import React, { useState, useEffect, useMemo, useCallback } from 'react'; import { FormattedMessage } from 'react-intl'; import { subMinutes, startOfMinute } from 'date-fns'; import firstBy from 'thenby'; import Page from 'components/layout/Page'; import GridLayout, { GridRow, GridColumn } from 'components/layout/GridLayout'; import RealtimeChart from 'components/metrics/RealtimeChart'; import RealtimeLog from 'components/metrics/RealtimeLog'; import RealtimeHeader from 'components/metrics/RealtimeHeader'; import WorldMap from 'components/common/WorldMap'; import DataTable from 'components/metrics/DataTable'; import RealtimeViews from 'components/metrics/RealtimeViews'; import useFetch from 'hooks/useFetch'; import useLocale from 'hooks/useLocale'; import useCountryNames from 'hooks/useCountryNames'; import { percentFilter } from 'lib/filters'; import { SHARE_TOKEN_HEADER, REALTIME_RANGE, REALTIME_INTERVAL } from 'lib/constants'; import styles from './RealtimeDashboard.module.css'; function mergeData(state, data, time) { const ids = state.map(({ __id }) => __id); return state .concat(data.filter(({ __id }) => !ids.includes(__id))) .filter(({ created_at }) => new Date(created_at).getTime() >= time); } function filterWebsite(data, id) { return data.filter(({ website_id }) => website_id === id); } export default function RealtimeDashboard() { const { locale } = useLocale(); const countryNames = useCountryNames(locale); const [data, setData] = useState(); const [websiteId, setWebsiteId] = useState(0); const { data: init, loading } = useFetch('/realtime/init'); const { data: updates } = useFetch('/realtime/update', { params: { start_at: data?.timestamp }, disabled: !init?.websites?.length || !data, interval: REALTIME_INTERVAL, headers: { [SHARE_TOKEN_HEADER]: init?.token }, }); const renderCountryName = useCallback( ({ x }) => {countryNames[x]}, [countryNames], ); const realtimeData = useMemo(() => { if (data) { const { pageviews, sessions, events } = data; if (websiteId) { return { pageviews: filterWebsite(pageviews, websiteId), sessions: filterWebsite(sessions, websiteId), events: filterWebsite(events, websiteId), }; } } return data; }, [data, websiteId]); const countries = useMemo(() => { if (realtimeData?.sessions) { return percentFilter( realtimeData.sessions .reduce((arr, { country }) => { if (country) { const row = arr.find(({ x }) => x === country); if (!row) { arr.push({ x: country, y: 1 }); } else { row.y += 1; } } return arr; }, []) .sort(firstBy('y', -1)), ); } return []; }, [realtimeData?.sessions]); useEffect(() => { if (init && !data) { const { websites, data } = init; setData({ websites, ...data }); } }, [init]); useEffect(() => { if (updates) { const { pageviews, sessions, events, timestamp } = updates; const time = subMinutes(startOfMinute(new Date()), REALTIME_RANGE).getTime(); setData(state => ({ ...state, pageviews: mergeData(state.pageviews, pageviews, time), sessions: mergeData(state.sessions, sessions, time), events: mergeData(state.events, events, time), timestamp, })); } }, [updates]); if (!init || !data || loading) { return null; } const { websites } = data; return (
} metric={} data={countries} renderLabel={renderCountryName} />
); }