From fcf11d5b4f91f1a5adaf593b2b7b2ec4c9311b5a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C4=93teris=20Caune?= <cuu508@gmail.com>
Date: Thu, 5 Mar 2020 16:15:02 +0200
Subject: [PATCH] Reduce the number of SQL queries in the "Check Details" page.

---
 hc/front/views.py            | 1 +
 templates/front/details.html | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/hc/front/views.py b/hc/front/views.py
index b42bd9cb..1bcb6c3a 100644
--- a/hc/front/views.py
+++ b/hc/front/views.py
@@ -521,6 +521,7 @@ def details(request, code):
         "project": check.project,
         "check": check,
         "channels": channels,
+        "enabled_channels": list(check.channel_set.all()),
         "timezones": pytz.all_timezones,
         "downtimes": check.downtimes(months=3),
         "is_new": "new" in request.GET,
diff --git a/templates/front/details.html b/templates/front/details.html
index 1eb7e008..0f4f9459 100644
--- a/templates/front/details.html
+++ b/templates/front/details.html
@@ -193,10 +193,10 @@
             <h2>Notification Methods</h2>
             <table id="details-integrations" class="table">
             {% for channel in channels %}
-                <tr data-url="{% url 'hc-switch-channel' check.code channel.code %}" {% if channel in check.channel_set.all %}class="on"{% endif %}>
+                <tr data-url="{% url 'hc-switch-channel' check.code channel.code %}" {% if channel in enabled_channels %}class="on"{% endif %}>
                     <th>
                         <span class="label">
-                            {% if channel in check.channel_set.all %}ON{% else %}OFF{% endif %}
+                            {% if channel in enabled_channels %}ON{% else %}OFF{% endif %}
                         </span>
                     </th>
                     <td>