Revert "Removed history_user link from change admin page"

This reverts commit d5c7985.

Author: macro1

simple_history/admin.py

@@ -18,6 +18,13 @@
     from django.utils.encoding import force_text
 except ImportError:  # django 1.3 compatibility
     from django.utils.encoding import force_unicode as force_text
+from django.conf import settings
+
+try:
+    USER_NATURAL_KEY = settings.AUTH_USER_MODEL
+except AttributeError:
+    USER_NATURAL_KEY = "auth.User"
+USER_NATURAL_KEY = tuple(key.lower() for key in USER_NATURAL_KEY.split('.', 1))
 
 
 class SimpleHistoryAdmin(admin.ModelAdmin):
@@ -52,6 +59,10 @@ def history_view(self, request, object_id, extra_context=None):
         action_list = history.filter(**{pk_name: object_id})
         # If no history was found, see whether this object even exists.
         obj = get_object_or_404(model, pk=object_id)
+        content_type = ContentType.objects.get_by_natural_key(
+            *USER_NATURAL_KEY)
+        admin_user_view = 'admin:%s_%s_change' % (content_type.app_label,
+                                                  content_type.model)
         context = {
             'title': _('Change history: %s') % force_text(obj),
             'action_list': action_list,
@@ -60,6 +71,7 @@ def history_view(self, request, object_id, extra_context=None):
             'root_path': getattr(self.admin_site, 'root_path', None),
             'app_label': app_label,
             'opts': opts,
+            'admin_user_view': admin_user_view
         }
         context.update(extra_context or {})
         return render(request, template_name=self.object_history_template,

simple_history/templates/simple_history/object_history.html

@@ -28,7 +28,7 @@
                 <td>{{ action.get_history_type_display }}</td>
                 <td>
                   {% if action.history_user %}
-                    {{ action.history_user }}
+                    <a href="{% url admin_user_view action.history_user_id %}">{{ action.history_user }}</a>
                   {% else %}
                     None
                   {% endif %}