(Node.js) Xero Get File Content (Files API)

Demonstrates how to download the content of a Xero file.

Note: This example requires Chilkat v9.5.0.64 or greater.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // Note: Requires Chilkat v9.5.0.64 or greater.

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    var rest = new chilkat.Rest();
    var success;

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // ------------------------------------------------------------------------------
    var fileID = "f042e9a3-a31d-4595-b8b3-6030ea6084bb";

    var sbPath = new chilkat.StringBuilder();
    sbPath.Append("/files.xro/1.0/Files/{FileId}/Content");
    var numReplaced = sbPath.Replace("{FileId}",fileID);

    var jpgData = new chilkat.BinData();
    success = rest.FullRequestNoBodyBd("GET",sbPath.GetAsString(),jpgData);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    // A 200 response is expected for actual success.
    // If we don't get a 200 response, then the response body was not actually
    // the file data, but it was text containing error information.
    if (rest.ResponseStatusCode !== 200) {
        var sbErrorText = new chilkat.StringBuilder();
        sbErrorText.AppendBd(jpgData,"utf-8",0,0);
        console.log(sbErrorText.GetAsString());
        console.log("-- Failed.");
        return;
    }

    // Save to a local file.
    success = jpgData.WriteFile("qa_output/xero_penguins.jpg");
    if (success !== true) {
        console.log("Failed to save to local file.");
    }

    console.log("Xero Get File was Successful.");

}

chilkatExample();