Show history in sheets (refs #349)

1 files changed, 14 insertions, 2 deletions

diff --git a/ishtar/furnitures/views.py b/ishtar/furnitures/views.py
index 0320ce5c9..43e663267 100644
--- a/ishtar/furnitures/views.py
+++ b/ishtar/furnitures/views.py
@@ -212,9 +212,7 @@ def get_item(model, func_name, default_name, extra_request_keys=[],
             items = items.order_by(sign + k)
         datas = []
         if old:
-            print [item.pk for item in items]
             items = [item.get_previous(old) for item in items]
-            print [item.pk for item in items]
         for item in items:
             data = [item.pk]
             for k in model.TABLE_COLS:
@@ -286,9 +284,23 @@ def show_item(model, name):
         except ObjectDoesNotExist:
             return HttpResponse(None)
         doc_type = 'type' in dct and dct.pop('type')
+        date = 'date' in dct and dct.pop('date')
         dct['item'], dct['item_name'] = item, name
         dct['window_id'] = "%s-%d-%s" % (name, item.pk,
                                       datetime.datetime.now().strftime('%M%s'))
+        if date:
+            try:
+                date = datetime.datetime.strptime(date, '%Y-%m-%d %H:%M:%S.%f')
+                item = item.get_previous(date=date)
+                assert item != None
+            except (ValueError, AssertionError):
+                return HttpResponse(None, mimetype='text/plain')
+            dct['previous'] = item._previous
+            dct['next'] = item._next
+        else:
+            historized = item.history.all()
+            if len(historized) > 1:
+                dct['previous'] = historized[1].history_date
         context_instance = RequestContext(request)
         context_instance.update(dct)
         n = datetime.datetime.now()