Rocket.Chat/server/startup/migrations/v007.js

import _ from 'underscore';

import { OEmbed } from '../../../app/oembed/server';
import { Migrations } from '../../../app/migrations';
import { Messages } from '../../../app/models';

Migrations.add({
	version: 7,
	up() {
		console.log('Populate urls in messages');

		const query = Messages.find({
			'urls.0': {
				$exists: true,
			},
		});

		const count = query.count();

		query.forEach((message, index) => {
			console.log(`${ index + 1 } / ${ count }`);

			message.urls = message.urls.map((url) => {
				if (_.isString(url)) {
					return {
						url,
					};
				}
				return url;
			});

			return OEmbed.rocketUrlParser(message);
		});

		return console.log('End');
	},
});