Rocket.Chat.ReactNative/app/lib/methods/getSettings.js

import { InteractionManager } from 'react-native';

import reduxStore from '../createStore';
// import { get } from './helpers/rest';
import database from '../realm';
import * as actions from '../../actions';
import log from '../../utils/log';

const getLastMessage = () => {
	const [setting] = database.objects('settings').sorted('_updatedAt', true);
	return setting && setting._updatedAt;
};

export default async function() {
	try {
		const lastMessage = getLastMessage();
		const result = await (!lastMessage ? this.ddp.call('public-settings/get') : this.ddp.call('public-settings/get', new Date(lastMessage)));

		const filteredSettings = this._prepareSettings(this._filterSettings(result.update || result));

		InteractionManager.runAfterInteractions(() =>
			database.write(() =>
				filteredSettings.forEach(setting => database.create('settings', setting, true))));
		reduxStore.dispatch(actions.addSettings(this.parseSettings(filteredSettings)));
	} catch (e) {
		log('getSettings', e);
	}
}