Delete the DocumentChangeDates model from CommunityList, it's being

used as a cache, but won't be necessary once the display code is
rewritten since it will be able to calculate the data on the fly
 - Legacy-Id: 10682

Author: OleLaursen

ietf/community/display.py

@@ -182,22 +182,22 @@ class PublicationSort(SortMethod):
     description = 'Date of publication of current version of the document'
 
     def get_sort_field(self):
-        return '-documentchangedates__new_version_date'
+        return '-time' # FIXME: latest revision date
 
 class ChangeSort(SortMethod):
     codename = 'recent_change'
     description = 'Date of most recent change of status of any type'
 
     def get_sort_field(self):
-        return '-documentchangedates__normal_change_date'
+        return '-time' # FIXME: latest doc event
 
 
 class SignificantSort(SortMethod):
     codename = 'recent_significant'
     description = 'Date of most recent significant change of status'
 
     def get_sort_field(self):
-        return '-documentchangedates__significant_change_date'
+        return '-time' # FIXME: latest significant state change
 
 
 TYPES_OF_SORT = [(i.codename, i.description) for i in SortMethod.__subclasses__()]

ietf/community/management/commands/update_doc_change_dates.py

@@ -203,29 +203,15 @@ def notify_events(sender, instance, **kwargs):
         return
     if instance.doc.type.slug != 'draft' or instance.type == 'added_comment':
         return
-    (changes, created) = DocumentChangeDates.objects.get_or_create(document=instance.doc)
-    changes.normal_change_date = instance.time
     significant = False
     if instance.type == 'changed_document' and 'tate changed' in instance.desc:
         for i in SIGNIFICANT_STATES:
             if ('<b>%s</b>' % i) in instance.desc:
                 significant = True
-                changes.significant_change_date = instance.time
                 break
-    elif instance.type == 'new_revision':
-        changes.new_version_date = instance.time
-    changes.save()
     notification = ListNotification.objects.create(
         event=instance,
         significant=significant,
     )
     notification.notify_by_email()
 signals.post_save.connect(notify_events)
-
-
-class DocumentChangeDates(models.Model):
-
-    document = models.ForeignKey(Document)
-    new_version_date = models.DateTimeField(blank=True, null=True)
-    normal_change_date = models.DateTimeField(blank=True, null=True)
-    significant_change_date = models.DateTimeField(blank=True, null=True)

ietf/community/models.py

@@ -88,20 +88,3 @@ class Meta:
             "community_list": ALL_WITH_RELATIONS,
         }
 api.community.register(EmailSubscriptionResource())
-
-from ietf.doc.resources import DocumentResource
-class DocumentChangeDatesResource(ModelResource):
-    document         = ToOneField(DocumentResource, 'document')
-    class Meta:
-        queryset = DocumentChangeDates.objects.all()
-        serializer = api.Serializer()
-        #resource_name = 'documentchangedates'
-        filtering = { 
-            "id": ALL,
-            "new_version_date": ALL,
-            "normal_change_date": ALL,
-            "significant_change_date": ALL,
-            "document": ALL_WITH_RELATIONS,
-        }
-api.community.register(DocumentChangeDatesResource())
-