From c31d746494f4c1f6851e17cb724890b0a9bb0f1c Mon Sep 17 00:00:00 2001
From: Arthur <worldnomad@gmail.com>
Date: Tue, 27 Sep 2022 10:33:34 -0700
Subject: [PATCH] 8927 refactor search

---
 netbox/netbox/forms/__init__.py         | 36 ++++++++++---------------
 netbox/netbox/settings.py               |  2 +-
 netbox/search/backends.py               | 19 +++++++++++++
 netbox/utilities/templatetags/search.py |  9 +++++--
 4 files changed, 41 insertions(+), 25 deletions(-)

diff --git a/netbox/netbox/forms/__init__.py b/netbox/netbox/forms/__init__.py
index 4ea4f1fe2..0b7933adf 100644
--- a/netbox/netbox/forms/__init__.py
+++ b/netbox/netbox/forms/__init__.py
@@ -6,27 +6,10 @@ from search.backends import default_search_engine
 from .base import *
 
 
-def build_search_choices():
-    result = list()
-    result.append(('', 'All Objects'))
-    for category, items in default_search_engine.get_registry().items():
-        subcategories = list()
-        for slug, obj in items.items():
-            name = obj.queryset.model._meta.verbose_name_plural
-            name = name[0].upper() + name[1:]
-            subcategories.append((slug, name))
-        result.append((category, tuple(subcategories)))
+def build_options(choices):
+    options = [{"label": choices[0][1], "items": []}]
 
-    return tuple(result)
-
-
-OBJ_TYPE_CHOICES = build_search_choices()
-
-
-def build_options():
-    options = [{"label": OBJ_TYPE_CHOICES[0][1], "items": []}]
-
-    for label, choices in OBJ_TYPE_CHOICES[1:]:
+    for label, choices in choices[1:]:
         items = []
 
         for value, choice_label in choices:
@@ -38,5 +21,14 @@ def build_options():
 
 class SearchForm(BootstrapMixin, forms.Form):
     q = forms.CharField(label='Search')
-    obj_type = forms.ChoiceField(choices=OBJ_TYPE_CHOICES, required=False, label='Type')
-    options = build_options()
+    options = None
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["obj_type"] = forms.ChoiceField(choices=default_search_engine.get_search_choices(), required=False, label='Type')
+
+    def get_options(self):
+        if not self.options:
+            self.options = build_options(default_search_engine.get_search_choices())
+
+        return self.options
diff --git a/netbox/netbox/settings.py b/netbox/netbox/settings.py
index d61e5cac9..dc3f90d04 100644
--- a/netbox/netbox/settings.py
+++ b/netbox/netbox/settings.py
@@ -319,6 +319,7 @@ INSTALLED_APPS = [
     'social_django',
     'taggit',
     'timezone_field',
+    'search',
     'circuits',
     'dcim',
     'ipam',
@@ -330,7 +331,6 @@ INSTALLED_APPS = [
     'wireless',
     'django_rq',  # Must come after extras to allow overriding management commands
     'drf_yasg',
-    'search',
 ]
 
 # Middleware
diff --git a/netbox/search/backends.py b/netbox/search/backends.py
index 61bb80b8a..69fb50979 100644
--- a/netbox/search/backends.py
+++ b/netbox/search/backends.py
@@ -20,6 +20,7 @@ class SearchBackend(object):
     """A search engine capable of performing multi-table searches."""
 
     _created_engines: dict = dict()
+    _search_choices = tuple()
 
     @classmethod
     def get_created_engines(cls):
@@ -66,6 +67,24 @@ class SearchBackend(object):
 
     # Signalling hooks.
 
+    def get_search_choices(self):
+        if self._search_choices:
+            return self._search_choices
+
+        result = list()
+        result.append(('', 'All Objects'))
+        for category, items in self.get_registry().items():
+            subcategories = list()
+            for slug, obj in items.items():
+                name = obj.queryset.model._meta.verbose_name_plural
+                name = name[0].upper() + name[1:]
+                subcategories.append((slug, name))
+            result.append((category, tuple(subcategories)))
+
+        self._search_choices = tuple(result)
+        print(self._search_choices)
+        return self._search_choices
+
     def _use_hooks(self):
         raise NotImplementedError
 
diff --git a/netbox/utilities/templatetags/search.py b/netbox/utilities/templatetags/search.py
index 5726ae5d5..c9cd04380 100644
--- a/netbox/utilities/templatetags/search.py
+++ b/netbox/utilities/templatetags/search.py
@@ -4,13 +4,18 @@ from django import template
 
 register = template.Library()
 
-search_form = SearchForm()
+search_form = None
 
 
 @register.inclusion_tag("search/searchbar.html")
 def search_options(request) -> Dict:
+    global search_form
+
+    if not search_form:
+        search_form = SearchForm()
+
     """Provide search options to template."""
     return {
-        'options': search_form.options,
+        'options': search_form.get_options(),
         'request': request,
     }