(AutoIt) OneDrive -- List Large Directory

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Demonstrates how to get the entire collection of DriveItem children when the collection is large and multiple pages need to be requested. To test this example, I created a DriveItem with 450 children.

Note: This example requires Chilkat v9.5.0.97 or greater.

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ActiveX for 32-bit and 64-bit Windows

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

; This example uses the OAuth client credentials flow.
; See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

; Use your client ID, client secret, and tenant ID in the following lines
$oJson = ObjCreate("Chilkat.JsonObject")
$oJson.UpdateString("client_id","2871da2c-8176-4b7f-869b-2311aa82e743")
$oJson.UpdateString("client_secret","2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
$oJson.UpdateString("scope","https://graph.microsoft.com/.default")
$oJson.UpdateString("token_endpoint","https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

$oHttp = ObjCreate("Chilkat.Http")
$oHttp.AuthToken = $oJson.Emit()

; This example will get the DriveItems in /lots-of-files, which has 450 children..
$oHttp.SetUrlVar("item_path","/lots-of-files")
$oHttp.SetUrlVar("user_id","4fe732c3-322e-4a6b-b729-2fd1eb5c6104")

Local $sResp
Local $i
Local $iNumItems

$oJson.EmitCompact = False

; This loop will download DriveItems in sets of 25 until no more exist.
Local $bGetMore = True
; (Add the $top query parameter to define the page size, i.e. the max number of results to return).
Local $sNextLink = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$item_path}:/children?$top=25"

While ($bGetMore = True)

    ; Get the next chunk of DriveItems
    $sResp = $oHttp.QuickGetStr($sNextLink)
    If ($oHttp.LastMethodSuccess <> True) Then
        ConsoleWrite($oHttp.LastErrorText & @CRLF)
        Exit
    EndIf

    ; The response should be JSON.
    $oJson.Load($sResp)

    ; A successful response should return a status code of 200.
    If ($oHttp.LastStatus <> 200) Then
        ConsoleWrite($oJson.Emit() & @CRLF)
        ConsoleWrite("Response status = " & $oHttp.LastStatus & @CRLF)
        Exit
    EndIf

    ; Iterate over the DriveItems in the JSON response:
    $i = 0
    $iNumItems = $oJson.SizeOfArray("value")
    While $i < $iNumItems
        $oJson.I = $i
        ConsoleWrite("name: " & $oJson.StringOf("value[i].name") & @CRLF)
        $i = $i + 1
    Wend

    ; If a nextLink was included in the JSON, use it to get the next set of 50 DriveItems.
    ; Otherwise, exit the loop.
    If ($oJson.HasMember("""@odata.nextLink""") = True) Then
        $sNextLink = $oJson.StringOf("""@odata.nextLink""")
        ConsoleWrite("nextLink: " & $sNextLink & @CRLF)
    Else
        $bGetMore = False
    EndIf

Wend