Rocket.Chat.ReactNative/app/lib/methods/getPermissions.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('permissions').sorted('_updatedAt', true)[0];
	return setting && setting._updatedAt;
};


export default async function() {
	try {
		const lastMessage = getLastMessage();
		const result = await (!lastMessage ? this.ddp.call('permissions/get') : this.ddp.call('permissions/get', new Date(lastMessage)));
		const permissions = this._preparePermissions(result.update || result);
		InteractionManager.runAfterInteractions(() => database.write(() =>
			permissions.forEach(permission => database.create('permissions', permission, true))));
		reduxStore.dispatch(actions.setAllPermissions(this.parsePermissions(permissions)));
	} catch (e) {
		log('getPermissions', e);
	}
}