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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';
export interface BreakdownParameters {
startDate: Date;
endDate: Date;
fields: string[];
}
export interface BreakdownData {
x: string;
y: number;
}
export async function getBreakdown(
...args: [websiteId: string, parameters: BreakdownParameters, filters: QueryFilters]
) {
return runQuery({
[PRISMA]: () => relationalQuery(...args),
[CLICKHOUSE]: () => clickhouseQuery(...args),
});
}
async function relationalQuery(
websiteId: string,
parameters: BreakdownParameters,
filters: QueryFilters,
): Promise<BreakdownData[]> {
const { getTimestampDiffSQL, parseFilters, rawQuery } = prisma;
const { startDate, endDate, fields } = parameters;
const { filterQuery, joinSessionQuery, cohortQuery, queryParams } = parseFilters(
{
...filters,
websiteId,
startDate,
endDate,
eventType: EVENT_TYPE.pageView,
},
{
joinSession: !!fields.find((name: string) => SESSION_COLUMNS.includes(name)),
},
);
return rawQuery(
`
select
sum(t.c) as "views",
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",
${parseFieldsByName(fields)}
from (
select
${parseFields(fields)},
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 ${parseFieldsByName(fields)},
website_event.session_id, website_event.visit_id
) as t
group by ${parseFieldsByName(fields)}
order by 1 desc, 2 desc
limit 500
`,
queryParams,
);
}
async function clickhouseQuery(
websiteId: string,
parameters: BreakdownParameters,
filters: QueryFilters,
): Promise<BreakdownData[]> {
const { parseFilters, rawQuery } = clickhouse;
const { startDate, endDate, fields } = parameters;
const { filterQuery, cohortQuery, queryParams } = parseFilters({
...filters,
websiteId,
startDate,
endDate,
eventType: EVENT_TYPE.pageView,
});
return rawQuery(
`
select
sum(t.c) as "views",
count(distinct t.session_id) as "visitors",
count(distinct t.visit_id) as "visits",
sum(if(t.c = 1, 1, 0)) as "bounces",
sum(max_time-min_time) as "totaltime",
${parseFieldsByName(fields)}
from (
select
${parseFields(fields)},
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}
${filterQuery}
group by ${parseFieldsByName(fields)},
session_id, visit_id
) as t
group by ${parseFieldsByName(fields)}
order by 1 desc, 2 desc
limit 500
`,
queryParams,
);
}
function parseFields(fields: string[]) {
return fields.map(name => `${FILTER_COLUMNS[name]} as "${name}"`).join(',');
}
function parseFieldsByName(fields: string[]) {
return `${fields.map(name => name).join(',')}`;
}
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