mtcute/packages/client/src/methods/chats/unban-chat-member.ts

import { TelegramClient } from '../../client'
import { InputPeerLike, MtCuteInvalidPeerTypeError } from '../../types'
import {
    isInputPeerChannel,
    isInputPeerChat,
    normalizeToInputChannel,
} from '../../utils/peer-utils'

// @alias=unrestrictChatMember
/**
 * Unban a user from a supergroup or a channel,
 * or remove any restrictions that they have.
 * Unbanning does not add the user back to the chat, this
 * just allows the user to join the chat again, if they want.
 *
 * This method acts as a no-op in case a legacy group is passed.
 *
 * @param chatId  Chat ID
 * @param userId  User ID
 * @internal
 */
export async function unbanChatMember(
    this: TelegramClient,
    chatId: InputPeerLike,
    userId: InputPeerLike
): Promise<void> {
    const chat = await this.resolvePeer(chatId)
    const user = await this.resolvePeer(userId)

    if (isInputPeerChannel(chat)) {
        const res = await this.call({
            _: 'channels.editBanned',
            channel: normalizeToInputChannel(chat),
            participant: user,
            bannedRights: {
                _: 'chatBannedRights',
                untilDate: 0,
            },
        })

        this._handleUpdate(res)
    } else if (isInputPeerChat(chat)) {
        // no-op //
    } else throw new MtCuteInvalidPeerTypeError(chatId, 'chat or channel')
}