PortBlog.API/Shared/KBR.Cache/CacheHelpers.cs

using KBR.Shared.Cache.Models;
using Microsoft.Extensions.Caching.Distributed;

namespace KBR.Cache
{
    public static class CacheHelpers
    {
        private static readonly string _userOtpSecrets = nameof(_userOtpSecrets);

        private static string UserOtpSecretKey(string key) => $"{_userOtpSecrets}-{key}";

        public static async Task SetUserSecretsCacheAsync(IAppDistributedCache cache, string userId, string secret, CancellationToken cancellationToken = default)
        {
            await cache.SetAsync(UserOtpSecretKey(userId), secret, new DistributedCacheEntryOptions { AbsoluteExpiration = DateTime.UtcNow.AddMinutes(3) }, cancellationToken);
        }

        public static async Task<string> GetUserOtpSecretAsync(IAppDistributedCache cache, string userId, CancellationToken cancellationToken = default)
        {
            var key = await cache.GetAsync<string>(UserOtpSecretKey(userId), cancellationToken);

            return key;
        }
    }
}