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import clickhouse from '@/lib/clickhouse';
import { EVENT_COLUMNS } from '@/lib/constants';
import { CLICKHOUSE, PRISMA, runQuery } from '@/lib/db';
import prisma from '@/lib/prisma';
import type { QueryFilters } from '@/lib/types';
const FUNCTION_NAME = 'getWebsiteSessionStats';
export interface WebsiteSessionStatsData {
pageviews: number;
visitors: number;
visits: number;
countries: number;
events: number;
}
export async function getWebsiteSessionStats(
...args: [websiteId: string, filters: QueryFilters]
): Promise<WebsiteSessionStatsData[]> {
return runQuery({
[PRISMA]: () => relationalQuery(...args),
[CLICKHOUSE]: () => clickhouseQuery(...args),
});
}
async function relationalQuery(
websiteId: string,
filters: QueryFilters,
): Promise<WebsiteSessionStatsData[]> {
const { parseFilters, rawQuery } = prisma;
const { filterQuery, cohortQuery, queryParams } = parseFilters({
...filters,
websiteId,
});
return rawQuery(
`
select
count(*) as "pageviews",
count(distinct website_event.session_id) as "visitors",
count(distinct website_event.visit_id) as "visits",
count(distinct session.country) as "countries",
sum(case when website_event.event_type = 2 then 1 else 0 end) as "events"
from website_event
${cohortQuery}
join session on website_event.session_id = session.session_id
and website_event.website_id = session.website_id
where website_event.website_id = {{websiteId::uuid}}
and website_event.created_at between {{startDate}} and {{endDate}}
${filterQuery}
`,
queryParams,
FUNCTION_NAME,
);
}
async function clickhouseQuery(
websiteId: string,
filters: QueryFilters,
): Promise<WebsiteSessionStatsData[]> {
const { rawQuery, parseFilters } = clickhouse;
const { filterQuery, cohortQuery, queryParams } = parseFilters({ ...filters, websiteId });
let sql = '';
if (EVENT_COLUMNS.some(item => Object.keys(filters).includes(item))) {
sql = `
select
sumIf(1, event_type = 1) as "pageviews",
uniq(session_id) as "visitors",
uniq(visit_id) as "visits",
uniq(country) as "countries",
sum(length(event_name)) as "events"
from website_event
${cohortQuery}
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
${filterQuery}
`;
} else {
sql = `
select
sum(views) as "pageviews",
uniq(session_id) as "visitors",
uniq(visit_id) as "visits",
uniq(country) as "countries",
sum(length(event_name)) as "events"
from website_event_stats_hourly website_event
${cohortQuery}
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
${filterQuery}
`;
}
return rawQuery(sql, queryParams, FUNCTION_NAME);
}
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