Update storage/data_routers.py

storage/data_routers.py

@@ -35,17 +35,35 @@ def get_data_tree(
     validate_token(token)
 
     def build_tree(path: Path):
+        """
+        Build a tree representation of directories and files.
+        Prevents errors by checking if the path is a directory before iterating.
+        """
+    
+        if not path.exists():
+            return {"name": path.name, "type": "missing"}
+    
+        # Si es un fichero → devolvemos un nodo simple
         if path.is_file():
             return {
                 "name": path.name,
                 "type": "file"
             }
-
-        # Directory case
+    
+        # Si es un directorio → construimos sus hijos
         children = []
-        for child in sorted(path.iterdir(), key=lambda p: p.name.lower()):
+        try:
+            entries = sorted(path.iterdir(), key=lambda p: p.name.lower())
+        except Exception:
+            # Si por cualquier razón no podemos listar, lo tratamos como file
+            return {
+                "name": path.name,
+                "type": "file"
+            }
+    
+        for child in entries:
             children.append(build_tree(child))
-
+    
         return {
             "name": path.name,
             "type": "directory",