Rocket.Chat/app/statistics/server/methods/getStatistics.js

import { Meteor } from 'meteor/meteor';

import { hasPermission } from '../../../authorization';
import { Statistics } from '../../../models';
import { statistics } from '../statisticsNamespace';

Meteor.methods({
	getStatistics(refresh) {
		if (!Meteor.userId()) {
			throw new Meteor.Error('error-invalid-user', 'Invalid user', { method: 'getStatistics' });
		}

		if (hasPermission(Meteor.userId(), 'view-statistics') !== true) {
			throw new Meteor.Error('error-not-allowed', 'Not allowed', { method: 'getStatistics' });
		}

		if (refresh) {
			return statistics.save();
		}
		return Statistics.findLast();
	},
});