make revert feature work

markupwiki/templates/markupwiki/history.html

@@ -12,6 +12,32 @@
 {% endblock %}
 
 {% block article_body %}
+
+    <form action="{% url revert article.title %}" method="post">
+
+        {% csrf_token %}
+
+        <label for="revert-version">Revert to</label>
+        <select name="revision" id="revert-version">
+            {% for version in versions reversed %}
+                {% if not forloop.first %}
+                    <option value="{{ version.number }}">
+                        {% if version.number == 0 %}
+                            Initial
+                        {% else %}
+                            {{ version.number }}
+                        {% endif %}
+                    </option>
+                {% endif %}
+            {% endfor %}
+        </select>
+
+        <button class="compareBtn" type="submit">
+            <span>Revert to version</span>
+        </button>
+
+    </form>
+
 <table>
 <thead> <tr>
     <th>Version</th>
@@ -46,4 +72,5 @@
     <span>Compare Selected Versions</span>
 </button>
 </form>
+
 {% endblock %}

markupwiki/urls.py

@@ -12,5 +12,6 @@ urlpatterns = patterns('markupwiki.views',
     url(WIKI_REGEX + '/history/$', 'article_history', name='article_history'),
     url(WIKI_REGEX + '/history/(?P<n>\d+)/$', 'view_article', name='article_version'),
     url(WIKI_REGEX + '/diff/$', 'article_diff', name='article_diff'),
+    url(WIKI_REGEX + '/revert/$', 'revert', name='revert'),
     url(WIKI_REGEX + '/$', 'view_article', name='view_article'),
 )

markupwiki/views.py

@@ -8,7 +8,7 @@ from django.contrib import messages
 from django.http import Http404
 from django.template import RequestContext
 from django.utils.functional import wraps
-from markupwiki.models import Article, PUBLIC, DELETED, LOCKED
+from markupwiki.models import Article, ArticleVersion, PUBLIC, DELETED, LOCKED
 from markupwiki.forms import ArticleForm, StaffModerationForm, ArticleRenameForm
 
 CREATE_MISSING_ARTICLE = getattr(settings,
@@ -169,7 +169,7 @@ def revert(request, title):
     '''
     article = get_object_or_404(Article, title=title)
     revision_id = int(request.POST['revision'])
-    revision = get_object_or_404(revision, number=revision_id)
+    revision = get_object_or_404(article.versions, number=revision_id)
     ArticleVersion.objects.create(article=article, author=request.user,
                                   number=article.versions.latest().number,
                                   comment='reverted to r%s' % revision_id,