(Xojo Plugin) 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)
Dim jsonToken As New Chilkat.JsonObject
success = jsonToken.LoadFile("qa_data/tokens/paypal.json")

// Build the Authorization request header field value.
Dim sbAuth As New Chilkat.StringBuilder
// token_type should be "Bearer"
success = sbAuth.Append(jsonToken.StringOf("token_type"))
success = sbAuth.Append(" ")
success = 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.
Dim rest As New Chilkat.Rest
Dim bAutoReconnect As Boolean
bAutoReconnect = True
Dim success As Boolean
success = rest.Connect("api.sandbox.paypal.com",443,True,bAutoReconnect)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// ----------------------------------------------------------------------------------------------
// 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..
// ----------------------------------------------------------------------------------------------

success = rest.AddHeader("Authorization",sbAuth.GetAsString())

Dim invoiceId As String
invoiceId = "INV2-29Z4-EB7M-MUCY-327J"

Dim sbPath As New Chilkat.StringBuilder
success = sbPath.Append("/v1/invoicing/invoices/")
success = sbPath.Append(invoiceId)

// Send the DELETE request and get the JSON response.
Dim sbJsonResponse As New Chilkat.StringBuilder
success = rest.FullRequestNoBodySb("DELETE",sbPath.GetAsString(),sbJsonResponse)
If (success <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// A 204 response is expected for success.
System.DebugLog("Response Status Code = " + Str(rest.ResponseStatusCode))

// Did we get a 204 success response?
If (rest.ResponseStatusCode <> 204) Then
    System.DebugLog("Failed.")
    Return
End If

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