From 255d4e7bb79f312770c18ac269a3e5d09c48798f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C4=93teris=20Caune?= <cuu508@gmail.com>
Date: Thu, 16 Jul 2020 16:15:58 +0300
Subject: [PATCH] Reduce the number of queries in /admin/api/channel/

---
 hc/api/admin.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hc/api/admin.py b/hc/api/admin.py
index ade82b30..d7920a0e 100644
--- a/hc/api/admin.py
+++ b/hc/api/admin.py
@@ -188,7 +188,7 @@ class ChannelsAdmin(admin.ModelAdmin):
 
     @mark_safe
     def project_(self, obj):
-        url = reverse("hc-checks", args=[obj.project.code])
+        url = reverse("hc-checks", args=[obj.project_code])
         name = escape(obj.project_name or "Default")
         email = escape(obj.email)
         return f"{email} &rsaquo; <a href='{url}'>{name}</a>"
@@ -196,6 +196,7 @@ class ChannelsAdmin(admin.ModelAdmin):
     def get_queryset(self, request):
         qs = super().get_queryset(request)
         qs = qs.annotate(Count("notification", distinct=True))
+        qs = qs.annotate(project_code=F("project__code"))
         qs = qs.annotate(project_name=F("project__name"))
         qs = qs.annotate(email=F("project__owner__email"))
         return qs