telegram-bot/modules/ContentStore/Model/StoreItem.cs

using Telegram.Bot.Types.ReplyMarkups;

namespace West.TelegramBot.ContentStore.Model;

public class StoreItem
{
    public string Id;
    public readonly string Name;
    public readonly double Price;

    public StoreItem(string id, string name, double price)
    {
        Id = id;
        Name = name;
        Price = price;
    }

    public InlineKeyboardButton ToButton(long userId)
    {
        return new InlineKeyboardButton($"{Name} ({Price})")
        {
            CallbackData = $"store|{userId}|purchase|{Id}"
        };
    }
}