private static void RegisterStaticCache(FieldInfo field)
{
var attribute = (PeekInCacheAttribute)field.GetCustomAttribute(typeof(PeekInCacheAttribute));
var classCache = field.GetValue(null);
CacheRefernceStore.Register(attribute.CacheName, classCache);
}
private static void RegisterAspNetCoreDefaultMemoryCache(FieldInfo field)
{
var attribute = (PeekInCacheAttribute)field.GetCustomAttribute(typeof(PeekInCacheAttribute));
var classCache = new PlaceholderMemoryCache(attribute.CacheName);
CacheRefernceStore.Register(attribute.CacheName, classCache);
}
public static IServiceCollection PeekInAClass(
this IServiceCollection service, Type classType)
{
var classFields = classType.GetRuntimeFields()
.Where(x => x.GetCustomAttribute <PeekInCacheAttribute>() != null).ToArray();
foreach (var field in classFields)
{
var attribute = (PeekInCacheAttribute)field.GetCustomAttribute(typeof(PeekInCacheAttribute));
var classCache = field.GetValue(null);
CacheRefernceStore.Register(attribute.CacheName, classCache);
}
return(service);
}
private static object DetermineSerialzableCache(string cacheName)
{
object cache = CacheRefernceStore.GetCache(cacheName);
var type = cache.GetType();
if (type.IsSerializable)
{
return(cache);
}
if (type.Name.Equals("MemoryCache"))
{
return(ExtractSerialzableCacheFromMemoryCache(cache));
}
if (type.Name.Equals("PlaceholderMemoryCache"))
{
return(ExtractSerialzableCacheFromDefaultMemoryCache(cache));
}
return(null);
}
private static string RequestPeekInCacheContent(HttpRequest request)
{
if (request.Method != "GET")
{
return(null);
}
if (!request.Path.StartsWithSegments(new PathString("/PeekInCache")))
{
return(null);
}
var cacheName = request.Path.Value.Split('/').Last();
if (!CacheRefernceStore.Exists(cacheName))
{
return(null);
}
var cache = DetermineSerialzableCache(cacheName);
return(cache != null?JsonConvert.SerializeObject(cache) : null);
}