Foro: mover tema entre foros (moderadores)

- lib/forum-write.ts: moveTopic (forum_id + moved=1). lib/forum.ts: listForumsForMove.
- API /api/forum/moderate: acción 'move' con forumId, validando foro destino visible
  y distinto del actual.
- TopicModBar: selector «Mover a» con los foros visibles (excl. el actual); tras mover,
  redirige al foro destino.
- i18n es/en: Forum.moveTopic.

Verificado: build OK, move 401 sin sesión, /forum 200.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

web-next/app/[locale]/forum/topic/[topicId]/page.tsx

@@ -1,7 +1,7 @@
 import { notFound } from 'next/navigation'
 import { getTranslations, setRequestLocale } from 'next-intl/server'
 import { Link } from '@/i18n/navigation'
-import { getTopic, getPosts, countPosts } from '@/lib/forum'
+import { getTopic, getPosts, countPosts, listForumsForMove } from '@/lib/forum'
 import { getSession } from '@/lib/session'
 import { forumIsModerator, canEditPost } from '@/lib/forum-perm'
 import { ReplyForm } from '@/components/ReplyForm'
@@ -33,6 +33,7 @@ export default async function TopicPage({
   const posts = await getPosts(id, (page - 1) * PER_PAGE, PER_PAGE)
   const session = await getSession()
   const isMod = await forumIsModerator(session)
+  const moveForums = isMod ? (await listForumsForMove()).filter((f) => f.id !== topic!.forum_id) : []
   const canReply = Boolean(session.username) && (!topic!.locked || isMod)
 
   return (
@@ -48,7 +49,9 @@ export default async function TopicPage({
         {topic!.name}
       </h1>
 
-      {isMod && <TopicModBar topicId={id} locked={topic!.locked} sticky={topic!.sticky} />}
+      {isMod && (
+        <TopicModBar topicId={id} locked={topic!.locked} sticky={topic!.sticky} moveForums={moveForums} />
+      )}
 
       <div className="space-y-4">
         {posts.map((post) => (

web-next/app/api/forum/moderate/route.ts

@@ -1,9 +1,9 @@
 import { getSession } from '@/lib/session'
-import { getTopic } from '@/lib/forum'
+import { getTopic, getForum } from '@/lib/forum'
-import { setTopicFlag } from '@/lib/forum-write'
+import { setTopicFlag, moveTopic } from '@/lib/forum-write'
 import { forumIsModerator } from '@/lib/forum-perm'
 
-type Action = 'lock' | 'unlock' | 'sticky' | 'unsticky' | 'delete'
+type Action = 'lock' | 'unlock' | 'sticky' | 'unsticky' | 'delete' | 'move'
 
 /** Moderación de temas: bloquear, fijar, borrar. Solo moderadores. */
 export async function POST(request: Request) {
@@ -36,6 +36,17 @@ export async function POST(request: Request) {
     case 'delete':
       await setTopicFlag(topicId, 'deleted', true)
       return Response.json({ success: true, forumId: topic.forum_id })
+    case 'move': {
+      const newForumId = Number(b.forumId)
+      if (!newForumId || newForumId === topic.forum_id) {
+        return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 })
+      }
+      if (!(await getForum(newForumId))) {
+        return Response.json({ success: false, error: 'invalidForum' }, { status: 400 })
+      }
+      await moveTopic(topicId, newForumId)
+      return Response.json({ success: true })
+    }
     default:
       return Response.json({ success: false, error: 'invalidRequest' }, { status: 400 })
   }

web-next/components/TopicModBar.tsx

@@ -8,16 +8,18 @@ export function TopicModBar({
   topicId,
   locked,
   sticky,
+  moveForums = [],
 }: {
   topicId: number
   locked: boolean
   sticky: boolean
+  moveForums?: { id: number; name: string }[]
 }) {
   const t = useTranslations('Forum')
   const router = useRouter()
   const [busy, setBusy] = useState(false)
 
