index.js

// const fetch = require('node-fetch')
const axios = require('axios').default
const config = require('./config.js')
const productionKey = config.PRODUCTION_API_KEY
const sandboxKey = config.SANDBOX_API_KEY

let csv = require('fast-csv')
const fs = require('fs')

const headerConfig = {
    headers: {
        'Content-Type': 'application/xml'

    }
}


var stream = fs.createReadStream("data.csv");

csv.parseStream(stream, { headers: true, delimiter: '\t' })
    .on("data", function (data) {
        //  console.log(data.MMSID);
        const sendGetRequest = async () => {
            try {
                const res = await axios.get(`https://api-na.hosted.exlibrisgroup.com/almaws/v1/bibs/${data.MMSID}/holdings/${data.HoldingId}?apikey=${sandboxKey}`);

                const xml = `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><holding><holding_id>${res.data.holding_id}</holding_id><created_by>${res.data.created_by}</created_by><created_date>${res.data.created_date}</created_date><last_modified_by>${res.data.last_modified_by}</last_modified_by><last_modified_date>${res.data.last_modified_date}</last_modified_date><originating_system>${res.data.originating_system}</originating_system><originating_system_id>${res.data.originating_system_id}</originating_system_id><suppress_from_publishing>${res.data.suppress_from_publishing}</suppress_from_publishing><calculated_suppress_from_publishing>${res.data.calculated_suppress_from_publishing}</calculated_suppress_from_publishing>${res.data.anies.toString().replace(/\n/gm, "").replace(/(<subfield code="h">)(.+?)(<\/subfield>)/, `$1${data.Classification}$3`).replace(/<\?xml version.+?>/gm, "")}</holding>`


                const sendPutRequest = async () => {
                    try {
                        const resp = await axios.put(`https://api-na.hosted.exlibrisgroup.com/almaws/v1/bibs/${data.MMSID}/holdings/${data.HoldingId}?apikey=${sandboxKey}`, xml, headerConfig);
                        console.log(resp.data);
                     
                    } catch (err) {
                        // Handle Error Here
                        fs.appendFile('putError.txt', data.MMSID.toString(), function (err) {
                            if (err) throw err;
                        })
                    }
                };

                sendPutRequest()
             

            } catch (err) {
                // Handle Error Here
                fs.appendFile('getError.txt', data.MMSID.toString(), function (err) {
                    if (err) throw err;
    
                })
            }
        };

        sendGetRequest()



    })
    .on("end", function () {
        console.log("done")
    });