Rocket.Chat/app/api/server/v1/stats.js

import { API } from '../api';
import { getStatistics, getLastStatistics } from '../../../statistics/server';

API.v1.addRoute('statistics', { authRequired: true }, {
	get() {
		const { refresh } = this.requestParams();
		return API.v1.success(Promise.await(getLastStatistics({
			userId: this.userId,
			refresh: refresh && refresh === 'true',
		})));
	},
});

API.v1.addRoute('statistics.list', { authRequired: true }, {
	get() {
		const { offset, count } = this.getPaginationItems();
		const { sort, fields, query } = this.parseJsonQuery();

		return API.v1.success(Promise.await(getStatistics({
			userId: this.userId,
			query,
			pagination: {
				offset,
				count,
				sort,
				fields,
			},
		})));
	},
});