-  async function act(action: string, confirmMsg?: string) {
+  async function act(action: string, extra?: Record<string, unknown>, confirmMsg?: string) {
     if (busy) return
     if (confirmMsg && !confirm(confirmMsg)) return
     setBusy(true)
@@ -26,11 +28,13 @@ export function TopicModBar({
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'same-origin',
-        body: JSON.stringify({ topicId, action }),
+        body: JSON.stringify({ topicId, action, ...extra }),
       })
       const data: { success?: boolean; forumId?: number } = await res.json()
       if (data.success && action === 'delete' && data.forumId) {
         router.push(`/forum/${data.forumId}`)
+      } else if (data.success && action === 'move') {
+        router.push(`/forum/${extra?.forumId}`)
       } else {
         router.refresh()
       }
@@ -58,9 +62,31 @@ export function TopicModBar({
       >
         {sticky ? t('unpin') : t('pin')}
       </button>
+      {moveForums.length > 0 && (
+        <select
+          defaultValue=""
+          disabled={busy}
+          onChange={(e) => {
+            const forumId = Number(e.target.value)
+            e.target.value = ''
+            if (forumId) act('move', { forumId })
+          }}
+          className="nw-input inline-block w-auto py-1 text-xs disabled:opacity-60"
+          aria-label={t('moveTopic')}
+        >
+          <option value="" disabled>
+            {t('moveTopic')}…
+          </option>
+          {moveForums.map((f) => (
+            <option key={f.id} value={f.id}>
+              {f.name}
+            </option>
+          ))}
+        </select>
+      )}
       <button
         type="button"
-        onClick={() => act('delete', t('confirmDeleteTopic'))}
+        onClick={() => act('delete', undefined, t('confirmDeleteTopic'))}
         disabled={busy}
         className="text-xs text-red-400 hover:text-red-300 disabled:opacity-60"
       >

web-next/lib/forum-write.ts

@@ -71,6 +71,11 @@ export async function setTopicFlag(
   await db(DB.web).query(`UPDATE forum_topics SET ${field} = ? WHERE id = ?`, [value ? 1 : 0, topicId])
 }
 
+/** Mueve un tema a otro foro (marca moved=1). Solo moderación. */
+export async function moveTopic(topicId: number, newForumId: number): Promise<void> {
+  await db(DB.web).query('UPDATE forum_topics SET forum_id = ?, moved = 1 WHERE id = ?', [newForumId, topicId])
+}
+
 /** Comprueba que un foro existe y es visible (para crear tema). */
 export async function forumIsPostable(forumId: number): Promise<boolean> {
   const [rows] = await db(DB.web).query<RowDataPacket[]>(

web-next/lib/forum.ts

@@ -92,6 +92,18 @@ export async function getForumIndex(): Promise<Category[]> {
   }
 }
 
+/** Lista de foros visibles para el desplegable de «mover tema». */
+export async function listForumsForMove(): Promise<{ id: number; name: string }[]> {
+  try {
+    const [rows] = await db(DB.web).query<RowDataPacket[]>(
+      'SELECT id, name FROM forums WHERE visibility = 1 AND deleted = 0 ORDER BY `order`, id',
+    )
+    return rows.map((r) => ({ id: r.id, name: r.name }))
+  } catch {
+    return []
+  }
+}
+
 export async function getForum(id: number): Promise<{ name: string; description: string } | null> {
   try {
     const [rows] = await db(DB.web).query<RowDataPacket[]>(

web-next/messages/en.json

@@ -293,7 +293,8 @@
     "noResults": "No results for “{query}”.",
     "resultsCount": "{count} result(s) for “{query}”.",
     "in": "in",
-    "replyOnLastPage": "Go to the last page to reply"
+    "replyOnLastPage": "Go to the last page to reply",
+    "moveTopic": "Move to"
   },
   "Admin": {
     "title": "Admin panel",

web-next/messages/es.json

@@ -293,7 +293,8 @@
     "noResults": "No hay resultados para «{query}».",
     "resultsCount": "{count} resultado(s) para «{query}».",
     "in": "en",
-    "replyOnLastPage": "Ir a la última página para responder"
+    "replyOnLastPage": "Ir a la última página para responder",
+    "moveTopic": "Mover a"
   },
   "Admin": {
     "title": "Panel de administración",