Google Drive - Company Copy

companyCopy.gs

/**
 * This script reviews specific folders and the files contained within it
 * to identify those not owned by your domain and then make subsequent copies
 * of those files which will be owned by you.
 *
 * Getting started:
 *   Set the COMPANY_DOMAIN
 *   Set the BASE_FOLDER
 */

var COMPANY_DOMAIN = ""; // eg @mycompany.com
var BASE_FOLDER_ID = "";


var BASE_FOLDER = DriveApp.getFolderById(BASE_FOLDER_ID);
var DATE = Date.now();
var SPREADSHEET = createTrackingSpreadsheet();
//var DEST_FOLDER = DriveApp.

function start() {
  traverseFolder(BASE_FOLDER);
}

/**
 * Creates a tracking spreadsheet which will contain the ID's of all converted files
 *
 * @return spreadsheet ID
 */
function createTrackingSpreadsheet() {
  var spreadsheet = SpreadsheetApp.create("fileOwnerConversion");
  var sheet = spreadsheet.getActiveSheet();
  sheet.appendRow(["Old ID","Old Owner Email", "New ID","New Owner Email"]);
  return spreadsheet;
}

/**
 * Enters ID and ownership information into a spreadsheet for both the new and old files
 *
 * @oldFileObj - File object
 * @newFileObj - File object of the new, domain-owned file
 */
function logConversion(oldFileObj, newFileObj) {
  var sheet = SPREADSHEET.getActiveSheet();
  sheet.appendRow([oldFileObj.getId(),oldFileObj.getOwner().getEmail(),newFileObj.getId(),newFileObj.getOwner().getEmail()]);
}

/**
 * Copies a file which will be owned by the running user
 * Logs the conversion in the dedicated spreadsheet
 *
 * @fileId - Id of the file which will be copied to your domain
 */
function convertFile(fileId) {
  var file = DriveApp.getFileById(fileId);
  var newFile = file.makeCopy(file.getName(), BASE_FOLDER);
  file.setName("DEL - "+file.getName());
  logConversion(file, newFile);
}

/**
 * Given a Folder, navigates through the entire sub-directory recursively to find files
 *
 * @folderObj - a Folder object
 * @parentFolder (optional) - the Folder object of the parent folder
 */
function traverseFolder(folderObj, parentFolder) {
    var folderSharingAccess = folderObj.getSharingAccess();
    var folderName = folderObj.getName();
    var folderUrl = folderObj.getUrl();
    var files = folderObj.getFiles();
    while (files.hasNext()) {
      var file = files.next();

      if (!checkEmailDomain(file)) {
        convertFile(file.getFileId());
      }
    }
    parentFolder = folderName;
    var subs = folderObj.getFolders();
    while (subs.hasNext()) {
      traverseFolder(subs.next());
    }
  }

/**
 * Checks an file-owner's e-mail address against the desired COMPANY_DOMAIN
 *
 * @fileObj - file to evaluate
 *
 * @return boolean
 */
function checkEmailDomain(fileObj) {
  if (fileObj.getOwner().getDomain() == COMPANY_DOMAIN) {
    return true;
  }
  else {
    return false;
  }
}