Disable thread in archived room

src/libs/ReportUtils.ts

@@ -5341,6 +5341,7 @@ function hasUpdatedTotal(report: OnyxEntry<Report>): boolean {
  * - The action is listed in the thread-disabled list
  * - The action is a split bill action
  * - The action is deleted and is not threaded
+ * - The report is archived and the action is not threaded
  * - The action is a whisper action and it's neither a report preview nor IOU action
  * - The action is the thread's first chat
  */
@@ -5350,11 +5351,13 @@ function shouldDisableThread(reportAction: OnyxEntry<ReportAction>, reportID: st
     const isReportPreviewAction = ReportActionsUtils.isReportPreviewAction(reportAction);
     const isIOUAction = ReportActionsUtils.isMoneyRequestAction(reportAction);
     const isWhisperAction = ReportActionsUtils.isWhisperAction(reportAction);
+    const isArchivedReport = isArchivedRoom(getReport(reportID));
 
     return (
         CONST.REPORT.ACTIONS.THREAD_DISABLED.some((action: string) => action === reportAction?.actionName) ||
         isSplitBillAction ||
         (isDeletedAction && !reportAction?.childVisibleActionCount) ||
+        (isArchivedReport && !reportAction?.childVisibleActionCount) ||
         (isWhisperAction && !isReportPreviewAction && !isIOUAction) ||
         isThreadFirstChat(reportAction, reportID)
     );

tests/unit/ReportUtilsTest.js

@@ -1,6 +1,7 @@
 import Onyx from 'react-native-onyx';
 import _ from 'underscore';
 import CONST from '../../src/CONST';
+import * as NumberUtils from '../../src/libs/NumberUtils';
 import * as ReportUtils from '../../src/libs/ReportUtils';
 import ONYXKEYS from '../../src/ONYXKEYS';
 import * as LHNTestUtils from '../utils/LHNTestUtils';
@@ -639,6 +640,78 @@ describe('ReportUtils', () => {
         });
     });
 
+    describe('shouldDisableThread', () => {
+        const reportID = '1';
+
+        it('should disable on thread-disabled actions', () => {
+            const reportAction = ReportUtils.buildOptimisticCreatedReportAction('email1@test.com');
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+        });
+
+        it('should disable thread on split bill actions', () => {
+            const reportAction = ReportUtils.buildOptimisticIOUReportAction(
+                CONST.IOU.REPORT_ACTION_TYPE.SPLIT,
+                50000,
+                CONST.CURRENCY.USD,
+                '',
+                [{login: 'email1@test.com'}, {login: 'email2@test.com'}],
+                NumberUtils.rand64(),
+            );
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+        });
+
+        it('should disable on deleted and not-thread actions', () => {
+            const reportAction = {
+                message: [
+                    {
+                        translationKey: '',
+                        type: 'COMMENT',
+                        html: '',
+                        text: '',
+                        isEdited: true,
+                    },
+                ],
+                childVisibleActionCount: 1,
+            };
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeFalsy();
+
+            reportAction.childVisibleActionCount = 0;
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+        });
+
+        it('should disable on archived reports and not-thread actions', () => {
+            Onyx.merge(`${ONYXKEYS.COLLECTION.REPORT}${reportID}`, {
+                statusNum: CONST.REPORT.STATUS_NUM.CLOSED,
+                stateNum: CONST.REPORT.STATE_NUM.APPROVED,
+            })
+                .then(() => waitForBatchedUpdates())
+                .then(() => {
+                    const reportAction = {
+                        childVisibleActionCount: 1,
+                    };
+                    expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeFalsy();
+
+                    reportAction.childVisibleActionCount = 0;
+                    expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+                });
+        });
+
+        it("should disable on a whisper action and it's neither a report preview nor IOU action", () => {
+            const reportAction = {
+                actionName: CONST.REPORT.ACTIONS.TYPE.MODIFIEDEXPENSE,
+                whisperedToAccountIDs: [123456],
+            };
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+        });
+
+        it('should disable on thread first chat', () => {
+            const reportAction = {
+                childReportID: reportID,
+            };
+            expect(ReportUtils.shouldDisableThread(reportAction, reportID)).toBeTruthy();
+        });
+    });
+
     describe('getAllAncestorReportActions', () => {
         const reports = [
             {reportID: '1', lastReadTime: '2024-02-01 04:56:47.233', reportName: 'Report'},