var request = require('request');



                   username = "",
                   password = "",
                   url = "http://207.188.73.88:8000/sap/opu/odata/sap/ZTEE_TIME_SRV/ZTEERESERVESet(Time=time'PT11H00M00S',Date=datetime'2014-03-11T00%3A00%3A00',Location='TAJ',Number=3)",
                   auth = "Basic " + new Buffer(username + ":" + password).toString("base64");

request(
                            {
                                url : url,

                                headers : {
                                    "Authorization" : auth,
                                    'x-csrf-token':'Fetch'

                                }

                            },
                            function (error, response, body) {
                                      //  console.log("JSON data " + response);
                                      // console.log("body" + body);

request(
                            {
                                url : url,

                                 headers :  {

"Authorization" : auth,
                                "X-CSRF-TOKEN":"u6piLO58XoK6udOkQ5Naww=="

                                },
                        method: 'POST',
                        //Lets post the following key/values as form
                            form: {
                                    Time:'PT11H00M00S',

                                    Date:'2014-03-11T00%3A00%3A00',
                                    Location:'TAJ',
                                    Number:3 ,
                                        }

                            },
                            function (error, response, body) {
                                  console.log(body);
                                }




                        );
                                }


                        );

let headers = {
  "Authorization": "Basic " + new Buffer(username + ":" + password).toString("base64"),
  "Content-Type":"application/json",
  "Accept":"application/json",
  "x-csrf-token":"Fetch" // get CSRF Token for post or update
};
// if you are using session vars
if (req.session.headers && req.session.headers.cookie) {
  headers['Cookie'] = req.session.headers.cookie;
} else {
  req.session.headers = {}; // initialize as object
}
let opts = {
  url: "https://{host}:{port}/sap/opu/odata/sap/MD_SUPPLIER_MASTER_SRV",
  qs: params1, // params set before, not set in the example
  headers: headers,
  json: true,
}
request(opts, (error: any, response: any, body: any): any => {
  if (!error && response.statusCode === 200) {
    if (response.headers["set-cookie"]) {
      req.session.headers.cookie = response.headers["set-cookie"]; // store Cookie in session
      headers['Cookie'] = req.session.headers.cookie; // set in headers for the next call. I guess this is the part you missed
    }
    if (response.headers['x-csrf-token']) {
      req.session.headers.csrf = response.headers['x-csrf-token']; // store csrf-token in session
      headers['x-csrf-token'] = req.session.headers.csrf; // set in headers for the next call
    }

    let options: request.Options = {
      url: "https://{host}:{port}/sap/opu/odata/sap/MD_SUPPLIER_MASTER_SRV/C_BusinessPartnerSupplierEdit",
      method: 'POST',
      headers: headers,
      qs: params2, // params set before
      json: true,
    }
    request(options, (error: any, response: any, body: any): any => {
      res.json(body);
    });
  }
});