@autocodingsystems/gateway-client/lib/commands/add.js

Library and commandline utility to control the acs gateway - device drivers for the most common industrial production line devices

var api = require('../api');
const {promisify} = require('util');
const fs = require('fs');
const readfile = promisify(fs.readFile);
const stripJsonComments = require('strip-json-comments');
async function add_command(argv, conf, options) {

    var target = require('../parameters/target')(argv);
    var file = require('../parameters/devicefile')(argv);
    var mode = require('../parameters/namecollisionmode')(argv);
    var name = require('../parameters/newname')(argv);
    var raw = require('../parameters/raw')(argv);

    if (!target.value || !mode.value || !api(null).collisionmodes[mode.value] || !file.value) {
        usage();
        return;
    }

    try {
        var json = await readfile(file.value, 'utf8');

        json = JSON.parse(stripJsonComments(json));
        json.DeviceName = name.value || json.DeviceName;

        if (!json.DeviceName) {
            console.log('DeviceName must be specified in the JSON document');
            usage();
            return;
        }
        
        var originalname = json.DeviceName;
        var existingdevices = await api(target.value).raw.getDevices();

        json.DeviceName = api(target.value).collisionmodes[mode.value](json.DeviceName, existingdevices);

        var addresult = (json.DeviceName ? await api(target.value).raw.addDevice(json) : {skipped: true, originalname});

        if (raw.value) {
            console.log(JSON.stringify(addresult));
        } else if (addresult.skipped) {
            console.log(`Skipped as device already exists with name: ${addresult.originalname}`)
        } else {
            console.log(`Added ${addresult.DeviceId} ${json.DeviceName}`)
        }
    } catch (e) {
        throw e;
    }

    function usage() {
        console.log('add: add a device to a target gateway: ');
        console.log('   ' + target.description);
        console.log('   ' + file.description);
        console.log('   ' + mode.description);
        console.log('   ' + name.description);
        console.log('   ' + raw.description);
    }
}

module.exports = add_command;