umami/queries/analytics/stats/getWebsiteStats.js

import { CLICKHOUSE, RELATIONAL } from 'lib/constants';
import { getDateQuery, getTimestampInterval, parseFilters, rawQuery } from 'lib/relational';
import { runAnalyticsQuery } from 'lib/db';
import clickhouse from 'lib/clickhouse';

export async function getWebsiteStats(...args) {
  return runAnalyticsQuery({
    [RELATIONAL]: () => relationalQuery(...args),
    [CLICKHOUSE]: () => clickhouseQuery(...args),
  });
}

async function relationalQuery(website_id, start_at, end_at, filters = {}) {
  const params = [website_id, start_at, end_at];
  const { pageviewQuery, sessionQuery, joinSession } = parseFilters(
    'pageview',
    null,
    filters,
    params,
  );

  return rawQuery(
    `
      select sum(t.c) as "pageviews",
        count(distinct t.session_id) as "uniques",
        sum(case when t.c = 1 then 1 else 0 end) as "bounces",
        sum(t.time) as "totaltime"
      from (
         select pageview.session_id,
           ${getDateQuery('pageview.created_at', 'hour')},
           count(*) c,
           ${getTimestampInterval('pageview.created_at')} as "time"
         from pageview
           ${joinSession}
         where pageview.website_id=$1
         and pageview.created_at between $2 and $3
         ${pageviewQuery}
         ${sessionQuery}
         group by 1, 2
     ) t
    `,
    params,
  );
}

async function clickhouseQuery(website_id, start_at, end_at, filters = {}) {
  const params = [website_id];
  const { pageviewQuery, sessionQuery, joinSession } = clickhouse.parseFilters(
    'pageview',
    null,
    filters,
    params,
    'session_uuid',
  );

  return clickhouse.rawQuery(
    `
      select 
        sum(t.c) as "pageviews",
        count(distinct t.session_uuid) as "uniques",
        sum(if(t.c = 1, 1, 0)) as "bounces",
        sum(if(max_time < min_time + interval 1 hour, max_time-min_time, 0)) as "totaltime"
      from (
        select pageview.session_uuid,
          ${clickhouse.getDateQuery('pageview.created_at', 'day')} time_series,
          count(*) c,
          min(created_at) min_time,
          max(created_at) max_time
        from pageview
          ${joinSession}
        where pageview.website_id = $1
          and ${clickhouse.getBetweenDates('pageview.created_at', start_at, end_at)}
          ${pageviewQuery}
          ${sessionQuery}
        group by pageview.session_uuid, time_series
      ) t;
    `,
    params,
  );
}