mtfosbot/libs/twitch-bot/index.js

106 lines
3.0 KiB
JavaScript

const WebSocket = require('ws')
const config = require('@config/index')
const DB = require('@libs/database')
const {
msgSplit
} = require('./parser')
const event = require('@root/event')
class WS {
constructor () {
/** @type {WebSocket} */
this.ws = null
this.join = []
event.on('twitchJoin', (channel) => {
this.joinChannel(channel)
})
event.on('twitchSend', data => {
this.sendMsg(data.channel, data.message)
})
}
runBot () {
if (!config.twitch.chat_host || !config.twitch.bot_oauth) return
if (this.ws !== null) return
this.ws = new WebSocket(`wss://${config.twitch.chat_host}:443`, 'irc')
this.ws.on('open', this.handleOpen.bind(this))
this.ws.on('message', this.handleMessage.bind(this))
this.ws.on('error', this.handleError.bind(this))
this.ws.on('close', this.handleExit.bind(this))
}
handleError (err) {
console.log(err)
this.ws = null
this.runBot()
}
handleExit (code) {
this.ws = null
this.runBot()
}
handleMessage (data) {
// socket message convert to string
let d = data.toString()
// split message with \n
// filter array remove empty element
// replace \r to empty
let darr = d.split(/\n/).filter(t => t).map(t => t.replace(/\r$/, ''))
for (let i in darr) {
// parse message
console.log('IRC:::: ', darr[i])
msgSplit(this.ws, darr[i]).then(() => { /* pass */ })
}
}
async handleOpen () {
// from pool get db connection
let db = await DB.connect()
// login to twitch irc
this.ws.send('PASS ' + config.twitch.bot_oauth)
this.ws.send('NICK mtfosbot')
this.ws.send('CAP REQ :twitch.tv/membership :twitch.tv/commands')
// 取得要加入的頻道列表
let text = `select "name" from "public"."twitch_channel where "join" = true`
let result = await db.query({
text
})
// release pool connection
await db.release()
this.joinChannel = []
if (result !== null && result.rowCount > 0) {
for (let row of result.rows) {
if ('name' in row) {
this.ws.send('JOIN #' + row.name)
this.join.push(row.name)
}
}
}
}
sendMsg (channel = null, message = null) {
if (this.ws === null || !('send' in this.ws) || typeof this.ws.send !== 'function') return null
if (channel === null || typeof channel !== 'string' || channel.trim().length === 0) return null
if (message === null || typeof message !== 'string' || message.trim().length === 0) return null
if (this.join.indexOf(channel) === -1) return null
this.ws.send(`PRIVMSG #${channel} :${message}`)
}
joinChannel (channel = null) {
if (this.ws === null || !('send' in this.ws) || typeof this.ws.send !== 'function') return null
if (channel === null || typeof channel !== 'string' || channel.trim().length === 0) return null
if (this.join.indexOf(channel) !== -1) return null
this.ws.send(`JOIN #${channel.trim()}`)
this.join.push(channel.trim())
}
}
module.exports = new WS()