Google Sheets code to PDF generation

SheetsGeneratePDF.gs

// Simple function to send Weekly Status Sheets to contacts listed on the "Contacts" sheet in the MPD.

// Load a menu item called "Project Admin" with a submenu item called "Send Status"
// Running this, sends the currently open sheet, as a PDF attachment
function onOpen() {
  var submenu = [{name:"Email Lecture Form", functionName:"createLecturePDF"}];
  SpreadsheetApp.getActiveSpreadsheet().addMenu('Project Admin', submenu);  
}

function createLecturePDF() {
    // Set the Active Spreadsheet so we don't forget
  var originalSpreadsheet = SpreadsheetApp.getActive();
  
  // Set the message to attach to the email.
  var message = "Please see attached"; // Could make it a pop-up perhaps, but out of wine today
  
  /*
  // Get Project Name from Cell A1
  var projectname = originalSpreadsheet.getRange("A1:A1").getValues(); 
  // Get Reporting Period from Cell B3
  var period = originalSpreadsheet.getRange("B3:B3").getValues(); 
  // Construct the Subject Line
  var subject = projectname + " - Weekly Status Sheet - " + period;
  */
  var subject = "Weekly Lecture Form";
  
  /*
  // Get contact details from "Contacts" sheet and construct To: Header
  // Would be nice to include "Name" as well, to make contacts look prettier, one day.
  var contacts = originalSpreadsheet.getSheetByName("Contacts");
  var numRows = contacts.getLastRow();
  var emailTo = contacts.getRange(2, 2, numRows, 1).getValues();
  */
  var emailTo = "[email protected]";
  
  // Google scripts can't export just one Sheet from a Spreadsheet
  // So we have this disgusting hack

  // Create a new Spreadsheet and copy the current sheet into it.
  var newSpreadsheet = SpreadsheetApp.create("Spreadsheet to export");
  var sheet = SpreadsheetApp.getActiveSpreadsheet().getActiveSheet();
  var projectname = SpreadsheetApp.getActiveSpreadsheet();
  sheet = originalSpreadsheet.getActiveSheet();
  sheet.copyTo(newSpreadsheet);
  
  // Find and delete the default "Sheet 1", after the copy to avoid triggering an apocalypse
  newSpreadsheet.getSheetByName('Sheet1').activate();
  newSpreadsheet.deleteActiveSheet();
  
  //repace cell values with text (to avoid broken references) 
  var sourceRange = sheet.getRange(1,1,sheet.getMaxRows(),sheet.getMaxColumns());
  var sourcevalues = sourceRange.getValues();
  var destRange = newSpreadsheet.getActiveSheet().getRange(1, 1, sheet.getMaxRows(), sheet.getMaxColumns());
  destRange.setValues(sourcevalues);
  
  // Make zee PDF, currently called "Weekly status.pdf"
  // When I'm smart, filename will include a date and project name
  var pdf = DriveApp.getFileById(newSpreadsheet.getId()).getAs('application/pdf').getBytes();
  var attach = {fileName:'WeeklyLectureForm.pdf',content:pdf, mimeType:'application/pdf'};

  // Send the freshly constructed email 
  MailApp.sendEmail(emailTo, subject, message, {attachments:[attach]});
  
  // Delete the wasted sheet we created, so our Drive stays tidy.
  DriveApp.getFileById(newSpreadsheet.getId()).setTrashed(true);  
}

function generatePdf() {
  var sheetName = "Lecture Printout";
  var folderID = "use a folder id from google drive"; // Folder id to save in a folder.
  var pdfName = "Weekly Lecture Printout";

  var sourceSpreadsheet = SpreadsheetApp.getActive();
  var sourceSheet = sourceSpreadsheet.getSheetByName(sheetName);
  
  var thisFileId = sourceSpreadsheet.getId();
  var thisFile = DriveApp.getFileById(thisFileId);
  var folder = thisFile.getParents().next();
  // var folder = DriveApp.getFolderById(folderID);

  //Copy whole spreadsheet
  var destSpreadsheet = SpreadsheetApp.open(DriveApp.getFileById(sourceSpreadsheet.getId()).makeCopy("tmp_convert_to_pdf", folder))

  //delete redundant sheets
  var sheets = destSpreadsheet.getSheets();
  for (i = 0; i < sheets.length; i++) {
    if (sheets[i].getSheetName() != sheetName){
      destSpreadsheet.deleteSheet(sheets[i]);
    }
  }
  var destSheet = destSpreadsheet.getSheets()[0];

  //repace cell values with text (to avoid broken references) 
  var sourceRange = sourceSheet.getRange(1,1,sourceSheet.getMaxRows(),sourceSheet.getMaxColumns());
  var sourcevalues = sourceRange.getValues();
  var destRange = destSheet.getRange(1, 1, destSheet.getMaxRows(), destSheet.getMaxColumns());
  destRange.setValues(sourcevalues);

  //save to pdf
  var theBlob = destSpreadsheet.getBlob().getAs('application/pdf').setName(pdfName);
  var newFile = folder.createFile(theBlob);

  //Delete the temporary sheet
  DriveApp.getFileById(destSpreadsheet.getId()).setTrashed(true);
}