Try out postgres fulltext search.

shimatta_kenkyusho/parts/views.py

@@ -23,6 +23,7 @@ from django.db.models import Prefetch
 from django.db.models.functions import Lower
 from django.forms import formset_factory
 import uuid
+from django.contrib.postgres.search import SearchVector, SearchQuery, SearchRank, TrigramSimilarity
 
 ParameterSearchFormSet = formset_factory(ComponentParameterSearchForm, extra=0)
 
@@ -299,12 +300,18 @@ class PackageView(LoginRequiredMixin, BaseTemplateMixin, TemplateView):
             qs = qs.filter(s_filter)
         return qs
 
+    def search_packages_adv(self, search):
+        if not search:
+            return Package.objects.all()
+
+        return Package.objects.annotate(similarity=TrigramSimilarity('name', search)).order_by('-similarity')
+
     def get_context_data(self, **kwargs):
         context = super().get_context_data(**kwargs)
         page_num = self.request.GET.get('page', default=1)
         search_string = self.request.GET.get('search', default=None)
         
-        package_queryset = self.search_packages(search_string)
+        package_queryset = self.search_packages_adv(search_string)
 
         paginator = Paginator(package_queryset, self.default_page_size)       
 

shimatta_kenkyusho/shimatta_kenkyusho/settings.py

@@ -47,6 +47,7 @@ INSTALLED_APPS = [
     'crispy_forms',
     'crispy_bootstrap5',
     'django.forms',
+    'django.contrib.postgres'
 ]
 
 FORM_RENDERER = 'django.forms.renderers.TemplatesSetting'

shimatta_kenkyusho/shimatta_kenkyusho/settings_production.py

@@ -68,6 +68,7 @@ INSTALLED_APPS = [
     'crispy_forms',
     'crispy_bootstrap5',
     'django.forms',
+    'django.contrib.postgres'
 ]