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import clickhouse from '@/lib/clickhouse';
import { EVENT_TYPE, FILTER_COLUMNS, SESSION_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 = 'getEventExpandedMetrics';
export interface EventExpandedMetricParameters {
type: string;
limit?: string;
offset?: string;
}
export interface EventExpandedMetricData {
name: string;
pageviews: number;
visitors: number;
visits: number;
bounces: number;
totaltime: number;
}
export async function getEventExpandedMetrics(
...args: [websiteId: string, parameters: EventExpandedMetricParameters, filters: QueryFilters]
): Promise<EventExpandedMetricData[]> {
return runQuery({
[PRISMA]: () => relationalQuery(...args),
[CLICKHOUSE]: () => clickhouseQuery(...args),
});
}
async function relationalQuery(
websiteId: string,
parameters: EventExpandedMetricParameters,
filters: QueryFilters,
) {
const { type, limit = 500, offset = 0 } = parameters;
const column = FILTER_COLUMNS[type] || type;
const { rawQuery, parseFilters, getTimestampDiffSQL } = prisma;
const { filterQuery, cohortQuery, joinSessionQuery, queryParams } = parseFilters(
{
...filters,
websiteId,
eventType: EVENT_TYPE.customEvent,
},
{ joinSession: SESSION_COLUMNS.includes(type) },
);
return rawQuery(
`
select
name,
sum(t.c) as "pageviews",
count(distinct t.session_id) as "visitors",
count(distinct t.visit_id) as "visits",
sum(case when t.c = 1 then 1 else 0 end) as "bounces",
sum(${getTimestampDiffSQL('t.min_time', 't.max_time')}) as "totaltime"
from (
select
${column} name,
website_event.session_id,
website_event.visit_id,
count(*) as "c",
min(website_event.created_at) as "min_time",
max(website_event.created_at) as "max_time"
from website_event
${cohortQuery}
${joinSessionQuery}
where website_event.website_id = {{websiteId::uuid}}
and website_event.created_at between {{startDate}} and {{endDate}}
${filterQuery}
group by name, website_event.session_id, website_event.visit_id
) as t
group by name
order by visitors desc, visits desc
limit ${limit}
offset ${offset}
`,
queryParams,
FUNCTION_NAME,
);
}
async function clickhouseQuery(
websiteId: string,
parameters: EventExpandedMetricParameters,
filters: QueryFilters,
): Promise<EventExpandedMetricData[]> {
const { type, limit = 500, offset = 0 } = parameters;
const column = FILTER_COLUMNS[type] || type;
const { rawQuery, parseFilters } = clickhouse;
const { filterQuery, cohortQuery, queryParams } = parseFilters({
...filters,
websiteId,
eventType: EVENT_TYPE.customEvent,
});
return rawQuery(
`
select
name,
sum(t.c) as "pageviews",
uniq(t.session_id) as "visitors",
uniq(t.visit_id) as "visits",
sum(if(t.c = 1, 1, 0)) as "bounces",
sum(max_time-min_time) as "totaltime"
from (
select
${column} name,
session_id,
visit_id,
count(*) c,
min(created_at) min_time,
max(created_at) max_time
from website_event
${cohortQuery}
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
and name != ''
${filterQuery}
group by name, session_id, visit_id
) as t
group by name
order by visitors desc, visits desc
limit ${limit}
offset ${offset}
`,
{ ...queryParams, ...parameters },
FUNCTION_NAME,
);
}
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