Dart Requires Chilkat v11.0.0+

eBay -- Upload Bulk Data using FileTransferService

See more eBay Examples

Demonstrates how to upload your data file using the eBay File Transfer API. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example assumes the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  // Use a previously obtained access token.  The token should look something like this:
  // "AgAAAA**AQA ..."
  final accessToken = 'EBAY_ACCESS_TOKEN';

  final http = CkHttp();

  final apiCall = 'uploadFile';
  final fileAttachmentUuid = '<urn:uuid:bb47b86a237311e793ae92361f002671>';
  final xmlUuid = '<urn:uuid:bb47b766237311e793ae92361f002671>';

  final req = CkHttpRequest();

  req.httpVerb = 'POST';
  req.path = '/FileTransferService';

  final sbContentType = CkStringBuilder();
  sbContentType.append('multipart/related; type="application/xop+xml"; start="XMLUUID"; start-info="text/xml"');
  final replaceCount = sbContentType.replace('XMLUUID', xmlUuid);
  req.contentType = sbContentType.getAsString();

  req.addHeader('X-EBAY-SOA-SERVICE-NAME', 'FileTransferService');
  req.addHeader('X-EBAY-SOA-OPERATION-NAME', apiCall);
  req.addHeader('X-EBAY-SOA-SECURITY-TOKEN', accessToken);
  req.addHeader('X-EBAY-SOA-REQUEST-DATA-FORMAT', 'XML');
  req.addHeader('X-EBAY-SOA-RESPONSE-DATA-FORMAT', 'XML');
  req.addHeader('User-Agent', 'AnythingYouWant');

  final pathToFileOnDisk1 = 'qa_data/ebay/uploadFileRequest.xml';
  try {
    req.addFileForUpload('uploadFileRequest.xml', pathToFileOnDisk1);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final pathToFileOnDisk2 = 'qa_data/ebay/BulkDataExchangeRequests.gz';
  try {
    req.addFileForUpload('BulkDataExchangeRequests.gz', pathToFileOnDisk2);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Add sub-headers for each file in the request.
  req.addSubHeader(0, 'Content-Type', 'application/xop+xml; charset=UTF-8; type="text/xml"');
  req.addSubHeader(0, 'Content-Transfer-Encoding', 'binary');
  req.addSubHeader(0, 'Content-ID', xmlUuid);
  req.addSubHeader(1, 'Content-Type', 'application/octet-stream');
  req.addSubHeader(1, 'Content-Transfer-Encoding', 'binary');
  req.addSubHeader(1, 'Content-ID', fileAttachmentUuid);

  final resp = CkHttpResponse();
  try {
    http.httpSReq('storage.sandbox.ebay.com', 443, true, req, resp);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print('Response status code = ${resp.statusCode}');

  final xml = CkXml();
  xml.loadXml(resp.bodyStr);

  if (resp.statusCode != 200) {
    print(xml.getXml());
    print('Failed.');
    return;
  }

  // We still may have a failure.  The XML needs to be checked.
  // A failed response might look like this:

  // 	<?xml version="1.0" encoding="UTF-8" ?>
  // 	<uploadFileResponse xmlns="http://www.ebay.com/marketplace/services">
  // 	    <ack>Failure</ack>
  // 	    <errorMessage>
  // 	        <error>
  // 	            <errorId>1</errorId>
  // 	            <domain>Marketplace</domain>
  // 	            <severity>Error</severity>
  // 	            <category>Application</category>
  // 	            <message>Task Reference Id is invalid</message>
  // 	            <subdomain>FileTransfer</subdomain>
  // 	        </error>
  // 	    </errorMessage>
  // 	    <version>1.1.0</version>
  // 	    <timestamp>2017-04-18T01:05:27.475Z</timestamp>
  // 	</uploadFileResponse>

  // A successful response looks like this:

  // 	<?xml version="1.0" encoding="UTF-8" ?>
  // 	<uploadFileResponse xmlns="http://www.ebay.com/marketplace/services">
  // 	    <ack>Success</ack>
  // 	    <version>1.1.0</version>
  // 	    <timestamp>2017-04-18T01:22:47.853Z</timestamp>
  // 	</uploadFileResponse>

  print(xml.getXml());

  // Get the "ack" to see if it's "Failure" or "Success"
  if (xml.childContentMatches('ack', 'Success', false)) {
    print('Success.');
  } else {
    print('Failure.');
  }
}