From 0041cfe2eda78645d68944e2d4b0f0f155cd3cff Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Thu, 11 Dec 2025 16:03:19 -0500
Subject: [PATCH] feat: introduce new front-end UI button for cross-posting,
 hide move on topics in remote cids

- Hide the ability to select remote cids in topic move category search
- Add a new option to category search: 'localOnly'; pretty self descriptive.
---
 public/language/en-GB/topic.json             | 1 +
 public/src/client/topic/move.js              | 1 +
 public/src/client/topic/threadTools.js       | 4 ++++
 public/src/modules/categorySearch.js         | 1 +
 src/api/search.js                            | 1 +
 src/categories/search.js                     | 5 +++++
 src/views/partials/topic/topic-menu-list.tpl | 6 ++++++
 7 files changed, 19 insertions(+)

diff --git a/public/language/en-GB/topic.json b/public/language/en-GB/topic.json
index bfb3101c2c..d4431e9e35 100644
--- a/public/language/en-GB/topic.json
+++ b/public/language/en-GB/topic.json
@@ -116,6 +116,7 @@
 	"thread-tools.lock": "Lock Topic",
 	"thread-tools.unlock": "Unlock Topic",
 	"thread-tools.move": "Move Topic",
+	"thread-tools.crosspost": "Crosspost Topic",
 	"thread-tools.move-posts": "Move Posts",
 	"thread-tools.move-all": "Move All",
 	"thread-tools.change-owner": "Change Owner",
diff --git a/public/src/client/topic/move.js b/public/src/client/topic/move.js
index df23091357..08ce3e9d5c 100644
--- a/public/src/client/topic/move.js
+++ b/public/src/client/topic/move.js
@@ -34,6 +34,7 @@ define('forum/topic/move', [
 			categorySelector.init(dropdownEl, {
 				onSelect: onCategorySelected,
 				privilege: 'moderate',
+				localOnly: true,
 			});
 
 			modal.find('#move_thread_commit').on('click', onCommitClicked);
diff --git a/public/src/client/topic/threadTools.js b/public/src/client/topic/threadTools.js
index 7a2519b069..5bb4d7d362 100644
--- a/public/src/client/topic/threadTools.js
+++ b/public/src/client/topic/threadTools.js
@@ -116,6 +116,10 @@ define('forum/topic/threadTools', [
 			return false;
 		});
 
+		topicContainer.on('click', '[component="topic/crosspost"]', () => {
+			console.log('tbd');
+		});
+
 		topicContainer.on('click', '[component="topic/delete/posts"]', function () {
 			require(['forum/topic/delete-posts'], function (deletePosts) {
 				deletePosts.init();
diff --git a/public/src/modules/categorySearch.js b/public/src/modules/categorySearch.js
index fe8fd4f294..305396b9d8 100644
--- a/public/src/modules/categorySearch.js
+++ b/public/src/modules/categorySearch.js
@@ -76,6 +76,7 @@ define('categorySearch', ['alerts', 'bootstrap', 'api'], function (alerts, boots
 				privilege: options.privilege,
 				states: options.states,
 				showLinks: options.showLinks,
+				localOnly: options.localOnly,
 			}, function (err, { categories }) {
 				if (err) {
 					return alerts.error(err);
diff --git a/src/api/search.js b/src/api/search.js
index 78e120743f..3ae5319d1e 100644
--- a/src/api/search.js
+++ b/src/api/search.js
@@ -66,6 +66,7 @@ async function findMatchedCids(uid, data) {
 		query: data.search,
 		qs: data.query,
 		paginate: false,
+		localOnly: data.localOnly,
 	});
 
 	let matchedCids = result.categories.map(c => c.cid);
diff --git a/src/categories/search.js b/src/categories/search.js
index 50521d882a..722ecb01d9 100644
--- a/src/categories/search.js
+++ b/src/categories/search.js
@@ -6,12 +6,14 @@ const privileges = require('../privileges');
 const activitypub = require('../activitypub');
 const plugins = require('../plugins');
 const db = require('../database');
+const utils = require('../utils');
 
 module.exports = function (Categories) {
 	Categories.search = async function (data) {
 		const query = data.query || '';
 		const page = data.page || 1;
 		const uid = data.uid || 0;
+		const localOnly = data.localOnly || false;
 		const paginate = data.hasOwnProperty('paginate') ? data.paginate : true;
 
 		const startTime = process.hrtime();
@@ -21,6 +23,9 @@ module.exports = function (Categories) {
 		}
 
 		let cids = await findCids(query, data.hardCap);
+		if (localOnly) {
+			cids = cids.filter(cid => utils.isNumber(cid));
+		}
 
 		const result = await plugins.hooks.fire('filter:categories.search', {
 			data: data,
diff --git a/src/views/partials/topic/topic-menu-list.tpl b/src/views/partials/topic/topic-menu-list.tpl
index 34d23f2607..147b5cbbf4 100644
--- a/src/views/partials/topic/topic-menu-list.tpl
+++ b/src/views/partials/topic/topic-menu-list.tpl
@@ -15,9 +15,15 @@
 	<a component="topic/unpin" href="#" class="dropdown-item rounded-1 d-flex align-items-center gap-2 {{{ if !pinned }}}hidden{{{ end }}}" role="menuitem"><i class="fa fa-fw fa-thumb-tack fa-rotate-90 text-secondary"></i> [[topic:thread-tools.unpin]]</a>
 </li>
 
+{{{ if isNumber(cid) }}}
 <li>
 	<a component="topic/move" href="#" class="dropdown-item rounded-1 d-flex align-items-center gap-2" role="menuitem"><i class="fa fa-fw fa-arrows text-secondary"></i> [[topic:thread-tools.move]]</a>
 </li>
+{{{ end }}}
+
+<li>
+	<a component="topic/crosspost" href="#" class="dropdown-item rounded-1 d-flex align-items-center gap-2" role="menuitem"><i class="fa fa-fw fa-clone text-secondary"></i> [[topic:thread-tools.crosspost]]</a>
+</li>
 
 <li>
 	<a component="topic/merge" href="#" class="dropdown-item rounded-1 d-flex align-items-center gap-2" role="menuitem"><i class="fa fa-fw fa-code-fork text-secondary"></i> [[topic:thread-tools.merge]]</a>