[chat] clone comment threads when cloning project with ranges (#32852)

* [project-history] add best effort flush when cloning project

* [web] update labels in clone project modal for admins

* [project-history] do not shadow history flush failure

* [web] fix accessible label for 'Add comment' button

* [chat] clone comment threads when cloning project with ranges

GitOrigin-RevId: ef30204c8a94b3d6204d56dcca2f62a46319996b

services/chat/app/js/Features/Messages/MessageHttpController.js

@@ -3,6 +3,7 @@ import * as MessageManager from './MessageManager.js'
 import * as MessageFormatter from './MessageFormatter.js'
 import * as ThreadManager from '../Threads/ThreadManager.js'
 import { ObjectId } from '../../mongodb.js'
+import { promiseMapWithLimit } from '@overleaf/promise-utils'
 
 const DEFAULT_MESSAGE_LIMIT = 50
 const MAX_MESSAGE_LENGTH = 10 * 1024 // 10kb, about 1,500 words
@@ -114,6 +115,10 @@ export async function generateThreadData(context) {
   return await callMessageHttpController(context, _generateThreadData)
 }
 
+export async function cloneCommentThreads(context) {
+  return await callMessageHttpController(context, _cloneCommentThreads)
+}
+
 export async function getStatus(context) {
   const message = 'chat is alive'
   context.res.status(200).setBody(message)
@@ -436,3 +441,16 @@ async function _duplicateCommentThreads(req, res) {
   }
   res.json({ newThreads: result })
 }
+
+async function _cloneCommentThreads(req, res) {
+  const { projectId: sourceProjectId } = req.params
+  const { targetProjectId } = req.body
+  const rooms = await ThreadManager.cloneThreads(
+    sourceProjectId,
+    targetProjectId
+  )
+  await promiseMapWithLimit(10, rooms, async ({ from, to }) => {
+    await MessageManager.duplicateRoomToOtherRoom(from, to)
+  })
+  res.status(204)
+}