def _adjust_paging_totals(paging: PagingResp) -> None:
"""
Adjusts total pages based on total items supplied by route. Removes url to next page
if necessary.
"""
if paging.total_items is not None:
if paging.offset + paging.limit >= paging.total_items:
paging.next = None
paging.total_pages = math.ceil(paging.total_items / paging.limit)
def test_headers_round_trip_optionals(self, paging_resp: PagingResp):
paging_resp.previous = None
paging_resp.next = None
paging_resp.total_items = None
paging_resp.total_pages = None
headers = dict()
paging_resp.to_headers(headers)
from_headers = PagingResp.from_headers(headers)
assert "paging-previous" not in headers
assert "paging-next" not in headers
assert "paging-total-items" not in headers
assert "paging-total-pages" not in headers
assert from_headers == paging_resp