umami/queries/analytics/events/getEventUsage.ts

import clickhouse from 'lib/clickhouse';
import { CLICKHOUSE, PRISMA, runQuery, notImplemented } from 'lib/db';

export function getEventUsage(...args: [websiteIds: string[], startDate: Date, endDate: Date]) {
  return runQuery({
    [PRISMA]: notImplemented,
    [CLICKHOUSE]: () => clickhouseQuery(...args),
  });
}

function clickhouseQuery(websiteIds: string[], startDate: Date, endDate: Date) {
  const { rawQuery } = clickhouse;

  return rawQuery(
    `
    select 
      website_id as websiteId,
      count(*) as count
    from website_event 
    where website_id in {websiteIds:Array(UUID)}
      and created_at between {startDate:DateTime64} and {endDate:DateTime64}
    group by website_id
    `,
    {
      websiteIds,
      startDate,
      endDate,
    },
  );
}