse', errorResponse)
return
}
}
if (botProcess) {
console.log('Bot is already running.')
event.reply('startBotResponse', {
success: false,
error: 'Bot is already running.',
})
return
}
try {
const currentAccessToken = await getRefreshToken(arg.twitchRefreshToken)
if (currentAccessToken.status === 400) {
const errorResponse = {
success: false,
error: errorHandler(currentAccessToken.message),
}
event.reply('startBotResponse', errorResponse)
return
} else {
console.log('*** await updateUserToken ***')
await updateUserToken(db, event, currentAccessToken)
console.log('*** updateUserToken COMPLETE ***')
}
} catch (error) {
console.error('Failed to update user token: ', error)
const errorResponse = {
success: false,
error: 'Failed to update user token.',
}
event.reply('startBotResponse', errorResponse)
return
}
console.log('--- loading bot process to spawn ---')
botProcess = spawn('node', [scriptPath])
botProcess.stdout.on('data', (data) => {
const parsedMessage = data.toString().trim()
console.log(`--- stdout: DATA ---`)
console.log(parsedMessage)
if (
parsedMessage
.toLowerCase()
.includes(`joined #${arg.twitchChannelName.toLowerCase()}`)
) {
console.log('--- Twitch Chat Properly Connected ---')
const botResponse = {
success: true,
message: parsedMessage,
data: arg,
}
event.reply('startBotResponse', botResponse)
} else if (parsedMessage.toLowerCase().includes('error')) {
console.log('--- startBotResponse error ---')
const botResponse = {
success: false,
error: parsedMessage,
}
event.reply('startBotResponse', botResponse)
botProcess = null
}
})
botProcess.stderr.on('data', (data) => {
if (data.includes('OBSWebSocketError')) {
console.log('*** OBSWebSocketError ***')
const botResponse = {
success: false,
message:
'npChatbot could not detect OBS. Please ensure OBS is running.',
}
event.reply('botProcessResponse', botResponse)
}
console.error(`stderr: IPC --> ${data}`)
})
// botProcess.on('close', (code) => {
// console.log(`botProcess process exited with code ${code}`)
// botProcess = null
// // Optionally, notify the renderer process here
// })
})
ipcMain.on('stopBotScript', async (event, arg) => {
if (botProcess) {
botProcess.on('exit', () => {
console.log('botProcess has exited.')
botProcess = null
})
botProcess.kill()
event.reply('stopBotResponse', {
success: true,
message: 'ipcMain: bot process successfully exited',
})
} else {
event.reply('stopBotResponse', {
success: false,
error: 'ipcMain: no bot process running to exit',
})
}
})
ipcMain.on('userDataUpdated', () => {
// Emit an event to notify that the user data has been updated
mainWindow.webContents.send('userDataUpdated')
})
ipcMain.on('submitUserData', async (event, arg) => {
console.log("*****************")
console.log("submitUserData ARGS: ")
console.log(arg)
console.log("*****************")
// Replace white space with underscores in Serato URL string for validation check
const seratoDisplayName = arg.seratoDisplayName.replaceAll(' ', '_')
// Perform URL validity checks
const isValidSeratoURL = await seratoURLValidityCheck(seratoDisplayName)
const isValidTwitchURL = await twitchURLValidityCheck(arg.twitchChannelName)
const isValidTwitchChatbotURL = await twitchURLValidityCheck(
arg.twitchChatbotName
)
console.log("isValidSeratoURL: ", isValidSeratoURL)
console.log("isValidTwitchURL: ", isValidTwitchURL)
if (isValidTwitchURL && isValidTwitchChatbotURL && isValidSeratoURL) {
try {
const data = await updateUserData(db, event, arg)
console.log('--- await updateUserData complete ---')
mainWindow.webContents.send('userDataUpdated')
event.reply('userDataResponse', data)
} catch (error) {
console.error('User data update error: ', error)
event.reply('userDataResponse', error)
}
} else if (!isValidTwitchURL) {
event.reply('userDataResponse', { error: INVALID_TWITCH_URL })
} else if (!isValidTwitchChatbotURL) {
event.reply('userDataResponse', { error: INVALID_TWITCH_CHATBOT_URL })
} else {
event.reply('userDataResponse', { error: INVALID_SERATO_DISPLAY_NAME })
}
})
// Create the Electron BrowserWindow
const createWindow = () => {
mainWindow = new BrowserWindow({
width: 1280,
height: 680,
webPreferences: {
preload: path.join(__dirname, './scripts/preload.js'),
nodeIntegration: false,
contextIsolation: true,
},
})
const appURL = isDev
? 'http://127.0.0.1:3000'
: `file://${path.join(__dirname, './client/build/index.html')}`
console.log('Loading URL: ', appURL)
mainWindow.loadURL(appURL)
mainWindow.webContents.openDevTools()
}
app.on('ready', () => {
protocol.registerHttpProtocol('npchatbot-app', (request, callback) => {
const url = request.url
mainWindow.webContents.send('auth-successful', url)
})
// globalShortcut.register('CommandOrControl+R', () => {
// const { webContents } = mainWindow
// webContents.reload()
// })
startServer()
if (isDev) {
console.log('dev mode')
}
createWindow()
console.log('npChatbot app has started successfully.')
})
app.on('before-quit', () => {
if (mainWindow) {
mainWindow.destroy()
}
if (serverInstance) {
serverInstance.close(() => {
console.log('Server closed.')
})
}
})
app.on('window-all-closed', () => {
console.log('closing app...')
if (process.platform !== 'darwin') {
app.quit()
}
})
app.on('activate', () => {
if (BrowserWindow.getAllWindows().length === 0) {
createWindow()
}
})