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import clickhouse from '@/lib/clickhouse';
import { EVENT_TYPE } from '@/lib/constants';
import { CLICKHOUSE, PRISMA, runQuery } from '@/lib/db';
import prisma from '@/lib/prisma';
import type { QueryFilters } from '@/lib/types';
const FUNCTION_NAME = 'getEventStats';
interface WebsiteEventMetric {
x: string;
t: string;
y: number;
}
export async function getEventStats(
...args: [websiteId: string, filters: QueryFilters]
): Promise<WebsiteEventMetric[]> {
return runQuery({
[PRISMA]: () => relationalQuery(...args),
[CLICKHOUSE]: () => clickhouseQuery(...args),
});
}
async function relationalQuery(websiteId: string, filters: QueryFilters) {
const { timezone = 'utc', unit = 'day' } = filters;
const { rawQuery, getDateSQL, parseFilters } = prisma;
const { filterQuery, cohortQuery, joinSessionQuery, queryParams } = parseFilters({
...filters,
websiteId,
eventType: EVENT_TYPE.customEvent,
});
return rawQuery(
`
select
event_name x,
${getDateSQL('website_event.created_at', unit, timezone)} t,
count(*) y
from website_event
${cohortQuery}
${joinSessionQuery}
where website_event.website_id = {{websiteId::uuid}}
and website_event.created_at between {{startDate}} and {{endDate}}
${filterQuery}
group by 1, 2
order by 2
`,
queryParams,
FUNCTION_NAME,
);
}
async function clickhouseQuery(
websiteId: string,
filters: QueryFilters,
): Promise<{ x: string; t: string; y: number }[]> {
const { timezone = 'UTC', unit = 'day' } = filters;
const { rawQuery, getDateSQL, parseFilters } = clickhouse;
const { filterQuery, cohortQuery, queryParams } = parseFilters({
...filters,
websiteId,
eventType: EVENT_TYPE.customEvent,
});
let sql = '';
if (filterQuery || cohortQuery) {
sql = `
select
event_name x,
${getDateSQL('created_at', unit, timezone)} t,
count(*) y
from website_event
${cohortQuery}
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
${filterQuery}
group by x, t
order by t
`;
} else {
sql = `
select
event_name x,
${getDateSQL('created_at', unit, timezone)} t,
count(*) y
from (
select arrayJoin(event_name) as event_name,
created_at
from website_event_stats_hourly website_event
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
and event_type = {eventType:UInt32}
) as g
group by x, t
order by t
`;
}
return rawQuery(sql, queryParams, FUNCTION_NAME);
}
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