feat(hadis): add ancestors category_path serialization from MPTT root to leaf

apps/hadis/serializers/serializers_admin.py

@@ -45,6 +45,7 @@ class AdminHadisCategorySerializer(serializers.ModelSerializer):
     has_children = serializers.SerializerMethodField()
     is_leaf = serializers.SerializerMethodField()
     has_hadith = serializers.SerializerMethodField()
+    ancestors = serializers.SerializerMethodField()
 
     def get_has_children(self, obj):
         if hasattr(obj, "annotated_has_children"):
@@ -61,6 +62,24 @@ class AdminHadisCategorySerializer(serializers.ModelSerializer):
             return bool(obj.annotated_has_hadith)
         return obj.hadis_set.exists()
 
+    def get_ancestors(self, obj):
+        if not obj:
+            return []
+        ancestors_qs = obj.get_ancestors(include_self=True).select_related('sect')
+        return [
+            {
+                "id": a.id,
+                "title": a.title,
+                "slug": a.slug,
+                "source_type": a.source_type,
+                "sect_type": a.sect.sect_type if a.sect else None,
+                "order": a.order,
+                "is_root": a.parent_id is None,
+                "level": getattr(a, a._mptt_meta.level_attr) if hasattr(a, '_mptt_meta') else 0,
+            }
+            for a in ancestors_qs
+        ]
+
     class Meta:
         model = HadisCategory
         fields = [
@@ -76,6 +95,7 @@ class AdminHadisCategorySerializer(serializers.ModelSerializer):
             "has_children",
             "is_leaf",
             "has_hadith",
+            "ancestors",
         ]
 
 
@@ -226,6 +246,7 @@ class AdminHadisDetailSerializer(serializers.ModelSerializer):
         required=False,
     )
     collections_detail = serializers.SerializerMethodField()
+    category_path = serializers.SerializerMethodField()
     book_reference_id = serializers.PrimaryKeyRelatedField(
         queryset=BookReference.objects.all(),
         required=False,
@@ -235,6 +256,24 @@ class AdminHadisDetailSerializer(serializers.ModelSerializer):
 
     bookmark_count = serializers.SerializerMethodField()
 
+    def get_category_path(self, obj):
+        if not obj.category:
+            return []
+        ancestors_qs = obj.category.get_ancestors(include_self=True).select_related('sect')
+        return [
+            {
+                "id": a.id,
+                "title": a.title,
+                "slug": a.slug,
+                "source_type": a.source_type,
+                "sect_type": a.sect.sect_type if a.sect else None,
+                "order": a.order,
+                "is_root": a.parent_id is None,
+                "level": getattr(a, a._mptt_meta.level_attr) if hasattr(a, '_mptt_meta') else 0,
+            }
+            for a in ancestors_qs
+        ]
+
     class Meta:
         model = Hadis
         fields = [
@@ -243,6 +282,7 @@ class AdminHadisDetailSerializer(serializers.ModelSerializer):
             "slug",
             "category",
             "category_detail",
+            "category_path",
             "title_narrator",
             "title",
             "description",