添加视频的删除功能

@@ -24,4 +24,5 @@ dist-ssr
 *.sw?
 *.pyc
 backend/whitelist.txt
-backend/gallery_data.json
+backend/gallery_images.json
+backend/gallery_videos.json

@@ -148,6 +148,18 @@ class JsonStore:
             self._write(data)
             return target_item
 
+    def delete_item(self, item_id: str) -> bool:
+        with self.lock:
+            data = self._read()
+            items = data.get(self.item_key, [])
+            initial_len = len(items)
+            items = [i for i in items if i.get("id") != item_id]
+            if len(items) < initial_len:
+                data[self.item_key] = items
+                self._write(data)
+                return True
+            return False
+
 image_store = JsonStore(GALLERY_IMAGES_PATH, item_key="images", max_items=GALLERY_MAX_ITEMS)
 video_store = JsonStore(GALLERY_VIDEOS_PATH, item_key="videos", max_items=GALLERY_MAX_ITEMS)
 whitelist_store = WhitelistStore(WHITELIST_PATH)
@@ -201,6 +213,23 @@ async def add_video(video: GalleryVideo):
     except Exception as exc:
         raise HTTPException(status_code=500, detail=f"Failed to store video metadata: {exc}")
 
+@app.delete("/gallery/videos/{item_id}")
+async def delete_video(item_id: str, user_id: str = Query(..., alias="userId")):
+    items = video_store.list_items()
+    target_item = next((i for i in items if i.get("id") == item_id), None)
+    
+    if not target_item:
+        raise HTTPException(status_code=404, detail="Video not found")
+        
+    ADMIN_ID = "86427531"
+    
+    if user_id != target_item.get("authorId") and user_id != ADMIN_ID:
+        raise HTTPException(status_code=403, detail="Not authorized to delete this video")
+
+    if video_store.delete_item(item_id):
+        return {"status": "ok", "id": item_id}
+    raise HTTPException(status_code=500, detail="Failed to delete video")
+
 @app.post("/generate", response_model=ImageGenerationResponse)
 async def generate_image(payload: ImageGenerationPayload):
     request_params_data = payload.model_dump(); body = {k: v for k, v in request_params_data.items() if v is not None and k != "author_id"}

@@ -3,7 +3,7 @@ import { ImageItem, ImageGenerationParams, UserProfile, VideoStatus } from './ty
 import { SHOWCASE_IMAGES, ADMIN_ID, VIDEO_OSS_BASE_URL } from './constants';
 import { generateImage } from './services/imageService';
 import { submitVideoJob, pollVideoStatus } from './services/videoService';
-import { fetchGallery, fetchVideoGallery, saveVideo, toggleLike } from './services/galleryService';
+import { fetchGallery, fetchVideoGallery, saveVideo, toggleLike, deleteVideo } from './services/galleryService';
 import MasonryGrid from './components/MasonryGrid';
 import InputBar from './components/InputBar';
 import HistoryBar from './components/HistoryBar';
@@ -192,6 +192,21 @@ const App: React.FC = () => {
     }
   };
 
+  const handleDeleteVideo = async (video: ImageItem) => {
+    if (!currentUser) { setIsAuthModalOpen(true); return; }
+    
+    if (!confirm("确定要删除这个视频吗？")) return;
+
+    try {
+        await deleteVideo(video.id, currentUser.employeeId);
+        setVideos(prev => prev.filter(v => v.id !== video.id));
+        setSelectedImage(null); // Close modal
+    } catch (e) {
+        console.error("Delete failed", e);
+        alert("删除失败");
+    }
+  };
+
   const handleGenerateSimilar = (params: ImageGenerationParams) => {
     setIncomingParams(params);
     const banner = document.getElementById('similar-feedback');
@@ -269,7 +284,7 @@ const App: React.FC = () => {
 
