redis-blog-post-3.cs

public static class DistributedCacheExtensions
{
    public static async Task<T?> GetAsync<T>(this IDistributedCache cache, string key)
    {
        var val = await cache.GetAsync(key);
        if (val == null || val.Length == 0)
        {
            return default;
        }

        T? result = JsonSerializer.Deserialize<T>(val);
        return result;
    }

    public static async Task SetAsync<T>(this IDistributedCache cache, string key, T value) =>
        await SetAsync(cache, key, value, new DistributedCacheEntryOptions());

    public static async Task SetAsync<T>(this IDistributedCache cache, string key, T value, DistributedCacheEntryOptions options)
    {
        var bytes = Encoding.UTF8.GetBytes(JsonSerializer.Serialize(value));
        await cache.SetAsync(key, bytes, options);
    }
}