mirror of
https://github.com/Mayuri-Chan/pyrofork.git
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94 lines
No EOL
3.5 KiB
Python
94 lines
No EOL
3.5 KiB
Python
# Pyrofork - Telegram MTProto API Client Library for Python
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# Copyright (C) 2020 Cezar H. <https://github.com/usernein>
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# Copyright (C) 2022-present Mayuri-Chan <https://github.com/Mayuri-Chan>
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#
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# This file is part of Pyrofork.
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#
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# Pyrofork is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrofork is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrofork. If not, see <http://www.gnu.org/licenses/>.
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import math
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from pyrogram.helpers import array_chunk
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class Pagination:
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def __init__(self, objects, page_data=None, item_data=None, item_title=None):
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def default_page_callback(x):
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return str(x)
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def default_item_callback(i, pg):
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return f"[{pg}] {i}"
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self.objects = objects
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self.page_data = page_data or default_page_callback
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self.item_data = item_data or default_item_callback
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self.item_title = item_title or default_item_callback
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def create(self, page, lines=5, columns=1):
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quant_per_page = lines * columns
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page = 1 if page <= 0 else page
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offset = (page - 1) * quant_per_page
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stop = offset + quant_per_page
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cutted = self.objects[offset:stop]
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total = len(self.objects)
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pages_range = [
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*range(1, math.ceil(total / quant_per_page) + 1)
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] # each item is a page
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last_page = len(pages_range)
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nav = []
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if page <= 3:
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for n in [1, 2, 3]:
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if n not in pages_range:
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continue
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text = f"· {n} ·" if n == page else n
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nav.append((text, self.page_data(n)))
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if last_page >= 4:
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nav.append(("4 ›" if last_page > 5 else 4, self.page_data(4)))
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if last_page > 4:
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nav.append(
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(
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f"{last_page} »" if last_page > 5 else last_page,
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self.page_data(last_page),
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)
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)
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elif page >= last_page - 2:
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nav.extend(
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[
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("« 1" if last_page - 4 > 1 else 1, self.page_data(1)),
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(
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f"‹ {last_page - 3}" if last_page - 4 > 1 else last_page - 3,
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self.page_data(last_page - 3),
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),
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]
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)
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for n in range(last_page - 2, last_page + 1):
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text = f"· {n} ·" if n == page else n
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nav.append((text, self.page_data(n)))
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else:
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nav = [
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("« 1", self.page_data(1)),
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(f"‹ {page - 1}", self.page_data(page - 1)),
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(f"· {page} ·", "noop"),
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(f"{page + 1} ›", self.page_data(page + 1)),
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(f"{last_page} »", self.page_data(last_page)),
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]
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buttons = []
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for item in cutted:
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buttons.append((self.item_title(item, page), self.item_data(item, page)))
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kb_lines = array_chunk(buttons, columns)
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if last_page > 1:
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kb_lines.append(nav)
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return kb_lines |