text: import { OEmbed } from 'meteor/rocketchat:oembed';
  import _ from 'underscore';
  
  RocketChat.Migrations.add({
  	version: 7,
  	up() {
  		console.log('Populate urls in messages');
  
  		const query = RocketChat.models.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');
  	},
  });
  