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app.py

@@ -101,6 +101,9 @@ def main():
     """
 
     with gr.Blocks(title="DataPass", theme=theme.get_theme(), css=custom_css) as demo:
+        # State to track logged-in username (triggers re-render when changed)
+        logged_in_user = gr.State(value=None)
+
         # Hero Section
         gr.HTML("""
         <div class="hero-section">
@@ -411,9 +414,9 @@ def main():
 
             # Catalog Tab
             with gr.Tab("Catalog", id="catalog"):
-                # Use gr.render to dynamically create cards with integrated buttons
-                @gr.render(triggers=[demo.load])
-                def render_catalog(profile: gr.OAuthProfile | None = None, token: gr.OAuthToken | None = None):
+                # Use gr.render with State input to re-render when login state changes
+                @gr.render(inputs=[logged_in_user])
+                def render_catalog(username):
                     datasets = utils.get_catalog() or []
 
                     if not datasets:
@@ -464,7 +467,7 @@ def main():
 
                             # Footer with action
                             with gr.Row(elem_classes="card-footer-row"):
-                                if profile:
+                                if username:
                                     # User is logged in - show subscribe button
                                     btn = gr.Button(
                                         button_text,
@@ -520,11 +523,12 @@ def main():
         </div>
         """)
 
-        # Load user status
+        # Load user status and update login state
         def load_user_status(profile: gr.OAuthProfile | None):
             if profile:
-                return f"👤 Signed in as **{profile.username}**"
-            return "Sign in to subscribe to datasets"
+                # Return both status text AND username for the State
+                return f"👤 Signed in as **{profile.username}**", profile.username
+            return "Sign in to subscribe to datasets", None
 
         # Load subscriptions
         def load_subscriptions(profile: gr.OAuthProfile | None, token: gr.OAuthToken | None):
@@ -541,8 +545,8 @@ def main():
             user_subs = utils.get_user_subscriptions(profile.username, hf_token)
             return subscriptions.create_subscriptions_html(user_subs)
 
-        # Load on page load
-        demo.load(fn=load_user_status, outputs=[user_status])
+        # Load on page load - update both user_status and logged_in_user state
+        demo.load(fn=load_user_status, outputs=[user_status, logged_in_user])
         demo.load(fn=load_subscriptions, outputs=[subscriptions_container])
 
     return demo