private T GetCached <T>(string scope, string key, bool isVolatile, IAuthHandler authHandler, Func <T> func) where T : class
{
var cache = Settings.CacheFactory?.Get <T>();
T result;
if (authHandler.Authorize(scope))
{
if (cache != null && cache.TryGet(key, out result))
{
#if DEBUG
Console.WriteLine($"Cache hit {key}");
#endif
return(result);
}
else
{
#if DEBUG
Console.WriteLine($"Cache miss {key}");
#endif
result = func();
cache?.Set(key, result, isVolatile ? Settings.VolatileTtl : Settings.StaticTtl);
return(result);
}
}
else
{
throw new AuthenticationException("The request could not be authorized.");
}
}