Only show labels which haven't been linked yet

...in the dropbox for adding new labels to a ticket.

todosrht/blueprints/ticket.py

@@ -57,8 +57,12 @@ def ticket_GET(owner, name, ticket_id):
 
         is_subscribed = bool(sub)
 
+    ticket_labels = TicketLabel.query.filter(TicketLabel.ticket_id == ticket.id)
+    labels = [tl.label for tl in ticket_labels]
+
     return render_template("ticket.html", tracker=tracker, ticket=ticket,
-            access=access, is_subscribed=is_subscribed, tracker_sub=tracker_sub)
+            access=access, is_subscribed=is_subscribed, tracker_sub=tracker_sub,
+            labels=labels)
 
 @ticket.route("/<owner>/<name>/<int:ticket_id>/enable_notifications", methods=["POST"])
 @loginrequired

todosrht/templates/ticket.html

@@ -148,7 +148,7 @@
             }}">
             <select id="label_id" name="label_id">
               <option>-- Pick one --</option>
-              {% for label in tracker.labels %}
+              {% for label in tracker.labels if label not in labels %}
               <option value="{{ label.id }}">
                 {{ label.name }}
               </option>