telegram-bot/modules/ContentStore/Service/AbstractNsfwService.cs

using Telegram.Bot.Types;
using West.TelegramBot.ContentStore.Model;
using West.TelegramBot.ContentStore.Option;

namespace West.TelegramBot.ContentStore.Service;

public abstract class AbstractNsfwService : IRandomMediaService
{
    private readonly AllowNsfw _allowNsfw;
    public abstract StoreItem StoreItem { get; }
    public abstract Task<RandomMedia> GetRandomMediaAsync();

    protected AbstractNsfwService(AllowNsfw allowNsfw)
    {
        _allowNsfw = allowNsfw;
    }

    public async Task<bool> CanView(Chat chat, User user) 
        => await _allowNsfw.GetValueAsync(chat.Id);
}