private T DeserializeCacheData(AppCacheData cachedData)
{
T returnValue = default;
if (cachedData.SerializeType == SerializeType.Json)
{
returnValue = cachedData.CachedData.JsonDeserialize <T>();
}
else if (cachedData.SerializeType == SerializeType.MessagePack)
{
var rawData = Convert.FromBase64String(cachedData.CachedData);
returnValue = MessagePackSerializer.Deserialize <T>(rawData);
}
Debug.Assert(returnValue != null);
return(returnValue);
}
public async Task <T> GetObject()
{
var sqliteService = ShinyHost.Resolve <ISQLiteService>();
var cachedData = await sqliteService.SelectAsync <AppCacheData>(this.CacheKey);
if (cachedData == null || cachedData?.ExpireTime < DateTime.UtcNow)
{
var loadedData = await Loader.Invoke();
if (loadedData == null)
{
return(null);
}
if (ExpireTime != TimeSpan.Zero)
{
cachedData = new AppCacheData();
cachedData.BindCacheData(loadedData, CacheKey, ExpireTime, SerializeType);
await sqliteService.InsertOrUpdateAsync(cachedData);
}
else
{
if (SerializeType == SerializeType.Json)
{
return((loadedData as string).JsonDeserialize <T>());
}
else if (SerializeType == SerializeType.MessagePack)
{
return(MessagePackSerializer.Deserialize <T>((loadedData as byte[])));
}
}
}
return(DeserializeCacheData(cachedData));
}