       <HistoryBar images={galleryMode === GalleryMode.Image ? userHistory : userVideoHistory} onSelect={setSelectedImage} />
       <InputBar onGenerate={handleGenerate} isGenerating={isGenerating || isGeneratingVideo} incomingParams={incomingParams} isVideoMode={galleryMode === GalleryMode.Video} videoStatus={videoStatus} />
-      {selectedImage && <DetailModal image={selectedImage} onClose={() => setSelectedImage(null)} onEdit={isAdmin ? handleOpenEditModal : undefined} onGenerateSimilar={handleGenerateSimilar}/>}
+      {selectedImage && <DetailModal image={selectedImage} onClose={() => setSelectedImage(null)} onEdit={isAdmin ? handleOpenEditModal : undefined} onGenerateSimilar={handleGenerateSimilar} onDelete={handleDeleteVideo} currentUser={currentUser} />}
       <AdminModal isOpen={isAdminModalOpen} onClose={() => setIsAdminModalOpen(false)} onSave={handleSaveImage} onDelete={handleDeleteImage} initialData={editingImage} />
       <WhitelistModal isOpen={isWhitelistModalOpen} onClose={() => setIsWhitelistModalOpen(false)} />
     </div>

 import React from 'react';
 import { ImageItem, ImageGenerationParams } from '../types';
-import { X, Copy, Download, Edit3, Heart, Zap } from 'lucide-react';
+import { X, Copy, Download, Edit3, Heart, Zap, Trash2 } from 'lucide-react';
 
 interface DetailModalProps {
   image: ImageItem | null;
   onClose: () => void;
   onEdit?: (image: ImageItem) => void;
   onGenerateSimilar?: (params: ImageGenerationParams) => void;
+  onDelete?: (image: ImageItem) => void;
+  currentUser?: { employeeId: string; hasAccess: boolean } | null;
 }
 
-const DetailModal: React.FC<DetailModalProps> = ({ image, onClose, onEdit, onGenerateSimilar }) => {
+import { ADMIN_ID } from '../constants';
+
+const DetailModal: React.FC<DetailModalProps> = ({ image, onClose, onEdit, onGenerateSimilar, onDelete, currentUser }) => {
   if (!image) return null;
 
   const isVideo = image.id.startsWith('vid-');
+  const isAdmin = currentUser?.employeeId === ADMIN_ID;
+  const isAuthor = currentUser?.employeeId === image.authorId;
+  const canDelete = onDelete && (isAdmin || isAuthor);
 
   const copyToClipboard = (text: string) => {
     navigator.clipboard.writeText(text);
@@ -52,6 +59,15 @@ const DetailModal: React.FC<DetailModalProps> = ({ image, onClose, onEdit, onGen
           <div className="flex justify-between items-start mb-6">
             <h2 className="text-2xl font-bold text-gray-800 dark:text-white">参数详情</h2>
             <div className="flex gap-2">
+              {canDelete && (
+                <button
+                  onClick={() => onDelete && onDelete(image)}
+                  className="p-2 bg-red-50 hover:bg-red-100 text-red-600 rounded-full transition-colors"
+                  title="删除"
+                >
+                  <Trash2 size={18} />
+                </button>
+              )}
               {onEdit && (
                 <button
                   onClick={() => onEdit(image)}

@@ -78,4 +78,18 @@ export const toggleLike = async (itemId: string, userId: string): Promise<ImageI
   }
 
   return await response.json();
+};
+
+export const deleteVideo = async (itemId: string, userId: string): Promise<void> => {
+  if (API_BASE_URL === Z_IMAGE_DIRECT_BASE_URL) {
+      throw new Error("Cannot delete videos in direct mode");
+  }
+  const response = await fetch(`${API_BASE_URL}/gallery/videos/${itemId}?userId=${userId}`, {
+      method: 'DELETE',
+  });
+
+  if (!response.ok) {
+      const errorText = await response.text();
+      throw new Error(`Delete failed (${response.status}): ${errorText}`);
+  }
 };
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