Upload db.py with huggingface_hub

db.py

@@ -525,6 +525,54 @@ def get_storage_stats():
     return {'count': len(files), 'size_mb': round(total_size / 1024 / 1024, 2)}
 
 
+def list_uploads():
+    """列出 uploads/ 所有檔案（name, size_kb, mtime ISO 字串），按 mtime 新→舊"""
+    d = get_upload_dir()
+    files = list(d.glob('*.xls')) + list(d.glob('*.xlsx')) + list(d.glob('*.csv'))
+    files.sort(key=lambda p: p.stat().st_mtime, reverse=True)
+    out = []
+    for f in files:
+        st = f.stat()
+        out.append({
+            'name': f.name,
+            'size_kb': round(st.st_size / 1024, 1),
+            'mtime': datetime.fromtimestamp(st.st_mtime).strftime('%Y-%m-%d %H:%M'),
+        })
+    return out
+
+
+def delete_upload(filename):
+    """刪除 uploads/<filename>（本地 + 同步刪除 repo 對應檔案）。"""
+    d = get_upload_dir()
+    # 防目錄穿越
+    safe_name = os.path.basename(filename)
+    p = d / safe_name
+    if not p.exists():
+        return False
+    try:
+        p.unlink()
+    except Exception as e:
+        logger.warning(f'local delete failed: {e}')
+        return False
+    token = os.environ.get('HF_TOKEN', '')
+    username = os.environ.get('HF_USERNAME', '')
+    if token and username:
+        def _go():
+            try:
+                from huggingface_hub import HfApi
+                api = HfApi(token=token)
+                api.delete_file(
+                    path_in_repo=f'uploads/{safe_name}',
+                    repo_id=f'{username}/pradsa',
+                    repo_type='space',
+                )
+                logger.info(f'Deleted uploads/{safe_name} from repo')
+            except Exception as e:
+                logger.warning(f'repo delete failed: {e}')
+        threading.Thread(target=_go, daemon=True).start()
+    return True
+
+
 def register_user(username, password, display_name=''):
     """註冊新使用者"""
     backup_db()