def list_shelves(self, request):
"""List enabled or all shelves based on any shelf attribute."""
self.check_xsrf_token(self.request_state)
if request.page_size <= 0:
raise endpoints.BadRequestException(
'The value for page_size must be greater than 0.')
query, sort_options, returned_fields = (
search_utils.set_search_query_options(request.query))
if not query:
query = search_utils.to_query(request, shelf_model.Shelf)
offset = search_utils.calculate_page_offset(
page_size=request.page_size, page_number=request.page_number)
search_results = shelf_model.Shelf.search(
query_string=query, query_limit=request.page_size,
offset=offset, sort_options=sort_options,
returned_fields=returned_fields)
total_pages = search_utils.calculate_total_pages(
page_size=request.page_size, total_results=search_results.number_found)
shelves_messages = []
for document in search_results.results:
message = search_utils.document_to_message(
document, shelf_messages.Shelf())
message.shelf_request = shelf_messages.ShelfRequest()
message.shelf_request.urlsafe_key = document.doc_id
message.shelf_request.location = message.location
shelves_messages.append(message)
return shelf_messages.ListShelfResponse(
shelves=shelves_messages,
total_results=search_results.number_found,
total_pages=total_pages)
def list_devices(self, request):
"""Lists all devices based on any device attribute."""
self.check_xsrf_token(self.request_state)
if request.page_size <= 0:
raise endpoints.BadRequestException(
'The value for page_size must be greater than 0.')
query, sort_options, returned_fields = (
search_utils.set_search_query_options(request.query))
if not query:
shelf_query = ''
if request.shelf:
shelf_urlsafe_key = request.shelf.shelf_request.urlsafe_key
if not shelf_urlsafe_key:
shelf_urlsafe_key = shelf_api.get_shelf(
request.shelf.shelf_request).key.urlsafe()
request.shelf = None
shelf_query = ':'.join(('shelf', shelf_urlsafe_key))
query = search_utils.to_query(request, device_model.Device)
query = ' '.join((query, shelf_query))
offset = search_utils.calculate_page_offset(
page_size=request.page_size, page_number=request.page_number)
search_results = device_model.Device.search(
query_string=query,
query_limit=request.page_size,
offset=offset,
sort_options=sort_options,
returned_fields=returned_fields)
total_pages = search_utils.calculate_total_pages(
page_size=request.page_size,
total_results=search_results.number_found)
guest_permitted = config_model.Config.get('allow_guest_mode')
messages = []
for document in search_results.results:
message = search_utils.document_to_message(
document, device_messages.Device())
message.guest_permitted = guest_permitted
messages.append(message)
return device_messages.ListDevicesResponse(
devices=messages,
total_results=search_results.number_found,
total_pages=total_pages)
def test_calculate_page_offset(self):
"""Tests the calculation of page offset."""
page_size = 10
page_number = 5
offset = search_utils.calculate_page_offset(page_size, page_number)
self.assertEqual(40, offset)