(Delphi DLL) eBay -- Upload Bulk Data using FileTransferService

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

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat for Delphi Downloads Chilkat non-ActiveX DLL for Delphi Chilkat ActiveX DLL for Delphi * The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Http, HttpRequest, Xml, HttpResponse, StringBuilder;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
accessToken: PWideChar;
http: HCkHttp;
apiCall: PWideChar;
fileAttachmentUuid: PWideChar;
xmlUuid: PWideChar;
req: HCkHttpRequest;
sbContentType: HCkStringBuilder;
replaceCount: Integer;
pathToFileOnDisk1: PWideChar;
pathToFileOnDisk2: PWideChar;
resp: HCkHttpResponse;
xml: HCkXml;

begin
success := False;

// 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 ..."
accessToken := 'EBAY_ACCESS_TOKEN';

http := CkHttp_Create();

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

req := CkHttpRequest_Create();

CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putPath(req,'/FileTransferService');

sbContentType := CkStringBuilder_Create();
CkStringBuilder_Append(sbContentType,'multipart/related; type="application/xop+xml"; start="XMLUUID"; start-info="text/xml"');
replaceCount := CkStringBuilder_Replace(sbContentType,'XMLUUID',xmlUuid);
CkHttpRequest_putContentType(req,CkStringBuilder__getAsString(sbContentType));

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

pathToFileOnDisk1 := 'qa_data/ebay/uploadFileRequest.xml';
success := CkHttpRequest_AddFileForUpload(req,'uploadFileRequest.xml',pathToFileOnDisk1);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttpRequest__lastErrorText(req));
    Exit;
  end;

pathToFileOnDisk2 := 'qa_data/ebay/BulkDataExchangeRequests.gz';
success := CkHttpRequest_AddFileForUpload(req,'BulkDataExchangeRequests.gz',pathToFileOnDisk2);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttpRequest__lastErrorText(req));
    Exit;
  end;

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

resp := CkHttpResponse_Create();
success := CkHttp_HttpSReq(http,'storage.sandbox.ebay.com',443,True,req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

xml := CkXml_Create();
CkXml_LoadXml(xml,CkHttpResponse__bodyStr(resp));

if (CkHttpResponse_getStatusCode(resp) <> 200) then
  begin
    Memo1.Lines.Add(CkXml__getXml(xml));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// 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>

Memo1.Lines.Add(CkXml__getXml(xml));

// Get the "ack" to see if it's "Failure" or "Success"
if (CkXml_ChildContentMatches(xml,'ack','Success',False)) then
  begin
    Memo1.Lines.Add('Success.');
  end
else
  begin
    Memo1.Lines.Add('Failure.');
  end;

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkStringBuilder_Dispose(sbContentType);
CkHttpResponse_Dispose(resp);
CkXml_Dispose(xml);

end;