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Changed the page number and page size properties to private in the Pagination utility.

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依瑪貓 2023-02-04 11:26:33 +08:00
parent c286aa8b8b
commit 809f2b6df3
1 changed files with 36 additions and 35 deletions
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71
src/accounting/utils/pagination.py
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@ -84,16 +84,16 @@ class Pagination(t.Generic[T]):
"""All the items.""" """All the items."""
self.__is_reversed: bool = is_reversed self.__is_reversed: bool = is_reversed
"""Whether the default page is the last page.""" """Whether the default page is the last page."""
self.page_size: int = self.__get_page_size() self.__page_size: int = self.__get_page_size()
"""The number of items in a page.""" """The number of items in a page."""
self.__total_pages: int = 0 if len(items) == 0 \ self.__total_pages: int = 0 if len(items) == 0 \
else int((len(items) - 1) / self.page_size) + 1 else int((len(items) - 1) / self.__page_size) + 1
"""The total number of pages.""" """The total number of pages."""
self.is_paged: bool = self.__total_pages > 1 self.is_paged: bool = self.__total_pages > 1
"""Whether there should be pagination.""" """Whether there should be pagination."""
self.__default_page_no: int = 0 self.__default_page_no: int = 0
"""The default page number.""" """The default page number."""
self.page_no: int = 0 self.__page_no: int = 0
"""The current page number.""" """The current page number."""
self.list: list[T] = [] self.list: list[T] = []
"""The items shown in the list""" """The items shown in the list"""
@ -128,9 +128,9 @@ class Pagination(t.Generic[T]):
""" """
self.__default_page_no = self.__total_pages if self.__is_reversed \ self.__default_page_no = self.__total_pages if self.__is_reversed \
else 1 else 1
self.page_no = self.__get_page_no() self.__page_no = self.__get_page_no()
lower_bound: int = (self.page_no - 1) * self.page_size lower_bound: int = (self.__page_no - 1) * self.__page_size
upper_bound: int = lower_bound + self.page_size upper_bound: int = lower_bound + self.__page_size
if upper_bound > len(self.__items): if upper_bound > len(self.__items):
upper_bound = len(self.__items) upper_bound = len(self.__items)
self.list = self.__items[lower_bound:upper_bound] self.list = self.__items[lower_bound:upper_bound]
@ -171,55 +171,56 @@ class Pagination(t.Generic[T]):
links: list[Link] = [] links: list[Link] = []
# The previous page. # The previous page.
uri = None if self.page_no == 1 else self.__uri_page(self.page_no - 1) uri = None if self.__page_no == 1 \
else self.__uri_page(self.__page_no - 1)
links.append(Link(gettext("Previous"), uri, is_for_mobile=True)) links.append(Link(gettext("Previous"), uri, is_for_mobile=True))
# The first page. # The first page.
if self.page_no > 1: if self.__page_no > 1:
links.append(Link("1", self.__uri_page(1))) links.append(Link("1", self.__uri_page(1)))
# The eclipse of the previous pages. # The eclipse of the previous pages.
if self.page_no - 3 == 2: if self.__page_no - 3 == 2:
links.append(Link(str(self.page_no - 3), links.append(Link(str(self.__page_no - 3),
self.__uri_page(self.page_no - 3))) self.__uri_page(self.__page_no - 3)))
elif self.page_no - 3 > 2: elif self.__page_no - 3 > 2:
links.append(Link("…")) links.append(Link("…"))
# The previous two pages. # The previous two pages.
if self.page_no - 2 > 1: if self.__page_no - 2 > 1:
links.append(Link(str(self.page_no - 2), links.append(Link(str(self.__page_no - 2),
self.__uri_page(self.page_no - 2))) self.__uri_page(self.__page_no - 2)))
if self.page_no - 1 > 1: if self.__page_no - 1 > 1:
links.append(Link(str(self.page_no - 1), links.append(Link(str(self.__page_no - 1),
self.__uri_page(self.page_no - 1))) self.__uri_page(self.__page_no - 1)))
# The current page. # The current page.
links.append(Link(str(self.page_no), self.__uri_page(self.page_no), links.append(Link(str(self.__page_no), self.__uri_page(self.__page_no),
is_current=True)) is_current=True))
# The next two pages. # The next two pages.
if self.page_no + 1 < self.__total_pages: if self.__page_no + 1 < self.__total_pages:
links.append(Link(str(self.page_no + 1), links.append(Link(str(self.__page_no + 1),
self.__uri_page(self.page_no + 1))) self.__uri_page(self.__page_no + 1)))
if self.page_no + 2 < self.__total_pages: if self.__page_no + 2 < self.__total_pages:
links.append(Link(str(self.page_no + 2), links.append(Link(str(self.__page_no + 2),
self.__uri_page(self.page_no + 2))) self.__uri_page(self.__page_no + 2)))
# The eclipse of the next pages. # The eclipse of the next pages.
if self.page_no + 3 == self.__total_pages - 1: if self.__page_no + 3 == self.__total_pages - 1:
links.append(Link(str(self.page_no + 3), links.append(Link(str(self.__page_no + 3),
self.__uri_page(self.page_no + 3))) self.__uri_page(self.__page_no + 3)))
elif self.page_no + 3 < self.__total_pages - 1: elif self.__page_no + 3 < self.__total_pages - 1:
links.append(Link("…")) links.append(Link("…"))
# The last page. # The last page.
if self.page_no < self.__total_pages: if self.__page_no < self.__total_pages:
links.append(Link(str(self.__total_pages), links.append(Link(str(self.__total_pages),
self.__uri_page(self.__total_pages))) self.__uri_page(self.__total_pages)))
# The next page. # The next page.
uri = None if self.page_no == self.__total_pages \ uri = None if self.__page_no == self.__total_pages \
else self.__uri_page(self.page_no + 1) else self.__uri_page(self.__page_no + 1)
links.append(Link(gettext("Next"), uri, is_for_mobile=True)) links.append(Link(gettext("Next"), uri, is_for_mobile=True))
return links return links
@ -230,7 +231,7 @@ class Pagination(t.Generic[T]):
:param page_no: The page number. :param page_no: The page number.
:return: The URI of the page. :return: The URI of the page.
""" """
if page_no == self.page_no: if page_no == self.__page_no:
return self.__current_uri return self.__current_uri
if page_no == self.__default_page_no: if page_no == self.__default_page_no:
return self.__uri_set("page-no", None) return self.__uri_set("page-no", None)
@ -242,7 +243,7 @@ class Pagination(t.Generic[T]):
:return: The available page sizes. :return: The available page sizes.
""" """
return [Link(str(x), self.__uri_size(x), return [Link(str(x), self.__uri_size(x),
is_current=x == self.page_size) is_current=x == self.__page_size)
for x in self.AVAILABLE_PAGE_SIZES] for x in self.AVAILABLE_PAGE_SIZES]
def __uri_size(self, page_size: int) -> str: def __uri_size(self, page_size: int) -> str:
@ -251,7 +252,7 @@ class Pagination(t.Generic[T]):
:param page_size: The page size. :param page_size: The page size.
:return: The URI of the page size. :return: The URI of the page size.
""" """
if page_size == self.page_size: if page_size == self.__page_size:
return self.__current_uri return self.__current_uri
if page_size == self.DEFAULT_PAGE_SIZE: if page_size == self.DEFAULT_PAGE_SIZE:
return self.__uri_set("page-size", None) return self.__uri_set("page-size", None)