Add sort by option to topic list

app/templates/todo/topics.html

@@ -9,17 +9,28 @@ Topics to be Added
 		{% if current_user.rank.atLeast(current_user.rank.EDITOR) %}
 			{% if n >= 10000 %}
 				<a class="btn btn-primary"
-						href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=100) }}">
+						href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=100, sort=sort_by) }}">
 					Paginiated List
 				</a>
 			{% else %}
 				<a class="btn btn-primary"
-						href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=10000) }}">
+						href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=10000, sort=sort_by) }}">
 					Unlimited List
 				</a>
 			{% endif %}
 		{% endif %}
-		<a class="btn btn-primary" href="{{ url_for('todo_topics_page', q=query, show_discarded=not show_discarded) }}">
+		{% if sort_by == "name" %}
+			<a class="btn btn-primary"
+					href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=n, sort='date') }}">
+				Sort by date
+			</a>
+		{% else %}
+			<a class="btn btn-primary"
+					href="{{ url_for('todo_topics_page', q=query, show_discarded=show_discarded, n=n, sort='name') }}">
+				Sort by name
+			</a>
+		{% endif %}
+		<a class="btn btn-primary" href="{{ url_for('todo_topics_page', q=query, show_discarded=not show_discarded, n=n, sort=sort_by) }}">
 			{% if not show_discarded %}
 				Show
 			{% else %}

app/views/packages/todo.py

@@ -63,7 +63,12 @@ def todo_topics_page():
 	total = query.count()
 
 	query = query.filter(~ db.exists().where(Package.forums==ForumTopic.topic_id)) \
-		.order_by(db.asc(ForumTopic.wip), db.asc(ForumTopic.name), db.asc(ForumTopic.title))
+
+	sort_by = request.args.get("sort")
+	if sort_by == "name":
+		query = query.order_by(db.asc(ForumTopic.wip), db.asc(ForumTopic.name), db.asc(ForumTopic.title))
+	elif sort_by is None or sort_by == "date":
+		query = query.order_by(db.asc(ForumTopic.created_at))
 
 	topic_count = query.count()
 
@@ -85,4 +90,4 @@ def todo_topics_page():
 	return render_template("todo/topics.html", topics=query.items, total=total, \
 			topic_count=topic_count, query=search, show_discarded=show_discarded, \
 			next_url=next_url, prev_url=prev_url, page=page, page_max=query.pages, \
-			n=num)
+			n=num, sort_by=sort_by)