overleaf/services/web/app/coffee/Features/Analytics/AnalyticsController.coffee

AnalyticsManager = require "./AnalyticsManager"
Errors = require "../Errors/Errors"
AuthenticationController = require("../Authentication/AuthenticationController")

module.exports = AnalyticsController =
	updateEditingSession: (req, res, next) ->
		userId    = AuthenticationController.getLoggedInUserId(req)
		projectId = req.params.projectId

		if userId?
			AnalyticsManager.updateEditingSession userId, projectId, {}, (error) ->
				respondWith(error, res, next)
		else
			res.send 204

	recordEvent: (req, res, next) ->
		user_id = AuthenticationController.getLoggedInUserId(req) or req.sessionID
		AnalyticsManager.recordEvent user_id, req.params.event, req.body, (error) ->
			respondWith(error, res, next)

respondWith = (error, res, next) ->
	if error instanceof Errors.ServiceNotConfiguredError
		# ignore, no-op
		res.send(204)
	else if error?
		next(error)
	else
		res.send 204