acces report maker

cache = CacheService.getPublicCache();
  
ss = SpreadsheetApp.getActiveSpreadsheet();
tsheet = ss.getSheets()[0];

userslist = [];
n = 1;
r = 0;
deep = '';

function fillSpreadsheet(){
 tsheet.clear();
var folder = DriveApp.getRootFolder();
//var folder = DriveApp.getFolderById('0B4v1Xdm8NczzcmkxRXI1YUhqOEk');
  
 Rec(folder, ''); 
}

function Rec(folder, deep) {
  if (deep.length/2 > 4) {
    return;
  }
  n++;
  deep = deep + '..';
  var cell = tsheet.getRange(n, 1);
  cell.setValue(deep + folder.getName()) ; 
  cell = tsheet.getRange(n, 2);
  cell.setValue(folder.getId()) ; 
  var k = 0;   
  
 
  setRights(folder.getViewers(), n, 'r');
  setRights(folder.getEditors(), n, 'e');
  setRights([folder.getOwner()], n, 'o');
  var folders = getSortedFolders(folder.getFolders())
  
  for(var i=0; i<folders.length; i++) {    
    Rec(folders[i], deep /*prefix + '.' + (i+1)*/);
     
  }  
  deep = deep.substr(0, deep.length-3);
 
}

function getSortedFolders(folderslist) {
  var folderName = [];
  var tmp = [];
  
  while (folderslist.hasNext()) {
    var nextfolder = folderslist.next();
    
    //tmp.push(nextfolder.getId());
    tmp.push(nextfolder);
    folderName.push(nextfolder.getName());
  }
  
  folderName.sort();  
  var result = [];
  for(var i=0; i<folderName.length; i++) {
    var j = 0
    while ((j<tmp.length) && (folderName[i] != tmp[j].getName())) {
      j++
    }
    result.push(tmp[j]);//.getId());
  }
  return result;
}

function setRights(list, row, access) {
   for (var i = 0; i<list.length; i++) {
     var position = getUserPosition(list[i].getEmail(), userslist);
     var cell = tsheet.getRange(row, position);
     cell.setValue(access);
   }
}

function getUserPosition(searchValue, searchArray) {
	for (var i = 0; i < searchArray.length; i++) {
		if (searchValue == searchArray[i]) {
			return i+3;
		}
	}
	searchArray.push(searchValue);
    var cell = tsheet.getRange(1, i+3);
    cell.setValue(searchValue);
    return i+3;

}

////


function onEdit(event) {  
 var sheet = event.source.getActiveSheet();
 var actRng = event.source.getActiveRange();
 var index = actRng.getRowIndex();
 var cindex = actRng.getColumnIndex();
  
  var folderid = sheet.getRange(index, 2).getValue();
  var usermail = sheet.getRange(1, cindex).getValue();
  var access = folderid + ';' + usermail + ';' + event.value + '|';
// var lastCell = sheet.getRange(index+1,cindex);
 var cashed = cache.get('access');
 if (!!cashed) {
    access = cashed + access;
    cache.remove('access');
  }
  cache.put('access', access);  
//  var c = cache.get('access');  
//  lastCell.setValue(c);  
  
}

function onOpen() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var menu = [{name: "Загрузить данные", functionName: "fillSpreadsheet"},{name: "Раздать доступ", functionName: "setAccess"}];
  ss.addMenu("Доступ", menu);
}

function setAccess () {
/* var cell = tsheet.getRange(3, 11);  */
  var accessarray =  cache.get('access').split('|');
  cache.remove('access');  
  for (var i=0; i<accessarray.length-1; i++) {
    var values = accessarray[i].split(';');    
    var folder = DriveApp.getFolderById(values[0]);
    if (isUserInArray (values[1], folder.getEditors())) {
      folder.removeEditor(values[1]);
    }
    if (isUserInArray (values[1], folder.getViewers())) {
      folder.removeViewer(values[1]);
    }
    if (values[2] == 'e') {
      folder.addEditor(values[1]);
    } 
    if (values[2] == 'r'){
      folder.addViewer(values[1]);
    }   
  }
}

function isUserInArray (searchValue, searchArray) {
  for (var i = 0; i < searchArray.length; i++) {
		if (searchValue == searchArray[i].getEmail()) {
			return true;
		}
	}
  return false
}