still trying to make the leaderboard

app.py

@@ -23,11 +23,17 @@ results_repo = "cgeorgiaw/constellaration-results"
 def submit_boundary(
     problem_type: Literal["geometrical", "simple_to_build", "mhd_stable"],
     boundary_file: BinaryIO,
+    user_state,
 ) -> str:
     
+    # error handling
+    if user_state is None:
+        raise gr.Error("You must be logged in to submit a file.")
+    
     file_path = boundary_file.name
+
     if not file_path:
-        return "Error: Uploaded file object does not have a valid file path."
+        raise gr.Error("Uploaded file object does not have a valid file path.")
     
     path_obj = pathlib.Path(file_path)
     timestamp = datetime.utcnow().isoformat()
@@ -48,6 +54,7 @@ def submit_boundary(
             "problem_type": problem_type,
             "boundary_json": file_content.decode("utf-8"),
             "evaluated": False,
+            "user": user_state,
         }
         with tempfile.NamedTemporaryFile(mode="w", suffix=".json", delete=False) as tmp:
             json.dump(record, tmp, indent=2)
@@ -106,7 +113,7 @@ def write_results(record, result):
     pathlib.Path(tmp_name).unlink()
     return
 
-def get_user_profile(profile: gr.OAuthProfile | None) -> str:
+def get_user(profile: gr.OAuthProfile | None) -> str:
     if profile is None:
         return "Please login to submit a boundary for evaluation."
     return profile.name
@@ -148,9 +155,11 @@ def gradio_interface() -> gr.Blocks:
                 """
                 )
 
+                user_state = gr.State(value=None) 
+
                 gr.LoginButton()
-                m1 = gr.Markdown()
-                demo.load(get_user_profile, inputs=None, outputs=m1)
+
+                demo.load(get_user, inputs=None, outputs=user_state)
 
                 with gr.Row():
                     problem_type = gr.Dropdown(
@@ -163,7 +172,7 @@ def gradio_interface() -> gr.Blocks:
                 submit_btn = gr.Button("Evaluate")
                 submit_btn.click(
                     submit_boundary,
-                    inputs=[problem_type, boundary_file],
+                    inputs=[problem_type, boundary_file, user_state],
                     outputs=output,
                 )