fix: show active preview generation status

backend/cmd/server/main.go

@@ -247,6 +247,9 @@ func main() {
 		GetDriveGenerationStatuses: func() map[string]api.DriveGenerationStatuses {
 			return app.driveGenerationStatuses()
 		},
+		GetPreviewGenerationVideoIDs: func() map[string]bool {
+			return app.previewGenerationVideoIDs()
+		},
 		OnTeaserEnabledChanged: func(driveID string, enabled bool) {
 			// 从关到开时立刻补扫该盘 pending 预览视频，行为对齐旧的"全局开关从关到开"。
 			// 关闭分支不需要做事 —— 入队前会重新查 catalog，新的 enqueue 自然停。
@@ -656,6 +659,23 @@ func (a *App) driveGenerationStatuses() map[string]api.DriveGenerationStatuses {
 	return out
 }
 
+func (a *App) previewGenerationVideoIDs() map[string]bool {
+	a.mu.Lock()
+	previewWorkers := make([]*preview.Worker, 0, len(a.workers))
+	for _, worker := range a.workers {
+		previewWorkers = append(previewWorkers, worker)
+	}
+	a.mu.Unlock()
+
+	out := make(map[string]bool)
+	for _, worker := range previewWorkers {
+		for _, id := range worker.ActiveVideoIDs() {
+			out[id] = true
+		}
+	}
+	return out
+}
+
 func (a *App) updateCrawlerUploadProgress(progress spider91migrate.UploadProgress) {
 	driveID := strings.TrimSpace(progress.DriveID)
 	if driveID == "" {

backend/internal/api/admin.go

@@ -65,9 +65,10 @@ type AdminServer struct {
 	// 处理完候选列表后任务自然结束。
 	OnStartDriveTranscode func(driveID string) (bool, string)
 	// OnStopDriveTranscode 手动停止某盘正在进行的转码任务。返回是否有任务被停。
-	OnStopDriveTranscode       func(driveID string) bool
+	OnStopDriveTranscode         func(driveID string) bool
-	OnDeleteVideo              func(ctx context.Context, videoID string, deleteSource bool) (DeleteVideoResult, error)
+	OnDeleteVideo                func(ctx context.Context, videoID string, deleteSource bool) (DeleteVideoResult, error)
-	GetDriveGenerationStatuses func() map[string]DriveGenerationStatuses
+	GetDriveGenerationStatuses   func() map[string]DriveGenerationStatuses
+	GetPreviewGenerationVideoIDs func() map[string]bool
 	// OnTeaserEnabledChanged 在 per-drive 预览视频开关被切换后调用。
 	// enabled=true 时上层应该重新把 pending 预览视频入队（类似旧的全局开关从关到开）；
 	// enabled=false 时通常不用做事 —— worker 入队前会再次查 catalog，自然停止。
@@ -1931,6 +1932,14 @@ func (a *AdminServer) handleAdminListVideos(w http.ResponseWriter, r *http.Reque
 		writeErr(w, http.StatusInternalServerError, err)
 		return
 	}
+	if a.GetPreviewGenerationVideoIDs != nil {
+		generating := a.GetPreviewGenerationVideoIDs()
+		for _, item := range items {
+			if item != nil && generating[item.ID] {
+				item.PreviewStatus = "generating"
+			}
+		}
+	}
 	writeJSON(w, http.StatusOK, map[string]any{
 		"items": items,
 		"total": total,

backend/internal/api/admin_test.go

@@ -2504,6 +2504,80 @@ func TestHandleAdminListVideosPaginates(t *testing.T) {
 	}
 }
 
