Merge pull request #7348 from overleaf/ab-login-events

[web] Add events for login buttons clicks and segmentation to user-logged-in event

GitOrigin-RevId: 6283feb075e2d16c871d3f4ff54fe903937d3263

services/web/app/src/Features/Authentication/AuthenticationController.js

@@ -606,7 +606,11 @@ function _loginAsyncHandlers(req, user, anonymousAnalyticsId, isNewUser) {
   LoginRateLimiter.recordSuccessfulLogin(user.email, () => {})
   AuthenticationController._recordSuccessfulLogin(user._id, () => {})
   AuthenticationController.ipMatchCheck(req, user)
-  Analytics.recordEventForUser(user._id, 'user-logged-in')
+  Analytics.recordEventForUser(user._id, 'user-logged-in', {
+    source: req.session.saml
+      ? 'saml'
+      : req.user_info?.auth_provider || 'email-password',
+  })
   Analytics.identifyUser(user._id, anonymousAnalyticsId, isNewUser)
 
   logger.log(