Merge pull request #2378 from overleaf/bg-return-history-display-type-to-docupdater

return history display type to docupdater

GitOrigin-RevId: bc90317677937c4f0698c2045958b79820ec3b3f

services/web/app/src/Features/Documents/DocumentController.js

@@ -17,6 +17,7 @@ const ProjectLocator = require('../Project/ProjectLocator')
 const ProjectEntityHandler = require('../Project/ProjectEntityHandler')
 const ProjectEntityUpdateHandler = require('../Project/ProjectEntityUpdateHandler')
 const logger = require('logger-sharelatex')
+const _ = require('lodash')
 
 module.exports = {
   getDocument(req, res, next) {
@@ -69,19 +70,20 @@ module.exports = {
                 res.type('text/plain')
                 return res.send(lines.join('\n'))
               } else {
-                const projectHistoryId = __guard__(
-                  __guard__(
-                    project != null ? project.overleaf : undefined,
-                    x2 => x2.history
-                  ),
-                  x1 => x1.id
+                const projectHistoryId = _.get(project, 'overleaf.history.id')
+                const projectHistoryType = _.get(
+                  project,
+                  'overleaf.history.display'
                 )
+                  ? 'project-history'
+                  : undefined // for backwards compatibility, don't send anything if the project is still on track-changes
                 return res.json({
                   lines,
                   version,
                   ranges,
                   pathname: path.fileSystem,
-                  projectHistoryId
+                  projectHistoryId,
+                  projectHistoryType
                 })
               }
             })