+func TestHandleAdminListVideosMarksActivePreviewGeneration(t *testing.T) {
+	ctx := context.Background()
+	cat, err := catalog.Open(t.TempDir() + "/catalog.db")
+	if err != nil {
+		t.Fatalf("open catalog: %v", err)
+	}
+	t.Cleanup(func() {
+		if err := cat.Close(); err != nil {
+			t.Fatalf("close catalog: %v", err)
+		}
+	})
+
+	now := time.Now()
+	for _, v := range []*catalog.Video{
+		{
+			ID:            "active-video",
+			DriveID:       "OneDrive",
+			FileID:        "active-file",
+			Title:         "Active video",
+			PreviewStatus: "ready",
+			PublishedAt:   now,
+			CreatedAt:     now,
+			UpdatedAt:     now,
+		},
+		{
+			ID:            "idle-video",
+			DriveID:       "OneDrive",
+			FileID:        "idle-file",
+			Title:         "Idle video",
+			PreviewStatus: "ready",
+			PublishedAt:   now.Add(-time.Hour),
+			CreatedAt:     now,
+			UpdatedAt:     now,
+		},
+	} {
+		if err := cat.UpsertVideo(ctx, v); err != nil {
+			t.Fatalf("seed video %s: %v", v.ID, err)
+		}
+	}
+
+	req := httptest.NewRequest(http.MethodGet, "/admin/api/videos?driveId=OneDrive", nil)
+	rr := httptest.NewRecorder()
+	(&AdminServer{
+		Catalog: cat,
+		GetPreviewGenerationVideoIDs: func() map[string]bool {
+			return map[string]bool{"active-video": true}
+		},
+	}).handleAdminListVideos(rr, req)
+
+	if rr.Code != http.StatusOK {
+		t.Fatalf("status = %d, body = %s", rr.Code, rr.Body.String())
+	}
+	var got struct {
+		Items []catalog.Video `json:"items"`
+		Total int             `json:"total"`
+	}
+	if err := json.NewDecoder(rr.Body).Decode(&got); err != nil {
+		t.Fatalf("decode: %v", err)
+	}
+	if got.Total != 2 || len(got.Items) != 2 {
+		t.Fatalf("response total/items = %d/%d, want 2/2", got.Total, len(got.Items))
+	}
+	statusByID := map[string]string{}
+	for _, item := range got.Items {
+		statusByID[item.ID] = item.PreviewStatus
+	}
+	if statusByID["active-video"] != "generating" {
+		t.Fatalf("active status = %q, want generating", statusByID["active-video"])
+	}
+	if statusByID["idle-video"] != "ready" {
+		t.Fatalf("idle status = %q, want ready", statusByID["idle-video"])
+	}
+}
+
 func TestHandleRegenAllPreviewsInvokesHook(t *testing.T) {
 	called := false
 	server := &AdminServer{

backend/internal/preview/ffmpeg.go

@@ -1114,6 +1114,19 @@ func (q *videoQueue) release(v *catalog.Video) {
 	q.mu.Unlock()
 }
 
+func (q *videoQueue) idsSnapshot() []string {
+	q.mu.Lock()
+	defer q.mu.Unlock()
+	if len(q.ids) == 0 {
+		return nil
+	}
+	out := make([]string, 0, len(q.ids))
+	for id := range q.ids {
+		out = append(out, id)
+	}
+	return out
+}
+
 func (q *videoQueue) lengthExcluding(currentID string) int {
 	q.mu.Lock()
 	defer q.mu.Unlock()
@@ -1241,6 +1254,13 @@ func (w *Worker) Status() TaskStatus {
 	return taskStatus(&w.activity, &w.rateLimit, w.queue.lengthExcluding(currentID))
 }
 
+func (w *Worker) ActiveVideoIDs() []string {
+	if w == nil {
+		return nil
+	}
+	return w.queue.idsSnapshot()
+}
+
 func (w *ThumbWorker) Status() TaskStatus {
 	if w == nil {
 		return TaskStatus{State: "idle"}

src/admin/VideosPage.tsx

@@ -21,9 +21,17 @@ import { formatBytes } from "./storageFormat";
 const DESKTOP_VIDEOS_PAGE_SIZE = 50;
 const MOBILE_VIDEOS_PAGE_SIZE = 20;
 const VIDEOS_MOBILE_QUERY = "(max-width: 640px)";
+const REGEN_PREVIEW_STATUS = "generating";
+const REGEN_PREVIEW_POLL_INTERVAL_MS = 2000;
+const REGEN_PREVIEW_TRACK_TIMEOUT_MS = 30 * 60 * 1000;
 
 type TabKey = "current" | "blacklist";
 
+type RegenPreviewState = {
+  expiresAt: number;
+  originalUpdatedAt: number;
+};
+
 const TABS: { key: TabKey; label: string }[] = [
   { key: "current", label: "当前视频" },
   { key: "blacklist", label: "拉黑视频" },
@@ -121,6 +129,7 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
   const [deleteTarget, setDeleteTarget] = useState<api.AdminVideo | null>(null);
   const [deleting, setDeleting] = useState(false);
   const [deleteSource, setDeleteSource] = useState(false);
+  const [regenPreviewById, setRegenPreviewById] = useState<Record<string, RegenPreviewState>>({});
   const pageSize = useVideosPageSize();
   const { show } = useToast();
 
