(DataFlex) 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

Use ChilkatAx-win32.pkg

Procedure Test
    Handle hoJsonToken
    Boolean iSuccess
    Variant vReq
    Handle hoReq
    Handle hoHttp
    Variant vResp
    Handle hoResp
    Handle hoJson
    Integer i
    Integer iCount_i
    Integer j
    Integer iCount_j
    Integer k
    Integer iCount_k
    String sSpreadsheetId
    String sRange
    String sMajorDimension
    String sStrVal
    String sTemp1
    Boolean bTemp1

    // 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..
    Get Create (RefClass(cComChilkatJsonObject)) To hoJsonToken
    If (Not(IsComObjectCreated(hoJsonToken))) Begin
        Send CreateComObject of hoJsonToken
    End
    Get ComLoadFile Of hoJsonToken "qa_data/tokens/googleSheets.json" To iSuccess
    Get ComHasMember Of hoJsonToken "access_token" To bTemp1
    If (bTemp1 = False) Begin
        Showln "No access token found."
        Procedure_Return
    End

    // 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"
    Get Create (RefClass(cComChilkatHttpRequest)) To hoReq
    If (Not(IsComObjectCreated(hoReq))) Begin
        Send CreateComObject of hoReq
    End
    Set ComPath Of hoReq To "/v4/spreadsheets/spreadsheetId/values:batchGet"
    Set ComHttpVerb Of hoReq To "GET"
    // Add each range to fetch.
    Send ComAddParam To hoReq "ranges" "Sheet1!A1:A2"
    Send ComAddParam To hoReq "ranges" "Sheet1!B1:B2"

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End
    Get ComStringOf Of hoJsonToken "access_token" To sTemp1
    Set ComAuthToken Of hoHttp To sTemp1

    // 443 is the SSL/TLS port for HTTPS.
    Get pvComObject of hoReq to vReq
    Get ComSynchronousRequest Of hoHttp "sheets.googleapis.com" 443 True vReq To vResp
    If (IsComObject(vResp)) Begin
        Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
        Set pvComObject Of hoResp To vResp
    End
    Get ComLastMethodSuccess Of hoHttp To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComBodyStr Of hoResp To sTemp1
    Showln sTemp1

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComBodyStr Of hoResp To sTemp1
    Get ComLoad Of hoJson sTemp1 To iSuccess

    Send Destroy of hoResp

    // 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"
    //         ]
    //       ]
    //     }
    //   ]
    // }

    Get ComStringOf Of hoJson "spreadsheetId" To sSpreadsheetId
    Move 0 To i
    Get ComSizeOfArray Of hoJson "valueRanges" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJson To i
        Get ComStringOf Of hoJson "valueRanges[i].range" To sRange
        Get ComStringOf Of hoJson "valueRanges[i].majorDimension" To sMajorDimension
        Move 0 To j
        Get ComSizeOfArray Of hoJson "valueRanges[i].values" To iCount_j
        While (j < iCount_j)
            Set ComJ Of hoJson To j
            Move 0 To k
            Get ComSizeOfArray Of hoJson "valueRanges[i].values[j]" To iCount_k
            While (k < iCount_k)
                Set ComK Of hoJson To k
                Get ComStringOf Of hoJson "valueRanges[i].values[j][k]" To sStrVal
                Move (k + 1) To k
            Loop

            Move (j + 1) To j
        Loop

        Move (i + 1) To i
    Loop



End_Procedure