Last Updated: September 30, 2021
·
225
· oleh_the_great

to_readable instead of to_yaml

class Object

  # Similar to to_yaml method but makes text much more readable to human.
  # Use this method instead of to_yaml if you need to dump object
  # into communications with humans (like in internal automatic emails to tech team/support team)
  def to_readable
    if self.respond_to?(:attributes)
      ignore = ['encrypted_password'] # dont show these attributes
      h = self.attributes.except(*ignore).to_h
      hash_to_readable(h)
    elsif self.is_a?(ActionController::Parameters)
      hash_to_readable(self.to_unsafe_h)
    elsif self.is_a?(NilClass)
      'nil'
    elsif self.is_a?(TrueClass) || self.is_a?(FalseClass) || self.is_a?(String) || self.is_a?(Fixnum) ||
          self.is_a?(Float) || self.is_a?(BigDecimal) || self.is_a?(Bignum) || self.is_a?(Time) ||
          self.is_a?(DateTime)

      self.to_s

    elsif self.is_a?(Exception)
      self.message
    elsif self.respond_to?(:to_yaml)
      self.to_yaml(line_width: -1)
    else
      self.to_s
    end
  rescue => ex
    self.to_yaml
  end

  #
  # PRIVATE
  #
  private

  def hash_to_readable(h)
    return '' if h.blank?
    max_key_len = h.keys.max_by {|k| k.to_s.length }.to_s.length
    h.reduce("\n") do |sum, (k, v)|
      sum += "\t#{(k.to_s + ':').ljust(max_key_len + 1)} #{v.to_readable}\n"
    end
  end

end