Go Requires Chilkat v11.0.0+

PayPal: Authorize a buyer-approved order

See more PayPal Examples

Authorize the stored order after the buyer approves it. Save the returned authorization ID and amount for capture or void. An authorization reserves funds; it is not a capture.

PayPal documentation

Go

    success := false

    //  See Unlock Chilkat before making requests.
    //  For the merchant's internal backoffice application. Load the sandbox token
    //  from the merchant's credential store. Keep it out of publicly distributed apps.
    //  See Get a PayPal access token.
    http := chilkat.NewHttp()
    http.SetAuthToken("SANDBOX_ACCESS_TOKEN")
    resp := chilkat.NewHttpResponse()

    //  Use the approved order created with intent AUTHORIZE.
    http.SetUrlVar("id","ORDER_ID")
    //  Create and persist this key once per business operation. On a timeout,
    //  retry the same request with its saved key, not a newly generated one.
    crypt := chilkat.NewCrypt2()
    requestId := crypt.GenerateUuid()
    http.SetRequestHeader("PayPal-Request-Id",*requestId)
    http.SetRequestHeader("Prefer","return=representation")
    body := chilkat.NewJsonObject()

    success = http.HttpJson("POST","https://api-m.sandbox.paypal.com/v2/checkout/orders/{$id}/authorize",body,"application/json",resp)
    if success != true {
        fmt.Println("No HTTP response: ", http.LastErrorText())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        crypt.DisposeCrypt2()
        body.DisposeJsonObject()
        return
    }

    if (resp.StatusCode() < 200) || (resp.StatusCode() >= 300) {
        errorInfo := chilkat.NewJsonObject()
        errorInfo.Load(resp.BodyStr())
        fmt.Println("HTTP ", resp.StatusCode(), " ", *errorInfo.StringOf("name"), " ", *errorInfo.StringOf("details[0].issue"))
        fmt.Println("PayPal debug ID: ", *errorInfo.StringOf("debug_id"))
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        crypt.DisposeCrypt2()
        body.DisposeJsonObject()
        errorInfo.DisposeJsonObject()
        return
    }

    result := chilkat.NewJsonObject()
    parsed := result.Load(resp.BodyStr())
    if parsed != true {
        fmt.Println("Expected a JSON response; HTTP ", resp.StatusCode())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        crypt.DisposeCrypt2()
        body.DisposeJsonObject()
        errorInfo.DisposeJsonObject()
        result.DisposeJsonObject()
        return
    }

    fmt.Println("ID: ", *result.StringOf("id"))
    fmt.Println("Status: ", *result.StringOf("status"))
    //  A purchase unit may have no authorizations yet, or more than one.
    i := 0
    for (i < result.SizeOfArray("purchase_units")) {
        result.SetI(i)
        j := 0
        for (j < result.SizeOfArray("purchase_units[i].payments.authorizations")) {
            result.SetJ(j)
            fmt.Println("Unit: ", *result.StringOf("purchase_units[i].reference_id"), "  authorization: ", *result.StringOf("purchase_units[i].payments.authorizations[j].id"))
            fmt.Println("  ", *result.StringOf("purchase_units[i].payments.authorizations[j].status"), "  ", *result.StringOf("purchase_units[i].payments.authorizations[j].amount.value")
                , " ", *result.StringOf("purchase_units[i].payments.authorizations[j].amount.currency_code"))
            j = j + 1
        }

        i = i + 1
    }


    http.DisposeHttp()
    resp.DisposeHttpResponse()
    crypt.DisposeCrypt2()
    body.DisposeJsonObject()
    errorInfo.DisposeJsonObject()
    result.DisposeJsonObject()