FEAT: Initial work on revision history for assets

The revision history for individual items mostly works, though it shows database ID where it should show asset ID. Recent changes feed isn't yet done.

assets/models.py

@@ -6,6 +6,10 @@ from django.urls import reverse
 from django.db.models.signals import pre_save
 from django.dispatch.dispatcher import receiver
 
+from reversion import revisions as reversion
+from reversion.models import Version
+
+from RIGS.models import RevisionMixin
 
 class AssetCategory(models.Model):
     class Meta:
@@ -30,7 +34,8 @@ class AssetStatus(models.Model):
         return self.name
 
 
-class Supplier(models.Model):
+@reversion.register
+class Supplier(models.Model, RevisionMixin):
     name = models.CharField(max_length=80)
 
     class Meta:
@@ -55,7 +60,8 @@ class Connector(models.Model):
         return self.description
 
 
-class Asset(models.Model):
+@reversion.register
+class Asset(models.Model, RevisionMixin):
     class Meta:
         ordering = ['asset_id_prefix', 'asset_id_number']
         permissions = (

assets/templates/asset_update.html

@@ -45,6 +45,16 @@
   </div>
 </form>
 
+{% if not edit %}
+<div class="col-sm-12 text-right">
+    <div>
+        <a href="{% url 'asset_history' object.asset_id %}" title="View Revision History">
+            Last edited at {{ object.last_edited_at|default:'never' }} by {{ object.last_edited_by.name|default:'nobody' }}
+        </a>
+    </div>
+</div>
+{% endif %}
+
 {% endblock %}
 
 {% block js%}

assets/urls.py

@@ -1,5 +1,7 @@
+from django.conf.urls import url
 from django.urls import path
-from assets import views
+from assets import views, models
+from RIGS import versioning
 
 from PyRIGS.decorators import permission_required_with_403
 
@@ -10,6 +12,8 @@ urlpatterns = [
     path('asset/create/', permission_required_with_403('assets.add_asset')(views.AssetCreate.as_view()), name='asset_create'),
     path('asset/id/<str:pk>/edit/', permission_required_with_403('assets.change_asset')(views.AssetEdit.as_view()), name='asset_update'),
     path('asset/id/<str:pk>/duplicate/', permission_required_with_403('assets.add_asset')(views.AssetDuplicate.as_view()), name='asset_duplicate'),
+    path('asset/id/<str:pk>/history/', views.AssetVersionHistory.as_view(),
+        name='asset_history', kwargs={'model': models.Asset}),
 
     path('asset/search/', views.AssetSearch.as_view(), name='asset_search_json'),
 

assets/views.py

@@ -6,7 +6,7 @@ from django.utils.decorators import method_decorator
 from django.urls import reverse
 from django.db.models import Q
 from assets import models, forms
-
+from RIGS import versioning
 
 @method_decorator(csrf_exempt, name='dispatch')
 class AssetList(LoginRequiredMixin, generic.ListView):
@@ -203,3 +203,17 @@ class SupplierUpdate(generic.UpdateView):
     model = models.Supplier
     form_class = forms.SupplierForm
     template_name = 'supplier_update.html'
+
+class AssetVersionHistory(AssetIDUrlMixin, versioning.VersionHistory):
+    def get_context_data(self, **kwargs):
+        thisModel = self.kwargs['model']
+        context = super(versioning.VersionHistory, self).get_context_data(**kwargs)
+        queryset = models.Asset.objects.filter(asset_id=self.kwargs['pk'])
+        try:
+            # Get the single item from the filtered queryset
+            context['object'] = queryset.get()
+        except queryset.model.DoesNotExist:
+            raise Http404(_("No %(verbose_name)s found matching the query") %
+                          {'verbose_name': queryset.model._meta.verbose_name})
+
+        return context