Visual Basic 6.0 Requires Chilkat v11.0.0+

Xero List Attachments for an Item (such as an Invoice)

See more Xero Examples

Demonstrates how to get information about the attachments for a particular Xero item. Visual Basic 6.0

Dim success As Long
success = 0

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

Dim http As New ChilkatHttp

Dim jsonToken As New ChilkatJsonObject
success = jsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
If (success = 0) Then
    Debug.Print jsonToken.LastErrorText
    Exit Sub
End If

http.AuthToken = jsonToken.StringOf("access_token")

'  Replace the value here with an actual tenant ID obtained from this example:
'  Get Xero Tenant IDs
http.SetRequestHeader "Xero-tenant-id","83299b9e-5747-4a14-a18a-a6c94f824eb7"

http.Accept = "application/json"

Dim url As String
url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/"

'  Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
success = http.SetUrlVar("Endpoint","Invoices")

'  Guid is the ID of the item, such as the InvoiceID.
success = http.SetUrlVar("Guid","0032f627-3156-4d30-9b1c-4d3b994dc921")

Dim resp As New ChilkatHttpResponse
success = http.HttpNoBody("GET",url,resp)
If (success = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Debug.Print "Response Status Code: " & resp.StatusCode

Dim jsonResponse As New ChilkatJsonObject
success = jsonResponse.Load(resp.BodyStr)
jsonResponse.EmitCompact = 0
Debug.Print jsonResponse.Emit()

If (resp.StatusCode <> 200) Then
    Debug.Print "Failed."
    Exit Sub
End If

'  Sample response:
'  
'  Use the this online tool to generate parsing code from sample JSON: 
'  Generate Parsing Code from JSON

'  {
'    "Id": "24bfbcb9-dec9-4d33-835c-8f165d776766",
'    "Status": "OK",
'    "ProviderName": "Chilkat2222",
'    "DateTimeUTC": "\/Date(1587213296972)\/",
'    "Attachments": [
'      {
'        "AttachmentID": "daf106e2-8634-4349-bfcc-86c1df0793b2",
'        "FileName": "penguins.jpg",
'        "Url": "https://api.xero.com/api.xro/2.0/Invoices/0032f627-3156-4d30-9b1c-4d3b994dc921/Attachments/penguins.jpg",
'        "MimeType": "image/jpg",
'        "ContentLength": 777835
'      }
'    ]
'  }

Dim AttachmentID As String
Dim FileName As String
Dim v_Url As String
Dim MimeType As String
Dim ContentLength As Long

Dim Id As String
Id = jsonResponse.StringOf("Id")
Dim Status As String
Status = jsonResponse.StringOf("Status")
Dim ProviderName As String
ProviderName = jsonResponse.StringOf("ProviderName")
Dim DateTimeUTC As String
DateTimeUTC = jsonResponse.StringOf("DateTimeUTC")
Dim i As Long
i = 0
Dim count_i As Long
count_i = jsonResponse.SizeOfArray("Attachments")
Do While i < count_i
    jsonResponse.I = i
    AttachmentID = jsonResponse.StringOf("Attachments[i].AttachmentID")
    FileName = jsonResponse.StringOf("Attachments[i].FileName")
    v_Url = jsonResponse.StringOf("Attachments[i].Url")
    MimeType = jsonResponse.StringOf("Attachments[i].MimeType")
    ContentLength = jsonResponse.IntOf("Attachments[i].ContentLength")
    i = i + 1
Loop