(Objective-C) MWS RequestReport (Amazon Marketplace Web Service)

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

See Amazon MWS RequestReport for more information.

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#import <CkoRest.h>
#import <NSString.h>
#import <CkoXml.h>

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

CkoRest *rest = [[CkoRest alloc] init];

// 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 
// 
BOOL bTls = YES;
int port = 443;
BOOL bAutoReconnect = YES;
BOOL success = [rest Connect: @"mws.amazonservices.com" port: [NSNumber numberWithInt: port] tls: bTls autoReconnect: bAutoReconnect];
if (success != YES) {
    NSLog(@"%@%d",@"ConnectFailReason: ",[rest.ConnectFailReason intValue]);
    NSLog(@"%@",rest.LastErrorText);
    return;
}

rest.Host = @"mws.amazonservices.com";

[rest AddQueryParam: @"AWSAccessKeyId" value: @"0PB842EXAMPLE7N4ZTR2"];
[rest AddQueryParam: @"Action" value: @"RequestReport"];
[rest AddQueryParam: @"EndDate" value: @"2008-06-26T18:12:21"];
[rest AddQueryParam: @"MWSAuthToken" value: @"amzn.mws.4ea38b7b-f563-7709-4bae-87aeaEXAMPLE"];
[rest AddQueryParam: @"Marketplace" value: @"ATVPDKIKX0DER"];
[rest AddQueryParam: @"ReportType" value: @"_GET_MERCHANT_LISTINGS_DATA_"];
[rest AddQueryParam: @"SellerId" value: @"A1XEXAMPLE5E6"];
[rest AddQueryParam: @"SignatureMethod" value: @"HmacSHA256"];
[rest AddQueryParam: @"SignatureVersion" value: @"2"];
[rest AddQueryParam: @"StartDate" value: @"2009-01-03T18:12:21"];
[rest AddQueryParam: @"Version" value: @"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.
[rest AddMwsSignature: @"POST" uriPath: @"/Reports/2009-01-01" domain: @"mws.amazonservices.com" mwsSecretKey: @"MWS_SECRET_KEY"];

NSString *responseXml = [rest FullRequestFormUrlEncoded: @"POST" uriPath: @"/Reports/2009-01-01"];
if (rest.LastMethodSuccess != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

if ([rest.ResponseStatusCode intValue] != 200) {
    // Examine the request/response to see what happened.
    NSLog(@"%@%d",@"response status code = ",[rest.ResponseStatusCode intValue]);
    NSLog(@"%@%@",@"response status text = ",rest.ResponseStatusText);
    NSLog(@"%@%@",@"response header: ",rest.ResponseHeader);
    NSLog(@"%@%@",@"response body: ",responseXml);
    NSLog(@"%@",@"---");
    NSLog(@"%@%@",@"LastRequestStartLine: ",rest.LastRequestStartLine);
    NSLog(@"%@%@",@"LastRequestHeader: ",rest.LastRequestHeader);
}

// Examine the XML returned in the response body.
NSLog(@"%@",responseXml);
NSLog(@"%@",@"----");
NSLog(@"%@",@"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>

CkoXml *xml = [[CkoXml alloc] init];
[xml LoadXml: responseXml];

NSString *RequestReportResponse_xmlns = [xml GetAttrValue: @"xmlns"];
NSString *ReportRequestId = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|ReportRequestId"];
NSString *ReportType = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|ReportType"];
NSString *StartDate = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|StartDate"];
NSString *EndDate = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|EndDate"];
NSString *Scheduled = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|Scheduled"];
NSString *SubmittedDate = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|SubmittedDate"];
NSString *ReportProcessingStatus = [xml GetChildContent: @"RequestReportResult|ReportRequestInfo|ReportProcessingStatus"];
NSString *RequestId = [xml GetChildContent: @"ResponseMetadata|RequestId"];