Implement sticky forum threads

forums/forms.py

@@ -9,4 +9,4 @@ class ReplyForm(forms.ModelForm):
 class TopicForm(forms.ModelForm):
     class Meta:
         model = models.Topic
-        exclude = ('forum', 'rootPost')
+        exclude = ('forum', 'rootPost', 'sticky')

forums/models.py

@@ -59,6 +59,10 @@ class Topic(models.Model):
     created = models.DateTimeField(editable=False, auto_now_add=True)
     updated = models.DateTimeField(editable=False, auto_now=True)
     slug = models.SlugField(editable=False, blank=True)
+    sticky = models.BooleanField(default=False)
+
+    class Meta:
+        ordering = ['-sticky', '-updated']
 
     def save(self, *args, **kwargs):
         unique_slug(self, slug_source='title', slug_field='slug')

templates/forums/forum.html

@@ -19,7 +19,7 @@
 </tr>
 {% if topics %}
 {% for topic in topics %}
-<tr class="{%cycle 'even' 'odd' %}">
+<tr class="{%cycle 'even' 'odd' %} {% if topic.sticky %}sticky{% endif %}">
     <td><a href="{{topic.get_absolute_url}}">{{ topic.title }}</a></td>
     <td>{{ topic.created }} </td>
     <td>{{topic.lastPost.created}} by {{ topic.lastPost.user }} </td>