add schema_get_files_info and call_function

functions/call_function.py

@@ -0,0 +1,6 @@
+from google.genai import types
+from functions.get_files_info import schema_get_files_info
+
+available_functions = types.Tool(
+    function_declarations=[schema_get_files_info],
+)

functions/get_files_info.py

@@ -1,4 +1,5 @@
 import os
+from google.genai import types
 
 def get_files_info(working_directory, directory="."):
     abs_path = os.path.abspath(working_directory)
@@ -17,4 +18,19 @@ def get_files_info(working_directory, directory="."):
             dir_string += f"- {item}: file_size={os.path.getsize(f"{target_dir}/{item}")}, is_dir={os.path.isdir(f"{target_dir}/{item}")}\n"
         return dir_string
     except Exception as e:
-        return f"Error: encountered during loop over dir_list: {e}"
+        return f"Error: encountered during loop over dir_list: {e}"
+        
+
+schema_get_files_info = types.FunctionDeclaration(
+    name="get_files_info",
+    description="Lists files in a specified directory relative to the working directory, providing file size and directory status",
+    parameters=types.Schema(
+        type=types.Type.OBJECT,
+        properties={
+            "directory": types.Schema(
+                type=types.Type.STRING,
+                description="Directory path to list files from, relative to the working directory (default is the working directory itself)",
+            ),
+        },
+    ),
+)