Source code for pyrogram.raw.types.requested_peer_channel

#  Pyrogram - Telegram MTProto API Client Library for Python
#  Copyright (C) 2017-present Dan <https://github.com/delivrance>
#
#  This file is part of Pyrogram.
#
#  Pyrogram is free software: you can redistribute it and/or modify
#  it under the terms of the GNU Lesser General Public License as published
#  by the Free Software Foundation, either version 3 of the License, or
#  (at your option) any later version.
#
#  Pyrogram 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 Lesser General Public License for more details.
#
#  You should have received a copy of the GNU Lesser General Public License
#  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.

from io import BytesIO

from pyrogram.raw.core.primitives import Int, Long, Int128, Int256, Bool, Bytes, String, Double, Vector
from pyrogram.raw.core import TLObject
from pyrogram import raw
from typing import List, Optional, Any

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class RequestedPeerChannel(TLObject):  # type: ignore
    """Info about a `channel/supergroup <https://core.telegram.org/api/channel>`_, shared by a user with the currently logged in bot using `messages.sendBotRequestedPeer <https://core.telegram.org/method/messages.sendBotRequestedPeer>`_.

    Constructor of :obj:`~pyrogram.raw.base.RequestedPeer`.

    Details:
        - Layer: ``229``
        - ID: ``8BA403E4``

    Parameters:
        channel_id (``int`` ``64-bit``):
            Channel/supergroup ID.

        title (``str``, *optional*):
            Channel/supergroup title.

        username (``str``, *optional*):
            Channel/supergroup username.

        photo (:obj:`Photo <pyrogram.raw.base.Photo>`, *optional*):
            Channel/supergroup photo.

    """

    __slots__: List[str] = ["channel_id", "title", "username", "photo"]

    ID = 0x8ba403e4
    QUALNAME = "types.RequestedPeerChannel"

    def __init__(self, *, channel_id: int, title: Optional[str] = None, username: Optional[str] = None, photo: "raw.base.Photo" = None) -> None:
        self.channel_id = channel_id  # long
        self.title = title  # flags.0?string
        self.username = username  # flags.1?string
        self.photo = photo  # flags.2?Photo

    @staticmethod
    def read(b: BytesIO, *args: Any) -> "RequestedPeerChannel":
        
        flags = Int.read(b)
        
        channel_id = Long.read(b)
        
        title = String.read(b) if flags & (1 << 0) else None
        username = String.read(b) if flags & (1 << 1) else None
        photo = TLObject.read(b) if flags & (1 << 2) else None
        
        return RequestedPeerChannel(channel_id=channel_id, title=title, username=username, photo=photo)

    def write(self, *args) -> bytes:
        b = BytesIO()
        b.write(Int(self.ID, False))

        flags = 0
        flags |= (1 << 0) if self.title is not None else 0
        flags |= (1 << 1) if self.username is not None else 0
        flags |= (1 << 2) if self.photo is not None else 0
        b.write(Int(flags))
        
        b.write(Long(self.channel_id))
        
        if self.title is not None:
            b.write(String(self.title))
        
        if self.username is not None:
            b.write(String(self.username))
        
        if self.photo is not None:
            b.write(self.photo.write())
        
        return b.getvalue()