(Swift 3,4,5...) HTTPS MWS List Orders (Amazon Marketplace Web Service)

Send an HTTPS MWS ListOrders request to return a list of orders created or updated during a time frame.

Note: This example requires Chilkat v9.5.0.66 or greater.

Important: The Chilkat v9.5.0.75 release accidentally breaks Amazon MWS (not AWS) authentication. If you need MWS with 9.5.0.75, send email to support@chilkatsoft.com for a hotfix, or revert back to v9.5.0.73, or update to a version after 9.5.0.75.

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

    // Note: This example requires Chilkat v9.5.0.66 or greater.
    let http = CkoHttp()!

    // Make sure to connect to the correct Amazon MWS Endpoing, 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 
    // 

    // Build the HTTP request.
    let req = CkoHttpRequest()!

    // Add query params
    req.addParam("Action", value: "ListOrders")
    req.addParam("CreatedAfter", value: "2016-12-31T23:00:00Z")
    req.addParam("MarketplaceId.Id.1", value: "MWS_MARKETPLACE_ID")
    req.addParam("SellerId", value: "MWS_SELLER_ID")
    req.addParam("AWSAccessKeyId", value: "MWS_ACCESS_KEY_ID")
    req.addParam("SignatureVersion", value: "2")
    req.addParam("SignatureMethod", value: "HmacSHA256")
    req.addParam("Version", value: "2013-09-01")

    // Set the HTTP verb and path.
    req.path = "/Orders/2013-09-01"
    req.httpVerb = "POST"

    // Add the MWS Signature after the verb, path, and all params have been set.
    req.addMwsSignature("mws.amazonservices.com", mwsSecretKey: "MWS_SECRET_ACCESS_KEY_ID")

    var resp: CkoHttpResponse? = http.postUrlEncoded("https://mws.amazonservices.com/Orders/2013-09-01", req: req)
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    if resp!.statusCode.intValue != 200 {
        print("Non-success status code: \(resp!.statusCode.intValue)")
        print("\(resp!.bodyStr!)")
        resp = nil
        return
    }

    // Examine the XML returned in the response body.
    print("\(resp!.bodyStr!)")
    print("----")
    print("Success.")
    resp = nil

}