(Swift 2) Hungary NAV Query Taxpayer

Demonstrates the queryTaxpayer request for the Hungarian NAV Online Invoicing System REST API v2.0.

Note: This example requires Chilkat v9.5.0.83 or greater.

For more information, see https://onlineszamla.nav.gov.hu/api/files/container/download/Online%20Szamla_Interfesz%20specifik%C3%A1ci%C3%B3_EN_v2.0.pdf

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

    // Build the following XML:

    // <?xml version="1.0" encoding="UTF-8"?>
    // <QueryTaxpayerRequest xmlns="http://schemas.nav.gov.hu/OSA/2.0/api">
    // 	<header>
    // 		<requestId>RID215118906689</requestId>
    // 		<timestamp>2019-09-11T11:11:08.579Z</timestamp>
    // 		<requestVersion>2.0</requestVersion>
    // 		<headerVersion>1.0</headerVersion>
    // 	</header>
    // 	<user>
    // 		<login>lwilsmn0uqdxe6u</login>
    // 		<passwordHash>2F43840A882CFDB7DB0FEC07D419D030D864B47B6B541DC280EF81B937B7A176E33C052B0D26638CC18A7A2C08D8D311733078A774BF43F6CA57FE8CD74DC28E</passwordHash>
    // 		<taxNumber>11111111</taxNumber>
    // 		<requestSignature>C5ADE8A2231C509D2887E6C2C4406CC5F72CA25B070AD3E94FADFA3F91A8A3667AF882DEDC7D67E9086E3D34A95886E929ACD8C924CD1E8357C89BEF43BA9126</requestSignature>
    // 	</user>
    // 	<software>
    // 		<softwareId>123456789123456789</softwareId>
    // 		<softwareName>string</softwareName>
    // 		<softwareOperation>LOCAL_SOFTWARE</softwareOperation>
    // 		<softwareMainVersion>string</softwareMainVersion>
    // 		<softwareDevName>string</softwareDevName>
    // 		<softwareDevContact>string</softwareDevContact>
    // 		<softwareDevCountryCode>HU</softwareDevCountryCode>
    // 		<softwareDevTaxNumber>string</softwareDevTaxNumber>
    // 	</software>
    // 	<taxNumber>22222222</taxNumber>
    // </QueryTaxpayerRequest>

    var success: Bool
    let crypt = CkoCrypt2()

    let dtNow = CkoDateTime()
    dtNow.SetFromCurrentSystemTime()
    print("\(dtNow.GetAsTimestamp(false))")

    // The hash algorithm for the password is SHA512 (not SHA3-512).
    crypt.HashAlgorithm = "sha512"
    crypt.EncodingMode = "hex"
    var myPassword: String? = "my-password"
    var passwordHash: String? = crypt.HashStringENC(myPassword)

    // Generate a random request ID like "RID215118906689"
    let prng = CkoPrng()
    let sbRequestId = CkoStringBuilder()
    sbRequestId.Append("RID")
    sbRequestId.Append(prng.RandomString(12, bDigits: true, bLower: false, bUpper: false))
    print("generated requestId = \(sbRequestId.GetAsString())")

    // Calculate the requestSignature
    // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
    // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
    // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
    // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
    // IMPORTANT: This example requires Chilkat v9.5.0.83 or greater.  The SHA3 hash algorithm is implemented in Chilkat v9.5.0.83, but not in earlier versions.
    crypt.HashAlgorithm = "sha3-512"
    var signatureKey: String? = "ce-8f5e-215119fa7dd621DLMRHRLH2S"

    let sbFinalHashBase = CkoStringBuilder()

    // First append the timestamp because we are going to remove certain chars/parts.
    sbFinalHashBase.Append(dtNow.GetAsTimestamp(false))
    var numReplaced: Int = sbFinalHashBase.Replace("Z", replacement: "").intValue
    numReplaced = sbFinalHashBase.Replace("-", replacement: "").intValue
    numReplaced = sbFinalHashBase.Replace(":", replacement: "").intValue
    numReplaced = sbFinalHashBase.Replace("T", replacement: "").intValue

    // Prepend the requestId and append the signatureKey
    sbFinalHashBase.Prepend(sbRequestId.GetAsString())
    sbFinalHashBase.Append(signatureKey)

    var requestSignature: String? = crypt.HashStringENC(sbFinalHashBase.GetAsString())

    let xml = CkoXml()
    xml.Tag = "QueryTaxpayerRequest"
    xml.AddAttribute("xmlns", value: "http://schemas.nav.gov.hu/OSA/2.0/api")
    xml.UpdateChildContent("header|requestId", value: sbRequestId.GetAsString())
    xml.UpdateChildContent("header|timestamp", value: dtNow.GetAsTimestamp(false))
    xml.UpdateChildContent("header|requestVersion", value: "2.0")
    xml.UpdateChildContent("header|headerVersion", value: "1.0")
    xml.UpdateChildContent("user|login", value: "lwilsmn0uqdxe6u")
    xml.UpdateChildContent("user|passwordHash", value: passwordHash)
    xml.UpdateChildContent("user|taxNumber", value: "11111111")
    xml.UpdateChildContent("user|requestSignature", value: requestSignature)
    xml.UpdateChildContent("software|softwareId", value: "123456789123456789")
    xml.UpdateChildContent("software|softwareName", value: "string")
    xml.UpdateChildContent("software|softwareOperation", value: "LOCAL_SOFTWARE")
    xml.UpdateChildContent("software|softwareMainVersion", value: "string")
    xml.UpdateChildContent("software|softwareDevName", value: "string")
    xml.UpdateChildContent("software|softwareDevContact", value: "string")
    xml.UpdateChildContent("software|softwareDevCountryCode", value: "HU")
    xml.UpdateChildContent("software|softwareDevTaxNumber", value: "string")
    xml.UpdateChildContent("taxNumber", value: "22222222")

