Go Requires Chilkat v11.0.0+

PayPal: Look up a subscription and its recent payments

See more PayPal Examples

Start with the PayPal subscription ID saved with the local customer. Display its status and next billing time, then list transactions for the previous 30 days with each gross amount and currency.

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()

    http.SetUrlVar("id","SUBSCRIPTION_ID")

    success = http.HttpNoBody("GET","https://api-m.sandbox.paypal.com/v1/billing/subscriptions/{$id}",resp)
    if success != true {
        fmt.Println("No HTTP response: ", http.LastErrorText())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        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()
        errorInfo.DisposeJsonObject()
        return
    }

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

    fmt.Println("Status: ", *result.StringOf("status"))
    fmt.Println("Next billing: ", *result.StringOf("billing_info.next_billing_time"))
    now := chilkat.NewCkDateTime()
    now.SetFromCurrentSystemTime()
    query := chilkat.NewJsonObject()
    query.UpdateString("end_time",*now.GetAsTimestamp(false))
    now.AddDays(-30)
    query.UpdateString("start_time",*now.GetAsTimestamp(false))
    success = http.HttpParams("GET","https://api-m.sandbox.paypal.com/v1/billing/subscriptions/{$id}/transactions",query,resp)
    if success != true {
        fmt.Println("No HTTP response: ", http.LastErrorText())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        errorInfo.DisposeJsonObject()
        result.DisposeJsonObject()
        now.DisposeCkDateTime()
        query.DisposeJsonObject()
        return
    }

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

    history := chilkat.NewJsonObject()
    parsedHistory := history.Load(resp.BodyStr())
    if parsedHistory != true {
        fmt.Println("Expected a JSON response; HTTP ", resp.StatusCode())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        errorInfo.DisposeJsonObject()
        result.DisposeJsonObject()
        now.DisposeCkDateTime()
        query.DisposeJsonObject()
        historyError.DisposeJsonObject()
        history.DisposeJsonObject()
        return
    }

    i := 0
    for (i < history.SizeOfArray("transactions")) {
        history.SetI(i)
        fmt.Println(*history.StringOf("transactions[i].time"), "  ", *history.StringOf("transactions[i].id"), "  ", *history.StringOf("transactions[i].status"), "  "
            , *history.StringOf("transactions[i].amount_with_breakdown.gross_amount.value"), " ", *history.StringOf("transactions[i].amount_with_breakdown.gross_amount.currency_code"))
        i = i + 1
    }


    http.DisposeHttp()
    resp.DisposeHttpResponse()
    errorInfo.DisposeJsonObject()
    result.DisposeJsonObject()
    now.DisposeCkDateTime()
    query.DisposeJsonObject()
    historyError.DisposeJsonObject()
    history.DisposeJsonObject()