8927 plugin search (#10489)

* #7016 base search classes

* 7016 add search indexes

* 7016 add search indexes

* 7016 add search indexes

* 7016 add search indexes

* 7016 add search indexes

* 7016 add search indexes

* 8927 refactor search

* 8927 refactor search

* 8927 refactor search

* 8927 refactor search

* 8927 get search choices working

* 8927 cleanup - optimize

* 8927 use backend search function

* 8927 fix for plugin search

* 8927 add docs

* Move search app to a module under netbox/

* Utilize global registry to register model search classes

* Build search form options from registry

* Determine search categories from model app by default

* Enable dynamic search registration for plugins

* Update docs & improve plugin support

* Clean up search backend class

* Docs for #8927

Co-authored-by: jeremystretch <jstretch@ns1.com>

netbox/wireless/search.py

@@ -0,0 +1,26 @@
+import wireless.filtersets
+import wireless.tables
+from dcim.models import Interface
+from netbox.search import SearchIndex, register_search
+from utilities.utils import count_related
+from wireless.models import WirelessLAN, WirelessLink
+
+
+@register_search()
+class WirelessLANIndex(SearchIndex):
+    model = WirelessLAN
+    queryset = WirelessLAN.objects.prefetch_related('group', 'vlan').annotate(
+        interface_count=count_related(Interface, 'wireless_lans')
+    )
+    filterset = wireless.filtersets.WirelessLANFilterSet
+    table = wireless.tables.WirelessLANTable
+    url = 'wireless:wirelesslan_list'
+
+
+@register_search()
+class WirelessLinkIndex(SearchIndex):
+    model = WirelessLink
+    queryset = WirelessLink.objects.prefetch_related('interface_a__device', 'interface_b__device')
+    filterset = wireless.filtersets.WirelessLinkFilterSet
+    table = wireless.tables.WirelessLinkTable
+    url = 'wireless:wirelesslink_list'