public async Task <bool> IsSessionValid(System.Data.IDbConnection connection, ViewModels.SessionVM sessionVM)
{
if (sessionVM == null || sessionVM.NextLoginTimeout >= DateTime.UtcNow)
{
return(false);
}
var sessionModel = _sessionCacheProvider.GetCachedSession(sessionVM.SessionToken);
if (sessionModel == null)
{
Providers.UserProvider provider = new Providers.UserProvider();
DBModels.SessionsEntity session = await provider.GetSessionModel(connection, sessionVM.SessionToken);
if (session == null)
{
return(false);
}
sessionModel = Mappers.ObjectMapper.Instance.Mapper.Map <ViewModels.SessionVM>(session);
}
if (sessionModel.Equals(sessionVM) && sessionModel.NextLoginTimeout < DateTime.UtcNow)
{
return(true);
}
return(false);
}
public async Task <bool> ValidateAndRenewSession(DB.StudentDBConnectionUtility connectionUtility, ViewModels.SessionVM sessionVM)
{
using (var connection = connectionUtility.GetConnection())
{
var result = await IsSessionValid(connection, sessionVM);
if (result)
{
Providers.UserProvider provider = new Providers.UserProvider();
DateTime?dt = await provider.RenewSession(connection, sessionVM, Constants.Constants.SESSION_TIMEOUT_IN_SECONDS);
if (dt.HasValue)
{
sessionVM.LastActivityTime = DateTime.UtcNow;
sessionVM.NextLoginTimeout = dt.Value;
_sessionCacheProvider.AddSessionModel(sessionVM);
return(true);
}
}
}
_sessionCacheProvider.RemoveSessionModel(sessionVM.SessionToken);
return(false);
}
