120 lines
3.0 KiB
JavaScript
120 lines
3.0 KiB
JavaScript
/* eslint-disable no-throw-literal */
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const KoaRouter = require('koa-router')
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const router = new KoaRouter()
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const fs = require('fs')
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const path = require('path')
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const Printer = require('../PrinterDev')
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const KoaBody = require('koa-body')
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const uuid = require('uuid')
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router.use(async (c, n) => {
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c.data = {
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title: 'Printer System Setup'
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}
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let status = 1
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try {
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await n()
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} catch (err) {
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status = 0
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if (typeof err === 'string') {
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c.body = err
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} else {
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c.body = err.toString()
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}
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}
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if (c.async) {
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c.body = {
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status,
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msg: c.body
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}
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}
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})
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router
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.get('/', async (c, n) => {
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c.redirect('/install')
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})
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.get('/install', async (c, n) => {
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// get ttys
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let ttys = await new Promise((resolve, reject) => {
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fs.readdir(path.resolve('/dev'), (err, list) => {
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if (err) return resolve([])
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let arr = []
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for (let it of list) {
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if (/^tty[A-z]/.test(it)) {
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arr.push(path.resolve('/dev', it))
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}
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}
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resolve(arr)
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})
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})
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c.data.ttys = ttys
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await c.render('install/index', c.data)
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})
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.post('/install/printer_test', KoaBody(), async (c, n) => {
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c.async = true
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let arr = c.request.body
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if (!arr.device) throw '請輸入印表機連接埠'
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let device = arr.device
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let feed = arr.feed || 8
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if (!isFinite(feed) || feed < 0) throw '切紙前換行必須是整數'
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feed = typeof feed !== 'number' ? Math.floor(parseInt(feed)) : feed
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Printer.serial = device
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Printer.feed = feed
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let status = await Printer.printTestPage()
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if (!status) c.body = '測試失敗'
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else c.body = '測試成功'
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})
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.post('/install/write_config', KoaBody(), async (c, n) => {
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c.async = true
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let arr = c.request.body
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if (!arr.tty) throw '請輸入印表機連接埠'
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if (!arr.ble || (arr.ble !== 'yes' && arr.ble !== 'no')) throw '請輸入藍牙啟用設定'
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let feed = arr.feed || 8
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if (!isFinite(feed) || feed < 0) throw '切紙前換行必須是整數'
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feed = typeof feed !== 'number' ? Math.floor(parseInt(feed)) : feed
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let json = {
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ble: {
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enable: false,
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uuid: {
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main: '',
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service: '',
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characteristic: ''
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}
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},
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printer: {
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serial: '',
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feed: 8
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}
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}
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json.ble.enable = arr.ble === 'yes'
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json.ble.uuid.main = uuid.v4()
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json.ble.uuid.service = uuid.v4()
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json.ble.uuid.characteristic = uuid.v4()
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json.printer.serial = arr.tty
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json.printer.feed = feed
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let wconfig = await new Promise((resolve, reject) => {
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fs.writeFile(path.resolve(process.env.PROJECT_ROOT, 'config.json'), JSON.stringify(json, null, 2), {
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mode: 0o664,
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encoding: 'utf8',
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flag: 'w'
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}, err => {
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if (err) return resolve(false)
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return resolve(true)
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})
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})
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if (!wconfig) throw '設定檔寫入失敗'
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c.body = '設定檔寫入成功'
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})
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module.exports = router
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