Merge pull request #6033 from overleaf/bg-add-recover-doc-script

[web] add script to recover dangling docs from redis

GitOrigin-RevId: 2fca3d6b27cb35c6ee6cb1f32588ab7390a63d3f

services/web/app/src/Features/Project/ProjectEntityRestoreHandler.js

@@ -3,20 +3,27 @@ const Path = require('path')
 const ProjectEntityHandler = require('./ProjectEntityHandler')
 const ProjectEntityUpdateHandler = require('./ProjectEntityUpdateHandler')
 
+// generate a new name based on the original, with an optional label.
+// e.g. origname-20210101-122345.tex          (default)
+//      origname-restored-20210101-122345.tex (label="restored")
+function generateRestoredName(docName, label) {
+  const formattedTimestamp = new Date()
+    .toISOString()
+    .replace('T', '-')
+    .replace(/[^0-9-]/g, '')
+  const extension = Path.extname(docName)
+  const basename =
+    Path.basename(docName, extension) + (label ? `-${label}` : '')
+  return `${basename}-${formattedTimestamp}${extension}`
+}
+
 async function restoreDeletedDoc(projectId, docId, docName, userId) {
   const deletedDoc = await ProjectEntityHandler.promises.getDoc(
     projectId,
     docId,
     { include_deleted: true }
   )
-
-  const formattedTimestamp = new Date()
-    .toISOString()
-    .replace('T', '-')
-    .replace(/[^0-9-]/g, '')
-  const extension = Path.extname(docName)
-  const basename = Path.basename(docName, extension)
-  const deletedDocName = `${basename}-${formattedTimestamp}${extension}`
+  const deletedDocName = generateRestoredName(docName)
   return await ProjectEntityUpdateHandler.promises.addDocWithRanges(
     projectId,
     null,
@@ -29,6 +36,7 @@ async function restoreDeletedDoc(projectId, docId, docName, userId) {
 
 module.exports = {
   restoreDeletedDoc: callbackify(restoreDeletedDoc),
+  generateRestoredName,
   promises: {
     restoreDeletedDoc,
   },