telegram-bot/modules/ChatManagement/Handler/Ban.cs

using System.Threading.Tasks;
using BotFramework.Attributes;
using BotFramework.Enums;
using Telegram.Bot;
using Telegram.Bot.Types;

namespace West.TelegramBot.ChatManagement.Handler
{
    public class Ban : ManagementHandler
    {
        [Command("ban", CommandParseMode.Both)]
        public async Task HandleBan()
        {
            if (!await CanPunish()) return;

            await BanMember(GetVictim());
        }

        [Command("unban", CommandParseMode.Both)]
        public async Task HandleUnban()
        {
            if (!await CanPunish()) return;

            await Bot.RestrictChatMemberAsync(Chat.Id, GetVictim().Id,
                new ChatPermissions
                {
                    CanSendMessages = true,
                    CanChangeInfo = true,
                    CanInviteUsers = true,
                    CanPinMessages = true,
                    CanSendPolls = true,
                    CanSendMediaMessages = true,
                    CanSendOtherMessages = true,
                    CanAddWebPagePreviews = true
                });
        }
    }
}