(Swift 3,4,5...) 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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func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let rest = CkoRest()!

    // 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 
    // 
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    var success: Bool = rest.connect("mws.amazonservices.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)
    if success != true {
        print("ConnectFailReason: \(rest.connectFailReason.intValue)")
        print("\(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")

    var responseXml: String? = rest.fullRequestFormUrlEncoded("POST", uriPath: "/Reports/2009-01-01")
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

    if rest.responseStatusCode.intValue != 200 {
        // Examine the request/response to see what happened.
        print("response status code = \(rest.responseStatusCode.intValue)")
        print("response status text = \(rest.responseStatusText!)")
        print("response header: \(rest.responseHeader!)")
        print("response body: \(responseXml!)")
        print("---")
        print("LastRequestStartLine: \(rest.lastRequestStartLine!)")
        print("LastRequestHeader: \(rest.lastRequestHeader!)")
    }

    // Examine the XML returned in the response body.
    print("\(responseXml!)")
    print("----")
    print("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>

    let xml = CkoXml()!
    xml.load(responseXml)

    var RequestReportResponse_xmlns: String? = xml.getAttrValue("xmlns")
    var ReportRequestId: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|ReportRequestId")
    var ReportType: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|ReportType")
    var StartDate: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|StartDate")
    var EndDate: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|EndDate")
    var Scheduled: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|Scheduled")
    var SubmittedDate: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|SubmittedDate")
    var ReportProcessingStatus: String? = xml.getChildContent("RequestReportResult|ReportRequestInfo|ReportProcessingStatus")
    var RequestId: String? = xml.getChildContent("ResponseMetadata|RequestId")

}