(Visual FoxPro) 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

LOCAL loJsonToken
LOCAL lnSuccess
LOCAL loReq
LOCAL loHttp
LOCAL loResp
LOCAL loJson
LOCAL i
LOCAL lnCount_i
LOCAL j
LOCAL lnCount_j
LOCAL k
LOCAL lnCount_k
LOCAL lcSpreadsheetId
LOCAL lcRange
LOCAL lcMajorDimension
LOCAL lcStrVal

* 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..
* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJsonToken = CreateObject('Chilkat.JsonObject')
lnSuccess = loJsonToken.LoadFile("qa_data/tokens/googleSheets.json")
IF (loJsonToken.HasMember("access_token") = 0) THEN
    ? "No access token found."
    RELEASE loJsonToken
    CANCEL
ENDIF

* 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"
* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.HttpRequest')
loReq = CreateObject('Chilkat.HttpRequest')
loReq.Path = "/v4/spreadsheets/spreadsheetId/values:batchGet"
loReq.HttpVerb = "GET"
* Add each range to fetch.
loReq.AddParam("ranges","Sheet1!A1:A2")
loReq.AddParam("ranges","Sheet1!B1:B2")

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http')
loHttp = CreateObject('Chilkat.Http')
loHttp.AuthToken = loJsonToken.StringOf("access_token")

* 443 is the SSL/TLS port for HTTPS.
loResp = loHttp.SynchronousRequest("sheets.googleapis.com",443,1,loReq)
IF (loHttp.LastMethodSuccess <> 1) THEN
    ? loHttp.LastErrorText
    RELEASE loJsonToken
    RELEASE loReq
    RELEASE loHttp
    CANCEL
ENDIF

? loResp.BodyStr

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJson = CreateObject('Chilkat.JsonObject')
loJson.Load(loResp.BodyStr)

RELEASE loResp

* 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"
*         ]
*       ]
*     }
*   ]
* }

lcSpreadsheetId = loJson.StringOf("spreadsheetId")
i = 0
lnCount_i = loJson.SizeOfArray("valueRanges")
DO WHILE i < lnCount_i
    loJson.I = i
    lcRange = loJson.StringOf("valueRanges[i].range")
    lcMajorDimension = loJson.StringOf("valueRanges[i].majorDimension")
    j = 0
    lnCount_j = loJson.SizeOfArray("valueRanges[i].values")
    DO WHILE j < lnCount_j
        loJson.J = j
        k = 0
        lnCount_k = loJson.SizeOfArray("valueRanges[i].values[j]")
        DO WHILE k < lnCount_k
            loJson.K = k
            lcStrVal = loJson.StringOf("valueRanges[i].values[j][k]")
            k = k + 1
        ENDDO
        j = j + 1
    ENDDO
    i = i + 1
ENDDO

RELEASE loJsonToken
RELEASE loReq
RELEASE loHttp
RELEASE loJson