[web] `project-downloaded` audit logs (#30075)

Adds new `project-downloaded` and makes it available
to managed group admin.

GitOrigin-RevId: 5ae406182f87590acf300f8095a6c7e6c25366c0

services/web/app/src/Features/Downloads/ProjectDownloadsController.mjs

@@ -1,81 +1,73 @@
-/* eslint-disable
-    max-len,
-    no-unused-vars,
-*/
-// TODO: This file was created by bulk-decaffeinate.
-// Fix any style issues and re-enable lint.
-/*
- * decaffeinate suggestions:
- * DS102: Remove unnecessary code created because of implicit returns
- * DS207: Consider shorter variations of null checks
- * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
- */
 import Metrics from '@overleaf/metrics'
 import ProjectGetter from '../Project/ProjectGetter.mjs'
 import ProjectZipStreamManager from './ProjectZipStreamManager.mjs'
 import DocumentUpdaterHandler from '../DocumentUpdater/DocumentUpdaterHandler.mjs'
 import { prepareZipAttachment } from '../../infrastructure/Response.mjs'
-
-let ProjectDownloadsController
+import SessionManager from '../Authentication/SessionManager.mjs'
+import ProjectAuditLogHandler from '../Project/ProjectAuditLogHandler.mjs'
 
 // Keep in sync with the logic for PDF files in CompileController
 function getSafeProjectName(project) {
   return project.name.replace(/[^\p{L}\p{Nd}]/gu, '_')
 }
 
-export default ProjectDownloadsController = {
+export default {
   downloadProject(req, res, next) {
+    const userId = SessionManager.getSessionUser(req.session)
     const projectId = req.params.Project_id
     Metrics.inc('zip-downloads')
-    return DocumentUpdaterHandler.flushProjectToMongo(
-      projectId,
-      function (error) {
-        if (error != null) {
-          return next(error)
-        }
-        return ProjectGetter.getProject(
-          projectId,
-          { name: true },
-          function (error, project) {
-            if (error != null) {
-              return next(error)
-            }
-            return ProjectZipStreamManager.createZipStreamForProject(
-              projectId,
-              function (error, stream) {
-                if (error != null) {
-                  return next(error)
-                }
-                prepareZipAttachment(res, `${getSafeProjectName(project)}.zip`)
-                return stream.pipe(res)
-              }
-            )
-          }
-        )
+    DocumentUpdaterHandler.flushProjectToMongo(projectId, function (error) {
+      if (error) {
+        return next(error)
       }
-    )
+      ProjectGetter.getProject(
+        projectId,
+        { name: true },
+        function (error, project) {
+          if (error) {
+            return next(error)
+          }
+          ProjectAuditLogHandler.addEntryInBackground(
+            projectId,
+            'project-downloaded',
+            userId,
+            req.ip
+          )
+          ProjectZipStreamManager.createZipStreamForProject(
+            projectId,
+            function (error, stream) {
+              if (error) {
+                return next(error)
+              }
+              prepareZipAttachment(res, `${getSafeProjectName(project)}.zip`)
+              stream.pipe(res)
+            }
+          )
+        }
+      )
+    })
   },
 
   downloadMultipleProjects(req, res, next) {
     const projectIds = req.query.project_ids.split(',')
     Metrics.inc('zip-downloads-multiple')
-    return DocumentUpdaterHandler.flushMultipleProjectsToMongo(
+    DocumentUpdaterHandler.flushMultipleProjectsToMongo(
       projectIds,
       function (error) {
-        if (error != null) {
+        if (error) {
           return next(error)
         }
-        return ProjectZipStreamManager.createZipStreamForMultipleProjects(
+        ProjectZipStreamManager.createZipStreamForMultipleProjects(
           projectIds,
           function (error, stream) {
-            if (error != null) {
+            if (error) {
               return next(error)
             }
             prepareZipAttachment(
               res,
               `Overleaf Projects (${projectIds.length} items).zip`
             )
-            return stream.pipe(res)
+            stream.pipe(res)
           }
         )
       }

services/web/app/src/Features/Project/ProjectAuditLogHandler.mjs

@@ -16,6 +16,7 @@ const MANAGED_GROUP_PROJECT_EVENTS = [
   'project-restored',
   'project-cloned',
   'transfer-ownership',
+  'project-downloaded',
 ]
 
 async function findManagedSubscriptions(entry) {