Refactor FileLoaderComponent to use Record and add Record import

src/backend/langflow/components/documentloaders/FileLoader.py

@@ -1,6 +1,7 @@
-from langchain_core.documents import Document
+from typing import List
 
 from langflow import CustomComponent
+from langflow.schema import Record
 from langflow.utils.constants import LOADERS_INFO
 
 
@@ -10,7 +11,9 @@ class FileLoaderComponent(CustomComponent):
     beta = True
 
     def build_config(self):
-        loader_options = ["Automatic"] + [loader_info["name"] for loader_info in LOADERS_INFO]
+        loader_options = ["Automatic"] + [
+            loader_info["name"] for loader_info in LOADERS_INFO
+        ]
 
         file_types = []
         suffixes = []
@@ -74,7 +77,7 @@ class FileLoaderComponent(CustomComponent):
             "code": {"show": False},
         }
 
-    def build(self, file_path: str, loader: str) -> Document:
+    def build(self, file_path: str, loader: str) -> List[Record]:
         file_type = file_path.split(".")[-1]
 
         # Map the loader to the correct loader class
@@ -102,7 +105,9 @@ class FileLoaderComponent(CustomComponent):
         if isinstance(selected_loader_info, dict):
             loader_import: str = selected_loader_info["import"]
         else:
-            raise ValueError(f"Loader info for {loader} is not a dict\nLoader info:\n{selected_loader_info}")
+            raise ValueError(
+                f"Loader info for {loader} is not a dict\nLoader info:\n{selected_loader_info}"
+            )
         module_name, class_name = loader_import.rsplit(".", 1)
 
         try:
@@ -110,7 +115,10 @@ class FileLoaderComponent(CustomComponent):
             loader_module = __import__(module_name, fromlist=[class_name])
             loader_instance = getattr(loader_module, class_name)
         except ImportError as e:
-            raise ValueError(f"Loader {loader} could not be imported\nLoader info:\n{selected_loader_info}") from e
+            raise ValueError(
+                f"Loader {loader} could not be imported\nLoader info:\n{selected_loader_info}"
+            ) from e
 
         result = loader_instance(file_path=file_path)
-        return result.load()
+        docs = result.load()
+        return self.to_records(docs, text_key="page_content", data_key="metadata")