umami/pages/api/website/[id]/metrics.js

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import { getPageviewMetrics, getSessionMetrics, getWebsiteById } from 'queries';
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import { ok, methodNotAllowed, unauthorized, badRequest } from 'lib/response';
import { allowQuery } from 'lib/auth';
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import { useCors } from 'lib/middleware';
import { FILTER_IGNORED } from 'lib/constants';
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const sessionColumns = ['browser', 'os', 'device', 'screen', 'country', 'language'];
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const pageviewColumns = ['url', 'referrer', 'query'];
function getTable(type) {
if (type === 'event') {
return 'event';
}
if (sessionColumns.includes(type)) {
return 'session';
}
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if (pageviewColumns.includes(type)) {
return 'pageview';
}
throw new Error('Invalid type');
}
function getColumn(type) {
if (type === 'event') {
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return 'event_name';
}
if (type === 'query') {
return 'url';
}
return type;
}
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export default async (req, res) => {
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if (req.method === 'GET') {
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await useCors(req, res);
if (!(await allowQuery(req))) {
return unauthorized(res);
}
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const { id, type, start_at, end_at, url, referrer, os, browser, device, country } = req.query;
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const websiteId = +id;
const startDate = new Date(+start_at);
const endDate = new Date(+end_at);
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if (sessionColumns.includes(type)) {
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let data = await getSessionMetrics(websiteId, startDate, endDate, type, {
os,
browser,
device,
country,
});
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if (type === 'language') {
let combined = {};
for (let { x, y } of data) {
x = String(x).toLowerCase().split('-')[0];
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if (!combined[x]) {
combined[x] = { x, y };
} else {
combined[x].y += y;
}
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}
data = Object.values(combined);
}
return ok(res, data);
}
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if (pageviewColumns.includes(type) || type === 'event') {
let domain;
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if (type === 'referrer') {
const website = await getWebsiteById(websiteId);
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if (!website) {
return badRequest(res);
}
domain = website.domain;
}
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const column = getColumn(type);
const table = getTable(type);
const filters = {
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domain,
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url: type !== 'url' && table !== 'event' ? url : undefined,
referrer: type !== 'referrer' && table !== 'event' ? referrer : FILTER_IGNORED,
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os: type !== 'os' ? os : undefined,
browser: type !== 'browser' ? browser : undefined,
device: type !== 'device' ? device : undefined,
country: type !== 'country' ? country : undefined,
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event_url: type !== 'url' && table === 'event' ? url : undefined,
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query: type === 'query' && table !== 'event' ? true : undefined,
};
const data = await getPageviewMetrics(websiteId, startDate, endDate, column, table, filters);
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return ok(res, data);
}
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}
return methodNotAllowed(res);
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};