(Visual Basic 6.0) batchGet (Read Multiple Ranges)

Reads multiple ranges from a Google Sheets spreadsheet in one GET request.

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.

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

'  In this example, Get Google Sheets OAuth2 Access Token, the access
'  token was saved to a JSON file.  This example fetches the access token from the file..
Dim jsonToken As New ChilkatJsonObject
Dim success As Long
success = jsonToken.LoadFile("qa_data/tokens/googleSheets.json")
If (jsonToken.HasMember("access_token") = 0) Then
    Debug.Print "No access token found."
    Exit Sub
End If

'  We'll be sending a GET request with query params to this URL:  https://sheets.googleapis.com/v4/spreadsheets/spreadsheetId/values:batchGet?ranges=Sheet1!A1:A2&ranges=Sheet1!B1:B2
'  The domain is "sheets.googleapis.com"
'  The path is "/v4/spreadsheets/spreadsheetId/values:batchGet"
Dim req As New ChilkatHttpRequest
req.Path = "/v4/spreadsheets/spreadsheetId/values:batchGet"
req.HttpVerb = "GET"
'  Add each range to fetch.
req.AddParam "ranges","Sheet1!A1:A2"
req.AddParam "ranges","Sheet1!B1:B2"

Dim http As New ChilkatHttp
http.AuthToken = jsonToken.StringOf("access_token")

'  443 is the SSL/TLS port for HTTPS.
Dim resp As ChilkatHttpResponse
Set resp = http.SynchronousRequest("sheets.googleapis.com",443,1,req)
If (http.LastMethodSuccess <> 1) Then
    Debug.Print http.LastErrorText
    Exit Sub
End If

Debug.Print resp.BodyStr

Dim json As New ChilkatJsonObject
success = json.Load(resp.BodyStr)

'  A sample response is shown below.
'  To generate the parsing source code for a JSON response, paste
'  the JSON into this online tool: Generate JSON parsing code

'  {
'    "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
'    "valueRanges": [
'      {
'        "range": "Sheet1!A1:A2",
'        "majorDimension": "ROWS",
'        "values": [
'          [
'            "Item"
'          ],
'          [
'            "Wheel"
'          ]
'        ]
'      },
'      {
'        "range": "Sheet1!B1:B2",
'        "majorDimension": "ROWS",
'        "values": [
'          [
'            "Cost"
'          ],
'          [
'            "$20.50"
'          ]
'        ]
'      }
'    ]
'  }

Dim i As Long
Dim count_i As Long
Dim j As Long
Dim count_j As Long
Dim k As Long
Dim count_k As Long

Dim spreadsheetId As String
spreadsheetId = json.StringOf("spreadsheetId")
i = 0
count_i = json.SizeOfArray("valueRanges")
Do While i < count_i
    json.I = i
    Dim range As String
    range = json.StringOf("valueRanges[i].range")
    Dim majorDimension As String
    majorDimension = json.StringOf("valueRanges[i].majorDimension")
    j = 0
    count_j = json.SizeOfArray("valueRanges[i].values")
    Do While j < count_j
        json.J = j
        k = 0
        count_k = json.SizeOfArray("valueRanges[i].values[j]")
        Do While k < count_k
            json.K = k
            Dim strVal As String
            strVal = json.StringOf("valueRanges[i].values[j][k]")
            k = k + 1
        Loop
        j = j + 1
    Loop
    i = i + 1
Loop