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

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

For more information, see https://developer.xero.com/documentation/api/attachments#GET

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Http
oleobject loo_JsonToken
integer li_Success
string ls_Url
oleobject loo_Resp
oleobject loo_JsonResponse
string ls_AttachmentID
string ls_FileName
string ls_V_Url
string ls_MimeType
integer li_ContentLength
string ls_Id
string ls_Status
string ls_ProviderName
string ls_DateTimeUTC
integer i
integer li_Count_i

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

loo_Http = create oleobject
// Use "Chilkat_9_5_0.Http" for versions of Chilkat < 10.0.0
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")
if li_rc < 0 then
    destroy loo_Http
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_JsonToken = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonToken.ConnectToNewObject("Chilkat.JsonObject")

li_Success = loo_JsonToken.LoadFile("qa_data/tokens/xero-access-token.json")
if li_Success = 0 then
    Write-Debug loo_JsonToken.LastErrorText
    destroy loo_Http
    destroy loo_JsonToken
    return
end if

loo_Http.AuthToken = loo_JsonToken.StringOf("access_token")

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

loo_Http.Accept = "application/json"

ls_Url = "https://api.xero.com/api.xro/2.0/{$Endpoint}/{$Guid}/Attachments/"

// Endpoint can be Invoices, Receipts, CreditNotes, PurchaseOrders, etc.
loo_Http.SetUrlVar("Endpoint","Invoices")

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

loo_Resp = loo_Http.QuickRequest("GET",ls_Url)
if loo_Http.LastMethodSuccess <> 1 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Http
    destroy loo_JsonToken
    return
end if

Write-Debug "Response Status Code: " + string(loo_Resp.StatusCode)

loo_JsonResponse = create oleobject
// Use "Chilkat_9_5_0.JsonObject" for versions of Chilkat < 10.0.0
li_rc = loo_JsonResponse.ConnectToNewObject("Chilkat.JsonObject")

loo_JsonResponse.Load(loo_Resp.BodyStr)
loo_JsonResponse.EmitCompact = 0
Write-Debug loo_JsonResponse.Emit()

if loo_Resp.StatusCode <> 200 then
    Write-Debug "Failed."
    destroy loo_Resp
    destroy loo_Http
    destroy loo_JsonToken
    destroy loo_JsonResponse
    return
end if

destroy loo_Resp

// 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
//     }
//   ]
// }

ls_Id = loo_JsonResponse.StringOf("Id")
ls_Status = loo_JsonResponse.StringOf("Status")
ls_ProviderName = loo_JsonResponse.StringOf("ProviderName")
ls_DateTimeUTC = loo_JsonResponse.StringOf("DateTimeUTC")
i = 0
li_Count_i = loo_JsonResponse.SizeOfArray("Attachments")
do while i < li_Count_i
    loo_JsonResponse.I = i
    ls_AttachmentID = loo_JsonResponse.StringOf("Attachments[i].AttachmentID")
    ls_FileName = loo_JsonResponse.StringOf("Attachments[i].FileName")
    ls_V_Url = loo_JsonResponse.StringOf("Attachments[i].Url")
    ls_MimeType = loo_JsonResponse.StringOf("Attachments[i].MimeType")
    li_ContentLength = loo_JsonResponse.IntOf("Attachments[i].ContentLength")
    i = i + 1
loop


destroy loo_Http
destroy loo_JsonToken
destroy loo_JsonResponse