private void SetUserContext(int?userId)
{
UserContext cx = null;
if (userId.HasValue)
{
// Raw query required here because using IQueryExecutor will cause a stack overflow
var dbResult = _dbContext
.Users
.AsNoTracking()
.FilterById(userId.Value)
.FilterCanLogIn()
.SingleOrDefault();
if (dbResult == null)
{
// User no longer valid
_userSessionService.Abandon();
ClearCache();
}
else
{
cx = _userContextMapper.Map(dbResult);
}
}
if (cx == null)
{
cx = new UserContext();
}
_userContext = cx;
_isUserContextCached = true;
}
/// <summary>
/// Signs the user out of the application and ends the session.
/// </summary>
public void SignOut()
{
_userSessionService.Abandon();
_userContextService.ClearCache();
}