public override async Task InsertStageData <T>(int stageMinutes, T doc, string createdDateField)
{
string cacheKey = typeof(T).Name + "_" + stageMinutes;
var list = _cacheManager.GetCachedData(new CacheItemArgs(cacheKey, ProviderLevel.High), (args) =>
{
return(new List <T>());
});
if (stageMinutes > 0 && list.Count > 0)
{
var now = DateTimeOffset.Now;
string cachePugeKey = "StageData_PurgeDate_M" + stageMinutes;
var lastPurgeTime = _cacheManager.GetCache <DateTimeOffset?>(cachePugeKey);
if (lastPurgeTime == null || now.Subtract(lastPurgeTime.Value).TotalMinutes > stageMinutes)
{
var olderThanDate = now.AddMinutes(0 - stageMinutes);
await Task.Run(() =>
{
var toRemoveList = list.AsQueryable().Where($"{createdDateField}<DateTimeOffset.Parse(\"{olderThanDate}\")").ToList();
toRemoveList.ForEach(t => list.Remove(t));
_logger.LogInformation($"InsertStageData:Purge:Minutes:{stageMinutes}, Count:{toRemoveList.Count}");
});
_cacheManager.SetCache(cachePugeKey, now);
}
}
list.Add(doc);
}
private async Task TestStage()
{
var id = _dataCacheManager.IncrementValue("NewsFeed", () =>
{
return(_dataStoreManager.Queryable <NewsFeed>().OrderByDescending(c => c.Id).FirstOrDefault()?.Id ?? 0);
});
var now = DateTime.Now;
var newsfeed = new NewsFeed()
{
Id = id,
Message = "New Message",
CreatedDate = now
};
await _dataStoreManager.InsertStageData <NewsFeed>(newsfeed);
_logger.LogInformation($"insert stage one:id: {newsfeed.Id},msg:{newsfeed.Message},create date:{newsfeed.CreatedDate.LocalDateTime}");
var lastFetchDate = _dataCacheManager.GetCache <DateTime?>("News Fetch Date");
int lastOnStageMinutes = lastFetchDate == null ? -1 : (int)now.Subtract(lastFetchDate.Value).TotalMinutes;
var lastestQuery = _dataStoreManager.StageQueryable <NewsFeed>(lastOnStageMinutes);
if (lastFetchDate != null)
{
lastestQuery = lastestQuery.Where(c => c.CreatedDate >= lastFetchDate);
}
var nNewCount = lastestQuery.Count();
_logger.LogInformation($"lasted count :{nNewCount}");
if (nNewCount > 0)
{
var lastone = lastestQuery.OrderByDescending(c => c.Id).First();
_logger.LogInformation($"last one:id: {lastone.Id},msg:{lastone.Message},create date:{lastone.CreatedDate.LocalDateTime}");
}
_dataCacheManager.SetCache("News Fetch Date", now);
}
public Task Handle(string eventName, dynamic eventData)
{
var publishedEvent = _IExternalSubscriptionsManager.GetPublishedEvent(eventName);
if (publishedEvent.EventThresholdSeconds > 0)
{
var cachekey = eventName + "_LastHandleTime";
var lastHandleTime = _IDataCacheManager.GetCache <DateTime?>(cachekey);
if (lastHandleTime != null && DateTime.Now.Subtract(lastHandleTime.Value).TotalSeconds < publishedEvent.EventThresholdSeconds)
{
return(Task.FromResult(0));
}
_IDataCacheManager.SetCache(cachekey, DateTime.Now);
}
var subscribers = _IExternalSubscriptionsManager.GetPublicSubscribersByEventName(eventName);
var resilientHttpClient = new ResilientHttpClient((c) => CreatePolicies(), _logger);
foreach (var subscriber in subscribers)
{
string strNewAddress = subscriber.Address + (subscriber.Address.IndexOf("?") == -1 ? "?" : "&");
strNewAddress += "eventname=" + eventName;
if (String.IsNullOrEmpty(subscriber.PrivateKey))
{
resilientHttpClient.PostAsync(strNewAddress, eventData);
}
else
{
var message = JsonConvert.SerializeObject(eventData);
var encryptMessage = AESCryptor.EncryptStringAES(message, subscriber.PrivateKey);
resilientHttpClient.PostAsync(strNewAddress, encryptMessage);
}
}
return(Task.FromResult(1));
}
