Add link to maintenance plan in layer detail

If the RRS is enabled, then add a way to get from the layer detail page
to any maintenance plans in which the layer is included.

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>

layerindex/views.py

@@ -368,6 +368,10 @@ class LayerDetailView(DetailView):
             context['updates'] = layerbranch.layerupdate_set.order_by('-started')
         context['url_branch'] = self.kwargs['branch']
         context['this_url_name'] = resolve(self.request.path_info).url_name
+        if 'rrs' in settings.INSTALLED_APPS:
+            from rrs.models import MaintenancePlanLayerBranch
+            # We don't care about branch, only that the layer is included
+            context['rrs_maintplans'] = [m.plan for m in MaintenancePlanLayerBranch.objects.filter(layerbranch__layer=layer)]
         return context
 
 class LayerReviewDetailView(LayerDetailView):

rrs/urls.py

@@ -2,11 +2,14 @@ from django.conf.urls import patterns, include, url
 
 from rrs.models import Release, Milestone
 from rrs.views import RecipeListView, recipes_report, RecipeDetailView, \
-    MaintainerListView, FrontPageRedirect
+    MaintainerListView, FrontPageRedirect, MaintenancePlanRedirect
 
 urlpatterns = patterns('',
     url(r'^$', FrontPageRedirect.as_view(),
         name='rrs_frontpage'),
+    url(r'^maintplan/(?P<maintplan_name>.*)/$',
+        MaintenancePlanRedirect.as_view(),
+        name='rrs_maintplan'),
     url(r'^recipes/(?P<maintplan_name>.*)/(?P<release_name>.*)/(?P<milestone_name>.*)/$',
         RecipeListView.as_view(
             template_name='rrs/recipes.html'),

rrs/views.py

@@ -32,6 +32,20 @@ class FrontPageRedirect(RedirectView):
             raise Exception('No milestones defined for release %s' % release.name)
         return reverse('rrs_recipes', args=(maintplan.name, release.name, milestone.name))
 
+class MaintenancePlanRedirect(RedirectView):
+    permanent = False
+
+    def get_redirect_url(self, maintplan_name):
+        maintplan = get_object_or_404(MaintenancePlan, name=maintplan_name)
+        release = Release.get_current(maintplan)
+        if not release:
+            raise Exception('No releases defined for maintenance plan %s' % maintplan.name)
+        milestone = Milestone.get_current(release)
+        if not milestone:
+            raise Exception('No milestones defined for release %s' % release.name)
+        return reverse('rrs_recipes', args=(maintplan.name, release.name, milestone.name))
+
+
 def _check_url_params(upstream_status, maintainer_name):
     get_object_or_404(Maintainer, name=maintainer_name)
 

templates/layerindex/detail.html

@@ -136,6 +136,17 @@
                     </ul>
                     {% endif %}
 
+                    {% if rrs_maintplans %}
+                    <h3>{{ rrs_maintplans|pluralize:"Maintenance Plan,Maintenance Plans" }}</h3>
+                    <ul>
+                        {% for maintplan in rrs_maintplans %}
+                        <li>
+                            <a href="{% url 'rrs_maintplan' maintplan.name %}">{{ maintplan.name }}</a>
+                        </li>
+                        {% endfor %}
+                    </ul>
+                    {% endif %}
+
                 </div> <!-- end of span7 -->
 
                 <div class="span4 pull-right description">