function onOpen() { SpreadsheetApp.getUi().createMenu('Impor | ZERO API

function onOpen() {
SpreadsheetApp.getUi().createMenu("Import Excel file")
.addItem("Import Excel file from Drive", "main")
.addToUi();
}

function main() {
let fileName = promptUser("Enter the name of the Excel file to import:");
if(fileName === null) {
toast("Please enter a valid filename.");
return;
}
let sheetName = promptUser(Enter the name of the sheet in ${fileName} to import:);
if(sheetName === null) {
toast("Please enter a valid sheet.");
return;
}
toast(Importing ${sheetName} from ${fileName} ...);
let spreadsheetId = convertExcelToGoogleSheets(fileName);
let importedSheetName = importDataFromSpreadsheet(spreadsheetId, sheetName);
toast(Successfully imported data from ${sheetName} in ${fileName} to ${importedSheetName});
}

function toast(message) {
SpreadsheetApp.getActive().toast(message);
}

function promptUser(message) {
let ui = SpreadsheetApp.getUi();
let response = ui.prompt(message);
if(response != null && response.getSelectedButton() === ui.Button.OK) {
return response.getResponseText();
} else {
return null;
}
}

function convertExcelToGoogleSheets(fileName) {
let files = DriveApp.getFilesByName(fileName);
let excelFile = null;
if(files.hasNext())
excelFile = files.next();
else
return null;
let blob = excelFile.getBlob();
let config = {
title: "[Google Sheets] " + excelFile.getName(),
parents: [{id: excelFile.getParents().next().getId()}],
mimeType: MimeType.GOOGLE_SHEETS
};
let spreadsheet = Drive.Files.insert(config, blob);
return spreadsheet.id;
}

function importDataFromSpreadsheet(spreadsheetId, sheetName) {
let spreadsheet = SpreadsheetApp.openById(spreadsheetId);
let currentSpreadsheet = SpreadsheetApp.getActive();
let newSheet = currentSpreadsheet.insertSheet();
let dataToImport = spreadsheet.getSheetByName(sheetName).getDataRange();
let range = newSheet.getRange(1,1,dataToImport.getNumRows(), dataToImport.getNumColumns());
range.setValues(dataToImport.getValues());
return newSheet.getName();
}