public async Task <bool> SaveDataAsync(string sessionId, IDictionary <string, object> data)
{
try
{
bool isSaved = false;
await Task.Run(() =>
{
lock (_sessionDataCache)
{
_sessionDataCache[sessionId] = new SessionCacheObject(DateTime.Now, data);
var filePath = GetFilePath(sessionId);
var sessionData = JsonConvert.SerializeObject(data);
File.WriteAllText(filePath, sessionData);
isSaved = true;
}
});
return(isSaved);
}
catch (Exception)
{
return(false);
}
}
public async Task <Dictionary <string, object> > GetDataAsync(string sessionId)
{
try
{
Dictionary <string, object> data = null;
await Task.Run(() =>
{
lock (_sessionDataCache)
{
if (_sessionDataCache.ContainsKey(sessionId))
{
_sessionDataCache[sessionId].LastAccessTime = DateTime.Now;
data = (Dictionary <string, object>)_sessionDataCache[sessionId].SessionData;
}
else if (File.Exists(GetFilePath(sessionId)))
{
var fileData = File.ReadAllText(GetFilePath(sessionId));
data = new Dictionary <string, object>();
if (!string.IsNullOrEmpty(fileData))
{
data = JsonConvert.DeserializeObject <Dictionary <string, object> >(fileData);
}
_sessionDataCache[sessionId] = new SessionCacheObject(DateTime.Now, data);
}
}
});
return(data);
}
catch (Exception)
{
return(null);
}
}