Show reverse liaison reference in liaison detail. Fixes ietf-tools#387

 - Legacy-Id: 2550

Author: emiliosanchez

ietf/liaisons/views.py

@@ -204,7 +204,8 @@ def _find_person_in_emails(liaison, person):
 
 
 def liaison_detail(request, object_id):
-    public_liaisons = LiaisonDetail.objects.filter(Q(approval__isnull=True)|Q(approval__approved=True)).order_by("-submitted_date")
+    qfilter = Q(approval__isnull=True)|Q(approval__approved=True)
+    public_liaisons = LiaisonDetail.objects.filter(qfilter).order_by("-submitted_date")
     liaison = get_object_or_404(public_liaisons, pk=object_id)
     can_edit = False
     user = request.user
@@ -215,10 +216,12 @@ def liaison_detail(request, object_id):
         liaison.taken_care = True
         liaison.save()
         can_take_care = False
+    relations = liaison.liaisondetail_set.filter(qfilter)
     return  object_detail(request,
                           public_liaisons,
                           object_id=object_id,
                           extra_context = {'can_edit': can_edit,
+                                           'relations': relations,
                                            'can_take_care': can_take_care}
                          )
 

ietf/templates/liaisons/liaisondetail_detail.html

@@ -68,6 +68,16 @@ <h1>Liaison Statement: {% include 'liaisons/liaison_title.html' %}</h1>
 
 {% endif %}
 
+{% if relations %}
+<tr>
+<td>Liaisons referring to this one:</td>
+<td>
+{% for liaison in relations %}
+<a href="../{{ liaison.pk }}">{% if liaison.title %}{{ object.title }}{% else %}Liaison #{{ liaison.pk }}{% endif %}</a><br />
+{% endfor %}
+</td></tr>
+{% endif %}
+
 {% if object.related_to %}
 <tr>
 <td>Referenced liaison:</td>

ietf/templates/liaisons/liaisondetail_simple_list.html

@@ -43,6 +43,7 @@
 {% else %}
   <a href="{{ liaison.detail_id }}/">{{ liaison.title|escape }}</a>
 {% endif %}
+<span style="display: none" class="liaisonPK">{{ liaison.pk }}</span>
 </td>
 </tr>
 {% endfor %}