/// <summary>
/// Cache tokens
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">key for token</param>
/// <param name="days">expiration duration</param>
/// <returns></returns>
public async Task <T> CacheData <T>(CacheDataKey key, T data, int days)
{
try
{
return(await Task.Run <T>(() =>
{
var json = data == null ? String.Empty : JsonConvert.SerializeObject(data);
if (Barrel.Current.IsExpired(key.ToString()))
{
Barrel.Current.EmptyExpired();
}
Barrel.Current.Add(key.ToString(), json, TimeSpan.FromDays(days));
if (string.IsNullOrWhiteSpace(json))
{
return default(T);
}
var settings = new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Ignore,
};
return JsonConvert.DeserializeObject <T>(json, settings);
}));
}
catch (SystemException ex)
{
Debug.WriteLine($"Cache Token Error: {ex}");
throw (ex);
}
}
/// <summary>
/// Retrieves the cached token
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="key">Token's key</param>
/// <returns></returns>
public async Task <T> GetData <T>(CacheDataKey key)
{
try
{
return(await Task.Run <T>(() =>
{
var json = String.Empty;
//check cache if it is not expired and a refresh is not forced
if (!Barrel.Current.IsExpired(key.ToString()))
{
json = Barrel.Current.Get <string>(key.ToString());
}
if (string.IsNullOrWhiteSpace(json))
{
return default(T);
}
var settings = new JsonSerializerSettings()
{
NullValueHandling = NullValueHandling.Ignore,
};
return JsonConvert.DeserializeObject <T>(json, settings);
}));
}
catch (SystemException ex)
{
Debug.WriteLine($"Cache Token Error: {ex}");
throw (ex);
}
}
/// <summary>
/// Clears the cache of a specific key
/// </summary>
/// <param name="key">The key the cache was stored with usually the url the data was pulled from</param>
/// <returns></returns>
public async Task EmptyCache(CacheDataKey key)
{
try
{
await Task.Run(() => Barrel.Current.Empty(key.ToString()));
}
catch (SystemException ex)
{
Debug.WriteLine($"Cache Empty {key} Error: {ex}");
throw (ex);
}
}
