Apps Script for testing site content and sending email

CheckSiteForText.js

/**   Apps Script for testing site content and sending email  **/

function isSiteContainsString()
{
  
  // Get the URL of the Website to monitor
  var url = SpreadsheetApp.getActiveSheet().getRange("E2").getValue();
  var stringToSearch = SpreadsheetApp.getActiveSheet().getRange("F2").getValue();
  
  // HTTP Response Code of the last server request
  if (!ScriptProperties.getProperty("status")) {
    //ScriptProperties.setProperty("status", 200);
  }
  
  var response, error; 
  
  try {    
    
    // Fetch the web page using UrlFetchApp
    response = UrlFetchApp.fetch(url);
    
  } catch(error) 
  {   
    insertData(error, -1, "[dvlottery]Website down");
    return;
  }
  
  var code = response.getResponseCode();
  
  // code = 200 means the fetch request was successful
  if (code == 200) {
    var content = response.getContentText();
    
    if (content.search(stringToSearch) == 0) {
      
      insertData("Up", code, "[dvlottery]Website up! Gogogogoo!", content); 
      
    } else {
      insertData("Down", code, "[dvlottery]Down", content, true); 
    }
    
  } else {
    insertData(response.getContent()[0], code, "[dvlottery]Website down");
  }
}

function insertData(error, code, msg, content, dontSendMail) {  

  // Ignore if the error message is logged already
  //if (ScriptProperties.getProperty("status") == code)
  //return;
  
  // Log the server error in a Google Sheet
  
  var sheet = SpreadsheetApp.getActiveSheet();
  var email = sheet.getRange("G2").getValue();
  var row   = sheet.getLastRow() + 1;
  
  sheet.getRange(row,1).setValue(new Date());
  sheet.getRange(row,2).setValue(error);
  sheet.getRange(row,3).setValue(code);
  
  // Send an email alert for the downtime  
  
  ScriptProperties.setProperty("status", code);
  
  
  if (dontSendMail) {
    return;
  }
  
  MailApp.sendEmail(
    {
      to: email,
      subject: msg,
      htmlBody: error + content
    }
  );
}