retrieve login_hint in register handler

crates/handlers/src/views/register/mod.rs

@@ -9,7 +9,7 @@ use axum::{
 };
 use mas_axum_utils::{InternalError, SessionInfoExt, cookies::CookieJar, csrf::CsrfExt as _};
 use mas_data_model::{BoxClock, BoxRng, SiteConfig};
-use mas_router::{PasswordRegister, UpstreamOAuth2Authorize, UrlBuilder};
+use mas_router::{PasswordRegister, PostAuthAction, UpstreamOAuth2Authorize, UrlBuilder};
 use mas_storage::BoxRepository;
 use mas_templates::{RegisterContext, TemplateContext, Templates};
 
@@ -75,6 +75,27 @@ pub(crate) async fn get(
         return Ok((cookie_jar, url_builder.redirect(&destination)).into_response());
     }
 
+    //:tchap:
+    //test login_hint
+    println!("Starting registration process");
+    if let Some(PostAuthAction::ContinueAuthorizationGrant { id }) = &query.post_auth_action {
+        println!("Found ContinueAuthorizationGrant action with id: {}", id);
+        if let Some(login_hint) = repo
+            .oauth2_authorization_grant()
+            .lookup(*id)
+            .await?
+            .and_then(|grant| grant.login_hint)
+        {
+            println!("Login hint in register: {}", login_hint);
+        } else {
+            println!("No login hint found for authorization grant");
+        }
+    } else {
+        println!("No ContinueAuthorizationGrant action found in query");
+    }
+    println!("Preparing to render registration template");
+    //:tchap:
+
     let mut ctx = RegisterContext::new(providers);
     let post_action = query
         .load_context(&mut repo)