class Eco::API::Custom::ErrorHandler

Helper class to create a custom `ErrorHandler` @example Example of usage:

class Custom::ErrorHandler::EmailTaken < Eco::API::Custom::ErrorHandler
  error Eco::API::Error::EmailTaken

  def main(people, session, options, handler, job)
    people.each do |person|
      prev_email = person.initial_doc["email"]
      if person.email != prev_email
        person.email = prev_email
      else
        person.account = nil
      end
      job.add(person)
    end
  end
end