Replaced the messy __get_base_uri_params __uri_set_params methods with the unified __uri_set method in the Pagination utility.

This commit is contained in:
依瑪貓 2023-02-04 10:49:35 +08:00
parent 90a8229db9
commit 8c462e7b2c

View File

@ -98,8 +98,6 @@ class Pagination(t.Generic[T]):
"""The items shown in the list"""
if self.__total_pages > 0:
self.__set_list()
self.__base_uri_params: tuple[list[str], list[tuple[str, str]]] \
= self.__get_base_uri_params()
"""The base URI parameters."""
self.page_links: list[Link] = self.__get_page_links()
"""The pagination links."""
@ -165,43 +163,6 @@ class Pagination(t.Generic[T]):
str(self.__total_pages)))
return page_no
def __uri_set(self, name: str, value: str | None) -> str:
"""Raises current URI with a parameter set.
:param name: The name of the parameter.
:param value: The value, or None to remove the parameter.
:return: The URI with the parameter set.
"""
uri_p: ParseResult = urlparse(self.__current_uri)
params: list[tuple[str, str]] = parse_qsl(uri_p.query)
# Try to keep the position of the parameter.
i: int = 0
is_found: bool = False
while i < len(params):
if params[i][0] == name:
if is_found or value is None:
params = params[:i] + params[i + 1:]
continue
params[i] = (name, value)
i = i + 1
parts: list[str] = list(uri_p)
parts[4] = urlencode(params)
return urlunparse(parts)
def __get_base_uri_params(self) -> tuple[list[str], list[tuple[str, str]]]:
"""Returns the base URI and its parameters, with the "page-no" and
"page-size" parameters removed.
:return: The URI parts and the cleaned-up query parameters.
"""
uri_p: ParseResult = urlparse(self.__current_uri)
params: list[tuple[str, str]] = parse_qsl(uri_p.query)
params = [x for x in params if x[0] not in ["page-no", "page-size"]]
parts: list[str] = list(uri_p)
return parts, params
def __get_page_links(self) -> list[Link]:
"""Returns the page links in the pagination navigation.
@ -272,12 +233,11 @@ class Pagination(t.Generic[T]):
:param page_no: The page number.
:return: The URI of the page.
"""
params: list[tuple[str, str]] = []
if page_no != self.__default_page_no:
params.append(("page-no", str(page_no)))
if self.page_size != self.DEFAULT_PAGE_SIZE:
params.append(("page-size", str(self.page_size)))
return self.__uri_set_params(params)
if page_no == self.page_no:
return self.__current_uri
if page_no == self.__default_page_no:
return self.__uri_set("page-no", None)
return self.__uri_set("page-no", str(page_no))
def __get_page_sizes(self) -> list[Link]:
"""Returns the available page sizes.
@ -296,16 +256,31 @@ class Pagination(t.Generic[T]):
"""
if page_size == self.page_size:
return self.__current_uri
return self.__uri_set_params([("page-size", str(page_size))])
if page_size == self.DEFAULT_PAGE_SIZE:
return self.__uri_set("page-size", None)
return self.__uri_set("page-size", str(page_size))
def __uri_set_params(self, params: list[tuple[str, str]]) -> str:
"""Returns the URI with the query parameters set.
def __uri_set(self, name: str, value: str | None) -> str:
"""Raises current URI with a parameter set.
:param params: The query parameters.
:return: The URI with the query parameters set.
:param name: The name of the parameter.
:param value: The value, or None to remove the parameter.
:return: The URI with the parameter set.
"""
cur_params: list[tuple[str, str]] = self.__base_uri_params[1].copy()
cur_params.extend(params)
parts: list[str] = self.__base_uri_params[0].copy()
parts[4] = urlencode(cur_params)
uri_p: ParseResult = urlparse(self.__current_uri)
params: list[tuple[str, str]] = parse_qsl(uri_p.query)
# Try to keep the position of the parameter.
i: int = 0
is_found: bool = False
while i < len(params):
if params[i][0] == name:
if is_found or value is None:
params = params[:i] + params[i + 1:]
continue
params[i] = (name, value)
i = i + 1
parts: list[str] = list(uri_p)
parts[4] = urlencode(params)
return urlunparse(parts)