(Go) PayPal - Delete Draft Invoice

Deletes a draft invoice, by ID. Note that this call works for invoices in the draft state only. For invoices that have already been sent, you can cancel the invoice.

Note: This example requires Chilkat v9.5.0.65 or greater.

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    // Note: Requires Chilkat v9.5.0.65 or greater.

    // This requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Load our previously obtained access token. (see PayPal OAuth2 Access Token)
    jsonToken := chilkat.NewJsonObject()
    jsonToken.LoadFile("qa_data/tokens/paypal.json")

    // Build the Authorization request header field value.
    sbAuth := chilkat.NewStringBuilder()
    // token_type should be "Bearer"
    sbAuth.Append(*jsonToken.StringOf("token_type"))
    sbAuth.Append(" ")
    sbAuth.Append(*jsonToken.StringOf("access_token"))

    // Make the initial connection.
    // A single REST object, once connected, can be used for many PayPal REST API calls.
    // The auto-reconnect indicates that if the already-established HTTPS connection is closed,
    // then it will be automatically re-established as needed.
    rest := chilkat.NewRest()
    bAutoReconnect := true
    success := rest.Connect("api.sandbox.paypal.com",443,true,bAutoReconnect)
    if success != true {
        fmt.Println(rest.LastErrorText())
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        return
    }

    // ----------------------------------------------------------------------------------------------
    // The code above this comment could be placed inside a function/subroutine within the application
    // because the connection does not need to be made for every request.  Once the connection is made
    // the app may send many requests..
    // ----------------------------------------------------------------------------------------------

    rest.AddHeader("Authorization",*sbAuth.GetAsString())

    invoiceId := "INV2-29Z4-EB7M-MUCY-327J"

    sbPath := chilkat.NewStringBuilder()
    sbPath.Append("/v1/invoicing/invoices/")
    sbPath.Append(invoiceId)

    // Send the DELETE request and get the JSON response.
    sbJsonResponse := chilkat.NewStringBuilder()
    success = rest.FullRequestNoBodySb("DELETE",*sbPath.GetAsString(),sbJsonResponse)
    if success != true {
        fmt.Println(rest.LastErrorText())
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        sbPath.DisposeStringBuilder()
        sbJsonResponse.DisposeStringBuilder()
        return
    }

    // A 204 response is expected for success.
    fmt.Println("Response Status Code = ", rest.ResponseStatusCode())

    // Did we get a 204 success response?
    if rest.ResponseStatusCode() != 204 {
        fmt.Println("Failed.")
        jsonToken.DisposeJsonObject()
        sbAuth.DisposeStringBuilder()
        rest.DisposeRest()
        sbPath.DisposeStringBuilder()
        sbJsonResponse.DisposeStringBuilder()
        return
    }

    fmt.Println("Received successful 204 status code response.")
    fmt.Println("There is no response body, as expected.")
    fmt.Println("Success.")

    jsonToken.DisposeJsonObject()
    sbAuth.DisposeStringBuilder()
    rest.DisposeRest()
    sbPath.DisposeStringBuilder()
    sbJsonResponse.DisposeStringBuilder()