(Delphi DLL) MWS RequestReport (Amazon Marketplace Web Service)

Creates a report request and submits the request to Amazon MWS.

See Amazon MWS RequestReport for more information.

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, Rest, Xml;

...

procedure TForm1.Button1Click(Sender: TObject);
var
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
success: Boolean;
responseXml: PWideChar;
xml: HCkXml;
RequestReportResponse_xmlns: PWideChar;
ReportRequestId: PWideChar;
ReportType: PWideChar;
StartDate: PWideChar;
EndDate: PWideChar;
Scheduled: PWideChar;
SubmittedDate: PWideChar;
ReportProcessingStatus: PWideChar;
RequestId: PWideChar;

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

rest := CkRest_Create();

// Connect to the Amazon MWS REST server.
// 
// Make sure to connect to the correct Amazon MWS Endpoint, otherwise
// you'll get an HTTP 401 response code.
// 
// The possible servers are:
// 
// North America (NA) 	https://mws.amazonservices.com
// Europe (EU) 	https://mws-eu.amazonservices.com
// India (IN) 	https://mws.amazonservices.in
// China (CN) 	https://mws.amazonservices.com.cn
// Japan (JP) 	https://mws.amazonservices.jp 
// 
bTls := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'mws.amazonservices.com',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_putHost(rest,'mws.amazonservices.com');

CkRest_AddQueryParam(rest,'AWSAccessKeyId','0PB842EXAMPLE7N4ZTR2');
CkRest_AddQueryParam(rest,'Action','RequestReport');
CkRest_AddQueryParam(rest,'EndDate','2008-06-26T18:12:21');
CkRest_AddQueryParam(rest,'MWSAuthToken','amzn.mws.4ea38b7b-f563-7709-4bae-87aeaEXAMPLE');
CkRest_AddQueryParam(rest,'Marketplace','ATVPDKIKX0DER');
CkRest_AddQueryParam(rest,'ReportType','_GET_MERCHANT_LISTINGS_DATA_');
CkRest_AddQueryParam(rest,'SellerId','A1XEXAMPLE5E6');
CkRest_AddQueryParam(rest,'SignatureMethod','HmacSHA256');
CkRest_AddQueryParam(rest,'SignatureVersion','2');
CkRest_AddQueryParam(rest,'StartDate','2009-01-03T18:12:21');
CkRest_AddQueryParam(rest,'Version','2009-01-01');

// Add the MWS Signature param.  (Also adds the Timestamp parameter using the curent system date/time.)
// The AddMwsSignature method adds the Timestamp and Signature query params.
CkRest_AddMwsSignature(rest,'POST','/Reports/2009-01-01','mws.amazonservices.com','MWS_SECRET_KEY');

responseXml := CkRest__fullRequestFormUrlEncoded(rest,'POST','/Reports/2009-01-01');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

if (CkRest_getResponseStatusCode(rest) <> 200) then
  begin
    // Examine the request/response to see what happened.
    Memo1.Lines.Add('response status code = ' + IntToStr(CkRest_getResponseStatusCode(rest)));
    Memo1.Lines.Add('response status text = ' + CkRest__responseStatusText(rest));
    Memo1.Lines.Add('response header: ' + CkRest__responseHeader(rest));
    Memo1.Lines.Add('response body: ' + responseXml);
    Memo1.Lines.Add('---');
    Memo1.Lines.Add('LastRequestStartLine: ' + CkRest__lastRequestStartLine(rest));
    Memo1.Lines.Add('LastRequestHeader: ' + CkRest__lastRequestHeader(rest));
  end;

// Examine the XML returned in the response body.
Memo1.Lines.Add(responseXml);
Memo1.Lines.Add('----');
Memo1.Lines.Add('Success.');

// Sample Response

// Use this online tool to generate parsing code from sample XML: 
// Generate Parsing Code from XML

// <?xml version="1.0"?>
// <RequestReportResponse
//     xmlns="http://mws.amazonaws.com/doc/2009-01-01/">
//     <RequestReportResult>
//         <ReportRequestInfo>
//             <ReportRequestId>2291326454</ReportRequestId>
//             <ReportType>_GET_MERCHANT_LISTINGS_DATA_</ReportType>
//             <StartDate>2009-01-21T02:10:39+00:00</StartDate>
//             <EndDate>2009-02-13T02:10:39+00:00</EndDate>
//             <Scheduled>false</Scheduled>
//             <SubmittedDate>2009-02-20T02:10:39+00:00</SubmittedDate>
//             <ReportProcessingStatus>_SUBMITTED_</ReportProcessingStatus>
//         </ReportRequestInfo>
//     </RequestReportResult>
//     <ResponseMetadata>
//         <RequestId>88faca76-b600-46d2-b53c-0c8c4533e43a</RequestId>
//     </ResponseMetadata>
// </RequestReportResponse>

xml := CkXml_Create();
CkXml_LoadXml(xml,responseXml);

RequestReportResponse_xmlns := CkXml__getAttrValue(xml,'xmlns');
ReportRequestId := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|ReportRequestId');
ReportType := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|ReportType');
StartDate := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|StartDate');
EndDate := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|EndDate');
Scheduled := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|Scheduled');
SubmittedDate := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|SubmittedDate');
ReportProcessingStatus := CkXml__getChildContent(xml,'RequestReportResult|ReportRequestInfo|ReportProcessingStatus');
RequestId := CkXml__getChildContent(xml,'ResponseMetadata|RequestId');

CkRest_Dispose(rest);
CkXml_Dispose(xml);

end;