/// <summary>
/// Gets or create a user session if one doesn't exist.
/// </summary>
/// <param name="userId">The user global id.</param>
/// <param name="userName">Title of the user.</param>
/// <param name="shardId"></param>
/// <returns></returns>
public UserSession GetOrCreateSession(Guid userId, string userName, string shardId)
{
var userSession = this.GetUserSession(userId);
if (userSession == null)
{
userSession = new UserSession(userId, userName, shardId);
this.cacheClient.Add(userSession.ToCacheKey(), userSession,
userSession.ExpiryDate.GetValueOrDefault(DateTime.UtcNow) + TimeSpan.FromHours(1));
}
return userSession;
}
/// <summary>
/// Gets the user session if it exists or null.
/// </summary>
/// <param name="userId">The user global id.</param>
/// <returns></returns>
public UserSession GetUserSession(Guid userId)
{
var cacheKey = UserSession.ToCacheKey(userId);
return(this.cacheClient.Get <UserSession>(cacheKey));
}
/// <summary>
/// Updates the UserSession in the cache, or removes expired ones.
/// </summary>
/// <param name="userSession">The user session.</param>
public void UpdateUserSession(UserSession userSession)
{
var hasSessionExpired = userSession.HasExpired();
if (hasSessionExpired)
{
LogIfDebug("Session has expired, removing: " + userSession.ToCacheKey());
this.cacheClient.Remove(userSession.ToCacheKey());
}
else
{
LogIfDebug("Updating session: " + userSession.ToCacheKey());
this.cacheClient.Replace(userSession.ToCacheKey(), userSession, userSession.ExpiryDate.Value);
}
}