47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
|
'use strict';
|
||
|
|
|
||
|
|
const EVENT_VERSION = '1';
|
||
|
|
|
||
|
|
function pubSubMetrics (pubSubMetricsBackend) {
|
||
|
|
if (!pubSubMetricsBackend.isEnabled()) {
|
||
|
|
return function pubSubMetricsDisabledMiddleware (req, res, next) { next(); };
|
||
|
|
}
|
||
|
|
|
||
|
|
return function pubSubMetricsMiddleware (req, res, next) {
|
||
|
|
const data = getEventData(req, res);
|
||
|
|
|
||
|
|
if (data.event) {
|
||
|
|
pubSubMetricsBackend.sendEvent(data.event, data.attributes);
|
||
|
|
}
|
||
|
|
|
||
|
|
return next();
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function getEventData (req, res) {
|
||
|
|
const event = req.get('Carto-Event');
|
||
|
|
const eventSource = req.get('Carto-Event-Source');
|
||
|
|
const eventGroupId = req.get('Carto-Event-Group-Id');
|
||
|
|
|
||
|
|
if (!event || !eventSource) {
|
||
|
|
return [undefined, undefined];
|
||
|
|
}
|
||
|
|
|
||
|
|
const attributes = {
|
||
|
|
event_source: eventSource,
|
||
|
|
user_id: res.locals.userId,
|
||
|
|
response_code: res.statusCode.toString(),
|
||
|
|
source_domain: req.hostname,
|
||
|
|
event_time: new Date().toISOString(),
|
||
|
|
event_version: EVENT_VERSION
|
||
|
|
};
|
||
|
|
|
||
|
|
if (eventGroupId) {
|
||
|
|
attributes.event_group_id = eventGroupId;
|
||
|
|
}
|
||
|
|
|
||
|
|
return { event, attributes };
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = pubSubMetrics;
|