Add selected category to context

apps/course/views.py

@@ -176,6 +176,12 @@ class CoursesView(ListView):
         filtered = CourseFilter(self.request.GET, queryset=queryset)
         return filtered.qs
 
+    def get_context_data(self):
+        context = super().get_context_data()
+        filtered = CourseFilter(self.request.GET)
+        context.update(filtered.data)
+        return context
+
     def get_template_names(self):
         if self.request.is_ajax():
             return 'course/course_items.html'