node-red-contrib-motechat/lib/db/config.js

ultranet topic and payload communication

const level = require('level')
const path = require('path')
const os = require('os')
const fs = require('fs-extra')

const { userDir = '', u = '' } = require('yargs').argv
const customPath = userDir || u
const home = (() => {
    if (process.env.SNAP_USER_DATA) return process.env.SNAP_USER_DATA;
    if (process.platform === 'win32') return process.env.HOMEPATH
    if (process.platform === 'linux' || process.platform === 'darwin') return process.env.HOME
})()


const dbPath = customPath
    ? path.join(customPath, '.node-red-contrib-motechat')
    : path.join(home, '.node-red', '.node-red-contrib-motechat')

fs.ensureDirSync(dbPath)

const db = level(dbPath, { valueEncoding: 'json' })

const getDDN = () => new Promise(resolve => {
    db.get('DDN', (err, value) => resolve(value))
})

const getMote = () => new Promise(resolve => {
    db.get('mote', (err, value) => resolve(value))
})

const getDSIM = () => new Promise(resolve => {
    db.get('dSIM', (err, value) => resolve(value))
})

const getConfig = () => new Promise(resolve => {
    db.get('config', (err, value) => resolve(value))
})

const setDDN = (DDN = "") => new Promise(resolve => {
    db.put('DDN', { DDN }, (err = 0) => {
        if (err) resolve(1)
        resolve(0)
    })
})

const setMote = (mote = {
    EiOwner: process.env.EI_OWNER || "",
    EiName: process.env.MCHAT_EINAME || os.hostname(),
    EiType: process.env.EI_TYPE || ".flow",
    EiTag: process.env.EI_TAG || "",
    EiLoc: process.env.EI_LOC || ""
}) => new Promise(resolve => {
    db.put('mote', mote, (err = 0) => {
        if (err) resolve(1)
        resolve(0)
    })
})

const setDSIM = (dSIM = {
    SToken: "", EiToken: ""
}) => new Promise(resolve => {
    db.put('dSIM', dSIM, (err = 0) => {
        if (err) resolve(1)
        resolve(0)
    })
})

const setConfig = (config = {
    AppName: process.env.MCHAT_APPNAME || os.hostname(),
    AppKey: process.env.APP_KEY || "1u6WauSf",
    DCenter: process.env.MCHAT_DC || "dc",
    IOC: process.env.MCHAT_IOC || "",
    MotebusGW: process.env.MCHAT_MBGWIP || "127.0.0.1",
    MotebusPort: process.env.MCHAT_MBGWPORT || "6262",
    WatchLevel: process.env.WATCHLEVEL || "0"
}) => new Promise(resolve => {
    db.put('config', config, (err = 0) => {
        if (err) resolve(1)
        resolve(0)
    })
})

const init = async () => {
    let DDN = await getDDN()
    if (!DDN) setDDN()

    await setMote()

    let dSIM = await getDSIM()
    if (!dSIM) setDSIM()

    await setConfig()
    
    return {
        ...(await getDDN()),
        mote: await getMote(),
        dSIM: await getDSIM(),
        config: await getConfig()
    }
}

module.exports = {
    init, getDDN, getMote, getDSIM, getConfig,
    setDDN, setMote, setDSIM, setConfig
}