Update service/auth_service.py

service/auth_service.py

@@ -56,20 +56,14 @@ class AuthService:
     @staticmethod
     def get_google_oauth_url(redirect_to: str = None):
         try:
-            # This is your FastAPI backend callback URL
-            base_callback = "https://hammad712-digitalbillboard.hf.space/auth/callback"
-            
-            # If redirect_to is 'digital-billboard://', we bake it into the callback URL
-            # so it comes back to us in the 'google_callback' function later.
-            if redirect_to:
-                computed_callback = f"{base_callback}?final_dest={redirect_to}"
-            else:
-                computed_callback = base_callback
+            # If the app sends a custom redirect (like our mobile scheme), use it DIRECTLY.
+            # Otherwise, fall back to the backend callback (which handles the Vercel web logic).
+            target_redirect = redirect_to if redirect_to else "https://hammad712-digitalbillboard.hf.space/auth/callback"
     
             response = supabase.auth.sign_in_with_oauth({
                 "provider": "google",
                 "options": {
-                    "redirect_to": computed_callback # Supabase will return the user here
+                    "redirect_to": target_redirect
                 }
             })
             return response.url