BUGFIX: PMs could be created with a category

BUGFIX: hide category column when displaying the list of private messages

app/assets/javascripts/discourse/controllers/user_topics_list_controller.js

@@ -7,6 +7,7 @@
   @module Discourse
 **/
 Discourse.UserTopicsListController = Discourse.ObjectController.extend({
+  hideCategory: false,
 
   actions: {
     loadMore: function() {

app/assets/javascripts/discourse/routes/user_topic_list_routes.js

@@ -4,9 +4,12 @@ Discourse.UserTopicListRoute = Discourse.Route.extend({
   },
 
   setupController: function(controller, model) {
-    this.controllerFor('user_activity').set('userActionType', this.get('userActionType'));
-    this.controllerFor('user_topics_list').set('model', model);
     this.controllerFor('user').set('indexStream', false);
+    this.controllerFor('user_activity').set('userActionType', this.get('userActionType'));
+    this.controllerFor('user_topics_list').setProperties({
+      model: model,
+      hideCategory: false
+    });
   }
 });
 
@@ -20,6 +23,7 @@ function createPMRoute(viewName, path) {
 
     setupController: function() {
       this._super.apply(this, arguments);
+      this.controllerFor('user_topics_list').set('hideCategory', true);
       this.controllerFor('user').setProperties({
         pmView: viewName,
         indexStream: false

app/assets/javascripts/discourse/templates/list/user_topics_list.js.handlebars

@@ -1 +1 @@
-{{basic-topic-list topicList=model}}
+{{basic-topic-list topicList=model hideCategory=hideCategory}}

lib/topic_creator.rb

@@ -47,10 +47,20 @@ class TopicCreator
   end
 
   def setup
-    topic_params = {title: @opts[:title], user_id: @user.id, last_post_user_id: @user.id}
+    topic_params = {
-    topic_params[:archetype] = @opts[:archetype] if @opts[:archetype].present?
+      title: @opts[:title],
+      user_id: @user.id,
+      last_post_user_id: @user.id
+    }
+
     topic_params[:subtype] = @opts[:subtype] if @opts[:subtype].present?
 
+    if @opts[:archetype].present?
+      topic_params[:archetype] = @opts[:archetype]
+      # PM can't have a category
+      @opts.delete(:category) if topic_params[:archetype] == Archetype.private_message
+    end
+
     # Temporary fix to allow older clients to create topics.
     # When all clients are updated the category variable should
     # be set directly to the contents of the if statement.
@@ -59,10 +69,13 @@ class TopicCreator
     else
       Category.where(name: @opts[:category]).first
     end
+
     @guardian.ensure_can_create!(Topic,category)
+
     topic_params[:category_id] = category.id if category.present?
     topic_params[:meta_data] = @opts[:meta_data] if @opts[:meta_data].present?
     topic_params[:created_at] = Time.zone.parse(@opts[:created_at].to_s) if @opts[:created_at].present?
+
     topic_params
   end
 

spec/components/post_creator_spec.rb

@@ -313,13 +313,17 @@ describe PostCreator do
       PostCreator.create(user, title: 'hi there welcome to my topic',
                                raw: "this is my awesome message @#{unrelated.username_lower}",
                                archetype: Archetype.private_message,
-                               target_usernames: [target_user1.username, target_user2.username].join(','))
+                               target_usernames: [target_user1.username, target_user2.username].join(','),
+                               category: 1)
     end
 
     it 'acts correctly' do
       post.topic.archetype.should == Archetype.private_message
       post.topic.topic_allowed_users.count.should == 3
 
+      # PMs can't have a category
+      post.topic.category.should be_nil
+
       # does not notify an unrelated user
       unrelated.notifications.count.should == 0
       post.topic.subtype.should == TopicSubtype.user_to_user