Adiciona reversion no admin

Signed-off-by: Luciano Almeida <lucianoalmeida@interlegis.leg.br>

sapl/base/admin.py

@@ -1,6 +1,8 @@
 from django.contrib import admin
 from django.core.urlresolvers import reverse
+from django.shortcuts import redirect
 
+from reversion.models import Revision
 from sapl.base.models import ProblemaMigracao
 from sapl.utils import register_all_models_in_admin
 
@@ -27,3 +29,15 @@ class ProblemaMigracaoAdmin(admin.ModelAdmin):
 
     get_url.short_description = "Endereço"
     get_url.allow_tags = True
+
+
+class RevisionAdmin(admin.ModelAdmin):
+    list_display = ('user', 'comment', 'date_created')
+    search_fields = ('=user__username', '=user__email')
+    date_hierarchy = ('date_created')
+
+    def change_view(self, request, obj=None):
+        self.message_user(request, 'You cannot change history.')
+        return redirect('admin:reversion_revision_changelist')
+
+admin.site.register(Revision, RevisionAdmin)

sapl/settings.py

@@ -86,6 +86,7 @@ if DEBUG:
     INSTALLED_APPS += ('debug_toolbar', 'rest_framework_docs',)
 
 MIDDLEWARE_CLASSES = (
+    'reversion.middleware.RevisionMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.locale.LocaleMiddleware',
     'django.middleware.common.CommonMiddleware',

sapl/utils.py

@@ -18,6 +18,9 @@ from django.contrib.contenttypes.fields import (GenericForeignKey, GenericRel,
 from django.core.exceptions import ValidationError
 from django.utils.translation import ugettext_lazy as _
 from floppyforms import ClearableFileInput
+from reversion.admin import VersionAdmin
+import django_filters
+import magic
 
 from sapl.crispy_layout_mixin import SaplFormLayout, form_actions, to_row
 from sapl.settings import BASE_DIR
@@ -195,7 +198,7 @@ def register_all_models_in_admin(module_name):
     appname = appname[1] if appname[0] == 'sapl' else appname[0]
     app = apps.get_app_config(appname)
     for model in app.get_models():
-        class CustomModelAdmin(admin.ModelAdmin):
+        class CustomModelAdmin(VersionAdmin):
             list_display = [f.name for f in model._meta.fields
                             if f.name != 'id']