class Quickbooks::Service::ChangeService

def entity
  raise NotImplementedError
end

def model
  raise NotImplementedError
end

def since(timestamp)
  query("changedSince=#{URI.encode_www_form_component(timestamp.iso8601)}")
end

def url_for_query(query = nil, start_position = 1, max_results = 20)
  q = entity
  q = "#{q}&#{query}" if query.present?
  "#{url_for_base}/cdc?entities=#{q}"
end