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import clickhouse from '@/lib/clickhouse';
import { FILTER_COLUMNS, GROUPED_DOMAINS, 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 = 'getPageviewExpandedMetrics';
export interface PageviewExpandedMetricsParameters {
type: string;
limit?: number | string;
offset?: number | string;
}
export interface PageviewExpandedMetricsData {
name: string;
pageviews: number;
visitors: number;
visits: number;
bounces: number;
totaltime: number;
}
export async function getPageviewExpandedMetrics(
...args: [websiteId: string, parameters: PageviewExpandedMetricsParameters, filters: QueryFilters]
) {
return runQuery({
[PRISMA]: () => relationalQuery(...args),
[CLICKHOUSE]: () => clickhouseQuery(...args),
});
}
async function relationalQuery(
websiteId: string,
parameters: PageviewExpandedMetricsParameters,
filters: QueryFilters,
): Promise<PageviewExpandedMetricsData[]> {
const { type, limit = 500, offset = 0 } = parameters;
let column = FILTER_COLUMNS[type] || type;
const { rawQuery, parseFilters, getTimestampDiffSQL } = prisma;
const { filterQuery, joinSessionQuery, cohortQuery, queryParams } = parseFilters(
{
...filters,
websiteId,
},
{ joinSession: SESSION_COLUMNS.includes(type) },
);
let entryExitQuery = '';
let excludeDomain = '';
if (column === 'referrer_domain') {
excludeDomain = `and website_event.referrer_domain != website_event.hostname
and website_event.referrer_domain != ''`;
if (type === 'domain') {
column = toPostgresGroupedReferrer(GROUPED_DOMAINS);
}
}
if (type === 'entry' || type === 'exit') {
const aggregrate = type === 'entry' ? 'min' : 'max';
entryExitQuery = `
join (
select visit_id,
${aggregrate}(created_at) target_created_at
from website_event
where website_event.website_id = {{websiteId::uuid}}
and website_event.created_at between {{startDate}} and {{endDate}}
and website_event.event_type != 2
group by visit_id
) x
on x.visit_id = website_event.visit_id
and x.target_created_at = website_event.created_at
`;
}
return rawQuery(
`
select
name,
sum(t.c) as "pageviews",
count(distinct t.session_id) as "visitors",
count(distinct t.visit_id) as "visits",
sum(case when t.c = 1 then 1 else 0 end) as "bounces",
sum(${getTimestampDiffSQL('t.min_time', 't.max_time')}) as "totaltime"
from (
select
${column} as 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}
${entryExitQuery}
where website_event.website_id = {{websiteId::uuid}}
and website_event.created_at between {{startDate}} and {{endDate}}
and website_event.event_type != 2
${excludeDomain}
${filterQuery}
group by ${column}, website_event.session_id, website_event.visit_id
) as t
where name != ''
group by name
order by visitors desc, visits desc
limit ${limit}
offset ${offset}
`,
queryParams,
FUNCTION_NAME,
);
}
async function clickhouseQuery(
websiteId: string,
parameters: PageviewExpandedMetricsParameters,
filters: QueryFilters,
): Promise<{ x: string; y: number }[]> {
const { type, limit = 500, offset = 0 } = parameters;
let column = FILTER_COLUMNS[type] || type;
const { rawQuery, parseFilters } = clickhouse;
const { filterQuery, cohortQuery, queryParams } = parseFilters({
...filters,
websiteId,
});
let excludeDomain = '';
let entryExitQuery = '';
if (column === 'referrer_domain') {
excludeDomain = `and referrer_domain != hostname and referrer_domain != ''`;
if (type === 'domain') {
column = toClickHouseGroupedReferrer(GROUPED_DOMAINS);
}
}
if (type === 'entry' || type === 'exit') {
const aggregrate = type === 'entry' ? 'argMin' : 'argMax';
column = `x.${column}`;
entryExitQuery = `
JOIN (select visit_id,
${aggregrate}(url_path, created_at) url_path
from website_event
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
and event_type != 2
group by visit_id) x
ON x.visit_id = website_event.visit_id`;
}
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}
${entryExitQuery}
where website_id = {websiteId:UUID}
and created_at between {startDate:DateTime64} and {endDate:DateTime64}
and event_type != 2
and name != ''
${excludeDomain}
${filterQuery}
group by name, session_id, visit_id
) as t
group by name
order by visitors desc, visits desc
limit ${limit}
offset ${offset}
`,
{ ...queryParams, ...parameters },
FUNCTION_NAME,
);
}
export function toClickHouseGroupedReferrer(
domains: any[],
column: string = 'referrer_domain',
): string {
return [
'CASE',
...domains.map(group => {
const matches = Array.isArray(group.match) ? group.match : [group.match];
const formattedArray = matches.map(m => `'${m}'`).join(', ');
return ` WHEN multiSearchAny(${column}, [${formattedArray}]) != 0 THEN '${group.domain}'`;
}),
" ELSE 'Other'",
'END',
].join('\n');
}
export function toPostgresGroupedReferrer(
domains: any[],
column: string = 'referrer_domain',
): string {
return [
'CASE',
...domains.map(group => {
const matches = Array.isArray(group.match) ? group.match : [group.match];
return `WHEN ${toPostgresLikeClause(column, matches)} THEN '${group.domain}'`;
}),
" ELSE 'Other'",
'END',
].join('\n');
}
function toPostgresLikeClause(column: string, arr: string[]) {
return arr.map(val => `${column} ilike '%${val.replace(/'/g, "''")}%'`).join(' OR\n ');
}
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