habitica/migrations/users/account-transfer.js

/*
let migrationName = 'AccountTransfer';
let authorName = 'TheHollidayInn'; // in case script author needs to know when their ...
let authorUuid = ''; // ... own data is done
*/

/*
 * This migraition will copy user data from prod to test
 */

const monk = require('monk');
const connectionString = '';
const Users = monk(connectionString).get('users', { castIds: false });

module.exports = async function accountTransfer () {
  const fromAccountId = '';
  const toAccountId = '';

  const fromAccount = await Users.findOne({_id: fromAccountId});
  const toAccount = await Users.findOne({_id: toAccountId});

  const newMounts = Object.assign({}, fromAccount.items.mounts, toAccount.items.mounts);
  const newPets = Object.assign({}, fromAccount.items.pets, toAccount.items.pets);
  const newBackgrounds = Object.assign({}, fromAccount.purchased.background, toAccount.purchased.background);

  await Users.update({_id: toAccountId}, {
    $set: {
      'items.pets': newPets,
      'items.mounts': newMounts,
      'purchased.background': newBackgrounds,
    },
  })
    .then((result) => {
      console.log(result);
    });
};