Insta Cache

instagram.cs

public class InstaService
    {
        /// <summary>
        /// Handles Connection to Instagram, configuration values are set in the web.config AppSettings element
        /// </summary>

        private readonly InstagramOAuthData _instagram;
        private readonly InstagramService _service;

        public InstaService()
        {

             _instagram = Settings.GetInstance().OAuthInstgram;

            if (_instagram != null && _instagram.IsValid) {
                _service = _instagram.GetService();
            }
        }

        /// <summary>
        /// Wrapper for Skybrud Social Instagram - Handles Authentication, pulling values from the web.config
        /// </summary>
        /// <returns>Skybrud.Social.TwitterService</returns>
        public InstagramService Service()
        {
            return _service;
        }

        public IEnumerable<InstagramMedia> GetPostsForUser()
        {
            var cache = MemoryCache.Default;
            var alias = _service.Users.GetSelf().Body.Data.Id;

            var cacheKey = String.Format("insta-{0}", alias);

            if (cache.Get(cacheKey) != null)
            {
                return (IEnumerable<InstagramMedia>)cache.Get(cacheKey);
            }

            InstagramRecentMediaResponse response = _service.Users.GetRecentMedia();
            var posts = response.Body.Data;

            var policy = new CacheItemPolicy { AbsoluteExpiration = DateTime.Now.AddMinutes(1) };
            cache.AddOrGetExisting(cacheKey, posts, policy);

            return posts;
        }

    }