fixed account deletion

backend-rs/src/routes/ratings.rs

@@ -492,10 +492,7 @@ async fn discover(
         cond = cond.add(rating::Column::FlavorId.is_in(flavor_ids));
     }
 
-    let count = Rating::find()
-        .filter(cond.clone())
-        .count(&state.db)
-        .await?;
+    let count = Rating::find().filter(cond.clone()).count(&state.db).await?;
     let mut query = Rating::find().filter(cond);
     query = if top {
         query

backend-rs/src/routes/users.rs

@@ -353,7 +353,12 @@ async fn suggested(
     // users_by_ids orders by id; restore the activity ranking afterwards.
     let users = users_by_ids(&state, &ranked).await?;
     let mut out = build_users(&state, &ctx, users, Some(uid)).await?;
-    out.sort_by_key(|u| ranked.iter().position(|id| *id == u.id).unwrap_or(usize::MAX));
+    out.sort_by_key(|u| {
+        ranked
+            .iter()
+            .position(|id| *id == u.id)
+            .unwrap_or(usize::MAX)
+    });
     Ok(Json(out))
 }
 
@@ -1045,12 +1050,21 @@ async fn request_account_deletion(
     active.deletion_code_expires = Set(Some(expires));
     active.update(&state.db).await?;
 
+    let link = format!(
+        "{}/settings?deletion_code={}",
+        state.config.frontend_url, code
+    );
     crate::email::spawn_mail(
         state.config.email.clone(),
         "Confirm Account Deletion - Holy Flavors Archive".into(),
         format!(
             "Hi {uname},\n\nYou requested to delete your account. \
-             This action is permanent.\n\nYour deletion code is: {code}"
+             This action is permanent and cannot be undone.\n\n\
+             Your deletion code is: {code}\n\n\
+             Or open this link (while signed in) to pre-fill the code, then \
+             confirm the deletion on the page:\n{link}\n\n\
+             If you didn't request this, you can safely ignore this email — \
+             nothing will be deleted without confirmation."
         ),
         vec![email],
     );
@@ -1138,6 +1152,19 @@ pub(crate) async fn delete_user_cascade(state: &AppState, uid: i32) -> ApiResult
         "DELETE FROM api_user_following WHERE from_user_id = ?1 OR to_user_id = ?1",
     ))
     .await?;
+    // Legacy Django tables that still carry FKs to api_user: the DRF auth token,
+    // the admin action log, and the (empty but constrained) group / permission
+    // M2M join tables. SQLite blocks the user delete unless these go first.
+    txn.execute(exec("DELETE FROM authtoken_token WHERE user_id = ?"))
+        .await?;
+    txn.execute(exec("DELETE FROM django_admin_log WHERE user_id = ?"))
+        .await?;
+    txn.execute(exec("DELETE FROM api_user_groups WHERE user_id = ?"))
+        .await?;
+    txn.execute(exec(
+        "DELETE FROM api_user_user_permissions WHERE user_id = ?",
+    ))
+    .await?;
     // Token blacklist tables reference the user via outstanding tokens.
     txn.execute(exec(
         "DELETE FROM token_blacklist_blacklistedtoken WHERE token_id IN \

frontend/src/pages/Settings.tsx

@@ -28,7 +28,7 @@ import {
   Switch,
 } from '@mui/material';
 import ArrowBackIcon from '@mui/icons-material/ArrowBack';
-import { useNavigate } from 'react-router-dom';
+import { useNavigate, useSearchParams } from 'react-router-dom';
 import { useQueryClient } from '@tanstack/react-query';
 import { useTranslation } from 'react-i18next';
 import { useAuth } from '../hooks/useAuth';
@@ -49,6 +49,7 @@ const readErr = (err: unknown): string | undefined =>
 const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const { t, i18n } = useTranslation();
   const navigate = useNavigate();
+  const [searchParams, setSearchParams] = useSearchParams();
   const queryClient = useQueryClient();
   const { refetchUser } = useAuth();
   useTitle(t('nav.settings'));
@@ -78,6 +79,19 @@ const Settings: React.FC<SettingsProps> = ({ themeName, onThemeChange }) => {
   const [message, setMessage] = useState<{ type: 'success' | 'error'; text: string } | null>(null);
   const [selectedBannerId, setSelectedBannerId] = useState<number | string>('');
 
+  // Deep link from the deletion email: ?deletion_code=NNNNNN pre-fills the code
+  // and opens the confirm form. The user still has to click "Delete" — the link
+  // is a convenience, not a one-click destruct. Strip the param after reading so
+  // it doesn't linger in the URL / browser history.
+  useEffect(() => {
+    const code = searchParams.get('deletion_code');
+    if (!code) return;
+    setDeletionCode(code);
+    setIsDeleting(true);
+    searchParams.delete('deletion_code');
+    setSearchParams(searchParams, { replace: true });
+  }, [searchParams, setSearchParams]);
+
   const handleGoBack = () => {
     if (window.history.length > 1) navigate(-1);
     else navigate('/');