ensure the course multilanguages are isolated with all related apps

apps/blog/views_admin.py

@@ -36,13 +36,22 @@ class AdminBlogViewSet(ModelViewSet):
 
         # Custom Search handling for JSON fields
         search_query = self.request.query_params.get('search', None)
+        has_search = False
         if search_query:
+            has_search = True
+            from django.db.models import Case, When, Value, IntegerField
             # Note: Searching inside a JSON array of dicts in Django can be tricky 
             # depending on your DB (PostgreSQL vs SQLite). 
             # This is a safe fallback using text casting for SQLite/PG compatibility.
             queryset = queryset.filter(
                 Q(title__icontains=search_query) |
                 Q(slogan__icontains=search_query)
+            ).annotate(
+                search_relevance=Case(
+                    When(title__icontains=search_query, then=Value(2)),
+                    default=Value(1),
+                    output_field=IntegerField()
+                )
             )
             
         created_date = self.request.query_params.get('created', None)
@@ -57,6 +66,8 @@ class AdminBlogViewSet(ModelViewSet):
         if created_before:
             queryset = queryset.filter(created_at__date__lte=created_before)
 
+        if has_search:
+            return queryset.order_by('-search_relevance', '-created_at')
         return queryset.order_by('-created_at')
 
 class AdminBlogContentViewSet(ModelViewSet):

apps/quiz/views/admin.py

@@ -91,14 +91,23 @@ class AdminQuizViewSet(ModelViewSet):
 
         # Handle Search
         search_query = self.request.query_params.get('search', None)
+        has_search = False
         if search_query:
+            has_search = True
             matching_course_ids = find_matching_course_ids(search_query)
             matching_lesson_ids = find_matching_lesson_ids(search_query)
+            from django.db.models import Case, When, Value, IntegerField
             queryset = queryset.filter(
                 Q(title__icontains=search_query) |
                 Q(description__icontains=search_query) |
                 Q(course_id__in=matching_course_ids) |
                 Q(lesson_id__in=matching_lesson_ids)
+            ).annotate(
+                search_relevance=Case(
+                    When(title__icontains=search_query, then=Value(2)),
+                    default=Value(1),
+                    output_field=IntegerField()
+                )
             )
 
         # Handle Course Filter
@@ -119,6 +128,8 @@ class AdminQuizViewSet(ModelViewSet):
             elif status_param.lower() == 'false':
                 queryset = queryset.filter(status=False)
 
+        if has_search:
+            return queryset.order_by('-search_relevance', '-id')
         return queryset.order_by('-id')
 
     @action(detail=True, methods=['get'])

apps/transaction/views.py

@@ -462,6 +462,7 @@ class AdminTransactionViewSet(ModelViewSet):
     """
     queryset = TransactionParticipant.objects.all()
     serializer_class = AdminTransactionSerializer
+
     permission_classes = [IsAuthenticated, IsSuperAdmin]
     authentication_classes = [TokenAuthentication]
     pagination_class = StandardResultsSetPagination
@@ -476,7 +477,9 @@ class AdminTransactionViewSet(ModelViewSet):
 
         # Search
         search_query = self.request.query_params.get('search', None)
+        has_search = False
         if search_query:
+            has_search = True
             matching_course_ids = list(
                 Course.objects.filter(
                     Q(title__icontains=search_query) |
@@ -492,10 +495,19 @@ class AdminTransactionViewSet(ModelViewSet):
                     or normalized_search in extract_text_from_json(course.slug).lower()
                 ]
 
+            from django.db.models import Case, When, Value, IntegerField
             queryset = queryset.filter(
                 Q(user__fullname__icontains=search_query) |
                 Q(user__email__icontains=search_query) |
                 Q(course_id__in=matching_course_ids)
+            ).annotate(
+                search_relevance=Case(
+                    When(user__fullname__icontains=search_query, then=Value(3)),
+                    When(user__email__icontains=search_query, then=Value(2)),
+                    When(course_id__in=matching_course_ids, then=Value(1)),
+                    default=Value(0),
+                    output_field=IntegerField()
+                )
             )
 
         # Status filter
@@ -525,5 +537,6 @@ class AdminTransactionViewSet(ModelViewSet):
         if date_before:
             queryset = queryset.filter(created_at__date__lte=date_before)
 
+        if has_search:
+            return queryset.order_by('-search_relevance', '-created_at')
         return queryset.order_by('-created_at')
-