major server manager overhaul

ServerManagerWebApp/backend/app/samba_manager.py

@@ -35,13 +35,54 @@ class SambaManager:
                     "name": f.filename,
                     "is_directory": f.isDirectory,
                     "size": f.file_size,
-                    "path": full_item_path
+                    "path": full_item_path,
+                    "last_modified": f.last_write_time
                 })
             return items
         except Exception as e:
             logger.error(f"Error listing path '{current_dir_path}' on share '{self.share_name}': {e}", exc_info=True)
             return []
 
+    def search_files(self, query, start_path="/"):
+        """
+        Recursively searches for files matching query (partial, case-insensitive).
+        """
+        matches = []
+        try:
+            stack = [start_path]
+            while stack:
+                current_path = stack.pop()
+                try:
+                    files = self.conn.listPath(self.share_name, current_path)
+                except Exception:
+                    continue # Skip unreadable dirs
+
+                for f in files:
+                    if f.filename in ['.', '..']: continue
+                    
+                    normalized_current_path = current_path
+                    if normalized_current_path != '/' and not normalized_current_path.endswith('/'):
+                        normalized_current_path += '/'
+                    
+                    full_item_path = f"{normalized_current_path}{f.filename}".replace("\\", "/")
+                    
+                    if query.lower() in f.filename.lower():
+                        matches.append({
+                            "name": f.filename,
+                            "is_directory": f.isDirectory,
+                            "size": f.file_size,
+                            "path": full_item_path,
+                            "last_modified": f.last_write_time
+                        })
+                    
+                    if f.isDirectory:
+                        stack.append(full_item_path)
+                        
+        except Exception as e:
+            logger.error(f"Error searching path '{start_path}': {e}")
+            
+        return matches
+
 
     def delete_file(self, path):
         try:
@@ -63,6 +104,8 @@ class SambaManager:
             self.conn.retrieveFile(self.share_name, path, file_obj)
             return {"success": True}
         except Exception as e:
+            if "Scan canceled by user" in str(e):
+                raise e
             return {"error": str(e)}
 
     def download_file_range(self, path, file_obj, offset, max_length):