(Visual FoxPro) Google Sheets - Update (Set Values in a Range)

Sets values in a range of a spreadsheet. This example will demonstrate by first getting a range, then changing some values in the JSON, and then HTTPS PUT the changes back to the Google Sheet.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL lnSuccess
LOCAL loJsonToken
LOCAL loHttp
LOCAL lcJsonResponse
LOCAL loJson
LOCAL lcUrlToUpdate
LOCAL lcXyz
LOCAL loResp

lnSuccess = 0

* 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..
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

loHttp = CreateObject('Chilkat.Http')
loHttp.AuthToken = loJsonToken.StringOf("access_token")

* First get the cells in the range A1:B5
loHttp.SetUrlVar("range","Sheet1!A1:B5")
loHttp.SetUrlVar("spreadsheetId","1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA")
lcJsonResponse = loHttp.QuickGetStr("https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}")
IF (loHttp.LastMethodSuccess = 0) THEN
    ? loHttp.LastErrorText
    RELEASE loJsonToken
    RELEASE loHttp
    CANCEL
ENDIF

? lcJsonResponse

loJson = CreateObject('Chilkat.JsonObject')
loJson.EmitCompact = 0
loJson.Load(lcJsonResponse)

* A sample response is shown below.

* {
*   "range": "Sheet1!A1:B5",
*   "majorDimension": "ROWS",
*   "values": [
*     [
*       "Item",
*       "Cost"
*     ],
*     [
*       "Wheel",
*       "$20.50"
*     ],
*     [
*       "Door",
*       "$15"
*     ],
*     [
*       "Engine",
*       "$100"
*     ],
*     [
*       "Totals",
*       "$135.50"
*     ]
*   ]
* }

* We're going to change the cost of the Engine to $120, and the Totals to $155.50

loJson.I = 3
loJson.J = 1
loJson.UpdateString("values[i][j]","$120")
loJson.I = 4
loJson.UpdateString("values[i][j]","$155.50")

* Show the updated JSON.
? loJson.Emit()

* Update the Google Sheet using a PUT request.
loJson.EmitCompact = 1
lcUrlToUpdate = "https://sheets.googleapis.com/v4/spreadsheets/{$spreadsheetId}/values/{$range}?valueInputOption=USER_ENTERED"
lcXyz = loHttp.QuickGetStr(lcUrlToUpdate)
loResp = CreateObject('Chilkat.HttpResponse')
lnSuccess = loHttp.HttpJson("PUT",lcUrlToUpdate,loJson,"application/json",loResp)
IF (lnSuccess = 0) THEN
    ? loHttp.LastErrorText
    RELEASE loJsonToken
    RELEASE loHttp
    RELEASE loJson
    RELEASE loResp
    CANCEL
ENDIF

* Examine the response..
? "response status code = " + STR(loResp.StatusCode)
? "response body:"
? loResp.BodyStr

* A sample response body:

* {
*   "spreadsheetId": "1_SO2L-Y6nCayNpNppJLF0r9yHB2UnaCleGCKeE4O0SA",
*   "updatedRange": "Sheet1!A1:B5",
*   "updatedRows": 5,
*   "updatedColumns": 2,
*   "updatedCells": 10
* }

RELEASE loJsonToken
RELEASE loHttp
RELEASE loJson
RELEASE loResp