Google Apps Script: Weekly Report

// Slice dates give double digit mm & dd
function sliceit(x) {
  thing = ("0" + (x)).slice(-2);
  return thing
}

// Get Monday
function dateDiff() {
  var day = d.getDay(),
      diff = d.getDate() - day + (day == 0 ? -6:1); // adjust when day is sunday
  return diff
}

// Get date & create name of document
function setName() {
  d = new Date();
  diff = dateDiff(d);
  thatmonday = new Date(d.setDate(diff));
  thatfriday = new Date(d.setDate(thatmonday.getDate() + 4));
  newformat = 'Completed ' + thatmonday.getFullYear() + '_' + sliceit(thatmonday.getMonth() + 1) + '/' +
    sliceit(thatmonday.getDate()) + ' - ' + sliceit(thatfriday.getMonth() + 1) + '/' + sliceit(thatfriday.getDate())
  return newformat
}

// Write each day of the week in document
function writeDays(step) {
  d = new Date();
  var days = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
  eachday = new Date(d.setDate(diff + step));
  eachdayformat = days[eachday.getDay()] + ' ' + sliceit((eachday.getMonth() + 1)) + '/' + sliceit(eachday.getDate()) + ':';
  return eachdayformat
}

// Move from root to work folder
function moveFile(file, folder) {
  folder.addFile(file);
  DriveApp.getRootFolder().removeFile(file);
}

function myFunction() {
  // Create document
  var folder = DriveApp.getFolderById("EnterYourFolderIDNumberHere");
  var doc = DocumentApp.create(setName());
  var file = DriveApp.getFileById(doc.getId());
  var body = doc.getBody();

  // For loop write days of the week and assign bullet points
  for (step = 0; step < 5; step++){
    body.appendParagraph(writeDays(step));
    body.appendListItem("\n").setGlyphType(DocumentApp.GlyphType.BULLET);
  }

  moveFile(file, folder);
}