Andrew Rumble
63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
import _ from 'lodash'
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import RequestHelper from './RequestHelper.mjs'
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import AnalyticsManager from './AnalyticsManager.mjs'
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import querystring from 'node:querystring'
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import { URL } from 'node:url'
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import Settings from '@overleaf/settings'
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import OError from '@overleaf/o-error'
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import logger from '@overleaf/logger'
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function recordUTMTags() {
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return function (req, res, next) {
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const query = req.query
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try {
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const utmValues = RequestHelper.parseUtm(query)
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if (utmValues) {
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const path = new URL(req.url, Settings.siteUrl).pathname
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const host = req.headers.host
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const domain = host?.split('.')[0]
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AnalyticsManager.recordEventForSession(req.session, 'page-view', {
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path,
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...utmValues,
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domain,
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})
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const propertyValue = `${utmValues.utm_source || 'N/A'};${
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utmValues.utm_medium || 'N/A'
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};${utmValues.utm_campaign || 'N/A'};${
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utmValues.utm_content || utmValues.utm_term || 'N/A'
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}`
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AnalyticsManager.setUserPropertyForSessionInBackground(
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req.session,
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'utm-tags',
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propertyValue
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)
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// redirect to URL without UTM query params
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const queryWithoutUtm = _.omit(query, RequestHelper.UTM_KEYS)
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const queryString =
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Object.keys(queryWithoutUtm).length > 0
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? '?' + querystring.stringify(queryWithoutUtm)
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: ''
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return res.redirect(path + queryString)
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}
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} catch (error) {
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// log errors and fail silently
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OError.tag(error, 'failed to track UTM tags', {
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query,
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})
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logger.warn({ error }, error.message)
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}
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next()
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}
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}
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export default {
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recordUTMTags,
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}
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