Bulk close operation

lib/topics_bulk_action.rb

@@ -4,27 +4,36 @@ class TopicsBulkAction
     @user = user
     @topic_ids = topic_ids
     @operation = operation
+    @changed_ids = []
   end
 
   def self.operations
-    %w(change_category)
+    %w(change_category close)
   end
 
   def perform!
     raise Discourse::InvalidParameters.new(:operation) unless TopicsBulkAction.operations.include?(@operation[:type])
     send(@operation[:type])
+    @changed_ids
   end
 
   private
 
     def change_category
-      changed_ids = []
       topics.each do |t|
         if guardian.can_edit?(t)
-          changed_ids << t.id if t.change_category(@operation[:category_name])
+          @changed_ids << t.id if t.change_category(@operation[:category_name])
+        end
+      end
+    end
+
+    def close
+      topics.each do |t|
+        if guardian.can_moderate?(t)
+          t.update_status('closed', true, @user)
+          @changed_ids << t.id
         end
       end
-      changed_ids
     end
 
     def guardian