141 lines
3.0 KiB
JavaScript
141 lines
3.0 KiB
JavaScript
const Koa = require('koa')
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const fs = require('fs')
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const path = require('path')
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const localEvent = require('./localEvent')
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const WebSocket = require('ws')
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const exec = require('child_process').exec
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const Printer = require('./PrinterDev')
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// koa middleware
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const KoaLogger = require('koa-morgan')
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const KoaEjs = require('koa-ejs')
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const KoaMount = require('koa-mount')
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const KoaStatic = require('koa-static')
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const KoaRouter = require('koa-router')
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const Kcors = require('kcors')
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const app = new Koa()
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let config = {}
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let setupMode = false
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try {
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let chk = new Promise((resolve, reject) => {
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fs.access(path.resolve(process.env.PROJECT_ROOT, 'config.json'), (err) => {
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if (err) {
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setupMode = true
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resolve(0)
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return
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}
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config = require('./config.json')
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resolve(1)
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})
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})
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await chk //eslint-disable-line
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} catch (err) {
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setupMode = true
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}
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const server = app.listen(config.port || 10230, () => {
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console.log(`Server start on port ${server.address().port}`)
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})
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const ws = new WebSocket.Server({ server })
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app.use(Kcors())
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app.use(KoaLogger('short'))
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app.use(KoaStatic(path.resolve(__dirname, 'public')))
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KoaEjs(app, {
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root: path.resolve(__dirname, 'views'),
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layout: false,
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viewExt: 'ejs',
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cache: false,
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debug: false
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})
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let router = null
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if (setupMode) {
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console.log(`start setup mode`)
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router = require('./route/install')
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} else {
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console.log(`start normal mode`)
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router = require('./route/dashboard')
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Printer.serial = config.printer.serial
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Printer.feed = config.printer.feed
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await Printer.connect()
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Printer.on('close', ()=>{
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console.log('device disconnect')
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})
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}
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if (router !== null) {
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// set Route
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app.use(router.routes())
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app.use(router.allowedMethods())
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router.put('/reboot_sys', async (c, n) => {
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setTimeout(function () {
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process.exit(1)
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}, 2000)
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c.body = '1'
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})
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}
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// listen print event
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localEvent.on('print', async str => {
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let chk = await Printer.printerString(str)
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localEvent.emit('printResult', chk)
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})
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let systemStatus = {
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printer: {
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connect: false,
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serial: '',
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feed: 0
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},
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pcount: 0,
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lastprint: '',
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secret: ''
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}
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systemStatus.secret = config.api.secret
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function getPrinterStatus() {
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systemStatus.printer.connect = Printer.isOpen
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systemStatus.printer.serial = Printer.serial
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systemStatus.printer.feed = Printer.feed
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systemStatus.pcount = Printer.count
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systemStatus.lastprint = Printer.lastPrint
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}
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getPrinterStatus()
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ws.on('connection', async (client, req) => {
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getPrinterStatus()
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client.send(JSON.stringify({ type: 'status', data: systemStatus }))
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Printer.on('printDone', () => {
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getPrinterStatus()
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client.send(JSON.stringify({ type: 'status', data: systemStatus }))
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})
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client.on('message', msg => {
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let m = {}
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try {
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m = JSON.parse(msg)
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} catch (err) {
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return
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}
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switch (m.type) {
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case 'status':
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client.send(JSON.stringify({ type: 'status', data: systemStatus }))
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break
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}
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})
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})
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