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module ActiveRecord
  class Errors
    def full_messages_with_attr_mapping(mappings)
      mappings.symbolize_keys!
      full_messages = []

      @errors.each_key do |attr|
        @errors[attr].each do |msg|
          next if msg.nil?

          if attr == "base"
            full_messages << msg
          else
            full_messages << (mappings[attr.to_sym] || @base.class.human_attribute_name(attr)) + " " + msg
          end
        end
      end
      full_messages
    end
  end
end