gistfile1.rb

def self.convert_key_to_human_readable_name(obj, options)
    messages = []
    class_name = obj.class.name.underscore
    errors = obj.errors.messages
    separator = options[:separator].present? ? options[:separator] : ','
    errors.each do |key, value|
      base_key = (options[key].present? && options.keys.include?(key)) ? options[key].to_s : key.to_s
      values = value.each { |val| val.downcase }
      values.flatten.join(" #{separator}") unless values.empty?
      if key == :base
        message = " #{values.join()}"
      else
        message = I18n.t("activerecord.errors.#{class_name}.#{(base_key)}") + " #{values.join()}"
      end
      messages.push message
    end
    messages
  end

def self.human_readable_error(obj = nil, options = {})
    class_name = obj.class.name.underscore.humanize.pluralize unless obj.nil?
    messages = []
    if obj
      messages = convert_key_to_human_readable_name(obj, options)
    end

    exception = options[:exception].message if options[:exception]
    if exception
      msg = exception.split('base').last.strip if exception.match('base')
      msg = exception
      msg.split(',').each do |m|
        table_names.each do |table|
           next if !m.include?(table)
           m.gsub!('Validation failed:', '')
           m.gsub!("#{table}", '')
           m.gsub!("#{table.singularize.downcase}", '')
           messages << m.strip.humanize
        end
      end
    end