Reduce query count for team lookups

hc/accounts/middleware.py

@@ -1,8 +1,15 @@
+from hc.accounts.models import Profile
+
+
 class TeamAccessMiddleware(object):
     def process_request(self, request):
         if not request.user.is_authenticated():
             return
 
+        teams_q = Profile.objects.filter(member__user_id=request.user.id)
+        teams_q = teams_q.select_related("user")
+        request.teams = list(teams_q)
+
         profile = request.user.profile
         if profile.current_team:
             request.team = profile.current_team

hc/api/tests/test_create_check.py

@@ -2,7 +2,6 @@ import json
 
 from hc.api.models import Channel, Check
 from hc.test import BaseTestCase
-from hc.accounts.models import Profile
 
 
 class CreateCheckTestCase(BaseTestCase):

hc/front/views.py

@@ -27,11 +27,12 @@ def pairwise(iterable):
 
 @login_required
 def my_checks(request):
-    checks = Check.objects.filter(user=request.team.user).order_by("created")
+    q = Check.objects.filter(user=request.team.user).order_by("created")
+    checks = list(q)
 
     counter = Counter()
     down_tags, grace_tags = set(), set()
-    for check in checks.iterator():
+    for check in checks:
         status = check.get_status()
         for tag in check.tags_list():
             if tag == "":

templates/base.html

@@ -110,26 +110,27 @@
             <ul class="nav navbar-nav navbar-right">
                 <li class="dropdown">
                     <a id="nav-email" href="#" class="dropdown-toggle" data-toggle="dropdown" role="button">
-                        {{ request.user.profile.current_team }} <span class="caret"></span>
+                        {{ request.team }} <span class="caret"></span>
                     </a>
                     <ul class="dropdown-menu">
+                        {% if request.teams %}
                         <li class="dropdown-header">{{ request.user.profile }}</li>
                         <li>
                             <a href="{% url 'hc-switch-team' request.user.username %}" class="active">Checks</a>
                         </li>
+                        {% endif %}
+
                         <li><a href="{% url 'hc-profile' %}">Account Settings</a></li>
                         <li role="separator" class="divider"></li>
 
-
-                        {% for m in request.user.member_set.all %}
-                        <li class="dropdown-header">{{ m.team }}</li>
+                        {% for team in request.teams %}
+                        <li class="dropdown-header">{{ team }}</li>
                         <li>
-                            <a href="{% url 'hc-switch-team' m.team.user.username %}">Checks</a>
+                            <a href="{% url 'hc-switch-team' team.user.username %}">Checks</a>
                         </li>
                         <li role="separator" class="divider"></li>
                         {% endfor %}
 
-
                         <li><a href="{% url 'hc-logout' %}">Log Out</a></li>
                     </ul>
                 </li>