fixes #1270

app/models/post.rb

@@ -817,7 +817,7 @@ class Post < ActiveRecord::Base
         update_column(:is_deleted, true)
         update_column(:is_pending, false)
         update_column(:is_flagged, false)
-        update_column(:is_banned, true) if options[:ban]
+        update_column(:is_banned, true) if options[:ban] || has_tag?("banned_artist")
 
         unless options[:without_mod_action]
           ModAction.create(:description => "deleted post ##{id}")

test/unit/post_test.rb

@@ -56,6 +56,15 @@ class PostTest < ActiveSupport::TestCase
         end
       end
 
+      context "with the banned_artist tag" do
+        should "also ban the post" do
+          post = FactoryGirl.create(:post, :tag_string => "banned_artist")
+          post.delete!
+          post.reload
+          assert(post.is_banned?)
+        end
+      end
+
       should "update the fast count" do
         post = FactoryGirl.create(:post, :tag_string => "aaa")
         assert_equal(1, Post.fast_count)