(Excel) List Files in Google Drive

Demonstrates how to list files in Google Drive.

See Google Drive Files list for more optional HTTP parameters.

Download Excel Class Modules Chilkat Excel Class Modules

success = True

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

' This example uses a previously obtained access token having permission for the 
' Google Drive scope.

Dim gAuth As Chilkat.AuthGoogle
Set gAuth = Chilkat.NewAuthGoogle
gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

Dim rest As Chilkat.Rest
Set rest = Chilkat.NewRest

' Connect using TLS.

bAutoReconnect = True
success = rest.Connect("www.googleapis.com",443,True,bAutoReconnect)

' Provide the authentication credentials (i.e. the access token)
Dim success As Boolean
success = rest.SetAuthGoogle(gAuth)

' Get 4 results per page.  (The default page size is 100, with a max of 1000.
success = rest.AddQueryParam("pageSize","4")

' This uses the Google Drive V3 API... (not V2)

jsonResponse = rest.FullRequestNoBody("GET","/drive/v3/files")
If (rest.LastMethodSuccess <> True) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

' A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "request header = "; rest.LastRequestHeader
    Debug.Print "response status code = "; rest.ResponseStatusCode
    Debug.Print "response status text = "; rest.ResponseStatusText
    Debug.Print "response header: "; rest.ResponseHeader
    Debug.Print "response JSON: "; jsonResponse
    Exit Sub
End If

' A successful response looks like this:
' {
'  "kind": "drive#fileList",
'  "files": [
'    {
'      "kind": "drive#file",
'      "id": "0B53Q6OSTWYolenpjTEU4ekJlQUU",
'      "name": "test",
'      "mimeType": "application/vnd.google-apps.folder"
'    },
'    {
'      "kind": "drive#file",
'      "id": "0B53Q6OSTWYolRm4ycjZtdXhRaEE",
'      "name": "starfish4.jpg",
'      "mimeType": "image/jpeg"
'    },
'    {
'      "kind": "drive#file",
'      "id": "0B53Q6OSTWYolMWt2VzN0Qlo1UjA",
'      "name": "hamlet2.xml",
'      "mimeType": "text/xml"
'    },
' ...
'    {
'      "kind": "drive#file",
'      "id": "0B53Q6OSTWYolc3RhcnRlcl9maWxlX2Rhc2hlclYw",
'      "name": "Getting started",
'      "mimeType": "application/pdf"
'    }
'  ]
' }

' Iterate over each file in the response and show the name, id, and mimeType.
Dim json As Chilkat.JsonObject
Set json = Chilkat.NewJsonObject
success = json.Load(jsonResponse)

' Show the full JSON response.
json.EmitCompact = False
Debug.Print json.Emit()


numFiles = json.SizeOfArray("files")

i = 0
Do While i < numFiles
    json.I = i
    Debug.Print "name: "; json.StringOf("files[i].name")
    Debug.Print "id: "; json.StringOf("files[i].id")
    Debug.Print "mimeType: "; json.StringOf("files[i].mimeType")
    Debug.Print "-"
    i = i + 1
Loop