    // POST the XML to https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer
    let http = CkoHttp()
    http.Accept = "application/xml"
    http.SetRequestHeader("Content-Type", value: "application/xml")
    var endpoint: String? = "https://api-test.onlineszamla.nav.gov.hu/invoiceService/v2/queryTaxpayer"
    var resp: CkoHttpResponse? = http.PostXml(endpoint, xmlDoc: xml.GetXml(), charset: "utf-8")
    if http.LastMethodSuccess == false {
        print("\(http.LastErrorText)")
        return
    }

    print("Response status code = \(resp!.StatusCode.intValue)")

    let respXml = CkoXml()
    respXml.LoadXml(resp!.BodyStr)
    print("Response body:")
    print("\(respXml.GetXml())")

    resp = nil

    // The result looks like this:

    // <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
    // <QueryTaxpayerResponse xmlns="http://schemas.nav.gov.hu/OSA/2.0/api" xmlns:ns2="http://schemas.nav.gov.hu/OSA/2.0/data">
    //     <header>
    //         <requestId>RID847153193061</requestId>
    //         <timestamp>2020-03-24T16:00:34Z</timestamp>
    //         <requestVersion>2.0</requestVersion>
    //         <headerVersion>1.0</headerVersion>
    //     </header>
    //     <result>
    //         <funcCode>OK</funcCode>
    //     </result>
    //     <software>
    //         <softwareId>123456789123456789</softwareId>
    //         <softwareName>string</softwareName>
    //         <softwareOperation>LOCAL_SOFTWARE</softwareOperation>
    //         <softwareMainVersion>string</softwareMainVersion>
    //         <softwareDevName>string</softwareDevName>
    //         <softwareDevContact>string</softwareDevContact>
    //         <softwareDevCountryCode>HU</softwareDevCountryCode>
    //         <softwareDevTaxNumber>string</softwareDevTaxNumber>
    //     </software>
    //     <infoDate>1993-01-01T00:00:00.000+01:00</infoDate>
    //     <taxpayerValidity>true</taxpayerValidity>
    //     <taxpayerData>
    //         <taxpayerName>some taxpayer name</taxpayerName>
    //         <taxNumberDetail>
    //             <ns2:taxpayerId>22222222</ns2:taxpayerId>
    //             <ns2:vatCode>2</ns2:vatCode>
    //         </taxNumberDetail>
    //         <taxpayerAddressList>
    //             <taxpayerAddressItem>
    //                 <taxpayerAddressType>HQ</taxpayerAddressType>
    //                 <taxpayerAddress>
    //                     <ns2:countryCode>HU</ns2:countryCode>
    //                     <ns2:postalCode>1121</ns2:postalCode>
    //                     <ns2:city>BUDAPEST 12</ns2:city>
    //                     <ns2:streetName>ABCD</ns2:streetName>
    //                     <ns2:publicPlaceCategory>UTCA</ns2:publicPlaceCategory>
    //                     <ns2:number>20</ns2:number>
    //                 </taxpayerAddress>
    //             </taxpayerAddressItem>
    //         </taxpayerAddressList>
    //     </taxpayerData>
    // </QueryTaxpayerResponse>

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

    var QueryTaxpayerResponse_xmlns: String? = respXml.GetAttrValue("xmlns")
    var QueryTaxpayerResponse_xmlns_ns2: String? = respXml.GetAttrValue("xmlns:ns2")
    var requestId: String? = respXml.GetChildContent("header|requestId")
    var timestamp: String? = respXml.GetChildContent("header|timestamp")
    var requestVersion: String? = respXml.GetChildContent("header|requestVersion")
    var headerVersion: String? = respXml.GetChildContent("header|headerVersion")
    var funcCode: String? = respXml.GetChildContent("result|funcCode")
    var softwareId: String? = respXml.GetChildContent("software|softwareId")
    var softwareName: String? = respXml.GetChildContent("software|softwareName")
    var softwareOperation: String? = respXml.GetChildContent("software|softwareOperation")
    var softwareMainVersion: String? = respXml.GetChildContent("software|softwareMainVersion")
    var softwareDevName: String? = respXml.GetChildContent("software|softwareDevName")
    var softwareDevContact: String? = respXml.GetChildContent("software|softwareDevContact")
    var softwareDevCountryCode: String? = respXml.GetChildContent("software|softwareDevCountryCode")
    var softwareDevTaxNumber: String? = respXml.GetChildContent("software|softwareDevTaxNumber")
    var infoDate: String? = respXml.GetChildContent("infoDate")
    var taxpayerValidity: String? = respXml.GetChildContent("taxpayerValidity")
    var taxpayerName: String? = respXml.GetChildContent("taxpayerData|taxpayerName")
    var ns2_taxpayerId: Int = respXml.GetChildIntValue("taxpayerData|taxNumberDetail|ns2:taxpayerId").intValue
    var ns2_vatCode: Int = respXml.GetChildIntValue("taxpayerData|taxNumberDetail|ns2:vatCode").intValue
    var taxpayerAddressType: String? = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddressType")
    var ns2_countryCode: String? = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:countryCode")
    var ns2_postalCode: Int = respXml.GetChildIntValue("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:postalCode").intValue
    var ns2_city: String? = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:city")
    var ns2_streetName: String? = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:streetName")
    var ns2_publicPlaceCategory: String? = respXml.GetChildContent("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:publicPlaceCategory")
    var ns2_number: Int = respXml.GetChildIntValue("taxpayerData|taxpayerAddressList|taxpayerAddressItem|taxpayerAddress|ns2:number").intValue

}