@@ -147,6 +156,19 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
     }
   }
 
+  async function refreshListOnly() {
+    try {
+      const r = await api.listVideos({ driveId, page, size: pageSize, keyword: searchKeyword });
+      setList(r.items ?? []);
+      setTotal(r.total ?? 0);
+    } catch {
+      // Polling is only used to clear optimistic preview-generation state.
+    }
+  }
+
+  const trackedRegenCount = Object.keys(regenPreviewById).length;
+  const hasGeneratingPreview = list.some((v) => v.previewStatus === REGEN_PREVIEW_STATUS);
+
   useEffect(() => {
     refresh();
   }, [driveId, page, searchKeyword, pageSize]);
@@ -164,6 +186,33 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
     return () => window.clearTimeout(timer);
   }, [keyword]);
 
+  useEffect(() => {
+    if (trackedRegenCount === 0 && !hasGeneratingPreview) return;
+    const timer = window.setInterval(() => {
+      refreshListOnly();
+    }, REGEN_PREVIEW_POLL_INTERVAL_MS);
+    return () => window.clearInterval(timer);
+  }, [trackedRegenCount, hasGeneratingPreview, driveId, page, pageSize, searchKeyword]);
+
+  useEffect(() => {
+    if (trackedRegenCount === 0) return;
+    const now = Date.now();
+    setRegenPreviewById((current) => {
+      const next = { ...current };
+      let changed = false;
+      const byId = new Map(list.map((v) => [v.id, v]));
+      for (const [id, state] of Object.entries(current)) {
+        const video = byId.get(id);
+        const updatedAt = videoUpdatedAtMs(video);
+        if (!video || now >= state.expiresAt || updatedAt > state.originalUpdatedAt) {
+          delete next[id];
+          changed = true;
+        }
+      }
+      return changed ? next : current;
+    });
+  }, [list, trackedRegenCount]);
+
   const driveNameMap = new Map(drives.map((d) => [d.id, d.name || d.id]));
 
   const listItems = list;
@@ -177,6 +226,7 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
   async function handleRegen(v: api.AdminVideo) {
     try {
       await api.regenPreview(v.id);
+      trackRegeneratingPreview([v]);
       show("已触发预览视频重生", "success");
     } catch (e) {
       show(e instanceof Error ? e.message : "触发失败", "error");
@@ -196,13 +246,20 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
 
   async function confirmBatchRegen() {
     const ids = [...selectedIds];
+    const videoById = new Map(listItems.map((v) => [v.id, v]));
     setBatchRegening(true);
     let success = 0;
     try {
       const results = await Promise.allSettled(ids.map((id) => api.regenPreview(id)));
-      for (const r of results) {
+      const acceptedVideos: api.AdminVideo[] = [];
-        if (r.status === "fulfilled") success++;
+      results.forEach((r, index) => {
-      }
+        if (r.status === "fulfilled") {
+          const video = videoById.get(ids[index]);
+          if (video) acceptedVideos.push(video);
+          success++;
+        }
+      });
+      trackRegeneratingPreview(acceptedVideos);
       show(
         `批量触发完成，成功 ${success} / ${ids.length} 个`,
         success === ids.length ? "success" : "info"
@@ -214,6 +271,25 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
     }
   }
 
+  function trackRegeneratingPreview(videos: api.AdminVideo[]) {
+    if (videos.length === 0) return;
+    const startedAt = Date.now();
+    setRegenPreviewById((current) => {
+      const next = { ...current };
+      for (const v of videos) {
+        next[v.id] = {
+          expiresAt: startedAt + REGEN_PREVIEW_TRACK_TIMEOUT_MS,
+          originalUpdatedAt: videoUpdatedAtMs(v),
+        };
+      }
+      return next;
+    });
+  }
+
+  function isPreviewGenerating(v: api.AdminVideo) {
+    return !!regenPreviewById[v.id] || v.previewStatus === REGEN_PREVIEW_STATUS;
+  }
+
   async function confirmDeleteVideo() {
     if (!deleteTarget) return;
     const target = deleteTarget;
@@ -398,7 +474,7 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
                   <td data-label="作者">{v.author || <span className="admin-text-faint">—</span>}</td>
                   <td data-label="时长">{formatDur(v.durationSeconds)}</td>
                   <td data-label="预览视频">
-                    <PreviewStatus s={v.previewStatus} />
+                    <PreviewStatus s={isPreviewGenerating(v) ? REGEN_PREVIEW_STATUS : v.previewStatus} />
                   </td>
                   <td data-label="来源" className="admin-mono-cell">
                     {driveNameMap.get(v.driveId) ?? v.driveId}
@@ -407,8 +483,14 @@ function CurrentVideosTab({ onStatsChanged }: { onStatsChanged: () => void }) {
                     <button type="button" className="admin-btn" onClick={() => setEditing(v)} title="编辑视频">
                       <Edit size={13} />
                     </button>{" "}
-                    <button type="button" className="admin-btn" onClick={() => handleRegen(v)} title="重生预览视频">
+                    <button
-                      <RefreshCw size={13} />
+                      type="button"
+                      className="admin-btn"
+                      onClick={() => handleRegen(v)}
+                      disabled={isPreviewGenerating(v)}
+                      title={isPreviewGenerating(v) ? "预览视频正在生成" : "重生预览视频"}
+                    >
+                      <RefreshCw size={13} className={isPreviewGenerating(v) ? "admin-spin" : undefined} />
                     </button>{" "}
                     <button
                       type="button"
@@ -832,6 +914,7 @@ function VideoTitleCell({ video: v }: { video: api.AdminVideo }) {
 }
 
