(Visual Basic 6.0) Create Google Photos Media Item using Upload Token

This is the 2nd step in uploading a photo to a Google Photos album. The 1st step is to upload the media data to get an upload token. This step is to use the upload token to add the media item to an album.

Chilkat ActiveX Downloads 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.

' Get the previously obtained access token.
' See Get Google Photos Access Token.

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

Dim http As New ChilkatHttp

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

' For more information, see Google Photos Upload Media REST API Documentation

' Build a JSON body that looks like this:
' {
'   "albumId": "ALBUM_ID",
'   "newMediaItems": [
'     {
'       "description": "ITEM_DESCRIPTION",
'       "simpleMediaItem": {
'         "uploadToken": "UPLOAD_TOKEN"
'       }
'     }
'    , ...
'   ]
' }

' Use this online tool to generate the code from sample JSON: 
' Generate Code to Create JSON

' Build the above JSON:
Dim json As New ChilkatJsonObject
success = json.UpdateString("albumId","ALBUM_ID")
success = json.UpdateString("newMediaItems[0].description","Photo of Penguins")
success = json.UpdateString("newMediaItems[0].simpleMediaItem.uploadToken","UPLOAD_TOKEN")

Dim resp As ChilkatHttpResponse
Set resp = http.PostJson("https://photoslibrary.googleapis.com/v1/mediaItems:batchCreate",json.Emit())
If (http.LastMethodSuccess = 0) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

' Examine the response status code.  Success is indicated by a status code of 200.
Debug.Print "response status code: " & resp.StatusCode

success = json.Load(resp.BodyStr)
json.EmitCompact = 0
Debug.Print json.Emit()

' Sample response:

' {
'   "newMediaItemResults": [
'     {
'       "uploadToken": "CAISiQMASsyg4M/x ... CIKFRzD3l8OpFJMRzMsd00D5w",
'       "status": {
'         "message": "OK"
'       },
'       "mediaItem": {
'         "id": "AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
'         "description": "Photo of Penguins",
'         "productUrl": "https://photos.google.com/lr/photo/AKcbugGwtCih2tdl3s1-NMvZFaco3W7XnRwvwtj02J9DJyl6JmrLZDVUFcxQl4AT04LaNrPpsrojeTsDSzOVOF5IgKefD0Y-MQ",
'         "mimeType": "image/jpeg",
'         "mediaMetadata": {
'           "creationTime": "2008-02-18T05:07:31Z",
'           "width": "1024",
'           "height": "768"
'         },
'         "filename": "penguins.jpg"
'       }
'     }
'   ]
' }

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

Dim i As Long
Dim count_i As Long
Dim uploadToken As String
Dim statusMessage As String
Dim mediaItemId As String
Dim mediaItemDescription As String
Dim mediaItemProductUrl As String
Dim mediaItemMimeType As String
Dim mediaItemMediaMetadataCreationTime As String
Dim mediaItemMediaMetadataWidth As String
Dim mediaItemMediaMetadataHeight As String
Dim mediaItemFilename As String

i = 0
count_i = json.SizeOfArray("newMediaItemResults")
Do While i < count_i
    json.I = i
    uploadToken = json.StringOf("newMediaItemResults[i].uploadToken")
    statusMessage = json.StringOf("newMediaItemResults[i].status.message")
    mediaItemId = json.StringOf("newMediaItemResults[i].mediaItem.id")
    mediaItemDescription = json.StringOf("newMediaItemResults[i].mediaItem.description")
    mediaItemProductUrl = json.StringOf("newMediaItemResults[i].mediaItem.productUrl")
    mediaItemMimeType = json.StringOf("newMediaItemResults[i].mediaItem.mimeType")
    mediaItemMediaMetadataCreationTime = json.StringOf("newMediaItemResults[i].mediaItem.mediaMetadata.creationTime")
    mediaItemMediaMetadataWidth = json.StringOf("newMediaItemResults[i].mediaItem.mediaMetadata.width")
    mediaItemMediaMetadataHeight = json.StringOf("newMediaItemResults[i].mediaItem.mediaMetadata.height")
    mediaItemFilename = json.StringOf("newMediaItemResults[i].mediaItem.filename")
    i = i + 1
Loop