#34

backend/app/controllers/user_settings_controller.rb

@@ -25,7 +25,11 @@ class UserSettingsController < ApplicationController
   private
 
   def current_setting
-    current_user.setting || current_user.create_setting!(Setting.defaults)
+    Setting.find_or_create_by!(user: current_user) do |setting|
+      setting.assign_attributes(Setting.defaults)
+    end
+  rescue ActiveRecord::RecordNotUnique
+    Setting.find_by!(user: current_user)
   end
 
   def validate_raw_attributes raw_attributes

backend/app/models/setting.rb

@@ -15,7 +15,7 @@ class Setting < ApplicationRecord
     'updated_at_asc',
     'updated_at_desc',
   ].freeze
-  VIEWED_POST_DISPLAYS = ['show', 'dim', 'hide'].freeze
+  VIEWED_POST_DISPLAYS = ['show', 'dim'].freeze
   AUTO_FETCH_MODES = ['auto', 'manual', 'off'].freeze
   WIKI_EDITOR_MODES = ['split', 'write', 'preview'].freeze