crocodilestick
80 lines
2.2 KiB
Python
80 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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# Calibre-Web Automated – fork of Calibre-Web
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# Copyright (C) 2018-2025 Calibre-Web contributors
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# Copyright (C) 2024-2025 Calibre-Web Automated contributors
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# SPDX-License-Identifier: GPL-3.0-or-later
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# See CONTRIBUTORS for full list of authors.
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from math import ceil
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# simple pagination for the feed
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class Pagination(object):
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def __init__(self, page, per_page, total_count):
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self.page = int(page)
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self.per_page = int(per_page)
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self.total_count = int(total_count)
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@property
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def next_offset(self):
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return int(self.page * self.per_page)
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@property
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def previous_offset(self):
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return int((self.page - 2) * self.per_page)
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@property
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def last_offset(self):
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last = int(self.total_count) - int(self.per_page)
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if last < 0:
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last = 0
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return int(last)
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@property
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def pages(self):
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return int(ceil(self.total_count / float(self.per_page)))
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@property
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def has_prev(self):
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return self.page > 1
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@property
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def has_next(self):
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return self.page < self.pages
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# Only show: first page, last page, current page, page before and after current page (if valid)
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def iter_pages(self):
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pages = self.pages
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current = self.page
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shown = set()
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# Always show first page
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yield 1
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shown.add(1)
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# Show ellipsis if needed before previous page
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if current - 1 > 2:
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yield None
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# Show previous page if it's not first or last
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if current - 1 > 1 and current - 1 < pages:
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yield current - 1
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shown.add(current - 1)
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# Show current page if it's not first or last
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if current != 1 and current != pages:
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yield current
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shown.add(current)
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# Show next page if it's not first or last
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if current + 1 < pages:
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yield current + 1
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shown.add(current + 1)
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# Show ellipsis if needed after next page
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if current + 1 < pages - 1:
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yield None
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# Always show last page if more than one page
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if pages > 1:
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yield pages |