cat

src/services/article/searchArticles.js

@@ -77,18 +77,27 @@ function shapeCategories(counts, byId) {
     return categories;
 }
 
-/** Ensure every applied filter id appears in categories (count 0 if no hits). */
-function ensureFilterCategories(categories, filter, byId) {
+/**
+ * Ensure every applied filter id and its ancestors appear in categories
+ * (count 0 if no hits), so the frontend can render hierarchy via parent links.
+ */
+function ensureFilterCategories(categories, filter, byId, parentMap) {
     for (const id of filter) {
-        if (id === '' || id === null || categories[id]) {
+        if (id === '' || id === null) {
             continue;
         }
-        const meta = byId[id] ?? {};
-        categories[id] = {
-            count: 0,
-            name: meta.name ?? null,
-            parent: meta.parent ?? null,
-        };
+        for (const ancestorId of getUpPath(id, parentMap)) {
+            const key = String(ancestorId);
+            if (categories[key]) {
+                continue;
+            }
+            const meta = byId[ancestorId] ?? byId[key] ?? {};
+            categories[key] = {
+                count: 0,
+                name: meta.name ?? null,
+                parent: meta.parent ?? null,
+            };
+        }
     }
     return categories;
 }
@@ -206,7 +215,8 @@ export async function searchArticles(target, filter = [''], offset = 0, maxCount
             categoryData.byId
         ),
         filter,
-        categoryData.byId
+        categoryData.byId,
+        categoryData.parentMap
     );
     const length = result.recordset.length;
     const recordset = result.recordset