Module: MarkAsDeletedWithName

Extended by:
ActiveSupport::Concern
Included in:
Group, Supplier
Defined in:
app/models/concerns/mark_as_deleted_with_name.rb

Instance Method Summary collapse

Instance Method Details

#mark_as_deleted ⇒ Object 



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# File 'app/models/concerns/mark_as_deleted_with_name.rb', line 4

def mark_as_deleted
  # get maximum length of name
  max_length = 100_000
  if lenval = self.class.validators_on(:name).detect { |v| v.is_a?(ActiveModel::Validations::LengthValidator) }
    max_length = lenval.options[:maximum]
  end
  # find unique deleted name
  # (would have been nice to use retry, but there is no general duplicate-entry exception)
  n = ''
  begin
    append = " \u2020" + n
    deleted_name = name.truncate(max_length - append.length, omission: '') + append
    if n.blank?
      n = 'A'
    else
      n.succ!
    end
  end while self.class.where(name: deleted_name).exists?
  # mark as deleted
  update_columns deleted_at: Time.now, name: deleted_name
end