kb: add history system (#7915)

welco/kb/models.py

@@ -19,8 +19,10 @@ from django.db import models
 from django.utils.translation import ugettext_lazy as _
 
 from ckeditor.fields import RichTextField
+import reversion
 
 
+@reversion.register
 class Page(models.Model):
     title = models.CharField(_('Title'), max_length=200)
     slug = models.SlugField(_('Slug'))

welco/kb/templates/kb/page_detail.html

@@ -4,6 +4,7 @@
 {% block appbar %}
 <h2>{% trans 'Knowledge Base' %} - {{ object.title }}</h2>
 <a rel="popup" href="{% url 'kb-page-delete' slug=object.slug %}">{% trans 'Delete' %}</a>
+<a href="{% url 'kb-page-history' slug=object.slug %}">{% trans 'History' %}</a>
 <a href="{% url 'kb-page-edit' slug=object.slug %}">{% trans 'Edit' %}</a>
 {% endblock %}
 

welco/kb/views.py

@@ -18,7 +18,7 @@ import json
 
 from django import template
 from django.core.urlresolvers import reverse_lazy
-from django.http import HttpResponse
+from django.http import HttpResponse, HttpResponseRedirect
 from django.template import RequestContext
 from django.views.decorators.csrf import csrf_exempt
 from django.views.generic import (DetailView, CreateView, UpdateView,
@@ -27,6 +27,8 @@ from django.views.generic import (DetailView, CreateView, UpdateView,
 from haystack.forms import SearchForm
 from haystack.generic_views import SearchView
 from haystack.query import SearchQuerySet
+from reversion.models import Version
+from reversion.revisions import default_revision_manager
 
 from .models import Page
 
@@ -81,6 +83,36 @@ class PageSearchView(SearchView):
 page_search = PageSearchView.as_view()
 
 
+class PageHistoryView(DetailView):
+    model = Page
+    template_name = 'kb/page_history.html'
+
+    def get_context_data(self, **kwargs):
+        context = super(PageHistoryView, self).get_context_data(**kwargs)
+        context['versions_list'] = default_revision_manager.get_for_object(self.get_object())
+        return context
+
+page_history = PageHistoryView.as_view()
+
+
+class PageVersionView(DetailView):
+    model = Page
+    template_name = 'kb/page_version.html'
+
+    def get_context_data(self, **kwargs):
+        context = super(PageVersionView, self).get_context_data(**kwargs)
+        context['object'] = Version.objects.get(id=self.kwargs.get('version')).object_version.object
+        self.kwargs.get('version')
+        return context
+
+    def post(self, request, *args, **kwargs):
+        version = Version.objects.get(id=self.kwargs.get('version'))
+        version.revision.revert()
+        return HttpResponseRedirect(self.get_object().get_absolute_url())
+
+page_version = PageVersionView.as_view()
+
+
 class KbZone(TemplateView):
     template_name = 'kb/zone.html'
 

welco/settings.py

@@ -41,6 +41,7 @@ INSTALLED_APPS = (
     'django_select2',
     'ckeditor',
     'haystack',
+    'reversion',
     'welco.sources.mail',
     'welco.qualif',
     'welco.kb',
@@ -56,6 +57,7 @@ MIDDLEWARE_CLASSES = (
     'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
+    'reversion.middleware.RevisionMiddleware',
 )
 
 ROOT_URLCONF = 'welco.urls'

welco/urls.py

@@ -34,6 +34,8 @@ urlpatterns = patterns('',
     url(r'^ajax/kb/(?P<slug>[\w-]+)/$', 'welco.kb.views.page_detail_fragment', name='kb-page-fragment'),
     url(r'^kb/(?P<slug>[\w-]+)/edit$', 'welco.kb.views.page_edit', name='kb-page-edit'),
     url(r'^kb/(?P<slug>[\w-]+)/delete$', 'welco.kb.views.page_delete', name='kb-page-delete'),
+    url(r'^kb/(?P<slug>[\w-]+)/history$', 'welco.kb.views.page_history', name='kb-page-history'),
+    url(r'^kb/(?P<slug>[\w-]+)/version/(?P<version>\w+)/$', 'welco.kb.views.page_version', name='kb-page-version'),
 
     url(r'^ajax/contacts$', 'welco.contacts.views.zone', name='contacts-zone'),
     url(r'^contacts/search/json/$', 'welco.contacts.views.search_json', name='contacts-search-json'),