Add arch-specific group overview pages

This is easy enough to refactor and support with our current infrastructure
and group-fetching functions.

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

5 files changed, 21 insertions, 10 deletions

diff --git a/packages/utils.py b/packages/utils.py
index 93d0de7..aaec0ec 100644
--- a/packages/utils.py
+++ b/packages/utils.py
@@ -8,7 +8,7 @@ from main.utils import cache_function
 from .models import PackageGroup
 
 @cache_function(300)
-def get_group_info():
+def get_group_info(include_arches=None):
     raw_groups = PackageGroup.objects.values_list(
             'name', 'pkg__arch__name').order_by('name').annotate(
              cnt=Count('pkg'), last_update=Max('pkg__last_update'))
@@ -38,10 +38,12 @@ def get_group_info():
                     new_g['arch'] = arch
                     arch_groups[grp['name']] = new_g
 
-    # now transform it back into a sorted list
+    # now transform it back into a sorted list, including only the specified
+    # architectures if we got a list
     groups = []
-    for val in group_mapping.itervalues():
-        groups.extend(val.itervalues())
+    for key, val in group_mapping.iteritems():
+        if not include_arches or key in include_arches:
+            groups.extend(val.itervalues())
     return sorted(groups, key=itemgetter('name', 'arch'))
 
 class Difference(object):
diff --git a/packages/views.py b/packages/views.py
index 4e68314..e00e6f9 100644
--- a/packages/views.py
+++ b/packages/views.py
@@ -88,9 +88,17 @@ def details(request, name='', repo='', arch=''):
         return redirect("/packages/?arch=%s&repo=%s&q=%s" % (
             arch.lower(), repo.title(), name))
 
-def groups(request):
-    grps = get_group_info()
-    return direct_to_template(request, 'packages/groups.html', {'groups': grps})
+def groups(request, arch=None):
+    arches = []
+    if arch:
+        get_object_or_404(Arch, name=arch, agnostic=False)
+        arches.append(arch)
+    grps = get_group_info(arches)
+    context = {
+        'groups': grps,
+        'arch': arch,
+    }
+    return direct_to_template(request, 'packages/groups.html', context)
 
 def group_details(request, arch, name):
     arch = get_object_or_404(Arch, name=arch)
diff --git a/templates/packages/group_details.html b/templates/packages/group_details.html
index df9c5e9..9cfa7b7 100644
--- a/templates/packages/group_details.html
+++ b/templates/packages/group_details.html
@@ -1,5 +1,5 @@
 {% extends "base.html" %}
-{% block title %}Arch Linux - {{ groupname }} - Group Details{% endblock %}
+{% block title %}Arch Linux - {{ groupname }} - {{ arch.name }} - Group Details{% endblock %}
 {% block navbarclass %}anb-packages{% endblock %}
 
 {% block content %}
diff --git a/templates/packages/groups.html b/templates/packages/groups.html
index 8a96b7e..87316a3 100644
--- a/templates/packages/groups.html
+++ b/templates/packages/groups.html
@@ -1,10 +1,10 @@
 {% extends "base.html" %}
-{% block title %}Arch Linux - Package Groups{% endblock %}
+{% block title %}Arch Linux - Package Groups{% if arch %} - {{ arch }}{% endif %}{% endblock %}
 {% block navbarclass %}anb-packages{% endblock %}
 
 {% block content %}
 <div class="box">
-    <h2>Package Groups Overview</h2>
+    <h2>Package Groups Overview{% if arch %} - {{ arch }}{% endif %}</h2>
     <table class="results">
         <thead>
             <tr>
diff --git a/urls.py b/urls.py
index 75f2ae7..b0f58b9 100644
--- a/urls.py
+++ b/urls.py
@@ -18,6 +18,7 @@ admin.autodiscover()
 
 urlpatterns = patterns('packages.views',
     (r'^groups/$', 'groups'),
+    (r'^groups/(?P<arch>[A-z0-9]+)/$', 'groups'),
     (r'^groups/(?P<arch>[A-z0-9]+)/(?P<name>[A-z0-9\-+.]+)/$',
         'group_details'),