Add last updated column to package groups view

Just another annotation to the queryset to get this data, and a little more
manipulation in the group data function. This will help when adding a
sitemap in a subsequent commit.

Signed-off-by: Dan McGee <dan@archlinux.org>

2 files changed, 10 insertions, 4 deletions

diff --git a/packages/views.py b/packages/views.py
index 3caf5ec..ae31f15 100644
--- a/packages/views.py
+++ b/packages/views.py
@@ -11,7 +11,7 @@ from django.contrib.admin.widgets import AdminDateWidget
 from django.views.decorators.cache import never_cache
 from django.views.decorators.vary import vary_on_headers
 from django.views.generic import list_detail
-from django.db.models import Count, Q
+from django.db.models import Count, Max, Q
 
 from datetime import datetime
 from operator import itemgetter
@@ -88,13 +88,14 @@ def details(request, name='', repo='', arch=''):
 def get_group_information():
     raw_groups = PackageGroup.objects.values_list(
             'name', 'pkg__arch__name').order_by('name').annotate(
-             cnt=Count('pkg'))
+             cnt=Count('pkg'), last_update=Max('pkg__last_update'))
     # now for post_processing. we need to seperate things out and add
     # the count in for 'any' to all of the other architectures.
     group_mapping = {}
     for g in raw_groups:
         arch_groups = group_mapping.setdefault(g[1], {})
-        arch_groups[g[0]] = {'name': g[0], 'arch': g[1], 'count': g[2]}
+        arch_groups[g[0]] = {'name': g[0], 'arch': g[1],
+                'count': g[2], 'last_update': g[3]}
 
     # we want to promote the count of 'any' packages in groups to the
     # other architectures, and also add any 'any'-only groups
@@ -104,7 +105,10 @@ def get_group_information():
         for arch, arch_groups in group_mapping.iteritems():
             for g in any_groups.itervalues():
                 if g['name'] in arch_groups:
-                    arch_groups[g['name']]['count'] += g['count']
+                    found = arch_groups[g['name']]
+                    found['count'] += g['count']
+                    if g['last_update'] > found['last_update']:
+                        found['last_update'] = g['last_update']
                 else:
                     new_g = g.copy()
                     # override the arch to not be 'any'
diff --git a/templates/packages/groups.html b/templates/packages/groups.html
index 4bf12ac..bb475b1 100644
--- a/templates/packages/groups.html
+++ b/templates/packages/groups.html
@@ -11,6 +11,7 @@
                 <th>Arch</th>
                 <th>Group Name</th>
                 <th>Package Count</th>
+                <th>Last Updated</th>
             </tr>
         </thead>
         <tbody>
@@ -20,6 +21,7 @@
                 <td><a href="/groups/{{ grp.arch }}/{{ grp.name }}/"
                         title="Group details for {{ grp.name }}">{{ grp.name }}</a></td>
                 <td>{{ grp.count }} Packages</td>
+                <td>{{ grp.last_update|date:"Y-m-d" }}</td>
             </tr>
             {% endfor %}
         </tbody>