111 lines
3.8 KiB
Python
111 lines
3.8 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram 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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# Pyrogram 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 Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import pyrogram
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from pyrogram.api import functions
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from ...ext import BaseClient, utils
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class GetHistory(BaseClient):
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def get_history(self,
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chat_id: int or str,
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offset: int = 0,
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limit: int = 100,
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offset_id: int = 0,
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offset_date: int = 0):
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"""Use this method to retrieve the history of a chat.
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You can get up to 100 messages at once.
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Args:
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chat_id (``int`` | ``str``):
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Unique identifier (int) or username (str) of the target chat.
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For your personal cloud (Saved Messages) you can simply use "me" or "self".
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For a contact that exists in your Telegram address book you can use his phone number (str).
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offset (``int``, *optional*)
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Sequential number of the first message to be returned.
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Defaults to 0 (most recent message).
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limit (``int``, *optional*):
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Limits the number of messages to be retrieved.
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By default, the first 100 messages are returned.
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offset_id (``int``, *optional*):
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Pass a message identifier as offset to retrieve only older messages starting from that message.
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offset_date (``int``, *optional*):
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Pass a date in Unix time as offset to retrieve only older messages starting from that date.
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Returns:
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On success, a :obj:`Messages <pyrogram.Messages>` object is returned.
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Raises:
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:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.
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"""
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r = self.send(
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functions.messages.GetHistory(
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peer=self.resolve_peer(chat_id),
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offset_id=offset_id,
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offset_date=offset_date,
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add_offset=offset,
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limit=limit,
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max_id=0,
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min_id=0,
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hash=0
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)
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)
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users = {i.id: i for i in r.users}
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chats = {i.id: i for i in r.chats}
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reply_to_messages = {
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i.reply_to_msg_id: None
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for i in r.messages
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if i.reply_to_msg_id
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}
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if reply_to_messages:
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temp = self.get_messages(
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chat_id, reply_to_messages,
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replies=0
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)
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assert len(temp) == len(reply_to_messages)
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for i in range(len(temp)):
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reply_to_messages[temp[i].message_id] = temp[i]
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messages = utils.parse_messages(
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self, r.messages,
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users, chats,
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replies=0
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)
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assert len(messages) == len(r.messages)
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for i in range(len(messages)):
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if r.messages[i].reply_to_msg_id:
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messages[i].reply_to_message = reply_to_messages[r.messages[i].reply_to_msg_id]
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return pyrogram.Messages(
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total_count=getattr(r, "count", len(r.messages)),
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messages=messages
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)
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