class Quickbooks::Service::PurchaseOrder

def delete(purchase_order)
  delete_by_query_string(purchase_order)
end

def fetch_by_id(id, params = {})
  url = "#{url_for_base}/purchaseorder/#{id}?minorversion=#{Quickbooks.minorversion}"
  fetch_object(model, url, params)
end

def model
  Quickbooks::Model::PurchaseOrder
end

def pdf(purchase_order)
  url = "#{url_for_resource(model::REST_RESOURCE)}/#{purchase_order.id}/pdf"
  response = do_http_raw_get(url, {}, {'Accept' => 'application/pdf'})
  response.plain_body
end

def url_for_query(query = nil, start_position = 1, max_results = 20, options = {})
  url = super(query, start_position, max_results, options)
  "#{url}&minorversion=#{Quickbooks.minorversion}"
end