MemoryCacheHelper<T>

InMemoryCacheHelper.cs

using System;
using System.Runtime.Caching;
using System.Threading.Tasks;

namespace Helpers
{
    public static class MemoryCacheHelper
    {
        public const int DefaultMinutesToCache = 60;

        public static T TryGetFromCache<T>(string cacheKey, Func<T> primeCacheFunc)
        {
            T value = Get<T>(cacheKey);
            if (value == null)
            {
                value = primeCacheFunc();
                Set(cacheKey, value, DefaultMinutesToCache);
            }

            return value;
        }

        public static async Task<T> TryGetFromCacheAsync<T>(string cacheKey, Func<Task<T>> primeCacheFunc)
        {
            T value = Get<T>(cacheKey);
            if (value == null)
            {
                value = await primeCacheFunc();
                Set(cacheKey, value, DefaultMinutesToCache);
            }

            return value;
        }
        
        private T Get<T>(string cacheKey)
        {
            return (T)MemoryCache.Default.Get(cacheKey);
        }

       private void Set<T>(string cacheKey, T value, int minutesToCache)
       {
           MemoryCache.Default.Set(cacheKey, value, DateTime.Now.AddMinutes(minutesToCache));
       }
    }
}