@autocodingsystems/gateway-client/lib/api/waitforjobstatuschange.js

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

const timeout = (ms) => new Promise( (res) => setTimeout(res, ms) );

function wrap(api) {
    // polls the given device on the gateway until the job status is different from the currentstatus
    // returns the results of the last poll when done
    return async function waitforjobstatuschange(id, currentstatus, timeoutms) {
        var waiting = true;
        var timedout = false;

        var overalltimeout = null;
        if (timeoutms) {
            overalltimeout = setTimeout(_ => {
                waiting = false;
                timedout = true;
                overalltimeout = null;
            }, timeoutms);
        }

        var jobstatus = null;
        while (waiting) {
            try {
                jobstatus = await api.getDeviceJobStatus(id);
            } catch (e) {
                jobstatus = jobstatus || {Status: 'Unknown'};
                jobstatus.Error = e.Message || (typeof e == 'string' ? e : JSON.stringify(e))
            }
            waiting = jobstatus.Status === currentstatus;

            if (waiting) {
                await timeout(200);
            }
        }

        if (overalltimeout) {
            clearTimeout(overalltimeout);
        }

        if (timedout) {
            jobstatus = jobstatus || {Status: 'Unknown', Message :''};
            jobstatus.Message = 'Timeout';
        }

        return jobstatus;
    }
}


module.exports = wrap;