class Quickbooks::Service::BaseService

def fetch_collection(query, model, options = {})
  page = options.fetch(:page, 1)
  per_page = options.fetch(:per_page, 20)
  start_position = ((page - 1) * per_page) + 1 # page=2, per_page=10 then we want to start at 11
  max_results = per_page
  response = do_http_get(url_for_query(query, start_position, max_results))
  parse_collection(response, model)
end