Google Sheets: Values, Sum Numbers

// (c) 2019, Questetra, Inc. (the MIT License)

//// == OAuth2 Setting example ==
// Authorization Endpoint URL:
//  "https://accounts.google.com/o/oauth2/auth?access_type=offline&approval_prompt=force"
// Token Endpoint URL:
//  "https://accounts.google.com/o/oauth2/token"
// Scope:
//  "https://www.googleapis.com/auth/spreadsheets.readonly"
// Client ID:
//  ( from https://console.developers.google.com/ )
// Consumer Secret:
//  ( from https://console.developers.google.com/ )
//  *Redirect URL of Webapp OAuth-Client-ID: "https://s.questetra.net/oauth2callback"

//// https://developers.google.com/sheets/api/guides/concepts#a1_notation
// Sheet1!A1:B2 refers to the first two cells in the top two rows of Sheet1.
// Sheet1!A:A refers to all the cells in the first column of Sheet1.
// Sheet1!1:2 refers to the all the cells in the first two rows of Sheet1.
// Sheet1!A5:A refers to all the cells of the first column of Sheet 1, from row 5 onward.
// A1:B2 refers to the first two cells in the top two rows of the first visible sheet.
// Sheet1 refers to all the cells in Sheet1.

//////// START "main()" ////////
main();
function main(){ 

//// == Config Retrieving / 工程コンフィグの参照 ==
const oauth2      = configs.get( "conf_OAuth2"  ) + "";     // required
const documentId  = configs.get( "conf_DocumentId" ) + "";  // required
const valueRange1 = configs.get( "conf_ValueRange1" ) + ""; // required
const dataIdD1    = configs.get( "conf_DataIdD1" ) + "";    // required
const valueRange2 = configs.get( "conf_ValueRange2" ) + ""; // not required
const dataIdD2    = configs.get( "conf_DataIdD2" ) + "";    // not required
// 'java.lang.String' (String Obj) to javascript primitive 'string'

engine.log( " AutomatedTask Config: Document ID: " + documentId );
engine.log( " AutomatedTask Config: ValueRange1: " + valueRange1 );
engine.log( " AutomatedTask Config: ValueRange2: " + valueRange2 );


//// == Data Retrieving / ワークフローデータの参照 ==
// (nothing)


//// == Calculating / 演算 ==
/// obtain OAuth2 Access Token
const token   = httpClient.getOAuth2Token( oauth2 );

/// get one or two ranges of values via Google Sheets API v4
// https://developers.google.com/sheets/api/reference/rest
//  /v4/spreadsheets.values/batchGet
let apiRequest = httpClient.begin(); // HttpRequestWrapper
    apiRequest = apiRequest.bearer( token );
    apiRequest = apiRequest.queryParam( "ranges", valueRange1 ); 
    if( valueRange2 !== ""){
      apiRequest = apiRequest.queryParam( "ranges", valueRange2 ); 
    }
    apiRequest = apiRequest.queryParam( "majorDimension", "COLUMNS" ); 
    apiRequest = apiRequest.queryParam( "valueRenderOption", "UNFORMATTED_VALUE" ); 
                 // Even if formatted as currency, return "1.23" not "$1.23".
    apiRequest = apiRequest.queryParam( "dateTimeRenderOption", "FORMATTED_STRING" ); 
                 // Date as strings (the spreadsheet locale) not SERIAL_NUMBER
const apiUri = "https://sheets.googleapis.com/v4/spreadsheets/" +
                documentId + "/values:batchGet";
engine.log( " AutomatedTask Trying: GET " + apiUri );
const response = apiRequest.get( apiUri );
const responseCode = response.getStatusCode() + "";
engine.log( " AutomatedTask ApiResponse: Status " + responseCode );
if( responseCode !== "200"){
  throw new Error( "\n AutomatedTask UnexpectedResponseError: " +
         responseCode + "\n" + response.getResponseAsString() + "\n" );
}
const responseStr = response.getResponseAsString() + "";
const responseObj = JSON.parse( responseStr );
engine.log( responseStr );

let sum1 = 0;
  for( let j = 0; j < responseObj.valueRanges[0].values.length; j++ ){
    for( let k = 0; k < responseObj.valueRanges[0].values[j].length; k++ ){
      if( !isNaN( parseFloat( responseObj.valueRanges[0].values[j][k] ) ) ){
        sum1 += parseFloat( responseObj.valueRanges[0].values[j][k] );
      }
    }
  }
engine.log( " AutomatedTask Sum of ValueRange1: " + sum1 );

let sum2 = 0;
if( valueRange2 !== ""){
  for( let j = 0; j < responseObj.valueRanges[1].values.length; j++ ){
    for( let k = 0; k < responseObj.valueRanges[1].values[j].length; k++ ){
      if( !isNaN( parseFloat( responseObj.valueRanges[1].values[j][k] ) ) ){
        sum2 += parseFloat( responseObj.valueRanges[1].values[j][k] );
      }
    }
  }
  engine.log( " AutomatedTask Sum of ValueRange2: " + sum2 );
}


//// == Data Updating / ワークフローデータへの代入 ==
engine.setDataByNumber( dataIdD1, new java.math.BigDecimal( sum1 ) );
if ( dataIdD2 !== "" ){ 
  engine.setDataByNumber( dataIdD2, new java.math.BigDecimal( sum2 ) );
}


} //////// END "main()" ////////