 function PreviewStatus({ s }: { s: string }) {
+  if (s === REGEN_PREVIEW_STATUS) return <span className="admin-status is-generating">生成中</span>;
   if (s === "ready") return <span className="admin-status is-ok">就绪</span>;
   if (s === "failed") return <span className="admin-status is-error">失败</span>;
   if (s === "disabled") return <span className="admin-status">已关闭</span>;
@@ -871,6 +954,12 @@ function formatDateTime(ms: number): string {
   return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
 }
 
+function videoUpdatedAtMs(video?: api.AdminVideo): number {
+  if (!video?.updatedAt) return 0;
+  const value = Date.parse(video.updatedAt);
+  return Number.isFinite(value) ? value : 0;
+}
+
 function useVideosPageSize() {
   const [pageSize, setPageSize] = useState(() =>
     window.matchMedia(VIDEOS_MOBILE_QUERY).matches ? MOBILE_VIDEOS_PAGE_SIZE : DESKTOP_VIDEOS_PAGE_SIZE

src/styles/admin.css

@@ -1898,6 +1898,7 @@
 .admin-status.is-ok { background: var(--success-soft); color: var(--success); }
 .admin-status.is-error { background: var(--danger-soft); color: var(--danger); }
 .admin-status.is-pending { background: var(--warning-soft); color: var(--warning); }
+.admin-status.is-generating { background: var(--info-soft); color: var(--info); }
 
 .admin-generation-state.is-generating { background: var(--info-soft); color: var(--info); }
 .admin-generation-state.is-cooling { background: var(--warning-soft); color: var(--warning); }

tests/adminVideosPagination.test.ts

@@ -20,3 +20,19 @@ test("admin videos batch delete runs deletions sequentially", () => {
     /Promise\.allSettled\(\s*ids\.map\(\(id\) => api\.deleteVideo\(id(?:, [^)]+)?\)\)\s*\)/
   );
 });
+
+test("admin videos show generating status after preview regeneration is accepted", () => {
+  assert.match(videosPageSource, /const REGEN_PREVIEW_STATUS = "generating";/);
+  assert.match(videosPageSource, /const \[regenPreviewById, setRegenPreviewById\]/);
+  assert.match(videosPageSource, /trackRegeneratingPreview\(\[v\]\)/);
+  assert.match(videosPageSource, /<PreviewStatus s=\{isPreviewGenerating\(v\) \? REGEN_PREVIEW_STATUS : v\.previewStatus\} \/>/);
+  assert.match(videosPageSource, /refreshListOnly\(\)/);
+});
+
+test("admin videos keep generating status after page refresh", () => {
+  assert.match(videosPageSource, /const hasGeneratingPreview = list\.some\(\(v\) => v\.previewStatus === REGEN_PREVIEW_STATUS\);/);
+  assert.match(videosPageSource, /if \(trackedRegenCount === 0 && !hasGeneratingPreview\) return;/);
+  assert.match(videosPageSource, /function isPreviewGenerating\(v: api\.AdminVideo\)/);
+  assert.match(videosPageSource, /return !!regenPreviewById\[v\.id\] \|\| v\.previewStatus === REGEN_PREVIEW_STATUS;/);
+  assert.match(videosPageSource, /disabled=\{isPreviewGenerating\(v\)\}/);
+});