text: // Copyright Epic Games, Inc. All Rights Reserved.
  const fs = require('fs');
  const path = require('path');
  
  // Read in users from file
  let records = [];
  let usersFile = path.join(__dirname, './users.json');
  if (fs.existsSync(usersFile)) {
    console.log(`Reading users from '${usersFile}'`)
    var content = fs.readFileSync(usersFile, 'utf8');
    try {
      records = JSON.parse(content);
    } catch(e) {
      console.log(`ERROR: Failed to parse users from file '${usersFile}'`)
    }
  }
  
  exports.findById = function(id, cb) {
      var idx = id - 1;
      if (records[idx]) {
        cb(null, records[idx]);
      } else {
        cb(new Error('User ' + id + ' does not exist'));
      }
  }
  
  exports.findByUsername = function(username, cb) {
      for (var i = 0, len = records.length; i < len; i++) {
        var record = records[i];
        if (record.username === username) {
          return cb(null, record);
        }
      }
      return cb(null, null);
  }
  