sticker-captcha-bot/pyromod/nav/pagination.py
2022-07-02 19:44:57 +08:00

92 lines
3.3 KiB
Python
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

"""
pyromod - A monkeypatcher add-on for Pyrogram
Copyright (C) 2020 Cezar H. <https://github.com/usernein>
This file is part of pyromod.
pyromod is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
pyromod is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with pyromod. If not, see <https://www.gnu.org/licenses/>.
"""
import math
from ..helpers import array_chunk
class Pagination:
def __init__(self, objects, page_data=None, item_data=None, item_title=None):
default_page_callback = (lambda x: str(x))
default_item_callback = (lambda i, pg: f'[{pg}] {i}')
self.objects = objects
self.page_data = page_data or default_page_callback
self.item_data = item_data or default_item_callback
self.item_title = item_title or default_item_callback
def create(self, page, lines=5, columns=1):
quant_per_page = lines * columns
page = 1 if page <= 0 else page
offset = (page - 1) * quant_per_page
stop = offset + quant_per_page
cutted = self.objects[offset:stop]
total = len(self.objects)
pages_range = [*range(1, math.ceil(total / quant_per_page) + 1)] # each item is a page
last_page = len(pages_range)
nav = []
if page <= 3:
for n in [1, 2, 3]:
if n not in pages_range:
continue
text = f"· {n} ·" if n == page else n
nav.append((text, self.page_data(n)))
if last_page >= 4:
nav.append(
('4 ' if last_page > 5 else 4, self.page_data(4))
)
if last_page > 4:
nav.append(
(f'{last_page} »' if last_page > 5 else last_page, self.page_data(last_page))
)
elif page >= last_page - 2:
nav.extend(
[
('« 1' if last_page > 5 else 1, self.page_data(1)),
(
f' {last_page - 3}' if last_page > 5 else last_page - 3,
self.page_data(last_page - 3),
),
]
)
for n in range(last_page - 2, last_page + 1):
text = f"· {n} ·" if n == page else n
nav.append((text, self.page_data(n)))
else:
nav = [
('« 1', self.page_data(1)),
(f' {page - 1}', self.page_data(page - 1)),
(f'· {page} ·', "noop"),
(f'{page + 1} ', self.page_data(page + 1)),
(f'{last_page} »', self.page_data(last_page)),
]
buttons = [
(self.item_title(item, page), self.item_data(item, page))
for item in cutted
]
kb_lines = array_chunk(buttons, columns)
if last_page > 1:
kb_lines.append(nav)
return kb_lines