(Swift 3,4,5...) SOAP sendBill Call to sunat.gob.pe

Demonstrates how to make a SOAP call to sunat.gob.pe for the sendBill method.

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

    // --------------------------------------------------------------------------------
    // Also see Chilkat's Online WSDL Code Generator
    // to generate code and SOAP Request and Response XML for each operation in a WSDL.
    // --------------------------------------------------------------------------------

    let http = CkoHttp()!

    var success: Bool

    // The SOAP XML will look like this:
    // <?xml version="1.0" encoding="utf-8"?>
    // <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://service.sunat.gob.pe">
    //     <soapenv:Header/>
    //     
    //     <soapenv:Body>
    //         <ser:sendBill>
    //             <fileName>20601523999-03-B001-00000002.zip</fileName>
    //             <contentFile>UEsDBBQ ... AAAAA==</contentFile>
    //         </ser:sendBill>
    //     </soapenv:Body>
    // </soapenv:Envelope>

    // Build the above SOAP XML.
    let xml = CkoXml()!
    xml.tag = "soapenv:Envelope"
    xml.addAttribute("xmlns:soapenv", value: "http://schemas.xmlsoap.org/soap/envelope/")
    xml.addAttribute("xmlns:ser", value: "http://service.sunat.gob.pe")
    xml.updateChildContent("soapenv:Header", value: "")
    xml.updateChildContent("soapenv:Body|ser:sendBill|fileName", value: "20601523999-03-B001-00000002.zip")
    xml.updateChildContent("soapenv:Body|ser:sendBill|contentFile", value: "UEsDBBQ ... AAAAA==")

    // Alternatively, load the XML from a file.  (Remove this line if you wish to build the XML as shown above.)
    success = xml.loadFile("qa_data/soap/envio_sunat_peru.xml")

    var strXml: String? = xml.getXml()

    http.setRequestHeader("SOAPAction", value: "urn:sendBill")
    http.setRequestHeader("Content-Type", value: "text/xml; charset=utf-8")

    var endPoint: String? = "https://e-beta.sunat.gob.pe/ol-ti-itcpfegem-beta/billService"

    var resp: CkoHttpResponse? = http.postXml(endPoint, xmlDoc: strXml, charset: "utf-8")
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        print("LastHeader:")
        print("\(http.lastHeader!)")
        return
    }

    var responseStatusCode: Int = resp!.statusCode.intValue

    // You may wish to verify that the responseStatusCode equals 200...
    print("Response Status Code: \(responseStatusCode)")

    // You may examine the exact HTTP header sent with the POST like this:
    print("LastHeader:")
    print("\(http.lastHeader!)")

    // Examine the XML returned by the web service:
    print("XML Response:")
    let xmlResp = CkoXml()!
    xmlResp.load(resp!.bodyStr)
    print("\(xmlResp.getXml()!)")

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

    resp = nil

}