umami/components/pages/RealtimeDashboard.js

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import React, { useState, useEffect, useMemo, useCallback } from 'react';
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import { FormattedMessage } from 'react-intl';
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import { subMinutes, startOfMinute } from 'date-fns';
import firstBy from 'thenby';
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import Page from 'components/layout/Page';
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import GridLayout, { GridRow, GridColumn } from 'components/layout/GridLayout';
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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';
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import RealtimeViews from 'components/metrics/RealtimeViews';
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import useFetch from 'hooks/useFetch';
import useLocale from 'hooks/useLocale';
import useCountryNames from 'hooks/useCountryNames';
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import { percentFilter } from 'lib/filters';
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import { TOKEN_HEADER, REALTIME_RANGE, REALTIME_INTERVAL } from 'lib/constants';
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import styles from './RealtimeDashboard.module.css';
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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);
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}
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function filterWebsite(data, id) {
return data.filter(({ website_id }) => website_id === id);
}
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export default function RealtimeDashboard() {
const [locale] = useLocale();
const countryNames = useCountryNames(locale);
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const [data, setData] = useState();
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const [websiteId, setWebsiteId] = useState(0);
const { data: init, loading } = useFetch('/api/realtime/init');
const { data: updates } = useFetch('/api/realtime/update', {
params: { start_at: data?.timestamp },
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disabled: !init?.websites?.length || !data,
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interval: REALTIME_INTERVAL,
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headers: { [TOKEN_HEADER]: init?.token },
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});
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const renderCountryName = useCallback(
({ x }) => <span className={locale}>{countryNames[x]}</span>,
[countryNames],
);
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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),
};
}
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}
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return data;
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}, [data, websiteId]);
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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 [];
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}, [realtimeData?.sessions]);
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useEffect(() => {
if (init && !data) {
const { websites, data } = init;
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setData({ websites, ...data });
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}
}, [init]);
useEffect(() => {
if (updates) {
const { pageviews, sessions, events, timestamp } = updates;
const time = subMinutes(startOfMinute(new Date()), REALTIME_RANGE).getTime();
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setData(state => ({
...state,
pageviews: mergeData(state.pageviews, pageviews, time),
sessions: mergeData(state.sessions, sessions, time),
events: mergeData(state.events, events, time),
timestamp,
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}));
}
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}, [updates]);
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if (!init || !data || loading) {
return null;
}
const { websites } = data;
return (
<Page>
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<RealtimeHeader
websites={websites}
websiteId={websiteId}
data={{ ...realtimeData, countries }}
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onSelect={setWebsiteId}
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/>
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<div className={styles.chart}>
<RealtimeChart
websiteId={websiteId}
data={realtimeData}
unit="minute"
records={REALTIME_RANGE}
/>
</div>
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<GridLayout>
<GridRow>
<GridColumn xs={12} lg={4}>
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<RealtimeViews websiteId={websiteId} data={realtimeData} websites={websites} />
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</GridColumn>
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<GridColumn xs={12} lg={8}>
<RealtimeLog data={realtimeData} websites={websites} />
</GridColumn>
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</GridRow>
<GridRow>
<GridColumn xs={12} lg={4}>
<DataTable
title={<FormattedMessage id="metrics.countries" defaultMessage="Countries" />}
metric={<FormattedMessage id="metrics.visitors" defaultMessage="Visitors" />}
data={countries}
renderLabel={renderCountryName}
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height={500}
/>
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</GridColumn>
<GridColumn xs={12} lg={8}>
<WorldMap data={countries} />
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</GridColumn>
</GridRow>
</GridLayout>
</Page>
);
}